John Mark

Born : 1952 Cat. M70 Ultrarunner since 1982

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details

Countries visited ?

United States

38,3%

Rank quotient ?This runner's calculation uses 200 eligible race(s): Σ(rank − 1) = 9 856; Σ finishers = 25 703. 9 856 / 25 703 × 100 = 38.35%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed200

Km — ultra races13 691 km

> 100 km15

> 160 km14

> 24h1

Longest race160,9 km

2nd Headlands Hundred 100 Mile Endurance Run — 9/8/2008

Km per year (ultra races)

100

2022

151

2023

2024

2025

2026

Race types (share of distance)

Road2,4%

Trail97,6%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 31

🏅 Top 3 M2

Longest winning streak1

Current streak0

Records

50 km4h48'58 100 km10h53'24 50 mi7h45'04 100 mi21h15'49 12 h57,94 km 24 h108,15 km

HISTORY

200 race(s)

Date		Race	Perf.	Rk
2024
23.08	50km	12th Run-de-Vous 50 km Endurance Run	6:40:33 h	8
2023
30.09	50km	3rd Spartan Trail - San Jose Trail Challenge	8:33:31 h	28
19.08	31.5mi	22nd Tamalpa Headlands 50K	8:50:07 h	228
01.07	50km	5th Golden State 50K	8:20:34 h	61
2022
26.03	50km	1st South Hills Single Track Trail Run - Spring	7:11:08 h	17
05.02	50km	10th Fort Ord 50K Trail Run	7:21:32 h	44
2021
18.12	50km	10th Woodside Ramble 50K - Winter	7:11:55 h	90
06.11	50km	18th Woodside Trail Run 50K	8:17:20 h	12
23.10	50km	38th Quicksilver 50 km Endurance Run	7:43:12 h	109
18.09	50km	9th Berkeley Trail Adventure	7:54:11 h	56
21.08	50km	4th Golden State 50K	7:03:27 h	52
24.07	50km	9th Fort Ord 50K Trail Run	7:22:13 h	59
2020
07.03	50km	5th Run for Amma 50 km	7:16:05 h	15
01.02	50km	8th Fort Ord 50K Trail Run	6:58:20 h	55
2019
14.12	50km	15th Rodeo Beach 50km	7:01:46 h	63
26.10	50km	3rd Vista Verde Skyline Run	6:39:16 h	26
24.08	50km	2nd Golden State 50K	6:42:34 h	29
20.07	50km	16th Pacifica 50 km Trail Run	8:37:52 h	28
22.06	50km	10th San Lorenzo River Trail Run	7:16:54 h	24
11.05	50km	36th Quicksilver 50 km Endurance Run	7:10:39 h	45
20.04	50km	Saratoga Trail Run 50km	7:37:22 h	17
23.03	50km	3rd San Jose Trail Run	6:57:46 h	38
23.02	52km	2nd Mount Umunhum Trail Run	7:44:10 h	35
02.02	50km	7th Fort Ord 50K Trail Run	6:26:14 h	47
2018
15.12	50km	7th Woodside Ramble 50K - Winter	6:28:42 h	68
18.08	50km	1st Golden State 50K	6:29:50 h	12
28.07	50km	15th Pacifica 50 km Trail Run	6:41:02 h	23
24.06	50km	9th San Lorenzo River Trail Run	6:49:01 h	15
12.05	50km	35th Quicksilver 50 km Endurance Run	7:29:07 h	82
07.04	50mi	39th American River 50 Mile Endurance Run	10:40:26 h	100
03.03	50km	3rd Run for Amma 50 km	6:31:18 h	7
24.02	52km	1st Mount Umunhum Trail Run	6:57:35 h	41
2017
09.12	50km	13th Rodeo Beach 50km	6:09:19 h	26
18.11	50km	15th Woodside Trail Run 50K	6:06:03 h	18
07.10	50km	9th Skyline to the Sea 50km	6:15:54 h	54
23.09	50km	1st Mount Madonna Trail Run	7:25:00 h	10
26.08	31.5mi	18th Tamalpa Headlands 50K	7:15:29 h	70
25.06	50km	8th San Lorenzo River Trail Run	6:53:05 h	11
03.06	50km	15th Mount Diablo 50k	10:06:16 h	24
13.05	50km	34th Quicksilver 50 km Endurance Run	6:37:01 h	43
01.04	50mi	38th American River 50 Mile Endurance Run	11:02:19 h	193
11.03	50mi	6th Marin Ultra Challenge 50 Mile Race	11:42:40 h	63
04.02	50km	5th Fort Ord 50K Trail Run	6:14:17 h	55
2016
17.12	50km	5th Woodside Ramble 50K - Winter	6:31:34 h	66
30.04	50km	Sierra Azul Trail Challenge	6:51:30 h	1 🏆
12.03	50km	5th Marin Ultra Challenge 50 km Race	6:06:49 h	92
20.02	50km	2nd Run for Amma 50 km	6:10:00 h	9
06.02	50km	4th Fort Ord 50K Trail Run	5:52:23 h	25
2015
07.11	50km	4th Lake Chabot 50 km Trail Run	5:29:17 h	13
10.10	50mi	33rd Dick Collins Firetrails 50 Mile	10:41:22 h	78
09.05	50km	32nd Quicksilver 50 km Endurance Run	6:36:55 h	60
14.03	50km	4th Marin Ultra Challenge 50 km Race	6:40:19 h	76
21.02	50km	5th Montara Mountain 50 km Trail Run	6:25:17 h	16
31.01	50km	3rd Fort Ord 50K Trail Run	6:04:57 h	25
2014
11.10	50mi	32nd Dick Collins Firetrails 50 Mile	10:26:57 h	93
13.09	50mi	8th Headlands Hundred 50 Mile Endurance Run	10:53:39 h	18
23.08	31.5mi	15th Tamalpa Headlands 50K	6:37:30 h	93
21.06	50km	5th San Lorenzo River Trail Run	6:56:59 h	22
10.05	50km	31st Quicksilver 50 km Endurance Run	5:43:35 h	32
12.04	50mi	6th Lake Sonoma 50 Mile Race	11:16:40 h	209
18.01	50km	3rd Pacifica Foothills Trail Run	6:43:00 h	15
2013
29.12	50km	12th Woodside Trail Run 50K	5:35:55 h	41
14.12	50km	9th Rodeo Beach 50km	5:57:42 h	33
14.09	50mi	7th Headlands Hundred 50 Mile Endurance Run	10:43:31 h	62
24.08	31.5mi	14th Tamalpa Headlands 50K	6:35:14 h	104
14.07	50km	10th Pacifica 50 km Trail Run	6:18:00 h	10
22.06	50mi	2nd Marin Ultra Challenge 50 Mile Race	11:31:12 h	41
11.05	50mi	30th Quicksilver 50 Mile Endurance Run	11:14:39 h	59
2012
15.12	50km	1st Woodside Ramble 50K - Winter	6:22:24 h	44
27.10	100km	10th Javelina Jundred 100 km Endurance Run	15:06:01 h	62
15.09	50mi	6th Headlands Hundred 50 Mile Endurance Run	11:14:06 h	30
25.08	31.5mi	13th Tamalpa Headlands 50K	6:22:39 h	79
04.08	50km	1st Santa Cruz Trail Run	6:28:14 h	12
07.07	50km	1st Woodside Ramble 50K - Summer	6:36:26 h	11
23.06	50km	3rd San Lorenzo River Trail Run	6:27:50 h	19
14.04	50mi	4th Lake Sonoma 50 Mile Race	11:34:42 h	164
24.03	50km	1st Woodside Ramble 50K - Spring	6:30:03 h	30
03.03	50km	2nd Montara Mountain 50 km Trail Run	6:30:16 h	21
2011
03.12	50km	10th Woodside Trail Run 50K	5:44:50 h	28
08.10	50mi	29th Dick Collins Firetrails 50 Mile	10:14:47 h	100
16.07	50mi	5th Headlands Hundred 50 Mile Endurance Run	10:28:15 h	31
07.05	100km	16th Miwok 100k Trail race	13:09:35 h	152
2010
09.10	50mi	28th Dick Collins Firetrails 50 Mile	10:43:08 h	136
26.09	50km	8th Santa Cruz Mountains 50 km	8:54:00 h	39
04.09	50km	9th Woodside Trail Run 50K	5:49:54 h	19
03.07	50km	7th Pacifica 50 km Trail Run - Summer Edition	6:38:12 h	14
05.06	50km	10th Mount Diablo 50K	8:13:25 h	39
08.05	50km	27th Quicksilver 50 km Endurance Run	5:42:18 h	29
01.05	100km	15th Miwok 100k Trail race	13:47:18 h	184
2009
19.12	50km	5th Rodeo Beach 50km	8:48:00 h	107
05.12	50km	8th Woodside Trail Run 50K	5:45:59 h	48
14.11	50km	Muir Beach Trail Run	6:32:43 h	24
27.09	50km	7th Santa Cruz Mountains 50 km	8:50:57 h	47
18.07	50km	5th Sequoia Trail Run	6:12:42 h	18
06.06	50km	9th Mount Diablo 50K	6:50:00 h	31
31.05	50km	22nd Ohlone 50K Wilderness Run	7:20:54 h	84
09.05	50km	26th Quicksilver 50 km Endurance Run	5:42:45 h	21
02.05	100km	14th Miwok 100k Trail race	12:53:57 h	115
28.03	50mi	2nd Lake Sonoma 50 Mile Race	11:43:25 h	75
21.03	50km	8th Pirates Cove Trail Run	5:46:03 h	36
28.02	50km	5th Sequoia Trail Run	6:36:26 h	68
17.01	50km	6th Pacifica 50 km Trail Run - Winter Edition	6:20:05 h	26
2008
25.10	24h	3rd San Francisco One Day, 24h	108.147 km	41
27.09	50km	6th Santa Cruz Mountains 50 km	8:55:44 h	23
09.08	100mi	2nd Headlands Hundred 100 Mile Endurance Run	26:55:43 h	16
08.06	50km	8th Mount Diablo 50K	8:34:00 h	51
18.05	50km	21st Ohlone 50K Wilderness Run	7:53:17 h	65
10.05	50mi	25th Quicksilver 50 Mile Endurance Run	10:38:07 h	52
12.04	50mi	1st Lake Sonoma 50 Mile Race	12:32:28 h	49
01.03	50mi	18th Old Pueblo 50 Mile Endurance Run	11:40:14 h	53
2007
24.11	28mi	23rd Quad Dipsea Trail Run	6:01:46 h	86
29.09	50km	13th Flatrock 50K	8:22:20 h	24
04.08	12h	1st Cool 12 Hour Night Run	57.936 km	25
30.06	50km	4th Pacifica 50 km Trail Run - Summer Edition	6:22:27 h	13
02.06	50km	7th Mount Diablo 50K	7:50:00 h	23
05.05	100km	12th Miwok 100k Trail race	13:27:29 h	119
24.03	50km	6th Pirates Cove Trail Run	5:56:58 h	41
20.01	50km	4th Pacifica 50 km Trail Run - Winter Edition	6:34:51 h	17
2006
25.11	28mi	22nd Quad Dipsea Trail Run	6:34:54 h	130
26.08	31.5mi	9th Tamalpa Headlands 50K	6:23:06 h	100
15.07	100mi	5th Tahoe Rim Trail 100M Endurance Runs	29:33:45 h	26
10.06	50km	6th Mount Diablo 50K	12:45:00 h	40
29.04	50km	4th Skyline Ridge Trail Run	6:04:59 h	11
25.03	50km	5th Pirates Cove Trail Run	6:35:00 h	23
04.02	50km	5th Woodside Trail Run 50K	6:08:00 h	37
2005
03.12	50km	4th Woodside Trail Run 50K	6:10:25 h	24
24.09	100mi	6th Rio Del Lago 100 Mile	23:33:41 h	13
27.08	31.5mi	8th Tamalpa Headlands 50K	6:14:34 h	87
07.08	50km	24th Skyline 50k Endurance Run	6:09:40 h	66
16.07	50km	3rd Santa Cruz Mountains 50 km	6:30:26 h	11
2004
30.10	100mi	2nd Javelina Jundred 100 Mile	22:16:19 h	11
01.05	100km	9th Miwok 100k Trail race	12:48:12 h	87
03.04	50mi	25th American River 50 Mile Endurance Run	9:13:34 h	106
06.03	50mi	14th Old Pueblo 50 Mile Endurance Run	10:52:36 h	23
2003
08.11	100mi	1st Javelina Jundred 100 Mile	23:18:42 h	13
01.03	50mi	13th Old Pueblo 50 Mile Endurance Run	9:53:17 h	16
2002
12.10	100mi	3rd Heartland 100 Mile Race	21:15:49 h	12
20.07	50mi	2nd Tahoe Rim Trail 50M Endurance Runs	11:19:42 h	24
02.03	50mi	12th Old Pueblo 50 Mile Endurance Run	10:09:40 h	18
2001
05.05	100km	6th Miwok 100k Trail race	11:33:37 h	37
03.03	50mi	11th Old Pueblo 50 Mile Endurance Run	9:40:55 h	5
2000
26.08	31.5mi	3rd Tamalpa Headlands 50K	5:12:10 h	15
24.06	100mi	27th Western States 100 Mile Endurance Run	28:03:34 h	134
1999
23.10	52.4mi	13th Sierra Nevada Endurance 52 Mile Run	9:20:52 h	15
08.05	50mi	16th Quicksilver 50 Mile Endurance Run	8:55:45 h	9
01.05	100km	4th Miwok 100k Trail race	10:53:24 h	21
10.04	50mi	20th American River 50 Mile Endurance Run	7:53:59 h	57
13.03	50km	10th Way Too Cool 50K Endurance Run	4:52:27 h	68
1998
28.11	28mi	14th Quad Dipsea Trail Run	5:14:22 h	28
24.10	52.4mi	12th Sierra Nevada Endurance 52 Mile Run	8:51:57 h	11
10.10	50mi	16th Dick Collins Firetrails 50 Mile	8:24:59 h	12
01.08	50km	17th Skyline 50k Endurance Run	4:49:08 h	23
27.06	100mi	25th Western States 100 Mile Endurance Run	25:30:45 h	72
09.05	50mi	15th Quicksilver 50 Mile Endurance Run	8:39:39 h	11
02.05	100km	3rd Miwok 100k Trail race	11:11:17 h	18
04.04	50mi	19th American River 50 Mile Endurance Run	7:48:10 h	59
1997
29.11	28mi	13th Quad Dipsea Trail Run	5:29:10 h	43
25.10	52.4mi	11th Sierra Nevada Endurance 52 Mile Run	9:11:32 h	22
05.09	100mi	18th Wasatch Front 100 Mile	29:07:00 h	49
05.04	50mi	18th American River 50 Mile Endurance Run	8:09:14 h	82
15.03	50km	8th Way Too Cool 50K Endurance Run	4:53:27 h	72
1996
30.11	28mi	12th Quad Dipsea Trail Run	5:36:14 h	55
26.10	52.4mi	10th Sierra Nevada Endurance 52 Mile Run	9:12:34 h	13
12.10	50mi	14th Dick Collins Firetrails 50 Mile	9:13:31 h	31
24.08	100mi	14th Leadville Trail 100 Mile	26:54:34 h	56
24.05	50km	9th Ohlone 50K Wilderness Run	5:33:22 h	22
11.05	50km	13th Quicksilver 50 km Endurance Run	4:59:57 h	16
06.04	50mi	17th American River 50 Mile Endurance Run	8:20:57 h	82
09.03	50km	7th Way Too Cool 50K Endurance Run	5:09:55 h	89
1995
28.10	52.4mi	9th Sierra Nevada Endurance 52 Mile Run	10:20:42 h	20
24.06	100mi	22nd Western States 100 Mile Endurance Run	31:05:08 h	175
01.04	50mi	16th American River 50 Mile Endurance Run	8:11:07 h	88
11.03	50km	6th Way Too Cool 50K Endurance Run	5:04:30 h	63
1994
23.06	100mi	21st Western States 100 Mile Endurance Run	24:55:41 h	92
07.05	50mi	11th Quicksilver 50 Mile Endurance Run	9:51:39 h	28
02.04	50mi	15th American River 50 Mile Endurance Run	8:27:52 h	122
12.03	50km	5th Way Too Cool 50K Endurance Run	5:03:49 h	86
1993
14.11	50mi	Gibson Ranch Last Chance 50 Mile	8:06:00 h	17
23.10	52.4mi	7th Sierra Nevada Endurance 52 Mile Run	10:38:22 h	35
08.05	50mi	10th Quicksilver 50 Mile Endurance Run	9:48:12 h	35
03.04	50mi	14th American River 50 Mile Endurance Run	8:24:16 h	108
13.03	50km	4th Way Too Cool 50K Endurance Run	5:25:40 h	106
1992
28.11	28mi	8th Quad Dipsea Trail Run	5:14:15 h	25
24.10	52.4mi	6th Sierra Nevada Endurance 52 Mile Run	9:29:08 h	19
26.09	100mi	7th Angeles Crest 100 Mile	27:44:40 h	26
17.05	50km	6th Ohlone 50K Wilderness Run	5:56:28 h	23
09.05	50km	9th Quicksilver 50 km Endurance Run	4:53:14 h	10
04.04	50mi	13th American River 50 Mile Endurance Run	7:45:04 h	66
14.03	50km	3rd Way Too Cool 50K Endurance Run	4:48:58 h	49
1991
27.07	100mi	3rd Vermont 100 Mile Endurance Race	21:39:00 h	47
06.04	50mi	12th American River 50 Mile Endurance Run	7:50:32 h	60
09.03	50km	2nd Way Too Cool 50K Endurance Run	4:58:33 h	42
16.02	50mi	13th Pacific Crest Trail Fifty	9:30:16 h	34
1990
04.08	50km	9th Skyline 50k Endurance Run	4:50:07 h	14
12.05	50km	7th Quicksilver 50 km Endurance Run	4:57:35 h	8
07.04	50mi	11th American River 50 Mile Endurance Run	8:14:40 h	104
1989
09.04	50mi	10th American River 50 Mile Endurance Run	9:31:45 h	107
1988
10.04	50mi	9th American River 50 Mile Endurance Run	9:16:07 h	94
06.02	50mi	10th Jed Smith Ultra Classic - 50 Mile Race	8:43:19 h	49
1982
01.08	50km	1st Skyline 50k Endurance Run	5:29:10 h	164

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	9/8/2008	2nd Headlands Hundred 100 Mile Endurance Run	160,93	×2
✓ 2	15/7/2006	5th Tahoe Rim Trail 100M Endurance Runs	160,93	×2
✓ 3	24/9/2005	6th Rio Del Lago 100 Mile	160,93	×2
✓ 4	30/10/2004	2nd Javelina Jundred 100 Mile	160,93	×2
✓ 5	8/11/2003	1st Javelina Jundred 100 Mile	160,93	×2
✓ 6	12/10/2002	3rd Heartland 100 Mile Race	160,93	×2
✓ 7	24/6/2000	27th Western States 100 Mile Endurance Run	160,93	×2
✓ 8	27/6/1998	25th Western States 100 Mile Endurance Run	160,93	×2
✓ 9	5/9/1997	18th Wasatch Front 100 Mile	160,93	×2
✓ 10	24/8/1996	14th Leadville Trail 100 Mile	160,93	×2
✓ 11	24/6/1995	22nd Western States 100 Mile Endurance Run	160,93	×2
✓ 12	23/6/1994	21st Western States 100 Mile Endurance Run	160,93	×2
✓ 13	26/9/1992	7th Angeles Crest 100 Mile	160,93	×2
✓ 14	27/7/1991	3rd Vermont 100 Mile Endurance Race	160,93	×2
✓ 15	25/10/2008	3rd San Francisco One Day, 24h	108,15	×1
✓ 16	27/10/2012	10th Javelina Jundred 100 km Endurance Run	100,00	×1
✓ 17	7/5/2011	16th Miwok 100k Trail race	100,00	×1
✓ 18	1/5/2010	15th Miwok 100k Trail race	100,00	×1
✓ 19	2/5/2009	14th Miwok 100k Trail race	100,00	×1
✓ 20	5/5/2007	12th Miwok 100k Trail race	100,00	×1
✓ 21	1/5/2004	9th Miwok 100k Trail race	100,00	×1
✓ 22	5/5/2001	6th Miwok 100k Trail race	100,00	×1
✓ 23	1/5/1999	4th Miwok 100k Trail race	100,00	×1
✓ 24	2/5/1998	3rd Miwok 100k Trail race	100,00	×1
✓ 25	23/10/1999	13th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 26	24/10/1998	12th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 27	25/10/1997	11th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 28	26/10/1996	10th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 29	28/10/1995	9th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 30	23/10/1993	7th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 31	24/10/1992	6th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 32	7/4/2018	39th American River 50 Mile Endurance Run	80,47	×1
✓ 33	1/4/2017	38th American River 50 Mile Endurance Run	80,47	×1
✓ 34	11/3/2017	6th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 35	10/10/2015	33rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 36	11/10/2014	32nd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 37	13/9/2014	8th Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 38	12/4/2014	6th Lake Sonoma 50 Mile Race	80,47	×1
✓ 39	14/9/2013	7th Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 40	22/6/2013	2nd Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 41	11/5/2013	30th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 42	15/9/2012	6th Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 43	14/4/2012	4th Lake Sonoma 50 Mile Race	80,47	×1
✓ 44	8/10/2011	29th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 45	16/7/2011	5th Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 46	9/10/2010	28th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 47	28/3/2009	2nd Lake Sonoma 50 Mile Race	80,47	×1
✓ 48	10/5/2008	25th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 49	12/4/2008	1st Lake Sonoma 50 Mile Race	80,47	×1
✓ 50	1/3/2008	18th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 51	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 52	6/3/2004	14th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 53	1/3/2003	13th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 54	20/7/2002	2nd Tahoe Rim Trail 50M Endurance Runs	80,47	×1
✓ 55	2/3/2002	12th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 56	3/3/2001	11th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 57	8/5/1999	16th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 58	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 59	10/10/1998	16th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 60	9/5/1998	15th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 61	4/4/1998	19th American River 50 Mile Endurance Run	80,47	×1
✓ 62	5/4/1997	18th American River 50 Mile Endurance Run	80,47	×1
✓ 63	12/10/1996	14th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 64	6/4/1996	17th American River 50 Mile Endurance Run	80,47	×1
✓ 65	1/4/1995	16th American River 50 Mile Endurance Run	80,47	×1
✓ 66	7/5/1994	11th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 67	2/4/1994	15th American River 50 Mile Endurance Run	80,47	×1
✓ 68	14/11/1993	Gibson Ranch Last Chance 50 Mile	80,47	×1
✓ 69	8/5/1993	10th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 70	3/4/1993	14th American River 50 Mile Endurance Run	80,47	×1
✓ 71	4/4/1992	13th American River 50 Mile Endurance Run	80,47	×1
✓ 72	6/4/1991	12th American River 50 Mile Endurance Run	80,47	×1
✓ 73	16/2/1991	13th Pacific Crest Trail Fifty	80,47	×1
✓ 74	7/4/1990	11th American River 50 Mile Endurance Run	80,47	×1
✓ 75	9/4/1989	10th American River 50 Mile Endurance Run	80,47	×1
✓ 76	10/4/1988	9th American River 50 Mile Endurance Run	80,47	×1
✓ 77	6/2/1988	10th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
78	4/8/2007	1st Cool 12 Hour Night Run	57,94	—
79	23/2/2019	2nd Mount Umunhum Trail Run	52,00	—
80	24/2/2018	1st Mount Umunhum Trail Run	52,00	—
81	19/8/2023	22nd Tamalpa Headlands 50K	50,69	—
82	26/8/2017	18th Tamalpa Headlands 50K	50,69	—
83	23/8/2014	15th Tamalpa Headlands 50K	50,69	—
84	24/8/2013	14th Tamalpa Headlands 50K	50,69	—
85	25/8/2012	13th Tamalpa Headlands 50K	50,69	—
86	26/8/2006	9th Tamalpa Headlands 50K	50,69	—
87	27/8/2005	8th Tamalpa Headlands 50K	50,69	—
88	26/8/2000	3rd Tamalpa Headlands 50K	50,69	—
89	23/8/2024	12th Run-de-Vous 50 km Endurance Run	50,00	—
90	30/9/2023	3rd Spartan Trail - San Jose Trail Challenge	50,00	—
91	1/7/2023	5th Golden State 50K	50,00	—
92	26/3/2022	1st South Hills Single Track Trail Run - Spring	50,00	—
93	5/2/2022	10th Fort Ord 50K Trail Run	50,00	—
94	18/12/2021	10th Woodside Ramble 50K - Winter	50,00	—
95	6/11/2021	18th Woodside Trail Run 50K	50,00	—
96	23/10/2021	38th Quicksilver 50 km Endurance Run	50,00	—
97	18/9/2021	9th Berkeley Trail Adventure	50,00	—
98	21/8/2021	4th Golden State 50K	50,00	—
99	24/7/2021	9th Fort Ord 50K Trail Run	50,00	—
100	7/3/2020	5th Run for Amma 50 km	50,00	—
101	1/2/2020	8th Fort Ord 50K Trail Run	50,00	—
102	14/12/2019	15th Rodeo Beach 50km	50,00	—
103	26/10/2019	3rd Vista Verde Skyline Run	50,00	—
104	24/8/2019	2nd Golden State 50K	50,00	—
105	20/7/2019	16th Pacifica 50 km Trail Run	50,00	—
106	22/6/2019	10th San Lorenzo River Trail Run	50,00	—
107	11/5/2019	36th Quicksilver 50 km Endurance Run	50,00	—
108	20/4/2019	Saratoga Trail Run 50km	50,00	—
109	23/3/2019	3rd San Jose Trail Run	50,00	—
110	2/2/2019	7th Fort Ord 50K Trail Run	50,00	—
111	15/12/2018	7th Woodside Ramble 50K - Winter	50,00	—
112	18/8/2018	1st Golden State 50K	50,00	—
113	28/7/2018	15th Pacifica 50 km Trail Run	50,00	—
114	24/6/2018	9th San Lorenzo River Trail Run	50,00	—
115	12/5/2018	35th Quicksilver 50 km Endurance Run	50,00	—
116	3/3/2018	3rd Run for Amma 50 km	50,00	—
117	9/12/2017	13th Rodeo Beach 50km	50,00	—
118	18/11/2017	15th Woodside Trail Run 50K	50,00	—
119	7/10/2017	9th Skyline to the Sea 50km	50,00	—
120	23/9/2017	1st Mount Madonna Trail Run	50,00	—
121	25/6/2017	8th San Lorenzo River Trail Run	50,00	—
122	3/6/2017	15th Mount Diablo 50k	50,00	—
123	13/5/2017	34th Quicksilver 50 km Endurance Run	50,00	—
124	4/2/2017	5th Fort Ord 50K Trail Run	50,00	—
125	17/12/2016	5th Woodside Ramble 50K - Winter	50,00	—
126	30/4/2016	Sierra Azul Trail Challenge	50,00	—
127	12/3/2016	5th Marin Ultra Challenge 50 km Race	50,00	—
128	20/2/2016	2nd Run for Amma 50 km	50,00	—
129	6/2/2016	4th Fort Ord 50K Trail Run	50,00	—
130	7/11/2015	4th Lake Chabot 50 km Trail Run	50,00	—
131	9/5/2015	32nd Quicksilver 50 km Endurance Run	50,00	—
132	14/3/2015	4th Marin Ultra Challenge 50 km Race	50,00	—
133	21/2/2015	5th Montara Mountain 50 km Trail Run	50,00	—
134	31/1/2015	3rd Fort Ord 50K Trail Run	50,00	—
135	21/6/2014	5th San Lorenzo River Trail Run	50,00	—
136	10/5/2014	31st Quicksilver 50 km Endurance Run	50,00	—
137	18/1/2014	3rd Pacifica Foothills Trail Run	50,00	—
138	29/12/2013	12th Woodside Trail Run 50K	50,00	—
139	14/12/2013	9th Rodeo Beach 50km	50,00	—
140	14/7/2013	10th Pacifica 50 km Trail Run	50,00	—
141	15/12/2012	1st Woodside Ramble 50K - Winter	50,00	—
142	4/8/2012	1st Santa Cruz Trail Run	50,00	—
143	7/7/2012	1st Woodside Ramble 50K - Summer	50,00	—
144	23/6/2012	3rd San Lorenzo River Trail Run	50,00	—
145	24/3/2012	1st Woodside Ramble 50K - Spring	50,00	—
146	3/3/2012	2nd Montara Mountain 50 km Trail Run	50,00	—
147	3/12/2011	10th Woodside Trail Run 50K	50,00	—
148	26/9/2010	8th Santa Cruz Mountains 50 km	50,00	—
149	4/9/2010	9th Woodside Trail Run 50K	50,00	—
150	3/7/2010	7th Pacifica 50 km Trail Run - Summer Edition	50,00	—
151	5/6/2010	10th Mount Diablo 50K	50,00	—
152	8/5/2010	27th Quicksilver 50 km Endurance Run	50,00	—
153	19/12/2009	5th Rodeo Beach 50km	50,00	—
154	5/12/2009	8th Woodside Trail Run 50K	50,00	—
155	14/11/2009	Muir Beach Trail Run	50,00	—
156	27/9/2009	7th Santa Cruz Mountains 50 km	50,00	—
157	18/7/2009	5th Sequoia Trail Run	50,00	—
158	6/6/2009	9th Mount Diablo 50K	50,00	—
159	31/5/2009	22nd Ohlone 50K Wilderness Run	50,00	—
160	9/5/2009	26th Quicksilver 50 km Endurance Run	50,00	—
161	21/3/2009	8th Pirates Cove Trail Run	50,00	—
162	28/2/2009	5th Sequoia Trail Run	50,00	—
163	17/1/2009	6th Pacifica 50 km Trail Run - Winter Edition	50,00	—
164	27/9/2008	6th Santa Cruz Mountains 50 km	50,00	—
165	8/6/2008	8th Mount Diablo 50K	50,00	—
166	18/5/2008	21st Ohlone 50K Wilderness Run	50,00	—
167	29/9/2007	13th Flatrock 50K	50,00	—
168	30/6/2007	4th Pacifica 50 km Trail Run - Summer Edition	50,00	—
169	2/6/2007	7th Mount Diablo 50K	50,00	—
170	24/3/2007	6th Pirates Cove Trail Run	50,00	—
171	20/1/2007	4th Pacifica 50 km Trail Run - Winter Edition	50,00	—
172	10/6/2006	6th Mount Diablo 50K	50,00	—
173	29/4/2006	4th Skyline Ridge Trail Run	50,00	—
174	25/3/2006	5th Pirates Cove Trail Run	50,00	—
175	4/2/2006	5th Woodside Trail Run 50K	50,00	—
176	3/12/2005	4th Woodside Trail Run 50K	50,00	—
177	7/8/2005	24th Skyline 50k Endurance Run	50,00	—
178	16/7/2005	3rd Santa Cruz Mountains 50 km	50,00	—
179	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	—
180	1/8/1998	17th Skyline 50k Endurance Run	50,00	—
181	15/3/1997	8th Way Too Cool 50K Endurance Run	50,00	—
182	24/5/1996	9th Ohlone 50K Wilderness Run	50,00	—
183	11/5/1996	13th Quicksilver 50 km Endurance Run	50,00	—
184	9/3/1996	7th Way Too Cool 50K Endurance Run	50,00	—
185	11/3/1995	6th Way Too Cool 50K Endurance Run	50,00	—
186	12/3/1994	5th Way Too Cool 50K Endurance Run	50,00	—
187	13/3/1993	4th Way Too Cool 50K Endurance Run	50,00	—
188	17/5/1992	6th Ohlone 50K Wilderness Run	50,00	—
189	9/5/1992	9th Quicksilver 50 km Endurance Run	50,00	—
190	14/3/1992	3rd Way Too Cool 50K Endurance Run	50,00	—
191	9/3/1991	2nd Way Too Cool 50K Endurance Run	50,00	—
192	4/8/1990	9th Skyline 50k Endurance Run	50,00	—
193	12/5/1990	7th Quicksilver 50 km Endurance Run	50,00	—
194	1/8/1982	1st Skyline 50k Endurance Run	50,00	—
195	24/11/2007	23rd Quad Dipsea Trail Run	45,06	—
196	25/11/2006	22nd Quad Dipsea Trail Run	45,06	—
197	28/11/1998	14th Quad Dipsea Trail Run	45,06	—
198	29/11/1997	13th Quad Dipsea Trail Run	45,06	—
199	30/11/1996	12th Quad Dipsea Trail Run	45,06	—
200	28/11/1992	8th Quad Dipsea Trail Run	45,06	—