Jim O'Neil

Born : 1948 Cat. M75 Ultrarunner since 1998

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

65,8%

Rank quotient ?This runner's calculation uses 83 eligible race(s): Σ(rank − 1) = 6 400; Σ finishers = 9 725. 6 400 / 9 725 × 100 = 65.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed83

Km — ultra races7 496 km

> 100 km20

> 160 km14

> 24h26

> 48h15

Longest race187,0 km

26th Across the Years, 48h — 30/12/2008

Km per year (ultra races)

452

2022

2023

2024

124

2025

2026

Race types (share of distance)

Road40,2%

Trail59,8%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km5h25'35 100 km13h13'44 50 mi8h45'00 100 mi23h57'14 12 h64,37 km 24 h121,00 km 48 h187,00 km

HISTORY

83 race(s)

Date		Race	Perf.	Rk
2025
28.08	92h	11th A Race for the Ages	123.919 km	79
2024
29.08	91h	10th A Race for the Ages	59.545 km	101
2023
26.10	72h	8th Endless Mile - 72 Hour Race	82.744 km	31
2022
22.10	24h	7th Endless Mile - 24 Hour Race	77.404 km	21
01.09	90h	8th A Race for the Ages	162.543 km	52
02.07	48h	11th Merrill's Mile 48 Hour Run	66.930 km	51
14.05	24h	5th Locomotion 24 Hour Run	64.373 km	22
30.04	24h	3rd Bronze Dragonfly 24 Hour Ultra	81.110 km	6
2021
22.10	48h	6th Endless Mile - 48 Hour Race	127.138 km	34
08.09	89h	7th A Race for the Ages	177.027 km	31
2020
16.10	48h	5th Endless Mile - 48 Hour Race	80.630 km	39
03.09	88h	6th A Race for the Ages	181.855 km	23
2019
18.10	48h	4th Endless Mile - 48 Hour Race	109.657 km	22
28.08	87h	5th A Race for the Ages	170.590 km	54
2018
30.12	48h	34th Across the Years, 48h	162.191 km	56
17.11	24h	2nd The Stinger 24 Hour Race	82.076 km	32
19.10	48h	3rd Endless Mile - 48 Hour Race	161.261 km	19
30.08	86h	4th A Race for the Ages	170.590 km	75
16.06	12h	4th Midsummer Nights Dream 12 Hour Ultra	64.373 km	16
24.03	24h	8th Operation Endurance 24 Hour Run	64.373 km	14
2011
21.05	50km	6th Jemez Mountain 50km Trail Run	10:13:28 h	123
2010
31.12	24h	27th Across the Years, 24h	52.000 km	42
04.09	50mi	6th Grand Teton Races 50 Miles	14:05:42 h	25
17.07	50mi	1st North Fork 50 Mile Trail Race	14:03:29 h	30
18.06	50km	19th Bighorn Mountain Wild & Scenic 50km Trail Run	7:26:54 h	74
22.05	50km	5th Jemez Mountain 50km Trail Run	10:52:16 h	120
03.04	50km	4th SweetH2O 50 km	8:58:12 h	146
2009
31.12	24h	1st ARR 24 Hour Run To The Future	110.911 km	18
19.09	24h	4th Hinson Lake 24 Hour Ultra Classic	92.087 km	56
05.09	50mi	5th Grand Teton Races 50 Miles	13:17:40 h	20
18.07	50km	8th Tahoe Rim Trail 50km Endurance Runs	9:01:08 h	96
25.04	50km	9th Promise Land 50K++	8:16:10 h	161
04.04	50mi	15th Umstead Endurance Run 50 Miles	11:19:46 h	41
08.03	50km	28th Carl Touchstone Memorial Mississippi Trail 50 km	7:02:01 h	49
07.02	50mi	17th Rocky Raccoon 50 Mile Trail Run	11:38:32 h	98
17.01	38.5mi	4th The Ghost Town 38.5	9:45:02 h	55
2008
30.12	48h	26th Across the Years, 48h	187.000 km	9
06.12	50km	19th Sunmart Texas Trails 50 km	6:37:22 h	234
27.09	24h	3rd Hinson Lake 24 Hour Ultra Classic	114.166 km	25
26.04	50km	8th Promise Land 50K++	8:37:46 h	206
16.02	50km	13th Holiday Lake 50K++	7:29:02 h	232
2007
30.12	24h	25th Across the Years, 24h	121.000 km	23
24.11	50km	5th Derby 50k Ultra Run	6:27:45 h	48
29.09	24h	2nd Hinson Lake 24 Hour Ultra Classic	80.725 km	54
12.05	50km	9th Capon Valley 50K Run	6:33:30 h	78
14.04	50mi	15th Bull Run Run 50 Miler	11:23:30 h	250
31.03	50mi	13th Umstead Endurance Run 50 Miles	10:48:59 h	38
10.02	50km	12th Holiday Lake 50K++	7:02:12 h	205
2006
20.05	50mi	7th Berryman 50 Mile	12:50:03 h	34
2005
16.07	100mi	17th Vermont 100 Mile Endurance Race	27:13:00 h	95
30.04	50km	5th Promise Land 50K++	8:02:51 h	114
12.02	50km	10th Holiday Lake 50K++	6:39:01 h	111
2004
13.11	50mi	12th Kentucky Arches 50 Mile	8:45:00 h	37
24.04	50km	4th Promise Land 50K++	8:44:31 h	143
17.04	50mi	12th Bull Run Run 50 Miler	12:22:40 h	232
2003
11.10	50mi	22nd Le Grizz 50 Mile Ultramarathon	9:43:03 h	36
19.07	50mi	3rd Tahoe Rim Trail 50M Endurance Runs	13:41:16 h	62
28.06	50km	2nd Old Gabe 50K	9:57:00 h	29
03.05	100km	8th Miwok 100k Trail race	15:25:50 h	177
26.04	50km	8th McDonald Forest 50K Trail Run	7:49:37 h	155
2002
07.09	100mi	23rd Wasatch Front 100 Mile	35:42:59 h	121
13.07	100km	Elkhorn Mountain Endurance Run 100 km	15:52:25 h	34
18.05	50mi	17th Silver State 50 Miles	12:41:10 h	31
2001
28.09	100mi	3rd The Bear 100 Mile Endurance Run	32:50:15 h	16
21.07	100km	Elkhorn Mountain Endurance Run 100 km	15:53:02 h	30
23.06	100mi	28th Western States 100 Mile Endurance Run	29:06:22 h	213
05.05	100km	6th Miwok 100k Trail race	14:33:01 h	132
14.04	50mi	10th Leona Divide 50 Mile Run	11:02:03 h	81
17.03	50mi	15th Crown King Scramble 50M	11:23:56 h	29
2000
04.11	50mi	18th Mountain Masochist 50 Mile Trail Run	11:27:38 h	115
17.06	50mi	9th Bighorn Mountain Wild & Scenic 50mi Trail Run	14:20:02 h	64
02.06	100mi	5th Kettle Moraine 100 Mile Endurance Run	23:57:14 h	29
06.05	100km	5th Miwok 100k Trail race	13:13:44 h	89
18.03	50km	8th Chuckanut 50K	6:35:21 h	80
1999
04.12	50km	10th Sunmart Texas Trails 50 km	5:38:10 h	217
21.08	100mi	17th Leadville Trail 100 Mile	29:43:58 h	188
17.07	100km	Elkhorn Mountain Endurance Run 100 km	14:38:21 h	48
19.06	50mi	8th Bighorn Mountain Wild & Scenic 50mi Trail Run	11:58:43 h	17
17.04	50mi	8th Leona Divide 50 Mile Run	9:48:57 h	41
1998
12.12	50mi	9th Sunmart Texas Trails 50 Mile	9:46:37 h	136
14.11	50km	3rd Rockledge Rumble Trail Run	5:25:35 h	21
18.07	100km	Elkhorn Mountain Endurance Run 100 km	14:50:58 h	51
16.05	50mi	17th Ice Age Trail 50 Mile Run	9:57:53 h	141

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/12/2008	26th Across the Years, 48h	187,00	×2
✓ 2	3/9/2020	6th A Race for the Ages	181,86	×2
✓ 3	8/9/2021	7th A Race for the Ages	177,03	×2
✓ 4	28/8/2019	5th A Race for the Ages	170,59	×2
✓ 5	30/8/2018	4th A Race for the Ages	170,59	×2
✓ 6	1/9/2022	8th A Race for the Ages	162,54	×2
✓ 7	30/12/2018	34th Across the Years, 48h	162,19	×2
✓ 8	19/10/2018	3rd Endless Mile - 48 Hour Race	161,26	×2
✓ 9	16/7/2005	17th Vermont 100 Mile Endurance Race	160,93	×2
✓ 10	7/9/2002	23rd Wasatch Front 100 Mile	160,93	×2
✓ 11	28/9/2001	3rd The Bear 100 Mile Endurance Run	160,93	×2
✓ 12	23/6/2001	28th Western States 100 Mile Endurance Run	160,93	×2
✓ 13	2/6/2000	5th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 14	21/8/1999	17th Leadville Trail 100 Mile	160,93	×2
✓ 15	22/10/2021	6th Endless Mile - 48 Hour Race	127,14	×1
✓ 16	28/8/2025	11th A Race for the Ages	123,92	×1
✓ 17	30/12/2007	25th Across the Years, 24h	121,00	×1
✓ 18	27/9/2008	3rd Hinson Lake 24 Hour Ultra Classic	114,17	×1
✓ 19	31/12/2009	1st ARR 24 Hour Run To The Future	110,91	×1
✓ 20	18/10/2019	4th Endless Mile - 48 Hour Race	109,66	×1
✓ 21	3/5/2003	8th Miwok 100k Trail race	100,00	×1
✓ 22	13/7/2002	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 23	21/7/2001	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 24	5/5/2001	6th Miwok 100k Trail race	100,00	×1
✓ 25	6/5/2000	5th Miwok 100k Trail race	100,00	×1
✓ 26	17/7/1999	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 27	18/7/1998	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 28	19/9/2009	4th Hinson Lake 24 Hour Ultra Classic	92,09	×1
✓ 29	26/10/2023	8th Endless Mile - 72 Hour Race	82,74	×1
✓ 30	17/11/2018	2nd The Stinger 24 Hour Race	82,08	×1
✓ 31	30/4/2022	3rd Bronze Dragonfly 24 Hour Ultra	81,11	×1
✓ 32	29/9/2007	2nd Hinson Lake 24 Hour Ultra Classic	80,73	×1
✓ 33	16/10/2020	5th Endless Mile - 48 Hour Race	80,63	×1
✓ 34	4/9/2010	6th Grand Teton Races 50 Miles	80,47	×1
✓ 35	17/7/2010	1st North Fork 50 Mile Trail Race	80,47	×1
✓ 36	5/9/2009	5th Grand Teton Races 50 Miles	80,47	×1
✓ 37	4/4/2009	15th Umstead Endurance Run 50 Miles	80,47	×1
✓ 38	7/2/2009	17th Rocky Raccoon 50 Mile Trail Run	80,47	×1
✓ 39	14/4/2007	15th Bull Run Run 50 Miler	80,47	×1
✓ 40	31/3/2007	13th Umstead Endurance Run 50 Miles	80,47	×1
✓ 41	20/5/2006	7th Berryman 50 Mile	80,47	×1
✓ 42	13/11/2004	12th Kentucky Arches 50 Mile	80,47	×1
✓ 43	17/4/2004	12th Bull Run Run 50 Miler	80,47	×1
✓ 44	11/10/2003	22nd Le Grizz 50 Mile Ultramarathon	80,47	×1
✓ 45	19/7/2003	3rd Tahoe Rim Trail 50M Endurance Runs	80,47	×1
✓ 46	18/5/2002	17th Silver State 50 Miles	80,47	×1
✓ 47	14/4/2001	10th Leona Divide 50 Mile Run	80,47	×1
✓ 48	17/3/2001	15th Crown King Scramble 50M	80,47	×1
✓ 49	4/11/2000	18th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 50	17/6/2000	9th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 51	19/6/1999	8th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 52	17/4/1999	8th Leona Divide 50 Mile Run	80,47	×1
✓ 53	12/12/1998	9th Sunmart Texas Trails 50 Mile	80,47	×1
✓ 54	16/5/1998	17th Ice Age Trail 50 Mile Run	80,47	×1
✓ 55	22/10/2022	7th Endless Mile - 24 Hour Race	77,40	×1
✓ 56	2/7/2022	11th Merrill's Mile 48 Hour Run	66,93	—
✓ 57	14/5/2022	5th Locomotion 24 Hour Run	64,37	—
✓ 58	16/6/2018	4th Midsummer Nights Dream 12 Hour Ultra	64,37	—
✓ 59	24/3/2018	8th Operation Endurance 24 Hour Run	64,37	—
✓ 60	17/1/2009	4th The Ghost Town 38.5	61,96	—
61	29/8/2024	10th A Race for the Ages	59,55	—
62	31/12/2010	27th Across the Years, 24h	52,00	—
63	21/5/2011	6th Jemez Mountain 50km Trail Run	50,00	—
64	18/6/2010	19th Bighorn Mountain Wild & Scenic 50km Trail Run	50,00	—
65	22/5/2010	5th Jemez Mountain 50km Trail Run	50,00	—
66	3/4/2010	4th SweetH2O 50 km	50,00	—
67	18/7/2009	8th Tahoe Rim Trail 50km Endurance Runs	50,00	—
68	25/4/2009	9th Promise Land 50K++	50,00	—
69	8/3/2009	28th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	—
70	6/12/2008	19th Sunmart Texas Trails 50 km	50,00	—
71	26/4/2008	8th Promise Land 50K++	50,00	—
72	16/2/2008	13th Holiday Lake 50K++	50,00	—
73	24/11/2007	5th Derby 50k Ultra Run	50,00	—
74	12/5/2007	9th Capon Valley 50K Run	50,00	—
75	10/2/2007	12th Holiday Lake 50K++	50,00	—
76	30/4/2005	5th Promise Land 50K++	50,00	—
77	12/2/2005	10th Holiday Lake 50K++	50,00	—
78	24/4/2004	4th Promise Land 50K++	50,00	—
79	28/6/2003	2nd Old Gabe 50K	50,00	—
80	26/4/2003	8th McDonald Forest 50K Trail Run	50,00	—
81	18/3/2000	8th Chuckanut 50K	50,00	—
82	4/12/1999	10th Sunmart Texas Trails 50 km	50,00	—
83	14/11/1998	3rd Rockledge Rumble Trail Run	50,00	—