Ronald Vertrees

Born : 1937 Cat. M85 Ultrarunner since 1996

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 ?

South Africa

United States

73,2%

Rank quotient ?This runner's calculation uses 121 eligible race(s): Σ(rank − 1) = 25 221; Σ finishers = 34 441. 25 221 / 34 441 × 100 = 73.23%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed121

Km — ultra races9 350 km

> 100 km13

> 160 km11

> 200 km8

> 24h12

> 48h8

Longest race285,5 km

21st Across the Years, 72h — 29/12/2003

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road43,0%

Trail57,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 32

🏅 Top 3 M4

Longest winning streak0

Current streak0

Records

50 km4h46'42 100 km12h47'44 50 mi8h26'33 100 mi25h08'25 6 h50,73 km 12 h98,83 km 24 h126,01 km 48 h239,20 km

HISTORY

121 race(s) · 6 split(s) nested

Date		Race	Perf.	Rk
2009
07.02	50km	31st Jed Smith Ultra Classic - 50 km Race	7:58:27 h	70
2008
29.12	72h	26th Across the Years, 72h	238.500 km	27
01.11	50km	13th Helen Klein Ultra Classic 50km	8:37:11 h	38
25.10	24h	3rd San Francisco One Day, 24h	111.688 km	38
10.05	12h	2nd Lake Merritt Half Day 12 Hour Run	50.372 km	21
02.02	50km	30th Jed Smith Ultra Classic - 50 km Race	8:37:05 h	64
2007
29.12	72h	25th Across the Years, 72h	235.500 km	27
03.11	50km	12th Helen Klein Ultra Classic 50km	8:15:33 h	66
20.10	24h	2nd San Francisco One Day, 24h	126.011 km	25
02.06	50km	7th Mount Diablo 50K	10:43:00 h	38
12.05	12h	1st Lake Merritt Half Day 12 Hour Run	71.291 km	12
2006
29.12	72h	24th Across the Years, 72h	243.500 km	19
16.12	50km	Muir Beach Trail Run	8:24:54 h	36
25.11	28mi	22nd Quad Dipsea Trail Run	7:56:58 h	217
11.11	50km	4th Stinson Beach 50 km	8:53:00 h	26
04.11	50km	11th Helen Klein Ultra Classic 50km	6:56:59 h	58
28.10	24h	1st San Francisco One Day, 24h	98.169 km	21
24.09	6h	14th DSE Distance Classic 6 Hour	50.732 km	7
26.08	31.5mi	9th Tamalpa Headlands 50K	7:36:54 h	144
20.08	50km	5th Big Basin Redwoods Trail Run	8:11:40 h	27
06.08	50km	25th Skyline 50k Endurance Run	7:01:43 h	106
08.07	50km	3rd Pacifica 50 km Trail Run - Summer Edition	8:24:00 h	11
01.07	50km	4th Angel Island 50k	7:12:20 h	31
22.04	50km	20th Ruth Anderson Ultra 50km	6:31:26 h	22
01.04	50mi	27th American River 50 Mile Endurance Run	11:54:07 h	375
04.02	50km	28th Jed Smith Ultra Classic - 50 km Race	6:26:02 h	59
2005
29.12	72h	23rd Across the Years, 72h	250.500 km	16
29.12	24h	23rd Across the Years, 72h - 24h Split	114.000 km	16
29.12	48h	23rd Across the Years, 72h - 48h Split	177.500 km	16
17.12	50km	Muir Beach Trail Run	8:51:00 h	22
05.11	50km	10th Helen Klein Ultra Classic 50km	6:25:16 h	32
19.03	50km	3rd Rucky Chucky Roundabout 50K	8:25:44 h	100
26.02	50km	1st Sequoia Trail Run	8:24:48 h	37
05.02	50km	27th Jed Smith Ultra Classic - 50 km Race	7:54:01 h	65
2004
29.12	72h	22nd Across the Years, 72h	261.000 km	12
18.12	50km	Muir Beach Trail Run	7:46:59 h	19
27.11	28mi	20th Quad Dipsea Trail Run	7:43:00 h	177
05.09	50km	10th Run On The Sly 50 km	6:57:04 h	41
21.08	31.5mi	7th Tamalpa Headlands 50K	7:24:09 h	97
22.05	50km	2nd Carmel Valley 50K	8:49:58 h	23
03.04	50mi	25th American River 50 Mile Endurance Run	10:48:27 h	287
20.03	50km	2nd Rucky Chucky Roundabout 50K	8:14:52 h	110
07.02	50km	26th Jed Smith Ultra Classic - 50 km Race	7:12:29 h	78
2003
29.12	72h	21st Across the Years, 72h	285.500 km	4
29.11	28mi	19th Quad Dipsea Trail Run	7:18:48 h	176
15.11	50km	1st Stinson Beach 50 km	8:21:38 h	18
25.10	50km	4th Whiskeytown 50km Trail Run	8:26:44 h	52
14.09	6h	11th DSE Distance Classic 6 Hour	46.926 km	3 🥉
06.09	50km	3rd Mount Diablo 50K	8:50:41 h	16
23.08	31.5mi	6th Tamalpa Headlands 50K	8:25:00 h	166
03.08	50km	22nd Skyline 50k Endurance Run	7:46:32 h	158
19.07	12h	6th Jim Skophammer 12 Hour Track Run	90.400 km	11
19.07	50km	6th Jim Skophammer 12 Hour Track Run - 50km Split	6:04:17 h	12
19.07	50mi	6th Jim Skophammer 12 Hour Track Run - 50mi Split	10:32:00 h	11
05.07	50km	1st Angel Island 50k	7:12:35 h	15
21.06	50km	1st Skyline Ridge Trail Run	7:43:46 h	19
05.04	50mi	24th American River 50 Mile Endurance Run	10:57:24 h	348
22.03	50km	1st Rucky Chucky Roundabout 50K	7:37:36 h	74
08.02	50km	25th Jed Smith Ultra Classic - 50 km Race	5:53:14 h	78
2002
12.10	50mi	20th Dick Collins Firetrails 50 Mile	13:35:27 h	124
22.09	50km	3rd Whiskeytown 50km Trail Run	8:59:10 h	33
14.09	12h	10th DSE Distance Classic 12 Hour	50.732 km	12
01.09	50km	8th Run On The Sly 50 km	7:22:47 h	58
24.08	31.5mi	5th Tamalpa Headlands 50K	8:37:39 h	200
04.08	50km	21st Skyline 50k Endurance Run	6:53:04 h	170
20.07	12h	5th Jim Skophammer 12 Hour Track Run	98.832 km	10
20.07	50km	5th Jim Skophammer 12 Hour Track Run - 50km Split	5:57:22 h	17
20.07	50mi	5th Jim Skophammer 12 Hour Track Run - 50mi Split	9:44:55 h	15
08.06	50km	2nd Mount Diablo 50K	8:32:42 h	13
20.04	50km	16th Ruth Anderson Ultra 50km	8:19:09 h	9
06.04	50mi	23rd American River 50 Mile Endurance Run	12:13:17 h	401
09.03	50km	13th Way Too Cool 50K Endurance Run	7:07:43 h	459
09.02	50km	24th Jed Smith Ultra Classic - 50 km Race	5:36:58 h	48
2001
07.04	50mi	22nd American River 50 Mile Endurance Run	11:54:52 h	352
10.02	50km	23rd Jed Smith Ultra Classic - 50 km Race	5:54:16 h	61
2000
29.12	72h	18th Across the Years, 72h	284.000 km	3 🥉
25.11	28mi	16th Quad Dipsea Trail Run	6:53:07 h	151
11.11	50mi	5th Helen Klein Ultra Classic 50mi	9:42:29 h	32
14.10	50mi	18th Dick Collins Firetrails 50 Mile	11:42:00 h	83
05.08	50km	19th Skyline 50k Endurance Run	6:58:55 h	156
22.07	12h	3rd Jim Skophammer 12 Hour Track Run	93.502 km	9
16.06	87km road race	75th Comrades Marathon - Up Run	11:23:46 h	14587
06.05	100km	5th Miwok 100k Trail race	14:43:03 h	130
01.04	50mi	21st American River 50 Mile Endurance Run	11:06:39 h	288
11.03	50km	11th Way Too Cool 50K Endurance Run	7:01:41 h	386
26.02	100km	4th Catalina 100K Trail Run	15:09:42 h	68
12.02	50mi	22nd Jed Smith Ultra Classic - 50 Mile Race	9:53:01 h	12
1999
30.12	48h	17th Across the Years, 48h	239.200 km	4
27.11	28mi	15th Quad Dipsea Trail Run	6:36:20 h	126
06.11	50mi	Napa Valley 50 Mile	9:24:06 h	18
05.09	50mi	5th Run On The Sly 50 Mile	10:33:01 h	23
07.08	50km	18th Skyline 50k Endurance Run	6:39:56 h	178
15.05	50km	14th Silver State 50 km	10:13:19 h	69
08.05	50km	16th Quicksilver 50 km Endurance Run	6:55:55 h	79
01.05	100km	4th Miwok 100k Trail race	15:19:07 h	116
10.04	50mi	20th American River 50 Mile Endurance Run	9:51:16 h	289
13.03	50km	10th Way Too Cool 50K Endurance Run	6:19:43 h	313
13.02	50km	21st Jed Smith Ultra Classic - 50 km Race	4:46:42 h	54
09.01	48km	Epiphany Ultras - The Popular But Wussy Metric	6:02:00 h	26
1998
28.11	28mi	14th Quad Dipsea Trail Run	6:46:50 h	133
14.11	50mi	3rd Helen Klein Ultra Classic 50mi	8:47:42 h	48
03.10	100mi	8th Arkansas Traveller 100	26:13:27 h	31
18.07	100mi	10th Vermont 100 Mile Endurance Race	25:08:25 h	99
16.05	50km	13th Silver State 50 km	8:58:42 h	40
09.05	50km	15th Quicksilver 50 km Endurance Run	5:43:32 h	57
19.04	100km	13th Ruth Anderson Ultra 100km	12:47:44 h	24
04.04	50mi	19th American River 50 Mile Endurance Run	9:25:39 h	225
14.03	50km	9th Way Too Cool 50K Endurance Run	7:33:03 h	364
07.02	50km	20th Jed Smith Ultra Classic - 50 km Race	5:50:47 h	75
12.01	47km	Epiphany Ultras - The Popular But Wussy Metric	7:30:00 h	24
1997
29.11	28mi	13th Quad Dipsea Trail Run	6:27:14 h	110
15.11	50mi	2nd Helen Klein Ultra Classic 50mi	9:11:26 h	62
25.10	52.4mi	11th Sierra Nevada Endurance 52 Mile Run	10:25:50 h	52
20.10	50mi	15th Dick Collins Firetrails 50 Mile	10:34:58 h	55
13.09	50mi	3rd Cameron Park 50 Mile	10:57:32 h	29
06.09	50km	3rd Point Reyes 50K	6:32:13 h	102
19.07	24h	2nd Jim Skophammer/BAUR 24 Hour	66.787 km	26
28.06	100mi	24th Western States 100 Mile Endurance Run	29:54:59 h	255
03.05	100km	2nd Miwok 100k Trail race	12:52:45 h	40
06.01	46mi	Epiphany Ultras - The Real Deal	10:39:00 h	15
1996
30.11	28mi	12th Quad Dipsea Trail Run	6:59:22 h	153
16.11	50mi	1st Helen Klein Ultra Classic 50mi	8:26:33 h	20
22.09	50km	Down and Up Ruck-a-Chuck	7:14:44 h	26
01.09	50mi	2nd Run On The Sly 50 Mile	9:43:41 h	25
03.08	50km	15th Skyline 50k Endurance Run	5:41:03 h	85
06.04	50mi	17th American River 50 Mile Endurance Run	9:02:22 h	152
03.02	50mi	18th Jed Smith Ultra Classic - 50 Mile Race	10:17:42 h	26

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	29/12/2003	21st Across the Years, 72h	285,50	×4
✓ 2	29/12/2000	18th Across the Years, 72h	284,00	×4
✓ 3	29/12/2004	22nd Across the Years, 72h	261,00	×3
✓ 4	29/12/2005	23rd Across the Years, 72h	250,50	×3
✓ 5	29/12/2006	24th Across the Years, 72h	243,50	×3
✓ 6	30/12/1999	17th Across the Years, 48h	239,20	×3
✓ 7	29/12/2008	26th Across the Years, 72h	238,50	×3
✓ 8	29/12/2007	25th Across the Years, 72h	235,50	×3
✓ 9	3/10/1998	8th Arkansas Traveller 100	160,93	×2
✓ 10	18/7/1998	10th Vermont 100 Mile Endurance Race	160,93	×2
✓ 11	28/6/1997	24th Western States 100 Mile Endurance Run	160,93	×2
✓ 12	20/10/2007	2nd San Francisco One Day, 24h	126,01	×1
✓ 13	25/10/2008	3rd San Francisco One Day, 24h	111,69	×1
✓ 14	6/5/2000	5th Miwok 100k Trail race	100,00	×1
✓ 15	26/2/2000	4th Catalina 100K Trail Run	100,00	×1
✓ 16	1/5/1999	4th Miwok 100k Trail race	100,00	×1
✓ 17	19/4/1998	13th Ruth Anderson Ultra 100km	100,00	×1
✓ 18	3/5/1997	2nd Miwok 100k Trail race	100,00	×1
✓ 19	20/7/2002	5th Jim Skophammer 12 Hour Track Run	98,83	×1
✓ 20	28/10/2006	1st San Francisco One Day, 24h	98,17	×1
✓ 21	22/7/2000	3rd Jim Skophammer 12 Hour Track Run	93,50	×1
✓ 22	19/7/2003	6th Jim Skophammer 12 Hour Track Run	90,40	×1
✓ 23	16/6/2000	75th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 24	25/10/1997	11th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 25	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 26	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 27	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 28	12/10/2002	20th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 29	6/4/2002	23rd American River 50 Mile Endurance Run	80,47	×1
✓ 30	7/4/2001	22nd American River 50 Mile Endurance Run	80,47	×1
✓ 31	11/11/2000	5th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 32	14/10/2000	18th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 33	1/4/2000	21st American River 50 Mile Endurance Run	80,47	×1
✓ 34	12/2/2000	22nd Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 35	6/11/1999	Napa Valley 50 Mile	80,47	×1
✓ 36	5/9/1999	5th Run On The Sly 50 Mile	80,47	×1
✓ 37	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 38	14/11/1998	3rd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 39	4/4/1998	19th American River 50 Mile Endurance Run	80,47	×1
✓ 40	15/11/1997	2nd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 41	20/10/1997	15th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 42	13/9/1997	3rd Cameron Park 50 Mile	80,47	×1
✓ 43	16/11/1996	1st Helen Klein Ultra Classic 50mi	80,47	×1
✓ 44	1/9/1996	2nd Run On The Sly 50 Mile	80,47	×1
✓ 45	6/4/1996	17th American River 50 Mile Endurance Run	80,47	×1
✓ 46	3/2/1996	18th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 47	6/1/1997	Epiphany Ultras - The Real Deal	74,03	×1
✓ 48	12/5/2007	1st Lake Merritt Half Day 12 Hour Run	71,29	×1
✓ 49	19/7/1997	2nd Jim Skophammer/BAUR 24 Hour	66,79	—
✓ 50	24/9/2006	14th DSE Distance Classic 6 Hour	50,73	—
51	14/9/2002	10th DSE Distance Classic 12 Hour	50,73	—
52	26/8/2006	9th Tamalpa Headlands 50K	50,69	—
53	21/8/2004	7th Tamalpa Headlands 50K	50,69	—
54	23/8/2003	6th Tamalpa Headlands 50K	50,69	—
55	24/8/2002	5th Tamalpa Headlands 50K	50,69	—
56	10/5/2008	2nd Lake Merritt Half Day 12 Hour Run	50,37	—
57	7/2/2009	31st Jed Smith Ultra Classic - 50 km Race	50,00	—
58	1/11/2008	13th Helen Klein Ultra Classic 50km	50,00	—
59	2/2/2008	30th Jed Smith Ultra Classic - 50 km Race	50,00	—
60	3/11/2007	12th Helen Klein Ultra Classic 50km	50,00	—
61	2/6/2007	7th Mount Diablo 50K	50,00	—
62	16/12/2006	Muir Beach Trail Run	50,00	—
63	11/11/2006	4th Stinson Beach 50 km	50,00	—
64	4/11/2006	11th Helen Klein Ultra Classic 50km	50,00	—
65	20/8/2006	5th Big Basin Redwoods Trail Run	50,00	—
66	6/8/2006	25th Skyline 50k Endurance Run	50,00	—
67	8/7/2006	3rd Pacifica 50 km Trail Run - Summer Edition	50,00	—
68	1/7/2006	4th Angel Island 50k	50,00	—
69	22/4/2006	20th Ruth Anderson Ultra 50km	50,00	—
70	4/2/2006	28th Jed Smith Ultra Classic - 50 km Race	50,00	—
71	17/12/2005	Muir Beach Trail Run	50,00	—
72	5/11/2005	10th Helen Klein Ultra Classic 50km	50,00	—
73	19/3/2005	3rd Rucky Chucky Roundabout 50K	50,00	—
74	26/2/2005	1st Sequoia Trail Run	50,00	—
75	5/2/2005	27th Jed Smith Ultra Classic - 50 km Race	50,00	—
76	18/12/2004	Muir Beach Trail Run	50,00	—
77	5/9/2004	10th Run On The Sly 50 km	50,00	—
78	22/5/2004	2nd Carmel Valley 50K	50,00	—
79	20/3/2004	2nd Rucky Chucky Roundabout 50K	50,00	—
80	7/2/2004	26th Jed Smith Ultra Classic - 50 km Race	50,00	—
81	15/11/2003	1st Stinson Beach 50 km	50,00	—
82	25/10/2003	4th Whiskeytown 50km Trail Run	50,00	—
83	6/9/2003	3rd Mount Diablo 50K	50,00	—
84	3/8/2003	22nd Skyline 50k Endurance Run	50,00	—
85	5/7/2003	1st Angel Island 50k	50,00	—
86	21/6/2003	1st Skyline Ridge Trail Run	50,00	—
87	22/3/2003	1st Rucky Chucky Roundabout 50K	50,00	—
88	8/2/2003	25th Jed Smith Ultra Classic - 50 km Race	50,00	—
89	22/9/2002	3rd Whiskeytown 50km Trail Run	50,00	—
90	1/9/2002	8th Run On The Sly 50 km	50,00	—
91	4/8/2002	21st Skyline 50k Endurance Run	50,00	—
92	8/6/2002	2nd Mount Diablo 50K	50,00	—
93	20/4/2002	16th Ruth Anderson Ultra 50km	50,00	—
94	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	—
95	9/2/2002	24th Jed Smith Ultra Classic - 50 km Race	50,00	—
96	10/2/2001	23rd Jed Smith Ultra Classic - 50 km Race	50,00	—
97	5/8/2000	19th Skyline 50k Endurance Run	50,00	—
98	11/3/2000	11th Way Too Cool 50K Endurance Run	50,00	—
99	7/8/1999	18th Skyline 50k Endurance Run	50,00	—
100	15/5/1999	14th Silver State 50 km	50,00	—
101	8/5/1999	16th Quicksilver 50 km Endurance Run	50,00	—
102	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	—
103	13/2/1999	21st Jed Smith Ultra Classic - 50 km Race	50,00	—
104	16/5/1998	13th Silver State 50 km	50,00	—
105	9/5/1998	15th Quicksilver 50 km Endurance Run	50,00	—
106	14/3/1998	9th Way Too Cool 50K Endurance Run	50,00	—
107	7/2/1998	20th Jed Smith Ultra Classic - 50 km Race	50,00	—
108	6/9/1997	3rd Point Reyes 50K	50,00	—
109	22/9/1996	Down and Up Ruck-a-Chuck	50,00	—
110	3/8/1996	15th Skyline 50k Endurance Run	50,00	—
111	9/1/1999	Epiphany Ultras - The Popular But Wussy Metric	48,00	—
112	12/1/1998	Epiphany Ultras - The Popular But Wussy Metric	47,00	—
113	14/9/2003	11th DSE Distance Classic 6 Hour	46,93	—
114	25/11/2006	22nd Quad Dipsea Trail Run	45,06	—
115	27/11/2004	20th Quad Dipsea Trail Run	45,06	—
116	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
117	25/11/2000	16th Quad Dipsea Trail Run	45,06	—
118	27/11/1999	15th Quad Dipsea Trail Run	45,06	—
119	28/11/1998	14th Quad Dipsea Trail Run	45,06	—
120	29/11/1997	13th Quad Dipsea Trail Run	45,06	—
121	30/11/1996	12th Quad Dipsea Trail Run	45,06	—