Robert Cervero

Born : 1951 Cat. M75 Ultrarunner since 2006

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

United States

67,7%

Rank quotient ?This runner's calculation uses 110 eligible race(s): Σ(rank − 1) = 8 338; Σ finishers = 12 309. 8 338 / 12 309 × 100 = 67.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed110

Km — ultra races7 445 km

> 100 km10

> 160 km7

> 24h3

Longest race160,9 km

2nd Razorback 100 Mile Endurance Race — 1/3/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road17,3%

Trail82,7%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M5

Longest winning streak0

Current streak0

Records

50 km5h19'49 100 km18h35'29 50 mi9h48'51 100 mi25h50'40 12 h93,34 km 24 h151,97 km

HISTORY

110 race(s)

Date		Race	Perf.	Rk
2025
11.10	50km	39th Ruth Anderson Ultra 50km	9:13:13 h	47
2022
15.01	52km	12th Coldwater Rumble 52K Race	10:30:22 h	61
2019
09.02	50km	1st Grandmaster Ultras 50 km Run	8:20:00 h	10
2016
14.05	50km	3rd Gold Rush 50k	8:35:43 h	127
13.02	50km	18th Pemberton Trail 50 km	6:59:36 h	37
2015
31.12	12h	6th New Years One Day 12 Hour Run	77.127 km	18
17.05	40mi	Dukeries Ultra 40 Mile	9:38:05 h	77
2014
03.08	50km	33rd Skyline 50k Endurance Run	7:31:17 h	158
12.07	12h	5th Dirty Dozen 12h Endurance Run	73.933 km	37
19.04	50km	28th Ruth Anderson Ultra 50km	6:39:08 h	31
05.04	50mi	35th American River 50 Mile Endurance Run	12:26:18 h	679
01.03	100mi	2nd Razorback 100 Mile Endurance Race	26:08:17 h	6
15.02	12h	1st Jackpot Ultra Running Festival 12 Hour Race	88.159 km	8
11.01	50mi	34th Avalon Benefit 50-Mile Run	13:41:42 h	282
2013
31.12	24h	4th New Years One Day 24 Hour Run	107.573 km	23
09.11	50km	2nd Lake Chabot 50 km Trail Run	6:47:54 h	40
12.10	50km	Durango Double 50K	8:29:31 h	36
28.09	50km	2nd Berkeley Trail Adventure	8:02:13 h	29
24.08	100mi	9th Lean Horse Ultra-Marathon 100 Mile	29:04:06 h	39
11.08	50km	32nd Skyline 50k Endurance Run	6:54:46 h	194
03.08	50mi	1st San Francisco 50 Mile Endurance Run	13:03:25 h	46
08.06	50km	24th Shadow of the Giants 50K	7:18:14 h	74
20.04	50km	5th Diablo Trails Challenge	8:03:23 h	112
06.04	100mi	19th Umstead Endurance Run 100 Miles	27:23:40 h	123
16.03	50mi	1st Beyond Limits Ultra Race 50mi	11:06:05 h	7
09.02	50km	3rd American Canyon Ultramarathon	7:01:33 h	78
19.01	50mi trail race	1st San Diego 50 Mile Trail	12:25:42 h	52
2012
15.12	50km	1st Woodside Ramble 50K - Winter	7:17:17 h	66
06.10	100mi	22nd Arkansas Traveller 100	28:13:16 h	46
07.09	100km	4th Run Woodstock - 100 km Hallucination Run	18:35:29 h	13
02.09	50km	3rd Coyote Ridge 50 km Trail Run	7:01:15 h	7
14.07	50km	2nd Golden Gate 50 km Summer Trail Run	7:22:00 h	41
20.05	50km	25th Ohlone 50K Wilderness Run	8:31:58 h	134
12.05	50km	29th Quicksilver 50 km Endurance Run	7:00:21 h	73
29.04	50mi	38th Lake Waramaug 50mi Ultra Marathon	10:14:15 h	22
21.04	50mi	26th Ruth Anderson Ultra 50mi	9:48:51 h	12
07.04	50km	1st Grizzly Peak 50k	7:36:41 h	7
31.03	50km	13th Chicago Lakefront Spring 50km Race	5:37:48 h	110
23.03	100mi	7th Antelope Island Buffalo Run 100 Mile	28:36:27 h	31
25.02	12h	Tule Springs 12 Hour Peacock Run	93.341 km	5
18.02	38mi	1st Folsom South Side Trail Run 38 Miles	7:59:14 h	7
11.02	50km	2nd Golden Gate 50 km Winter Trail Run	6:49:22 h	26
04.02	50km	34th Jed Smith Ultra Classic - 50 km Race	5:31:09 h	49
2011
31.12	24h	2nd New Years One Day 24 Hour Run	151.968 km	11
17.12	50km	3rd Mel Williams Memorial Seashore (Seashore Nature Trail)	5:43:57 h	136
31.10	50km	1st Lake Chabot 50 km Trail Run	6:01:31 h	29
22.10	50km	12th Whiskeytown 50km Trail Run	7:18:25 h	38
16.10	50km	2nd Boggs Mountain Boogie 50K	8:56:12 h	11
08.10	100mi	12th Heartland 100 Mile Race	26:49:03 h	43
24.09	53.2mi	25th Sierra Nevada Endurance 53 Mile Run	12:56:59 h	40
17.09	50km	2nd Diablo 50 km Trail Run	8:01:43 h	26
27.08	31.5mi	12th Tamalpa Headlands 50K	6:53:25 h	111
16.07	12h	1st Cool Moon 12 Hour Run	72.420 km	9
09.07	12h	2nd Dirty Dozen 12h Endurance Run	87.065 km	12
12.06	33mi	15th Holcomb Valley 33 Mile	8:57:49 h	80
04.06	50km	22nd Shadow of the Giants 50K	6:01:17 h	63
22.05	50km	24th Ohlone 50K Wilderness Run	7:58:40 h	135
14.05	50km	1st Warm Springs Trail Runs	8:01:30 h	2 🥈
23.04	50km	25th Ruth Anderson Ultra 50km	5:38:15 h	19
09.04	50mi	32nd American River 50 Mile Endurance Run	10:51:57 h	369
19.03	50km	3rd Diablo Trails Challenge	8:43:01 h	45
20.02	50km	1st Chabot Trail Run	6:24:05 h	35
15.01	50mi	31st Avalon Benefit 50-Mile Run	13:53:57 h	206
2010
18.12	50km	2nd Mel Williams Memorial Seashore (Seashore Nature Trail)	6:47:35 h	205
04.12	50km	9th Woodside Trail Run 50K	6:45:24 h	33
30.10	50km	1st Boggs Mountain Boogie 50K	7:23:23 h	33
23.10	24h	5th San Francisco One Day, 24h	124.724 km	18
09.10	50mi	28th Dick Collins Firetrails 50 Mile	12:39:17 h	219
26.09	50km	8th Santa Cruz Mountains 50 km	7:36:31 h	34
14.08	50km	1st Redwood Summer Trail Run	7:38:48 h	18
13.06	33mi	14th Holcomb Valley 33 Mile	9:03:13 h	92
05.06	50km	21st Shadow of the Giants 50K	7:31:18 h	70
23.05	50km	23rd Ohlone 50K Wilderness Run	7:36:21 h	123
08.05	50mi	27th Quicksilver 50 Mile Endurance Run	11:15:21 h	61
17.04	50km	24th Ruth Anderson Ultra 50km	6:46:13 h	43
10.04	50mi	31st American River 50 Mile Endurance Run	11:07:24 h	426
23.01	50km	7th Pacifica 50 km Trail Run - Winter Edition	8:03:15 h	41
2009
27.12	12h	1st Big Cat Challenge 12-Hour Run	86.904 km	5
19.12	50km	5th Rodeo Beach 50km	6:44:19 h	80
24.10	12h	4th San Francisco One Day, 12h	87.065 km	10
02.08	50km	28th Skyline 50k Endurance Run	7:13:24 h	109
06.06	50km	2nd Auburn Trail Run 50K	8:14:49 h	33
18.04	50km	23th Ruth Anderson Ultra 50km	6:08:30 h	26
21.03	50km	8th Pirates Cove Trail Run	7:14:28 h	83
08.03	50km	28th Carl Touchstone Memorial Mississippi Trail 50 km	7:08:45 h	52
2008
06.12	50km	7th Woodside Trail Run 50K	6:41:06 h	44
01.11	50mi	13th Helen Klein Ultra Classic 50mi	11:28:15 h	72
20.09	50km	1st Skyline to the Sea 50km	7:12:29 h	148
19.04	50km	22th Ruth Anderson Ultra 50km	7:01:48 h	27
20.01	50km	4th Calico Trail Run 50 km	7:02:46 h	105
2007
22.12	50km	3rd Rodeo Beach 50km	7:00:00 h	48
16.09	50km	6th Big Basin Redwoods Trail Run	7:02:32 h	20
02.09	50km	12th Run On The Sly 50 km	6:48:25 h	53
26.08	50km	2nd Redwood Park 50K Trail Run	6:32:27 h	26
05.08	50km	26th Skyline 50k Endurance Run	5:54:53 h	66
21.07	100mi	19th Vermont 100 Mile Endurance Race	25:50:40 h	81
20.05	50km	20th Ohlone 50K Wilderness Run	7:10:21 h	74
12.05	50mi	24th Quicksilver 50 Mile Endurance Run	10:48:37 h	56
21.04	50mi	15th Leona Divide 50 Mile Run	11:06:58 h	95
10.03	50km	18th Way Too Cool 50K Endurance Run	6:13:48 h	276
20.01	50km	4th Pacifica 50 km Trail Run - Winter Edition	6:50:22 h	19
2006
23.12	50km	2nd Rodeo Beach 50km	6:06:47 h	19
18.11	50mi	44th JFK 50 Mile	9:58:18 h	382
04.11	50km	11th Helen Klein Ultra Classic 50km	5:19:49 h	25
07.10	50mi	24th Dick Collins Firetrails 50 Mile	10:38:18 h	90
17.07	50km	3rd Salt Point Trail Run	6:36:56 h	4
15.07	50km	8th Siskiyou Out Back 50 km Trail Run	6:30:19 h	76
01.07	50km	4th Angel Island 50k	5:59:18 h	14
13.05	50km	25th Ice Age Trail 50 km Run	5:32:26 h	45
01.04	50mi	27th American River 50 Mile Endurance Run	10:39:58 h	269

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/3/2014	2nd Razorback 100 Mile Endurance Race	160,93	×3
✓ 2	24/8/2013	9th Lean Horse Ultra-Marathon 100 Mile	160,93	×3
✓ 3	6/4/2013	19th Umstead Endurance Run 100 Miles	160,93	×3
✓ 4	6/10/2012	22nd Arkansas Traveller 100	160,93	×3
✓ 5	23/3/2012	7th Antelope Island Buffalo Run 100 Mile	160,93	×3
✓ 6	8/10/2011	12th Heartland 100 Mile Race	160,93	×3
✓ 7	21/7/2007	19th Vermont 100 Mile Endurance Race	160,93	×3
✓ 8	31/12/2011	2nd New Years One Day 24 Hour Run	151,97	×2
✓ 9	23/10/2010	5th San Francisco One Day, 24h	124,72	×2
✓ 10	31/12/2013	4th New Years One Day 24 Hour Run	107,57	×2
✓ 11	7/9/2012	4th Run Woodstock - 100 km Hallucination Run	100,00	×1
✓ 12	25/2/2012	Tule Springs 12 Hour Peacock Run	93,34	×1
✓ 13	15/2/2014	1st Jackpot Ultra Running Festival 12 Hour Race	88,16	×1
✓ 14	9/7/2011	2nd Dirty Dozen 12h Endurance Run	87,07	×1
✓ 15	24/10/2009	4th San Francisco One Day, 12h	87,07	×1
✓ 16	27/12/2009	1st Big Cat Challenge 12-Hour Run	86,90	×1
✓ 17	24/9/2011	25th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 18	5/4/2014	35th American River 50 Mile Endurance Run	80,47	×1
✓ 19	11/1/2014	34th Avalon Benefit 50-Mile Run	80,47	×1
✓ 20	3/8/2013	1st San Francisco 50 Mile Endurance Run	80,47	×1
✓ 21	16/3/2013	1st Beyond Limits Ultra Race 50mi	80,47	×1
✓ 22	19/1/2013	1st San Diego 50 Mile Trail (USA)	80,47	×1
✓ 23	29/4/2012	38th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 24	21/4/2012	26th Ruth Anderson Ultra 50mi	80,47	×1
✓ 25	9/4/2011	32nd American River 50 Mile Endurance Run	80,47	×1
✓ 26	15/1/2011	31st Avalon Benefit 50-Mile Run	80,47	×1
✓ 27	9/10/2010	28th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	8/5/2010	27th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 29	10/4/2010	31st American River 50 Mile Endurance Run	80,47	×1
✓ 30	1/11/2008	13th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 31	12/5/2007	24th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 32	21/4/2007	15th Leona Divide 50 Mile Run	80,47	×1
✓ 33	18/11/2006	44th JFK 50 Mile	80,47	×1
✓ 34	7/10/2006	24th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 35	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 36	31/12/2015	6th New Years One Day 12 Hour Run	77,13	×1
✓ 37	12/7/2014	5th Dirty Dozen 12h Endurance Run	73,93	×1
✓ 38	16/7/2011	1st Cool Moon 12 Hour Run	72,42	×1
✓ 39	17/5/2015	Dukeries Ultra 40 Mile	64,37	×1
✓ 40	18/2/2012	1st Folsom South Side Trail Run 38 Miles	61,16	×1
✓ 41	12/6/2011	15th Holcomb Valley 33 Mile	53,11	×1
✓ 42	13/6/2010	14th Holcomb Valley 33 Mile	53,11	×1
✓ 43	15/1/2022	12th Coldwater Rumble 52K Race	52,00	—
✓ 44	27/8/2011	12th Tamalpa Headlands 50K	50,69	—
✓ 45	11/10/2025	39th Ruth Anderson Ultra 50km	50,00	—
✓ 46	9/2/2019	1st Grandmaster Ultras 50 km Run	50,00	—
✓ 47	14/5/2016	3rd Gold Rush 50k	50,00	—
✓ 48	13/2/2016	18th Pemberton Trail 50 km	50,00	—
✓ 49	3/8/2014	33rd Skyline 50k Endurance Run	50,00	—
✓ 50	19/4/2014	28th Ruth Anderson Ultra 50km	50,00	—
51	9/11/2013	2nd Lake Chabot 50 km Trail Run	50,00	—
52	12/10/2013	Durango Double 50K	50,00	—
53	28/9/2013	2nd Berkeley Trail Adventure	50,00	—
54	11/8/2013	32nd Skyline 50k Endurance Run	50,00	—
55	8/6/2013	24th Shadow of the Giants 50K	50,00	—
56	20/4/2013	5th Diablo Trails Challenge	50,00	—
57	9/2/2013	3rd American Canyon Ultramarathon	50,00	—
58	15/12/2012	1st Woodside Ramble 50K - Winter	50,00	—
59	2/9/2012	3rd Coyote Ridge 50 km Trail Run	50,00	—
60	14/7/2012	2nd Golden Gate 50 km Summer Trail Run	50,00	—
61	20/5/2012	25th Ohlone 50K Wilderness Run	50,00	—
62	12/5/2012	29th Quicksilver 50 km Endurance Run	50,00	—
63	7/4/2012	1st Grizzly Peak 50k	50,00	—
64	31/3/2012	13th Chicago Lakefront Spring 50km Race	50,00	—
65	11/2/2012	2nd Golden Gate 50 km Winter Trail Run	50,00	—
66	4/2/2012	34th Jed Smith Ultra Classic - 50 km Race	50,00	—
67	17/12/2011	3rd Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
68	31/10/2011	1st Lake Chabot 50 km Trail Run	50,00	—
69	22/10/2011	12th Whiskeytown 50km Trail Run	50,00	—
70	16/10/2011	2nd Boggs Mountain Boogie 50K	50,00	—
71	17/9/2011	2nd Diablo 50 km Trail Run	50,00	—
72	4/6/2011	22nd Shadow of the Giants 50K	50,00	—
73	22/5/2011	24th Ohlone 50K Wilderness Run	50,00	—
74	14/5/2011	1st Warm Springs Trail Runs	50,00	—
75	23/4/2011	25th Ruth Anderson Ultra 50km	50,00	—
76	19/3/2011	3rd Diablo Trails Challenge	50,00	—
77	20/2/2011	1st Chabot Trail Run	50,00	—
78	18/12/2010	2nd Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
79	4/12/2010	9th Woodside Trail Run 50K	50,00	—
80	30/10/2010	1st Boggs Mountain Boogie 50K	50,00	—
81	26/9/2010	8th Santa Cruz Mountains 50 km	50,00	—
82	14/8/2010	1st Redwood Summer Trail Run	50,00	—
83	5/6/2010	21st Shadow of the Giants 50K	50,00	—
84	23/5/2010	23rd Ohlone 50K Wilderness Run	50,00	—
85	17/4/2010	24th Ruth Anderson Ultra 50km	50,00	—
86	23/1/2010	7th Pacifica 50 km Trail Run - Winter Edition	50,00	—
87	19/12/2009	5th Rodeo Beach 50km	50,00	—
88	2/8/2009	28th Skyline 50k Endurance Run	50,00	—
89	6/6/2009	2nd Auburn Trail Run 50K	50,00	—
90	18/4/2009	23th Ruth Anderson Ultra 50km	50,00	—
91	21/3/2009	8th Pirates Cove Trail Run	50,00	—
92	8/3/2009	28th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	—
93	6/12/2008	7th Woodside Trail Run 50K	50,00	—
94	20/9/2008	1st Skyline to the Sea 50km	50,00	—
95	19/4/2008	22th Ruth Anderson Ultra 50km	50,00	—
96	20/1/2008	4th Calico Trail Run 50 km	50,00	—
97	22/12/2007	3rd Rodeo Beach 50km	50,00	—
98	16/9/2007	6th Big Basin Redwoods Trail Run	50,00	—
99	2/9/2007	12th Run On The Sly 50 km	50,00	—
100	26/8/2007	2nd Redwood Park 50K Trail Run	50,00	—
101	5/8/2007	26th Skyline 50k Endurance Run	50,00	—
102	20/5/2007	20th Ohlone 50K Wilderness Run	50,00	—
103	10/3/2007	18th Way Too Cool 50K Endurance Run	50,00	—
104	20/1/2007	4th Pacifica 50 km Trail Run - Winter Edition	50,00	—
105	23/12/2006	2nd Rodeo Beach 50km	50,00	—
106	4/11/2006	11th Helen Klein Ultra Classic 50km	50,00	—
107	17/7/2006	3rd Salt Point Trail Run	50,00	—
108	15/7/2006	8th Siskiyou Out Back 50 km Trail Run	50,00	—
109	1/7/2006	4th Angel Island 50k	50,00	—
110	13/5/2006	25th Ice Age Trail 50 km Run	50,00	—