Walter Robinson

Born : 1957 Cat. M65 Ultrarunner since 2007

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 ?

China

Finland

United States

58,5%

Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 5 647; Σ finishers = 9 655. 5 647 / 9 655 × 100 = 58.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79

Km — ultra races5 475 km

> 100 km6

> 160 km4

> 24h1

Longest race160,9 km

23rd Rocky Raccoon 100 Mile Trail Run — 31/1/2015

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road11,4%

Trail88,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km4h47'07 100 km11h21'38 50 mi10h16'14 100 mi21h55'35 12 h74,83 km 24 h100,42 km

HISTORY

79 race(s)

Date		Race	Perf.	Rk
2016
23.04	50km	4th DL50 Ultra Endurance Race	11:59:56 h	79
02.04	100km	6th Gorge Waterfalls 100k	17:27:08 h	218
26.03	50mi	4th San Francisco 50 Mile Endurance Run	12:46:43 h	27
12.03	50mi	5th Marin Ultra Challenge 50 Mile Race	12:34:53 h	88
27.02	50km	2nd Salmon Falls 50 km Race	6:26:48 h	91
20.02	50km	6th Chabot Trail Run	6:12:06 h	22
06.02	100km	3rd Ordnance 100K	15:39:20 h	36
2015
28.11	28mi	31st Quad Dipsea Trail Run	8:18:13 h	265
18.10	50km	6th Coyote Ridge 50 km Trail Run	8:04:58 h	23
10.10	50mi	33rd Dick Collins Firetrails 50 Mile	12:10:30 h	155
30.08	50km	6th Diablo 50 km Trail Run	7:57:56 h	30
08.08	50km	34th Skyline 50k Endurance Run	6:45:47 h	105
25.04	50km	15th Promise Land 50K++	8:03:03 h	224
12.04	50km	1st Woodside Purisima Creek Crossover	7:40:59 h	65
04.04	50mi	36th American River 50 Mile Endurance Run	11:26:04 h	363
14.03	50mi	4th Marin Ultra Challenge 50 Mile Race	13:32:48 h	90
21.02	50km	5th Montara Mountain 50 km Trail Run	6:55:45 h	22
31.01	100mi	23rd Rocky Raccoon 100 Mile Trail Run	26:50:43 h	155
11.01	50km	5th Crystal Springs 50 km Winter Trail Run	5:52:34 h	31
2014
28.12	50km	13th Woodside Trail Run 50K	6:08:49 h	51
29.11	50km	12th Derby 50k Ultra Run	5:21:19 h	18
01.11	100km	12th Javelina Jundred 100 km Endurance Run	16:13:56 h	46
11.10	50mi	32nd Dick Collins Firetrails 50 Mile	10:16:14 h	84
13.09	75mi	8th Headlands Hundred 75 Mile Endurance Run	22:07:27 h	4
23.08	100km	Masokistin Unelma 100 km	11:21:38 h	18
05.04	50mi	35th American River 50 Mile Endurance Run	10:47:56 h	411
15.03	50km	3rd Marin Ultra Challenge 50 km Race	7:10:50 h	94
22.02	50km	4th Chabot Trail Run	6:25:56 h	37
01.02	100mi	22nd Rocky Raccoon 100 Mile Trail Run	28:50:36 h	237
2013
15.12	50km	2nd Woodside Ramble 50K - Winter	6:21:46 h	42
23.11	50km	11th Derby 50k Ultra Run	5:08:58 h	17
09.11	50km	2nd Lake Chabot 50 km Trail Run	6:00:24 h	33
20.10	50km	1st Sunol Dirty Dare 50k	7:47:38 h	15
12.10	50mi	31st Dick Collins Firetrails 50 Mile	10:31:16 h	154
18.08	50km	4th Redwood Summer Trail Run	7:29:19 h	16
19.05	50km	3rd Horseshoe Lake 50 km Trail Run	6:16:14 h	19
27.04	50km	4th Folsom Lake Trail Run - Spring 50K	5:26:45 h	10
13.04	50km	2nd Woodside Ramble 50K - Spring	7:31:10 h	41
04.04	50km	2nd Grizzly Peak 50k	8:20:38 h	33
24.03	50km	3rd Canyon Meadow (Winter) 50 km Trail Run	6:10:56 h	48
16.03	50km	2nd Rodeo Valley 50 km Trail Run	6:31:25 h	60
24.02	50km	3rd Montara Mountain 50 km Trail Run	6:32:03 h	24
10.02	50km	3rd Golden Gate 50 km Winter Trail Run	7:09:59 h	48
2012
24.11	50km	10h Derby 50k Ultra Run	5:03:13 h	12
03.11	50mi	30th Mountain Masochist 50 Mile Trail Run	12:28:35 h	233
06.10	40mi	8th Triple Lakes Trail Race	9:01:23 h	41
16.09	55km	3rd Buncombe 55K Ultra Trail Run	7:30:00 h	23
02.06	50km	5th Chattooga River 50 km Ultra Run Saturday	8:04:00 h	23
11.02	50km	17th Holiday Lake 50K++	5:41:01 h	147
04.02	40mi	20th Uwharrie Mountain Run	9:24:57 h	89
14.01	100km	3rd Weymouth Woods 100 km Trail Run	12:52:16 h	15
2011
10.12	50km	1st Table Rock 50 km Ultra	6:20:48 h	32
26.11	50km	9th Derby 50k Ultra Run	4:47:07 h	15
26.06	50km	4th Chattooga River 50 km Ultra Run	8:28:15 h	36
04.06	12h	3rd Black Mountain Monster 12 Hour Run	74.834 km	25
23.04	50km	11th Promise Land 50K++	7:39:08 h	166
26.03	50mi	7th Bel Monte 50 Mile Endurance Run	12:47:14 h	55
26.02	40mi	13th Mount Mitchell Challenge	8:13:45 h	97
15.01	100km	2nd Weymouth Woods 100 km Trail Run	13:21:41 h	18
2010
27.11	50km	8th Derby 50k Ultra Run	5:18:16 h	34
24.04	50km	10th Promise Land 50K++	7:20:37 h	138
27.03	100mi	16th Umstead Endurance Run 100 Miles	21:55:35 h	39
27.02	40mi	12th Mount Mitchell Challenge	7:52:34 h	91
06.02	40mi	18th Uwharrie Mountain Run	8:40:25 h	42
16.01	100km	1st Weymouth Woods 100 km Trail Run	14:00:10 h	20
2009
28.11	50km	7th Derby 50k Ultra Run	4:50:30 h	12
18.07	100mi	21st Vermont 100 Mile Endurance Race	25:28:43 h	96
20.06	40mi	7th Highlands Sky 40M Trail Run	9:43:09 h	78
07.06	50km	2nd Chattooga River 50 km Ultra Run	7:43:07 h	26
06.06	24h	1st Black Mountain Monster 24 Hour Run	100.423 km	6
03.05	34mi	2nd Buncombe 55K Ultra Trail Run	7:05:43 h	29
25.04	50km	9th Promise Land 50K++	7:48:54 h	128
04.04	50mi	15th Umstead Endurance Run 50 Miles	10:33:14 h	25
07.02	40mi	17th Uwharrie Mountain Run	9:44:33 h	57
10.01	50km	10th Salem Lakeshore Frosty Fifty	4:57:33 h	48
2008
27.09	100km	6th Great Eastern Endurance Run 100 km	19:04:43 h	28
14.06	40mi	6th Highlands Sky 40M Trail Run	9:45:53 h	68
22.03	50mi	4th Bel Monte 50 Mile Endurance Run	12:18:46 h	38
2007
29.09	100km	5th Great Eastern Endurance Run 100 km	18:11:48 h	47

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/1/2015	23rd Rocky Raccoon 100 Mile Trail Run	160,93	×3
✓ 2	1/2/2014	22nd Rocky Raccoon 100 Mile Trail Run	160,93	×3
✓ 3	27/3/2010	16th Umstead Endurance Run 100 Miles	160,93	×3
✓ 4	18/7/2009	21st Vermont 100 Mile Endurance Race	160,93	×3
✓ 5	13/9/2014	8th Headlands Hundred 75 Mile Endurance Run	120,70	×2
✓ 6	6/6/2009	1st Black Mountain Monster 24 Hour Run	100,42	×2
✓ 7	2/4/2016	6th Gorge Waterfalls 100k	100,00	×2
✓ 8	6/2/2016	3rd Ordnance 100K	100,00	×2
✓ 9	1/11/2014	12th Javelina Jundred 100 km Endurance Run	100,00	×2
✓ 10	23/8/2014	Masokistin Unelma 100 km	100,00	×2
✓ 11	14/1/2012	3rd Weymouth Woods 100 km Trail Run	100,00	×2
✓ 12	15/1/2011	2nd Weymouth Woods 100 km Trail Run	100,00	×2
✓ 13	16/1/2010	1st Weymouth Woods 100 km Trail Run	100,00	×2
✓ 14	27/9/2008	6th Great Eastern Endurance Run 100 km	100,00	×2
✓ 15	29/9/2007	5th Great Eastern Endurance Run 100 km	100,00	×2
✓ 16	26/3/2016	4th San Francisco 50 Mile Endurance Run	80,47	×1
✓ 17	12/3/2016	5th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 18	10/10/2015	33rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 19	4/4/2015	36th American River 50 Mile Endurance Run	80,47	×1
✓ 20	14/3/2015	4th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 21	11/10/2014	32nd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 22	5/4/2014	35th American River 50 Mile Endurance Run	80,47	×1
✓ 23	12/10/2013	31st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 24	3/11/2012	30th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 25	26/3/2011	7th Bel Monte 50 Mile Endurance Run	80,47	×1
✓ 26	4/4/2009	15th Umstead Endurance Run 50 Miles	80,47	×1
✓ 27	22/3/2008	4th Bel Monte 50 Mile Endurance Run	80,47	×1
✓ 28	4/6/2011	3rd Black Mountain Monster 12 Hour Run	74,83	×1
✓ 29	6/10/2012	8th Triple Lakes Trail Race	64,37	×1
✓ 30	4/2/2012	20th Uwharrie Mountain Run	64,37	×1
✓ 31	26/2/2011	13th Mount Mitchell Challenge	64,37	×1
✓ 32	27/2/2010	12th Mount Mitchell Challenge	64,37	×1
✓ 33	6/2/2010	18th Uwharrie Mountain Run	64,37	×1
✓ 34	20/6/2009	7th Highlands Sky 40M Trail Run	64,37	×1
✓ 35	7/2/2009	17th Uwharrie Mountain Run	64,37	×1
✓ 36	14/6/2008	6th Highlands Sky 40M Trail Run	64,37	×1
✓ 37	16/9/2012	3rd Buncombe 55K Ultra Trail Run	55,00	×1
✓ 38	3/5/2009	2nd Buncombe 55K Ultra Trail Run	54,72	×1
✓ 39	23/4/2016	4th DL50 Ultra Endurance Race	50,00	×1
✓ 40	27/2/2016	2nd Salmon Falls 50 km Race	50,00	×1
✓ 41	20/2/2016	6th Chabot Trail Run	50,00	×1
✓ 42	18/10/2015	6th Coyote Ridge 50 km Trail Run	50,00	×1
✓ 43	30/8/2015	6th Diablo 50 km Trail Run	50,00	×1
✓ 44	8/8/2015	34th Skyline 50k Endurance Run	50,00	×1
✓ 45	25/4/2015	15th Promise Land 50K++	50,00	×1
✓ 46	12/4/2015	1st Woodside Purisima Creek Crossover	50,00	×1
✓ 47	21/2/2015	5th Montara Mountain 50 km Trail Run	50,00	×1
✓ 48	11/1/2015	5th Crystal Springs 50 km Winter Trail Run	50,00	×1
✓ 49	28/12/2014	13th Woodside Trail Run 50K	50,00	×1
✓ 50	29/11/2014	12th Derby 50k Ultra Run	50,00	×1
51	15/3/2014	3rd Marin Ultra Challenge 50 km Race	50,00	×1
52	22/2/2014	4th Chabot Trail Run	50,00	×1
53	15/12/2013	2nd Woodside Ramble 50K - Winter	50,00	×1
54	23/11/2013	11th Derby 50k Ultra Run	50,00	×1
55	9/11/2013	2nd Lake Chabot 50 km Trail Run	50,00	×1
56	20/10/2013	1st Sunol Dirty Dare 50k	50,00	×1
57	18/8/2013	4th Redwood Summer Trail Run	50,00	×1
58	19/5/2013	3rd Horseshoe Lake 50 km Trail Run	50,00	×1
59	27/4/2013	4th Folsom Lake Trail Run - Spring 50K	50,00	×1
60	13/4/2013	2nd Woodside Ramble 50K - Spring	50,00	×1
61	4/4/2013	2nd Grizzly Peak 50k	50,00	×1
62	24/3/2013	3rd Canyon Meadow (Winter) 50 km Trail Run	50,00	×1
63	16/3/2013	2nd Rodeo Valley 50 km Trail Run	50,00	×1
64	24/2/2013	3rd Montara Mountain 50 km Trail Run	50,00	×1
65	10/2/2013	3rd Golden Gate 50 km Winter Trail Run	50,00	×1
66	24/11/2012	10h Derby 50k Ultra Run	50,00	×1
67	2/6/2012	5th Chattooga River 50 km Ultra Run Saturday	50,00	×1
68	11/2/2012	17th Holiday Lake 50K++	50,00	×1
69	10/12/2011	1st Table Rock 50 km Ultra	50,00	×1
70	26/11/2011	9th Derby 50k Ultra Run	50,00	×1
71	26/6/2011	4th Chattooga River 50 km Ultra Run	50,00	×1
72	23/4/2011	11th Promise Land 50K++	50,00	×1
73	27/11/2010	8th Derby 50k Ultra Run	50,00	×1
74	24/4/2010	10th Promise Land 50K++	50,00	×1
75	28/11/2009	7th Derby 50k Ultra Run	50,00	×1
76	7/6/2009	2nd Chattooga River 50 km Ultra Run	50,00	×1
77	25/4/2009	9th Promise Land 50K++	50,00	×1
78	10/1/2009	10th Salem Lakeshore Frosty Fifty	50,00	×1
79	28/11/2015	31st Quad Dipsea Trail Run	45,06	—