Steven Harrold

Born : 1947 Cat. M75 Ultrarunner since 1990

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

35,4%

Rank quotient ?This runner's calculation uses 78 eligible race(s): Σ(rank − 1) = 6 018; Σ finishers = 16 984. 6 018 / 16 984 × 100 = 35.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed78

Km — ultra races5 464 km

> 100 km5

> 160 km5

Longest race160,9 km

34th Western States 100 Mile Endurance Run — 23/6/2007

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road4,2%

Trail95,8%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

50 km4h21'16 100 km12h31'57 50 mi6h30'50 100 mi22h59'46

HISTORY

78 race(s)

Date		Race	Perf.	Rk
2011
27.08	31.5mi	12th Tamalpa Headlands 50K	7:41:59 h	131
2009
28.03	50mi	2nd Lake Sonoma 50 Mile Race	11:47:40 h	77
21.03	50km	8th Pirates Cove Trail Run	5:58:35 h	46
2007
24.11	28mi	23rd Quad Dipsea Trail Run	6:19:41 h	116
23.06	100mi	34th Western States 100 Mile Endurance Run	27:47:49 h	168
19.05	50km	22nd Silver State 50 km	7:36:45 h	32
05.05	100km	12th Miwok 100k Trail race	12:57:47 h	95
14.04	50mi	28th American River 50 Mile Endurance Run	9:20:18 h	168
03.02	50km	6th Woodside Trail Run 50K	5:45:57 h	40
20.01	50km	4th Pacifica 50 km Trail Run - Winter Edition	6:28:53 h	15
2006
25.11	28mi	22nd Quad Dipsea Trail Run	6:38:25 h	138
06.05	100km	11th Miwok 100k Trail race	12:31:57 h	103
01.04	50mi	27th American River 50 Mile Endurance Run	9:20:37 h	123
04.02	50km	5th Woodside Trail Run 50K	5:48:15 h	31
21.01	50km	3rd Pacifica 50 km Trail Run - Winter Edition	6:19:18 h	5
2005
26.11	28mi	21st Quad Dipsea Trail Run	6:28:03 h	111
15.10	50mi	23rd Dick Collins Firetrails 50 Mile	10:09:40 h	74
2004
27.11	28mi	20th Quad Dipsea Trail Run	6:56:12 h	136
05.09	50mi	10th Run On The Sly 50 Mile	11:30:29 h	31
15.05	50mi	19th Silver State 50 Miles	10:59:59 h	25
01.05	100km	9th Miwok 100k Trail race	13:52:14 h	132
03.04	50mi	25th American River 50 Mile Endurance Run	9:34:12 h	151
20.03	50km	2nd Rucky Chucky Roundabout 50K	7:02:55 h	53
07.02	50mi	12th Rocky Raccoon 50 Mile Trail Run	8:50:52 h	14
2003
29.11	28mi	19th Quad Dipsea Trail Run	6:30:48 h	132
03.05	100km	8th Miwok 100k Trail race	12:58:08 h	89
05.04	50mi	24th American River 50 Mile Endurance Run	8:48:23 h	120
22.03	50km	1st Rucky Chucky Roundabout 50K	6:12:10 h	29
08.03	50km	14th Way Too Cool 50K Endurance Run	5:05:06 h	133
08.02	50km	25th Jed Smith Ultra Classic - 50 km Race	4:38:29 h	34
2002
30.11	28mi	18th Quad Dipsea Trail Run	6:12:01 h	114
09.11	50km	7th Helen Klein Ultra Classic 50km	4:32:55 h	4
12.10	50mi	20th Dick Collins Firetrails 50 Mile	9:39:17 h	44
14.09	53.2mi	16th Sierra Nevada Endurance 53 Mile Run	11:20:10 h	14
04.08	50km	21st Skyline 50k Endurance Run	5:26:05 h	60
17.06	50km	5th Best Run By A Dam Site	5:58:01 h	8
06.04	50mi	23rd American River 50 Mile Endurance Run	8:44:53 h	96
09.03	50km	13th Way Too Cool 50K Endurance Run	5:45:02 h	226
09.02	50km	24th Jed Smith Ultra Classic - 50 km Race	4:41:50 h	26
2000
03.09	50mi	6th Run On The Sly 50 Mile	9:13:22 h	23
05.08	50km	19th Skyline 50k Endurance Run	5:30:01 h	62
1999
13.03	50km	10th Way Too Cool 50K Endurance Run	5:47:36 h	210
1998
04.04	50mi	19th American River 50 Mile Endurance Run	9:42:45 h	259
14.03	50km	9th Way Too Cool 50K Endurance Run	5:39:21 h	140
1997
29.11	28mi	13th Quad Dipsea Trail Run	6:50:30 h	137
06.09	50km	3rd Point Reyes 50K	6:19:11 h	86
28.06	100mi	24th Western States 100 Mile Endurance Run	23:42:41 h	95
05.04	50mi	18th American River 50 Mile Endurance Run	8:33:50 h	131
15.03	50km	8th Way Too Cool 50K Endurance Run	4:48:16 h	64
1996
30.11	28mi	12th Quad Dipsea Trail Run	6:03:53 h	93
29.06	100mi	23rd Western States 100 Mile Endurance Run	23:47:56 h	66
18.05	50mi	11th Silver State 50 Miles	11:28:29 h	17
06.04	50mi	17th American River 50 Mile Endurance Run	8:14:17 h	69
09.03	50km	7th Way Too Cool 50K Endurance Run	4:54:33 h	58
1995
25.11	28mi	11th Quad Dipsea Trail Run	6:07:20 h	84
14.10	50mi	13th Dick Collins Firetrails 50 Mile	9:27:51 h	23
01.04	50mi	16th American River 50 Mile Endurance Run	8:21:10 h	104
11.03	50km	6th Way Too Cool 50K Endurance Run	5:19:43 h	87
1994
23.07	100mi	6th Vermont 100 Mile Endurance Race	22:59:46 h	55
21.05	50mi	9th Silver State 50 Miles	10:48:26 h	25
02.04	50mi	15th American River 50 Mile Endurance Run	8:37:20 h	146
12.03	50km	5th Way Too Cool 50K Endurance Run	5:01:52 h	82
1993
18.09	50mi	1st PCT 50 Mile Trail Run	6:30:50 h	27
18.09	50km	Pacific Crest Trail 50 km	6:30:50 h	27
03.04	50mi	14th American River 50 Mile Endurance Run	8:01:23 h	80
13.03	50km	4th Way Too Cool 50K Endurance Run	4:57:19 h	53
1992
28.11	28mi	8th Quad Dipsea Trail Run	5:50:52 h	51
27.06	100mi	19th Western States 100 Mile Endurance Run	23:48:37 h	68
04.04	50mi	13th American River 50 Mile Endurance Run	8:19:19 h	103
14.03	50km	3rd Way Too Cool 50K Endurance Run	4:54:44 h	58
08.02	50km	14th Jed Smith Ultra Classic - 50 km Race	4:21:16 h	22
25.01	50mi	6th Ledson Marsh 50 Mile	8:07:17 h	10
1991
24.08	50km	Mule Run 50K	5:42:35 h	37
06.04	50mi	12th American River 50 Mile Endurance Run	8:35:58 h	113
09.03	50km	2nd Way Too Cool 50K Endurance Run	5:11:08 h	55
1990
07.04	50mi	11th American River 50 Mile Endurance Run	7:52:13 h	70
10.03	50km	1st Way Too Cool 50K Endurance Run	4:57:36 h	21
11.02	50mi	12th Jed Smith Ultra Classic - 50 Mile Race	7:45:14 h	41

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/6/2007	34th Western States 100 Mile Endurance Run	160,93	×3
✓ 2	28/6/1997	24th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	29/6/1996	23rd Western States 100 Mile Endurance Run	160,93	×3
✓ 4	23/7/1994	6th Vermont 100 Mile Endurance Race	160,93	×3
✓ 5	27/6/1992	19th Western States 100 Mile Endurance Run	160,93	×3
✓ 6	5/5/2007	12th Miwok 100k Trail race	100,00	×2
✓ 7	6/5/2006	11th Miwok 100k Trail race	100,00	×2
✓ 8	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 9	3/5/2003	8th Miwok 100k Trail race	100,00	×2
✓ 10	14/9/2002	16th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 11	28/3/2009	2nd Lake Sonoma 50 Mile Race	80,47	×1
✓ 12	14/4/2007	28th American River 50 Mile Endurance Run	80,47	×1
✓ 13	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 14	15/10/2005	23rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 15	5/9/2004	10th Run On The Sly 50 Mile	80,47	×1
✓ 16	15/5/2004	19th Silver State 50 Miles	80,47	×1
✓ 17	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 18	7/2/2004	12th Rocky Raccoon 50 Mile Trail Run	80,47	×1
✓ 19	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 20	12/10/2002	20th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 21	6/4/2002	23rd American River 50 Mile Endurance Run	80,47	×1
✓ 22	3/9/2000	6th Run On The Sly 50 Mile	80,47	×1
✓ 23	4/4/1998	19th American River 50 Mile Endurance Run	80,47	×1
✓ 24	5/4/1997	18th American River 50 Mile Endurance Run	80,47	×1
✓ 25	18/5/1996	11th Silver State 50 Miles	80,47	×1
✓ 26	6/4/1996	17th American River 50 Mile Endurance Run	80,47	×1
✓ 27	14/10/1995	13th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	1/4/1995	16th American River 50 Mile Endurance Run	80,47	×1
✓ 29	21/5/1994	9th Silver State 50 Miles	80,47	×1
✓ 30	2/4/1994	15th American River 50 Mile Endurance Run	80,47	×1
✓ 31	18/9/1993	1st PCT 50 Mile Trail Run	80,47	×1
✓ 32	3/4/1993	14th American River 50 Mile Endurance Run	80,47	×1
✓ 33	4/4/1992	13th American River 50 Mile Endurance Run	80,47	×1
✓ 34	25/1/1992	6th Ledson Marsh 50 Mile	80,47	×1
✓ 35	6/4/1991	12th American River 50 Mile Endurance Run	80,47	×1
✓ 36	7/4/1990	11th American River 50 Mile Endurance Run	80,47	×1
✓ 37	11/2/1990	12th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 38	27/8/2011	12th Tamalpa Headlands 50K	50,69	×1
✓ 39	21/3/2009	8th Pirates Cove Trail Run	50,00	×1
✓ 40	19/5/2007	22nd Silver State 50 km	50,00	×1
✓ 41	3/2/2007	6th Woodside Trail Run 50K	50,00	×1
✓ 42	20/1/2007	4th Pacifica 50 km Trail Run - Winter Edition	50,00	×1
✓ 43	4/2/2006	5th Woodside Trail Run 50K	50,00	×1
✓ 44	21/1/2006	3rd Pacifica 50 km Trail Run - Winter Edition	50,00	×1
✓ 45	20/3/2004	2nd Rucky Chucky Roundabout 50K	50,00	×1
✓ 46	22/3/2003	1st Rucky Chucky Roundabout 50K	50,00	×1
✓ 47	8/3/2003	14th Way Too Cool 50K Endurance Run	50,00	×1
✓ 48	8/2/2003	25th Jed Smith Ultra Classic - 50 km Race	50,00	×1
✓ 49	9/11/2002	7th Helen Klein Ultra Classic 50km	50,00	×1
✓ 50	4/8/2002	21st Skyline 50k Endurance Run	50,00	×1
51	17/6/2002	5th Best Run By A Dam Site	50,00	×1
52	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	×1
53	9/2/2002	24th Jed Smith Ultra Classic - 50 km Race	50,00	×1
54	5/8/2000	19th Skyline 50k Endurance Run	50,00	×1
55	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	×1
56	14/3/1998	9th Way Too Cool 50K Endurance Run	50,00	×1
57	6/9/1997	3rd Point Reyes 50K	50,00	×1
58	15/3/1997	8th Way Too Cool 50K Endurance Run	50,00	×1
59	9/3/1996	7th Way Too Cool 50K Endurance Run	50,00	×1
60	11/3/1995	6th Way Too Cool 50K Endurance Run	50,00	×1
61	12/3/1994	5th Way Too Cool 50K Endurance Run	50,00	×1
62	13/3/1993	4th Way Too Cool 50K Endurance Run	50,00	×1
63	14/3/1992	3rd Way Too Cool 50K Endurance Run	50,00	×1
64	8/2/1992	14th Jed Smith Ultra Classic - 50 km Race	50,00	×1
65	24/8/1991	Mule Run 50K	50,00	×1
66	9/3/1991	2nd Way Too Cool 50K Endurance Run	50,00	×1
67	10/3/1990	1st Way Too Cool 50K Endurance Run	50,00	×1
68	24/11/2007	23rd Quad Dipsea Trail Run	45,06	—
69	25/11/2006	22nd Quad Dipsea Trail Run	45,06	—
70	26/11/2005	21st Quad Dipsea Trail Run	45,06	—
71	27/11/2004	20th Quad Dipsea Trail Run	45,06	—
72	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
73	30/11/2002	18th Quad Dipsea Trail Run	45,06	—
74	29/11/1997	13th Quad Dipsea Trail Run	45,06	—
75	30/11/1996	12th Quad Dipsea Trail Run	45,06	—
76	25/11/1995	11th Quad Dipsea Trail Run	45,06	—
77	28/11/1992	8th Quad Dipsea Trail Run	45,06	—