James Ehasz

Born : 1952 Cat. M70 Ultrarunner since 1999

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 Kingdom

Mexico

South Africa

United States

52,8%

Rank quotient ?This runner's calculation uses 121 eligible race(s): Σ(rank − 1) = 12 425; Σ finishers = 23 529. 12 425 / 23 529 × 100 = 52.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed121

Km — ultra races13 718 km

> 100 km53

> 160 km48

> 200 km9

> 24h12

> 48h4

Longest race242,8 km

35th Across the Years, 72h — 28/12/2019

Km per year (ultra races)

861

2022

621

2023

2024

550

2025

2026

Race types (share of distance)

Road37,1%

Trail62,9%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 39

🏅 Top 3 M12

Longest winning streak1

Current streak0

Records

50 km4h31'08 100 km10h48'45 50 mi8h08'34 100 mi20h24'55 12 h84,59 km 24 h185,55 km

HISTORY

121 race(s)

Date		Race	Perf.	Rk
2025
28.12	72h	41st Across the Years, 72h	163.483 km	18
08.11	140mi	4th Route 66 UltraRun Crewed	45:38:00 h	3 🥉
18.10	100mi	3rd Cahuilla Rez Ultra 100 Miles Run	28:13:00 h	8
2024
01.06	24h	8th Hotfoot Hamster 24 Hour Run	69.499 km	23
2023
11.11	140mi	2nd Route 66 UltraRun	41:27:52 h	3 🥉
07.10	100mi	9th The Hennepin Hundred - 100 Mile Run	27:49:06 h	138
23.09	50km	14th Javelina Jangover Night Run 50K	6:39:00 h	39
10.06	54km	8th Flagstaff Extreme Big Pine 54K Trail Run	8:29:37 h	65
20.05	50mi	11th Bryce 50 Mile Trail Run	15:12:24 h	93
25.03	50km	31st Crown King Scramble 50K	7:58:24 h	149
2022
28.12	72h	38th Across the Years, 72h	161.874 km	46
29.10	159.2km	20th Javelina Jundred 100 Mile Endurance Run	28:18:49 h	333
08.10	55km	9th Canyon De Chelly Ultra	8:48:28 h	35
28.08	90km	95th Comrades Marathon - Down Run	10:42:40 h	6194
06.08	53km	5th Cloudcroft Ultra Run	9:49:05 h	41
23.07	50km	2nd Stunner 50km Night Run	6:54:48 h	28
18.06	50km	16th Running With The Devil 50 km Race	6:13:13 h	10
04.06	12h	6th Jackrabbit Jubilee 12 Hour Run	80.950 km	17
11.02	100mi	4th Grandmaster Ultras 100 Mile Run	34:00:06 h	19
2021
28.12	72h	37th Across the Years, 72h	204.029 km	15
04.12	50mi	3rd Anza Borrego Cuyamaca 50 Mile Run	14:27:01 h	35
30.10	159.2km	19th Javelina Jundred 100 Mile Endurance Run	27:27:01 h	198
25.09	50km	12th Javelina Jangover Night Run 50K	7:00:38 h	37
24.07	100mi	15th Burning River 100 Mile Endurance Run	29:24:41 h	138
22.05	50km	9th Insomniac Night Trail Run Series - Adrenaline 50k	6:48:02 h	33
24.04	54km	9th Insomniac Night Trail Run Series - Sinister Night Runs	8:28:24 h	21
2020
14.11	50km	11th Pass Mountain 50 km Race	7:41:55 h	35
29.02	50km	6th Sycamore Canyon 50k	7:50:29 h	29
2019
28.12	72h	35th Across the Years, 72h	242.815 km	10
26.10	100mi	17th Javelina Jundred 100 Mile Endurance Run	26:01:06 h	213
28.09	50km	10th Javelina Jangover Night Run 50K	6:57:04 h	42
24.08	12h	3rd Jackrabbit Jubilee 12 Hour Run	81.582 km	13
17.05	100mi	9th Born to Run Ultra 100 Mile Marathon	29:17:21 h	21
04.05	12h	3rd Hotfoot Hamster 12 Hour Run	84.585 km	4
20.04	54km	7th Insomniac Night Trail Run Series - Sinister Night Runs	8:19:17 h	16
30.03	50km	27th Crown King Scramble 50K	7:51:30 h	130
2018
31.12	24h	34th Across the Years, 24h	138.538 km	25
27.10	100mi	16th Javelina Jundred 100 Mile Endurance Run	26:07:07 h	196
13.10	55km	6th Canyon De Chelly Ultra	9:32:16 h	115
2017
28.10	100mi	15th Javelina Jundred 100 Mile Endurance Run	28:49:30 h	305
24.06	50mi	11th Running With The Devil 50 Mile Race	12:45:05 h	2 🥈
27.05	100mi	9th Nanny Goat 100 Mile Race	26:42:20 h	28
06.05	24h	1st Hotfoot Hamster 24 Hour Run	146.500 km	3 🥉
01.04	50km	25th Crown King Scramble 50K	7:15:50 h	66
04.03	50mi	27th Old Pueblo 50 Mile Endurance Run	13:45:29 h	42
28.01	50mi	1st AZT Oracle Rumble 50 Mile	13:31:17 h	18
2016
28.12	24h	32nd Across the Years, 24h	162.190 km	16
12.11	50mi	3rd Colossal Vail 50 Mile	12:45:00 h	19
29.10	100km	14th Javelina Jundred 100 km Endurance Run	14:30:24 h	30
15.10	50km	7th Cave Creek Thriller 50K Race	7:52:08 h	45
21.05	100mi	9th Keys100 Ultra-Marathons 100mi	27:20:13 h	41
05.03	50mi	26th Old Pueblo 50 Mile Endurance Run	13:13:16 h	28
13.02	100km	3rd Black Canyon Trail 100 km Run	16:13:46 h	120
2015
31.10	100mi	13th Javelina Jundred 100 Mile Endurance Run	25:49:19 h	149
28.07	135mi	29th Badwater Ultramarathon	41:34:41 h	61
13.06	108km	1st Flagstaff Extreme Big Pine 108K Trail Run	17:17:12 h	4
30.05	54km	3rd Insomniac Night Trail Run Series - Adrenaline 54k	6:24:51 h	18
28.03	50km	23rd Crown King Scramble 50K	7:23:55 h	131
24.01	100mi	5th Coldwater Rumble 100 Mile Race	30:34:28 h	23
2014
01.11	100mi	12th Javelina Jundred 100 Mile Endurance Run	26:01:11 h	138
21.07	135mi	28th Badwater Ultramarathon	38:20:10 h	45
24.05	145mi	20th 145mi Grand Union Canal Race	36:32:00 h	29
03.05	50mi	6th Labor of Love 50 Mile Race	9:07:42 h	2 🥈
05.04	50km	22nd Crown King Scramble 50K	6:37:28 h	45
15.03	52km	3rd Old Man 50 km	6:27:36 h	6
25.01	100mi	4th Coldwater Rumble 100 Mile Race	29:52:06 h	36
2013
26.10	100mi	11th Javelina Jundred 100 Mile Endurance Run	25:06:30 h	54
14.09	50mi	7th Running With The Devil 50 Mile Race	9:25:43 h	1 🏆
20.07	100mi	25th Vermont 100 Mile Endurance Race	26:08:38 h	131
29.06	100mi	40th Western States 100 Mile Endurance Run	29:04:50 h	231
08.06	65km	1st Insomniac Night Trail Run Series - Adrenaline 65k	9:44:43 h	16
18.05	100km	20th Bishop High Sierra Ultramarathons 100 km	16:49:56 h	60
20.04	100mi	5th Labor of Love 100 Mile Race	25:37:00 h	15
16.03	50mi	1st Beyond Limits Ultra Race 50mi	10:19:00 h	6
03.03	50mi	7th Ultra Caballo Blanco Copper Canyon Ultra	11:50:10 h	168
2012
27.10	100mi	10th Javelina Jundred 100 Mile Endurance Run	24:56:44 h	63
16.07	135mi	26th Badwater Ultramarathon	37:05:50 h	43
23.06	50mi	6th Running With The Devil 50 Mile Race	9:53:58 h	8
26.05	24h	4th Nanny Goat 24 Hour Race	178.637 km	3 🥉
21.04	100mi	4th Labor of Love 100 Mile Race	24:58:50 h	10
07.04	45mi	1st Cedro Peak 45 Mile Ultramarathon	11:50:03 h	39
24.02	100mi	3rd Rocky Road 100 Mile Runs	22:09:04 h	16
07.01	50mi	5th Running from an Angel 50 Miler	8:08:34 h	9
2011
08.10	100mi	1st Slickrock 100 Mile Run	23:56:00 h	22
17.09	50km	5th Noble Canyon 50k	6:36:46 h	80
11.07	135mi	25th Badwater Ultramarathon	36:45:29 h	32
25.06	50mi	5th Running With The Devil 50 Mile Race	8:55:37 h	8
28.05	24h	3rd Nanny Goat 24 Hour Race	177.027 km	3 🥉
28.05	100mi	3rd Nanny Goat 100 Mile Race	20:24:55 h	4
14.05	50mi	8th PCT 50 Mile Trail Run	11:34:00 h	62
09.04	50mi	3rd Labor of Love 50 Mile Race	9:40:30 h	11
12.03	50km	2nd Mesquite Canyon 50 km	7:31:02 h	47
2010
23.10	100mi	8th Javelina Jundred 100 Mile Endurance Run	25:04:40 h	62
10.09	100mi	31st Wasatch Front 100 Mile	34:57:38 h	156
07.08	100km	9th Katcina Mosa 100K Mountain Run	19:02:25 h	43
26.06	50mi	4th Running With The Devil 50 Mile Race	9:40:12 h	5
29.05	24h	2nd Nanny Goat 24 Hour Race	160.934 km	6
29.05	100mi	2nd Nanny Goat 100 Mile Race	24:04:51 h	7
24.04	100mi	1st Rocky Road 100 Mile Run	23:33:27 h	1 🏆
20.03	50km	1st Mesquite Canyon 50 km	7:04:03 h	38
09.01	50mi	3rd Running from an Angel 50 Miler	8:31:36 h	14
2009
08.08	50mi	5th Angeles National Forest 50Mile Trail Race	11:39:27 h	36
17.06	50mi	3rd Running With The Devil 50 Mile Race	10:10:26 h	8
2008
23.08	100mi	4th Lean Horse Ultra-Marathon 100 Mile	22:17:44 h	20
12.07	50km	10th Siskiyou Out Back 50 km Trail Run	5:48:49 h	53
2007
18.08	100mi	25th Leadville Trail 100 Mile	29:13:51 h	170
28.07	50mi	26th Minnesota Voyageur Trail 50 Mile Ultra	11:06:04 h	36
07.07	50km	14th Afton Trail Run 50K	5:38:31 h	23
02.06	24h	18th FANS 24 Hour Runs	185.552 km	6
12.05	50mi	26th Ice Age Trail 50 Mile Run	9:13:12 h	59
24.04	50km	17th Trail Mix Race	4:32:28 h	18
17.03	50km	20th Crown King Scramble 50K	7:07:18 h	59
2006
14.10	100km	20th Edmund Fitzgerald 100K Road Race	10:48:45 h	9
2004
11.09	50mi	14th Superior Fall Trail Races 50 Mile	13:53:27 h	28
26.06	100mi	31th Western States 100 Mile Endurance Run	27:42:50 h	174
08.05	50mi	23th Ice Age Trail 50 Mile Run	9:08:15 h	52
24.04	50km	14th Trail Mix Race	4:31:08 h	18
2003
07.06	100mi	8th Kettle Moraine 100 Mile Endurance Run	26:14:50 h	25
10.05	50mi	22th Ice Age Trail 50 Mile Run	8:54:37 h	42
1999
04.06	100mi	4th Kettle Moraine 100 Mile Endurance Run	26:32:08 h	40
08.05	50mi	18th Ice Age Trail 50 Mile Run	9:38:52 h	158

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/12/2019	35th Across the Years, 72h	242,82	×3
✓ 2	24/5/2014	20th 145mi Grand Union Canal Race	233,35	×2
✓ 3	8/11/2025	4th Route 66 UltraRun Crewed	225,31	×2
✓ 4	11/11/2023	2nd Route 66 UltraRun	225,31	×2
✓ 5	28/7/2015	29th Badwater Ultramarathon	217,26	×2
✓ 6	21/7/2014	28th Badwater Ultramarathon	217,26	×2
✓ 7	16/7/2012	26th Badwater Ultramarathon	217,26	×2
✓ 8	11/7/2011	25th Badwater Ultramarathon	217,26	×2
✓ 9	28/12/2021	37th Across the Years, 72h	204,03	×2
✓ 10	2/6/2007	18th FANS 24 Hour Runs	185,55	×2
✓ 11	26/5/2012	4th Nanny Goat 24 Hour Race	178,64	×2
✓ 12	28/5/2011	3rd Nanny Goat 24 Hour Race	177,03	×2
✓ 13	28/12/2025	41st Across the Years, 72h	163,48	×2
✓ 14	28/12/2016	32nd Across the Years, 24h	162,19	×2
✓ 15	28/12/2022	38th Across the Years, 72h	161,87	×2
✓ 16	18/10/2025	3rd Cahuilla Rez Ultra 100 Miles Run	160,93	×2
✓ 17	7/10/2023	9th The Hennepin Hundred - 100 Mile Run	160,93	×2
✓ 18	11/2/2022	4th Grandmaster Ultras 100 Mile Run	160,93	×2
✓ 19	24/7/2021	15th Burning River 100 Mile Endurance Run	160,93	×2
✓ 20	26/10/2019	17th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 21	17/5/2019	9th Born to Run Ultra 100 Mile Marathon	160,93	×2
✓ 22	27/10/2018	16th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 23	28/10/2017	15th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 24	27/5/2017	9th Nanny Goat 100 Mile Race	160,93	×2
✓ 25	21/5/2016	9th Keys100 Ultra-Marathons 100mi	160,93	×2
✓ 26	31/10/2015	13th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 27	24/1/2015	5th Coldwater Rumble 100 Mile Race	160,93	×2
✓ 28	1/11/2014	12th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 29	25/1/2014	4th Coldwater Rumble 100 Mile Race	160,93	×2
✓ 30	26/10/2013	11th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 31	20/7/2013	25th Vermont 100 Mile Endurance Race	160,93	×2
✓ 32	29/6/2013	40th Western States 100 Mile Endurance Run	160,93	×2
✓ 33	20/4/2013	5th Labor of Love 100 Mile Race	160,93	×2
✓ 34	27/10/2012	10th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 35	21/4/2012	4th Labor of Love 100 Mile Race	160,93	×2
✓ 36	24/2/2012	3rd Rocky Road 100 Mile Runs	160,93	×2
✓ 37	8/10/2011	1st Slickrock 100 Mile Run	160,93	×2
✓ 38	23/10/2010	8th Javelina Jundred 100 Mile Endurance Run	160,93	×2
✓ 39	10/9/2010	31st Wasatch Front 100 Mile	160,93	×2
✓ 40	29/5/2010	2nd Nanny Goat 100 Mile Race	160,93	×2
✓ 41	24/4/2010	1st Rocky Road 100 Mile Run	160,93	×2
✓ 42	23/8/2008	4th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 43	18/8/2007	25th Leadville Trail 100 Mile	160,93	×2
✓ 44	26/6/2004	31th Western States 100 Mile Endurance Run	160,93	×2
✓ 45	7/6/2003	8th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 46	4/6/1999	4th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 47	29/10/2022	20th Javelina Jundred 100 Mile Endurance Run	159,20	×1
✓ 48	30/10/2021	19th Javelina Jundred 100 Mile Endurance Run	159,20	×1
✓ 49	6/5/2017	1st Hotfoot Hamster 24 Hour Run	146,50	×1
✓ 50	31/12/2018	34th Across the Years, 24h	138,54	×1
✓ 51	13/6/2015	1st Flagstaff Extreme Big Pine 108K Trail Run	108,00	×1
✓ 52	29/10/2016	14th Javelina Jundred 100 km Endurance Run	100,00	×1
✓ 53	13/2/2016	3rd Black Canyon Trail 100 km Run	100,00	×1
✓ 54	18/5/2013	20th Bishop High Sierra Ultramarathons 100 km	100,00	×1
✓ 55	7/8/2010	9th Katcina Mosa 100K Mountain Run	100,00	×1
✓ 56	14/10/2006	20th Edmund Fitzgerald 100K Road Race	100,00	×1
✓ 57	28/8/2022	95th Comrades Marathon - Down Run	90,00	×1
✓ 58	4/5/2019	3rd Hotfoot Hamster 12 Hour Run	84,59	×1
✓ 59	24/8/2019	3rd Jackrabbit Jubilee 12 Hour Run	81,58	×1
✓ 60	4/6/2022	6th Jackrabbit Jubilee 12 Hour Run	80,95	×1
✓ 61	20/5/2023	11th Bryce 50 Mile Trail Run	80,47	×1
✓ 62	4/12/2021	3rd Anza Borrego Cuyamaca 50 Mile Run	80,47	×1
✓ 63	24/6/2017	11th Running With The Devil 50 Mile Race	80,47	×1
✓ 64	4/3/2017	27th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 65	28/1/2017	1st AZT Oracle Rumble 50 Mile	80,47	×1
✓ 66	12/11/2016	3rd Colossal Vail 50 Mile	80,47	×1
✓ 67	5/3/2016	26th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 68	3/5/2014	6th Labor of Love 50 Mile Race	80,47	×1
✓ 69	14/9/2013	7th Running With The Devil 50 Mile Race	80,47	×1
✓ 70	16/3/2013	1st Beyond Limits Ultra Race 50mi	80,47	×1
✓ 71	3/3/2013	7th Ultra Caballo Blanco Copper Canyon Ultra	80,47	×1
✓ 72	23/6/2012	6th Running With The Devil 50 Mile Race	80,47	×1
✓ 73	7/1/2012	5th Running from an Angel 50 Miler	80,47	×1
✓ 74	25/6/2011	5th Running With The Devil 50 Mile Race	80,47	×1
✓ 75	14/5/2011	8th PCT 50 Mile Trail Run	80,47	×1
✓ 76	9/4/2011	3rd Labor of Love 50 Mile Race	80,47	×1
✓ 77	26/6/2010	4th Running With The Devil 50 Mile Race	80,47	×1
✓ 78	9/1/2010	3rd Running from an Angel 50 Miler	80,47	×1
✓ 79	8/8/2009	5th Angeles National Forest 50Mile Trail Race	80,47	×1
✓ 80	17/6/2009	3rd Running With The Devil 50 Mile Race	80,47	×1
81	28/7/2007	26th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
82	12/5/2007	26th Ice Age Trail 50 Mile Run	80,47	×1
83	11/9/2004	14th Superior Fall Trail Races 50 Mile	80,47	×1
84	8/5/2004	23th Ice Age Trail 50 Mile Run	80,47	×1
85	10/5/2003	22th Ice Age Trail 50 Mile Run	80,47	×1
86	8/5/1999	18th Ice Age Trail 50 Mile Run	80,47	×1
87	7/4/2012	1st Cedro Peak 45 Mile Ultramarathon	72,42	—
88	1/6/2024	8th Hotfoot Hamster 24 Hour Run	69,50	—
89	8/6/2013	1st Insomniac Night Trail Run Series - Adrenaline 65k	65,00	—
90	8/10/2022	9th Canyon De Chelly Ultra	55,00	—
91	13/10/2018	6th Canyon De Chelly Ultra	55,00	—
92	10/6/2023	8th Flagstaff Extreme Big Pine 54K Trail Run	54,00	—
93	24/4/2021	9th Insomniac Night Trail Run Series - Sinister Night Runs	54,00	—
94	20/4/2019	7th Insomniac Night Trail Run Series - Sinister Night Runs	54,00	—
95	30/5/2015	3rd Insomniac Night Trail Run Series - Adrenaline 54k	54,00	—
96	6/8/2022	5th Cloudcroft Ultra Run	53,00	—
97	15/3/2014	3rd Old Man 50 km	52,00	—
98	23/9/2023	14th Javelina Jangover Night Run 50K	50,00	—
99	25/3/2023	31st Crown King Scramble 50K	50,00	—
100	23/7/2022	2nd Stunner 50km Night Run	50,00	—
101	18/6/2022	16th Running With The Devil 50 km Race	50,00	—
102	25/9/2021	12th Javelina Jangover Night Run 50K	50,00	—
103	22/5/2021	9th Insomniac Night Trail Run Series - Adrenaline 50k	50,00	—
104	14/11/2020	11th Pass Mountain 50 km Race	50,00	—
105	29/2/2020	6th Sycamore Canyon 50k	50,00	—
106	28/9/2019	10th Javelina Jangover Night Run 50K	50,00	—
107	30/3/2019	27th Crown King Scramble 50K	50,00	—
108	1/4/2017	25th Crown King Scramble 50K	50,00	—
109	15/10/2016	7th Cave Creek Thriller 50K Race	50,00	—
110	28/3/2015	23rd Crown King Scramble 50K	50,00	—
111	5/4/2014	22nd Crown King Scramble 50K	50,00	—
112	17/9/2011	5th Noble Canyon 50k	50,00	—
113	12/3/2011	2nd Mesquite Canyon 50 km	50,00	—
114	20/3/2010	1st Mesquite Canyon 50 km	50,00	—
115	12/7/2008	10th Siskiyou Out Back 50 km Trail Run	50,00	—
116	7/7/2007	14th Afton Trail Run 50K	50,00	—
117	24/4/2007	17th Trail Mix Race	50,00	—
118	17/3/2007	20th Crown King Scramble 50K	50,00	—
119	24/4/2004	14th Trail Mix Race	50,00	—