Jonathan Bretan

Born : 1982 Cat. M40 Ultrarunner since 2009

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 ?

France

United States

24,4%

Rank quotient ?This runner's calculation uses 76 eligible race(s): Σ(rank − 1) = 5 634; Σ finishers = 23 107. 5 634 / 23 107 × 100 = 24.38%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed76

Km — ultra races5 951 km

> 100 km8

> 160 km7

Longest race170,0 km

14ème Ultra Trail Tour du Mont Blanc (UTMB) — 26/8/2016

Km per year (ultra races)

293

2022

280

2023

472

2024

230

2025

200

2026

Race types (share of distance)

Road7,4%

Trail92,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

50 km4h04'27 100 km11h45'54 50 mi7h42'12 100 mi22h38'09

HISTORY

76 race(s)

Date		Race	Perf.	Rk
2026
02.05	100km	29th Miwok 100k Trail Race	13:50:36 h	190
21.03	100km	3rd The Big Alta	14:56:18 h	158
2025
07.12	50mi	17th Hunter S. Thompson Fear & Loathing 50 Miles	11:29:57 h	25
03.05	100km	28th Miwok 100k Trail Race	13:38:16 h	125
22.03	50km	2nd The Big Alta	5:42:20 h	98
2024
12.10	50mi	38th Ruth Anderson Ultra 50mi	7:54:43 h	4
29.06	100mi	51st Western States 100 Mile Endurance Run	23:48:34 h	105
04.05	100km	27th Miwok 100k Trail Race	14:58:11 h	170
09.03	50mi	12th Marin Ultra Challenge 50 Mile Race	9:58:26 h	23
24.02	50km	1st The Big Alta	5:40:21 h	49
2023
05.08	50mi	1st The Kauai 50 Miler	10:38:14 h	35
16.07	50km	5th Big Chief 50K Trail Run	6:58:07 h	44
06.05	100km	26th Miwok 100k Trail Race	13:23:00 h	102
04.03	50km	33rd Way Too Cool 50K Endurance Run	5:46:52 h	119
2022
26.11	28mi	37th Quad Dipsea Trail Run	5:55:34 h	69
17.07	50km	4th Big Chief 50K Trail Run	6:02:53 h	25
18.06	48km	7th The Broken Arrow Skyrace	8:19:02 h	254
07.05	100km	25th Miwok 100k Trail Race	13:45:23 h	105
16.04	50km	7th Woodside Purisima Creek Crossover	5:55:27 h	15
2021
23.10	50km	38th Quicksilver 50 km Endurance Run	5:25:51 h	25
14.08	100km	7th Castle Peak 100	19:55:12 h	93
01.08	50km	40th Skyline 50k Endurance Run	5:24:36 h	35
16.05	50km	1st Tamalpa 50K	4:31:48 h	8
2020
07.03	50km	31st Way Too Cool 50K Endurance Run	4:54:02 h	94
2019
12.10	72mi	24th Tahoe Midnight Express Ultra 72 Miler	16:06:17 h	3 🥉
11.05	100km	36th Quicksilver 100 km Endurance Run	15:31:33 h	102
04.05	100km	24th Miwok 100k Trail Race	13:57:30 h	141
02.03	50km	30th Way Too Cool 50K Endurance Run	5:14:15 h	115
2018
08.12	50km	14th Rodeo Beach 50km	5:52:41 h	25
05.05	100km	23nd Miwok 100k Trail Race	14:16:50 h	181
03.03	50km	29th Way Too Cool 50K Endurance Run	5:41:44 h	176
2017
26.08	31.5mi	18th Tamalpa Headlands 50K	6:41:41 h	49
15.07	100mi	16th Tahoe Rim Trail 100M Endurance Run	31:45:42 h	102
13.05	100km	34th Quicksilver 100 km Endurance Run	12:56:52 h	34
04.03	50km	28th Way Too Cool 50K Endurance Run	4:41:49 h	71
2016
26.11	28mi	32nd Quad Dipsea Trail Run	5:47:10 h	42
26.08	170km	14ème Ultra Trail Tour du Mont Blanc	42:04:31 h	803
23.07	50mi	18th Siskiyou Out Back 50 Miles Trail Run	9:52:35 h	26
14.05	100km	33rd Quicksilver 100 km Endurance Run	12:04:06 h	16
09.04	50mi	8th Lake Sonoma 50 Mile Race	9:02:36 h	67
05.03	50km	27th Way Too Cool 50K Endurance Run	4:37:06 h	77
2015
12.12	50km	11th Rodeo Beach 50km	4:41:22 h	4
29.08	31.5mi	16th Tamalpa Headlands 50K	5:13:24 h	47
01.08	100mi	28th Angeles Crest 100 Mile	29:18:05 h	45
02.05	100km	20th Miwok 100k Trail Race	12:00:00 h	62
07.03	50km	26th Way Too Cool 50K Endurance Run	4:18:59 h	71
07.02	50km	37th Jed Smith Ultra Classic - 50 km Race	4:11:27 h	16
2014
06.12	50mi	8th Endurance Challenge - California Trail 50 Mile	8:56:23 h	110
19.07	50mi	13th Tahoe Rim Trail 50M Endurance Run	10:48:47 h	18
03.05	100km	19th Miwok 100k Trail Race	11:56:14 h	44
12.04	50mi	6th Lake Sonoma 50 Mile Race	10:05:30 h	125
05.04	50mi	35th American River 50 Mile Endurance Run	8:42:37 h	94
08.03	50km	25th Way Too Cool 50K Endurance Run	4:09:47 h	26
01.02	50km	36th Jed Smith Ultra Classic - 50 km Race	4:04:27 h	13
2013
07.12	50mi	7th Endurance Challenge - California Trail 50 Mile	9:23:39 h	87
26.10	50km	8th Stinson Beach 50 km	5:53:49 h	10
24.08	31.5mi	14th Tamalpa Headlands 50K	5:24:11 h	27
20.07	100mi	12th Tahoe Rim Trail 100M Endurance Run	31:13:13 h	75
13.04	50mi	5th Lake Sonoma 50 Mile Race	9:26:56 h	72
09.03	50km	24th Way Too Cool 50K Endurance Run	4:20:34 h	46
2012
25.08	31.5mi	13th Tamalpa Headlands 50K	5:00:23 h	18
21.07	100mi	24th Vermont 100 Mile Endurance Race	22:38:09 h	84
05.05	100km	17th Miwok 100k Trail race	13:03:33 h	76
07.04	50mi	33rd American River 50 Mile Endurance Run	7:42:12 h	41
10.03	50km	23rd Way Too Cool 50K Endurance Run	4:16:14 h	44
04.02	50km	34th Jed Smith Ultra Classic - 50 km Race	4:10:59 h	17
2011
26.11	28mi	27th Quad Dipsea Trail Run	5:08:49 h	25
27.08	31.5mi	12th Tamalpa Headlands 50K	5:25:07 h	31
16.07	100mi	10th Tahoe Rim Trail 100M Endurance Run	28:52:21 h	27
07.05	100km	16th Miwok 100k Trail race	11:45:54 h	90
09.04	50mi	32nd American River 50 Mile Endurance Run	7:46:50 h	44
12.03	50km	22nd Way Too Cool 50K Endurance Run	4:33:33 h	64
2010
27.11	28mi	26th Quad Dipsea Trail Run	5:38:30 h	43
06.11	50mi	15th Helen Klein Ultra Classic 50 Mile	8:13:27 h	6
10.04	50mi	31st American River 50 Mile Endurance Run	8:25:26 h	78
2009
31.10	50mi	14th Helen Klein Ultra Classic 50mi	8:57:53 h	30

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	26/8/2016	14ème Ultra Trail Tour du Mont Blanc (UTMB)	170,00	×3
✓ 2	29/6/2024	51st Western States 100 Mile Endurance Run	160,93	×3
✓ 3	15/7/2017	16th Tahoe Rim Trail 100M Endurance Run	160,93	×3
✓ 4	1/8/2015	28th Angeles Crest 100 Mile	160,93	×3
✓ 5	20/7/2013	12th Tahoe Rim Trail 100M Endurance Run	160,93	×3
✓ 6	21/7/2012	24th Vermont 100 Mile Endurance Race	160,93	×3
✓ 7	16/7/2011	10th Tahoe Rim Trail 100M Endurance Run	160,93	×3
✓ 8	12/10/2019	24th Tahoe Midnight Express Ultra 72 Miler	115,87	×2
✓ 9	2/5/2026	29th Miwok 100k Trail Race	100,00	×1
✓ 10	21/3/2026	3rd The Big Alta	100,00	×1
✓ 11	3/5/2025	28th Miwok 100k Trail Race	100,00	×1
✓ 12	4/5/2024	27th Miwok 100k Trail Race	100,00	×1
✓ 13	6/5/2023	26th Miwok 100k Trail Race	100,00	×1
✓ 14	7/5/2022	25th Miwok 100k Trail Race	100,00	×1
✓ 15	14/8/2021	7th Castle Peak 100	100,00	×1
✓ 16	11/5/2019	36th Quicksilver 100 km Endurance Run	100,00	×1
✓ 17	4/5/2019	24th Miwok 100k Trail Race	100,00	×1
✓ 18	5/5/2018	23nd Miwok 100k Trail Race	100,00	×1
✓ 19	13/5/2017	34th Quicksilver 100 km Endurance Run	100,00	×1
✓ 20	14/5/2016	33rd Quicksilver 100 km Endurance Run	100,00	×1
✓ 21	2/5/2015	20th Miwok 100k Trail Race	100,00	×1
✓ 22	3/5/2014	19th Miwok 100k Trail Race	100,00	×1
✓ 23	5/5/2012	17th Miwok 100k Trail race	100,00	×1
✓ 24	7/5/2011	16th Miwok 100k Trail race	100,00	×1
✓ 25	7/12/2025	17th Hunter S. Thompson Fear & Loathing 50 Miles	80,47	×1
✓ 26	12/10/2024	38th Ruth Anderson Ultra 50mi	80,47	×1
✓ 27	9/3/2024	12th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 28	5/8/2023	1st The Kauai 50 Miler	80,47	×1
✓ 29	23/7/2016	18th Siskiyou Out Back 50 Miles Trail Run	80,47	×1
✓ 30	9/4/2016	8th Lake Sonoma 50 Mile Race	80,47	×1
✓ 31	6/12/2014	8th Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 32	19/7/2014	13th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 33	12/4/2014	6th Lake Sonoma 50 Mile Race	80,47	×1
✓ 34	5/4/2014	35th American River 50 Mile Endurance Run	80,47	×1
✓ 35	7/12/2013	7th Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 36	13/4/2013	5th Lake Sonoma 50 Mile Race	80,47	×1
✓ 37	7/4/2012	33rd American River 50 Mile Endurance Run	80,47	×1
✓ 38	9/4/2011	32nd American River 50 Mile Endurance Run	80,47	×1
✓ 39	6/11/2010	15th Helen Klein Ultra Classic 50 Mile	80,47	×1
✓ 40	10/4/2010	31st American River 50 Mile Endurance Run	80,47	×1
✓ 41	31/10/2009	14th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 42	26/8/2017	18th Tamalpa Headlands 50K	50,69	—
✓ 43	29/8/2015	16th Tamalpa Headlands 50K	50,69	—
✓ 44	24/8/2013	14th Tamalpa Headlands 50K	50,69	—
✓ 45	25/8/2012	13th Tamalpa Headlands 50K	50,69	—
✓ 46	27/8/2011	12th Tamalpa Headlands 50K	50,69	—
✓ 47	22/3/2025	2nd The Big Alta	50,00	—
✓ 48	24/2/2024	1st The Big Alta	50,00	—
✓ 49	16/7/2023	5th Big Chief 50K Trail Run	50,00	—
✓ 50	4/3/2023	33rd Way Too Cool 50K Endurance Run	50,00	—
51	17/7/2022	4th Big Chief 50K Trail Run	50,00	—
52	16/4/2022	7th Woodside Purisima Creek Crossover	50,00	—
53	23/10/2021	38th Quicksilver 50 km Endurance Run	50,00	—
54	1/8/2021	40th Skyline 50k Endurance Run	50,00	—
55	16/5/2021	1st Tamalpa 50K	50,00	—
56	7/3/2020	31st Way Too Cool 50K Endurance Run	50,00	—
57	2/3/2019	30th Way Too Cool 50K Endurance Run	50,00	—
58	8/12/2018	14th Rodeo Beach 50km	50,00	—
59	3/3/2018	29th Way Too Cool 50K Endurance Run	50,00	—
60	4/3/2017	28th Way Too Cool 50K Endurance Run	50,00	—
61	5/3/2016	27th Way Too Cool 50K Endurance Run	50,00	—
62	12/12/2015	11th Rodeo Beach 50km	50,00	—
63	7/3/2015	26th Way Too Cool 50K Endurance Run	50,00	—
64	7/2/2015	37th Jed Smith Ultra Classic - 50 km Race	50,00	—
65	8/3/2014	25th Way Too Cool 50K Endurance Run	50,00	—
66	1/2/2014	36th Jed Smith Ultra Classic - 50 km Race	50,00	—
67	26/10/2013	8th Stinson Beach 50 km	50,00	—
68	9/3/2013	24th Way Too Cool 50K Endurance Run	50,00	—
69	10/3/2012	23rd Way Too Cool 50K Endurance Run	50,00	—
70	4/2/2012	34th Jed Smith Ultra Classic - 50 km Race	50,00	—
71	12/3/2011	22nd Way Too Cool 50K Endurance Run	50,00	—
72	18/6/2022	7th The Broken Arrow Skyrace	48,00	—
73	26/11/2022	37th Quad Dipsea Trail Run	45,06	—
74	26/11/2016	32nd Quad Dipsea Trail Run	45,06	—
75	26/11/2011	27th Quad Dipsea Trail Run	45,06	—
76	27/11/2010	26th Quad Dipsea Trail Run	45,06	—