Mark Lisak

Born : 1956 Cat. M70 Ultrarunner since 1978

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

32,1%

Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 2 951; Σ finishers = 9 185. 2 951 / 9 185 × 100 = 32.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79

Km — ultra races6 179 km

> 100 km11

> 160 km11

> 24h1

Longest race174,8 km

1st Across the Years, 24h — 31/12/1983

Km per year (ultra races)

115

2022

2023

2024

2025

2026

Race types (share of distance)

Road7,1%

Trail92,9%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 37

🏅 Top 3 M7

Longest winning streak0

Current streak0

Records

50 km3h23'11 100 km14h41'37 50 mi6h10'12 100 mi17h53'10 24 h174,80 km

HISTORY

79 race(s) · 3 split(s) nested

Date		Race	Perf.	Rk
2022
08.10	55km	9th Canyon De Chelly Ultra	8:14:46 h	32
29.07	60km	8th Never Summer 60k	11:05:11 h	141
2021
22.05	50km	16th Jemez Mountain 50km Trail Run	8:14:17 h	49
2020
26.09	50km	4th Crimson Canyon 50 km Ultramarathon	7:58:00 h	20
29.02	50km	7th Monument Valley 50 km Race	7:23:17 h	43
2019
12.10	55km	6th Indian Creek Fifties - 55 km	8:28:00 h	37
25.05	50km	14th Jemez Mountain 50km Trail Run	8:13:25 h	83
02.03	50km	6th Monument Valley 50 km Race	7:12:29 h	41
2017
05.08	55km	2nd Running Rainbow Bridge Trail Ultra	10:04:36 h	12
03.06	50km	9th Golden Gate Dirty 30	8:08:58 h	214
2016
01.10	50km	5th Mount Taylor 50 km Race	7:36:08 h	70
06.08	50km	1st Running Rainbow Bridge Trail Ultra	8:21:09 h	14
04.06	50km	8th Golden Gate Dirty 30	8:01:52 h	193
19.03	50km	3rd Monument Valley 50 km Race	6:36:57 h	44
2015
10.10	55km	3rd Canyon De Chelly Ultra	6:35:16 h	43
12.09	50km	9th Paatuwaqatsi Run	5:22:55 h	23
30.05	50km	7th Golden Gate Dirty 30	7:45:25 h	208
16.05	50km	8th Sage Burner Trail Run	6:13:34 h	21
18.04	50km	12th Desert Rats Trail Running Festival 50 km	6:17:20 h	13
2014
11.10	55km	2nd Canyon De Chelly Ultra	6:26:00 h	40
06.09	50km	3rd Volcanic 50	9:33:15 h	97
28.06	50km	5th North Fork 50 km Trail Race	6:08:52 h	22
31.05	50km	6th Golden Gate Dirty 30	7:29:55 h	97
22.03	50mi	9th Antelope Island Buffalo Run 50 Mile	8:54:48 h	32
2013
20.07	100mi	12th Tahoe Rim Trail 100M Endurance Run	26:11:18 h	21
29.06	50km	4th North Fork 50 km Trail Race	5:45:00 h	13
11.05	50mi	2nd Quad Rock 50 Mile	11:48:08 h	67
16.02	55km	7th Moab Red Hot 55k	6:10:08 h	115
2012
21.07	100mi	11th Tahoe Rim Trail 100M Endurance Run	25:18:53 h	15
30.06	28mi	5th Logan Peak 28 Mile Trail Race	5:37:02 h	26
28.05	50km	5th Sage Burner Trail Run	6:11:53 h	23
27.04	100mi	2nd Salt Flats 100 Mile	21:35:33 h	8
24.03	50mi	7th Antelope Island Buffalo Run 50 Mile	9:05:53 h	22
2011
21.05	50mi	6th Jemez Mountain 50mi Trail Run	12:28:30 h	45
2010
10.09	100mi	31st Wasatch Front 100 Mile	27:29:51 h	32
07.08	100km	9th Katcina Mosa 100K Mountain Run	14:41:37 h	15
18.06	100mi	19th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	26:19:12 h	17
05.06	50mi	14th Snow Peaks 50 Mile Trail Run	11:35:46 h	46
22.05	50mi	5th Jemez Mountain 50mi Trail Run	12:44:19 h	40
27.03	50mi	5th Antelope Island Buffalo Run 50 Mile	9:10:14 h	35
13.02	55km	4th Moab Red Hot 55k	6:24:12 h	77
2009
01.08	100km	8th Katcina Mosa 100K Mountain Run	15:12:31 h	9
19.06	50mi	18th Bighorn Mountain Wild & Scenic 50mi Trail Run	11:21:27 h	29
19.05	50km	4th Jemez Mountain 50km Trail Run	7:08:44 h	20
2008
17.05	50mi	3rd Jemez Mountain 50mi Trail Run	13:16:56 h	49
16.02	55km	2nd Moab Red Hot 55k	6:00:25 h	58
20.01	50km	4th Calico Trail Run 50 km	5:44:03 h	40
2007
17.11	50mi	45th JFK 50 Mile	8:58:55 h	217
22.09	50mi	3rd Moab's Alpine to Slickrock 50mi	11:57:12 h	18
14.04	50mi	15th Bull Run Run 50 Miler	9:33:30 h	103
24.03	50km	2nd Antelope Island Buffalo Run 50 km	5:38:36 h	16
2005
17.07	50km	6th High Mountain 50 km	6:33:45 h	19
16.04	50km	1st Greenland Trail Race	5:35:01 h	41
2004
24.04	50mi	15th Zane Grey Highline Trail 50 Mile	12:30:12 h	34
2002
13.07	50km	4th Midnight Mountain 50K	5:53:00 h	5
23.06	50mi	11th Bighorn Mountain Wild & Scenic 50mi Trail Run	9:38:59 h	7
22.06	50mi	8th San Juan Solstice 50 Mile Run	11:22:10 h	20
27.04	50mi	13th Zane Grey Highline Trail 50 Mile	11:14:00 h	10
2001
16.06	50mi	10th Bighorn Mountain Wild & Scenic 50mi Trail Run	9:40:43 h	5
28.04	50mi	12th Zane Grey Highline Trail 50 Mile	11:56:40 h	16
2000
17.06	50km	9th Bighorn Mountain Wild & Scenic 50km Trail Run	5:28:03 h	3 🥉
29.04	50mi	11th Zane Grey Highline Trail 50 Mile	11:22:30 h	10
15.01	50mi	3rd Phoenix National Trail 50 Mile Endurance Run	9:54:07 h	20
1999
19.06	50mi	8th Bighorn Mountain Wild & Scenic 50mi Trail Run	9:39:30 h	3 🥉
05.06	50mi	3rd Snow Peaks 50 Mile Trail Run	10:15:58 h	10
24.04	50mi	10th Zane Grey Highline Trail 50 Mile	10:47:40 h	6
1997
05.09	100mi	18th Wasatch Front 100 Mile	23:41:00 h	8
16.08	100mi	15th Leadville Trail 100 Mile	21:41:37 h	7
1996
06.09	100mi	17th Wasatch Front 100 Mile	23:25:05 h	6
15.06	50mi	2nd San Juan Solstice 50 Mile Run	10:42:35 h	4
1995
07.10	100mi	5th Arkansas Traveller 100	17:53:10 h	3 🥉
1988
16.04	50mi	Alfred E. Packer 50 Mile Run	6:17:42 h	2 🥈
1987
21.03	48mi	6th Cross Timbers Trail Run	9:03:13 h	7
1984
27.05	50mi	7th Rocky Mountain 50 Mile Run	6:20:56 h	2 🥈
1983
31.12	24h	1st Across the Years, 24h	174.800 km	4
31.12	50mi	1st Across the Years, 24h - 50mi Split	8:25:15 h	4
31.12	100km	1st Across the Years, 24h - 100km Split	10:24:22 h	3 🥉
31.12	100mi	1st Across the Years, 24h - 100mi Split	17:11:54 h	3 🥉
03.12	50km	Cheyenne Track Club Distance Challenge	3:56:27 h	2 🥈
20.08	100mi	1st Leadville Trail 100 Mile	26:24:13 h	4
26.03	50mi	Alfred E. Packer 50 Mile Run	6:10:12 h	2 🥈
1978
25.11	50km	Toledo Marathon Plus 50km	3:23:11 h	5

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/12/1983	1st Across the Years, 24h	174,80	×3
✓ 2	20/7/2013	12th Tahoe Rim Trail 100M Endurance Run	160,93	×2
✓ 3	21/7/2012	11th Tahoe Rim Trail 100M Endurance Run	160,93	×2
✓ 4	27/4/2012	2nd Salt Flats 100 Mile	160,93	×2
✓ 5	10/9/2010	31st Wasatch Front 100 Mile	160,93	×2
✓ 6	18/6/2010	19th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	160,93	×2
✓ 7	5/9/1997	18th Wasatch Front 100 Mile	160,93	×2
✓ 8	16/8/1997	15th Leadville Trail 100 Mile	160,93	×2
✓ 9	6/9/1996	17th Wasatch Front 100 Mile	160,93	×2
✓ 10	7/10/1995	5th Arkansas Traveller 100	160,93	×2
✓ 11	20/8/1983	1st Leadville Trail 100 Mile	160,93	×2
✓ 12	7/8/2010	9th Katcina Mosa 100K Mountain Run	100,00	×1
✓ 13	1/8/2009	8th Katcina Mosa 100K Mountain Run	100,00	×1
✓ 14	22/3/2014	9th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 15	11/5/2013	2nd Quad Rock 50 Mile	80,47	×1
✓ 16	24/3/2012	7th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 17	21/5/2011	6th Jemez Mountain 50mi Trail Run	80,47	×1
✓ 18	5/6/2010	14th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 19	22/5/2010	5th Jemez Mountain 50mi Trail Run	80,47	×1
✓ 20	27/3/2010	5th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 21	19/6/2009	18th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 22	17/5/2008	3rd Jemez Mountain 50mi Trail Run	80,47	×1
✓ 23	17/11/2007	45th JFK 50 Mile	80,47	×1
✓ 24	22/9/2007	3rd Moab's Alpine to Slickrock 50mi	80,47	×1
✓ 25	14/4/2007	15th Bull Run Run 50 Miler	80,47	×1
✓ 26	24/4/2004	15th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 27	23/6/2002	11th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 28	22/6/2002	8th San Juan Solstice 50 Mile Run	80,47	×1
✓ 29	27/4/2002	13th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 30	16/6/2001	10th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 31	28/4/2001	12th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 32	29/4/2000	11th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 33	15/1/2000	3rd Phoenix National Trail 50 Mile Endurance Run	80,47	×1
✓ 34	19/6/1999	8th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 35	5/6/1999	3rd Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 36	24/4/1999	10th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 37	15/6/1996	2nd San Juan Solstice 50 Mile Run	80,47	×1
✓ 38	16/4/1988	Alfred E. Packer 50 Mile Run	80,47	×1
✓ 39	27/5/1984	7th Rocky Mountain 50 Mile Run	80,47	×1
✓ 40	26/3/1983	Alfred E. Packer 50 Mile Run	80,47	×1
✓ 41	21/3/1987	6th Cross Timbers Trail Run	77,25	×1
✓ 42	29/7/2022	8th Never Summer 60k	60,00	×1
✓ 43	8/10/2022	9th Canyon De Chelly Ultra	55,00	×1
✓ 44	12/10/2019	6th Indian Creek Fifties - 55 km	55,00	×1
✓ 45	5/8/2017	2nd Running Rainbow Bridge Trail Ultra	55,00	×1
✓ 46	10/10/2015	3rd Canyon De Chelly Ultra	55,00	×1
✓ 47	11/10/2014	2nd Canyon De Chelly Ultra	55,00	×1
✓ 48	16/2/2013	7th Moab Red Hot 55k	55,00	×1
✓ 49	13/2/2010	4th Moab Red Hot 55k	55,00	×1
✓ 50	16/2/2008	2nd Moab Red Hot 55k	55,00	×1
51	22/5/2021	16th Jemez Mountain 50km Trail Run	50,00	—
52	26/9/2020	4th Crimson Canyon 50 km Ultramarathon	50,00	—
53	29/2/2020	7th Monument Valley 50 km Race	50,00	—
54	25/5/2019	14th Jemez Mountain 50km Trail Run	50,00	—
55	2/3/2019	6th Monument Valley 50 km Race	50,00	—
56	3/6/2017	9th Golden Gate Dirty 30	50,00	—
57	1/10/2016	5th Mount Taylor 50 km Race	50,00	—
58	6/8/2016	1st Running Rainbow Bridge Trail Ultra	50,00	—
59	4/6/2016	8th Golden Gate Dirty 30	50,00	—
60	19/3/2016	3rd Monument Valley 50 km Race	50,00	—
61	12/9/2015	9th Paatuwaqatsi Run	50,00	—
62	30/5/2015	7th Golden Gate Dirty 30	50,00	—
63	16/5/2015	8th Sage Burner Trail Run	50,00	—
64	18/4/2015	12th Desert Rats Trail Running Festival 50 km	50,00	—
65	6/9/2014	3rd Volcanic 50	50,00	—
66	28/6/2014	5th North Fork 50 km Trail Race	50,00	—
67	31/5/2014	6th Golden Gate Dirty 30	50,00	—
68	29/6/2013	4th North Fork 50 km Trail Race	50,00	—
69	28/5/2012	5th Sage Burner Trail Run	50,00	—
70	19/5/2009	4th Jemez Mountain 50km Trail Run	50,00	—
71	20/1/2008	4th Calico Trail Run 50 km	50,00	—
72	24/3/2007	2nd Antelope Island Buffalo Run 50 km	50,00	—
73	17/7/2005	6th High Mountain 50 km	50,00	—
74	16/4/2005	1st Greenland Trail Race	50,00	—
75	13/7/2002	4th Midnight Mountain 50K	50,00	—
76	17/6/2000	9th Bighorn Mountain Wild & Scenic 50km Trail Run	50,00	—
77	3/12/1983	Cheyenne Track Club Distance Challenge	50,00	—
78	25/11/1978	Toledo Marathon Plus 50km	50,00	—
79	30/6/2012	5th Logan Peak 28 Mile Trail Race	45,06	—