John Catts

Born : 1953 Cat. M70 Ultrarunner since 1996

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

Italy

United States

30,2%

Rank quotient ?This runner's calculation uses 70 eligible race(s): Σ(rank − 1) = 5 785; Σ finishers = 19 153. 5 785 / 19 153 × 100 = 30.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed70

Km — ultra races4 827 km

> 100 km6

> 160 km5

Longest race168,0 km

12ème Ultra Trail Tour du Mont Blanc (UTMB) — 29/8/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road5,2%

Trail94,8%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M3

Longest winning streak0

Current streak0

Records

50 km4h04'29 100 km10h53'18 50 mi7h31'59 100 mi22h36'17

HISTORY

70 race(s)

Date		Race	Perf.	Rk
2025
29.11	28.4mi	40th Quad Dipsea Trail Run	8:41:24 h	249
2023
29.04	50.1km	10th The Canyons Endurance 50 km Run	8:02:56 h	317
2021
21.08	100km	20th Waldo 100K Trail Run	18:50:57 h	88
01.08	50km	40th Skyline 50k Endurance Run	6:53:46 h	106
2017
26.08	31.5mi	18th Tamalpa Headlands 50K	7:06:41 h	65
15.04	50mi	9th Lake Sonoma 50 Mile Race	11:19:40 h	150
04.03	50km	28th Way Too Cool 50K Endurance Run	5:42:48 h	232
2016
26.11	28mi	32nd Quad Dipsea Trail Run	6:41:07 h	119
2015
18.10	50km	2nd Overlook Endurance Run 50K	5:08:56 h	14
04.04	50mi	36th American River 50 Mile Endurance Run	8:47:04 h	67
2014
29.08	168km	12ème Ultra Trail Tour du Mont Blanc	40:44:54 h	760
12.04	50mi	6th Lake Sonoma 50 Mile Race	9:44:46 h	100
15.03	50km	22nd Chuckanut 50K	5:45:54 h	138
2013
11.08	50km	32nd Skyline 50k Endurance Run	5:16:16 h	60
29.06	100mi	40th Western States 100 Mile Endurance Run	28:53:02 h	221
13.04	50mi	5th Lake Sonoma 50 Mile Race	9:58:12 h	108
09.03	50km	24th Way Too Cool 50K Endurance Run	5:05:27 h	181
02.02	50km	35th Jed Smith Ultra Classic - 50 km Race	4:24:14 h	24
2012
17.11	50mi	50th JFK 50 Mile	10:31:02 h	542
13.10	50mi	30th Dick Collins Firetrails 50 Mile	9:52:53 h	77
30.08	114km	3ème Sur les Traces des Ducs de Savoie	28:21:28 h	401
2011
12.11	50km	1st Last Chance 50 km	4:24:29 h	5
22.10	50km	12th Whiskeytown 50km Trail Run	6:28:01 h	27
16.07	100mi	23rd Vermont 100 Mile Endurance Race	25:07:01 h	121
25.06	100mi	38th Western States 100 Mile Endurance Run	28:20:45 h	236
07.05	100km	16th Miwok 100k Trail race	12:09:48 h	111
2010
27.11	28mi	26th Quad Dipsea Trail Run	5:55:25 h	61
23.05	50km	23rd Ohlone 50K Wilderness Run	6:29:10 h	65
15.05	50km	25th Silver State 50 km	5:51:18 h	21
08.05	50km	27th Quicksilver 50 km Endurance Run	5:13:32 h	20
27.03	50mi	3rd Lake Sonoma 50 Mile Race	10:13:41 h	53
2009
28.11	28mi	25th Quad Dipsea Trail Run	5:31:49 h	31
31.10	50mi	14th Helen Klein Ultra Classic 50mi	8:00:35 h	16
24.10	50km	10th Whiskeytown 50km Trail Run	5:30:17 h	6
10.10	50mi	27th Dick Collins Firetrails 50 Mile	8:49:48 h	40
18.07	100mi	21st Vermont 100 Mile Endurance Race	22:36:17 h	41
02.05	100km	14th Miwok 100k Trail race	10:57:09 h	44
04.04	50mi	30th American River 50 Mile Endurance Run	7:54:50 h	56
14.03	50km	20th Way Too Cool 50K Endurance Run	5:13:50 h	141
2008
11.10	50mi	26th Dick Collins Firetrails 50 Mile	8:52:07 h	29
23.08	31.5mi	11th Tamalpa Headlands 50K	5:22:47 h	11
08.03	50km	19th Way Too Cool 50K Endurance Run	4:44:00 h	91
02.02	50km	30th Jed Smith Ultra Classic - 50 km Race	4:17:48 h	16
2006
07.10	50mi	24th Dick Collins Firetrails 50 Mile	8:31:55 h	15
11.03	50km	17th Way Too Cool 50K Endurance Run	4:30:13 h	32
2004
06.11	50mi	9th Helen Klein Ultra Classic 50mi	7:31:59 h	11
23.10	50km	5th Whiskeytown 50km Trail Run	5:02:53 h	5
09.10	50mi	22nd Dick Collins Firetrails 50 Mile	8:27:53 h	16
18.09	53.2mi	18th Sierra Nevada Endurance 53 Mile Run	8:56:57 h	5
16.05	50km	17th Ohlone 50K Wilderness Run	5:52:41 h	13
01.05	100km	9th Miwok 100k Trail race	10:53:18 h	27
17.04	50km	18th Ruth Anderson Ultra 50km	4:17:11 h	3 🥉
13.03	50km	15th Way Too Cool 50K Endurance Run	4:26:42 h	33
2003
29.11	28mi	19th Quad Dipsea Trail Run	5:01:19 h	22
23.08	31.5mi	6th Tamalpa Headlands 50K	5:04:36 h	39
05.04	50mi	24th American River 50 Mile Endurance Run	7:36:24 h	38
23.03	36.2mi	26th Haleakala Run to the Sun	7:10:07 h	11
08.03	50km	14th Way Too Cool 50K Endurance Run	4:21:45 h	43
2002
09.03	50km	13th Way Too Cool 50K Endurance Run	4:32:23 h	48
2001
12.05	50km	18th Quicksilver 50 km Endurance Run	4:34:02 h	7
10.03	50km	12th Way Too Cool 50K Endurance Run	4:51:11 h	63
2000
25.11	28mi	16th Quad Dipsea Trail Run	4:50:38 h	13
14.10	50mi	18th Dick Collins Firetrails 50 Mile	8:14:52 h	6
26.08	31.5mi	3rd Tamalpa Headlands 50K	4:47:48 h	8
12.02	50km	22nd Jed Smith Ultra Classic - 50 km Race	4:04:29 h	18
1999
28.08	31.5mi	2nd Tamalpa Headlands 50K	4:48:20 h	10
07.08	50km	18th Skyline 50k Endurance Run	4:40:01 h	23
13.03	50km	10th Way Too Cool 50K Endurance Run	4:33:02 h	41
1998
28.11	28mi	14th Quad Dipsea Trail Run	5:03:49 h	18
1996
24.08	50km	2nd Point Reyes 50K	5:07:12 h	26

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	29/8/2014	12ème Ultra Trail Tour du Mont Blanc (UTMB)	168,00	×3
✓ 2	29/6/2013	40th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	16/7/2011	23rd Vermont 100 Mile Endurance Race	160,93	×3
✓ 4	25/6/2011	38th Western States 100 Mile Endurance Run	160,93	×3
✓ 5	18/7/2009	21st Vermont 100 Mile Endurance Race	160,93	×3
✓ 6	30/8/2012	3ème Sur les Traces des Ducs de Savoie (TDS)	114,00	×2
✓ 7	21/8/2021	20th Waldo 100K Trail Run	100,00	×2
✓ 8	7/5/2011	16th Miwok 100k Trail race	100,00	×2
✓ 9	2/5/2009	14th Miwok 100k Trail race	100,00	×2
✓ 10	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 11	18/9/2004	18th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 12	15/4/2017	9th Lake Sonoma 50 Mile Race	80,47	×1
✓ 13	4/4/2015	36th American River 50 Mile Endurance Run	80,47	×1
✓ 14	12/4/2014	6th Lake Sonoma 50 Mile Race	80,47	×1
✓ 15	13/4/2013	5th Lake Sonoma 50 Mile Race	80,47	×1
✓ 16	17/11/2012	50th JFK 50 Mile	80,47	×1
✓ 17	13/10/2012	30th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 18	27/3/2010	3rd Lake Sonoma 50 Mile Race	80,47	×1
✓ 19	31/10/2009	14th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 20	10/10/2009	27th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 21	4/4/2009	30th American River 50 Mile Endurance Run	80,47	×1
✓ 22	11/10/2008	26th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 23	7/10/2006	24th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 24	6/11/2004	9th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 25	9/10/2004	22nd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 26	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 27	14/10/2000	18th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	23/3/2003	26th Haleakala Run to the Sun	58,26	×1
✓ 29	26/8/2017	18th Tamalpa Headlands 50K	50,69	×1
✓ 30	23/8/2008	11th Tamalpa Headlands 50K	50,69	×1
✓ 31	23/8/2003	6th Tamalpa Headlands 50K	50,69	×1
✓ 32	26/8/2000	3rd Tamalpa Headlands 50K	50,69	×1
✓ 33	28/8/1999	2nd Tamalpa Headlands 50K	50,69	×1
✓ 34	29/4/2023	10th The Canyons Endurance 50 km Run	50,10	×1
✓ 35	1/8/2021	40th Skyline 50k Endurance Run	50,00	×1
✓ 36	4/3/2017	28th Way Too Cool 50K Endurance Run	50,00	×1
✓ 37	18/10/2015	2nd Overlook Endurance Run 50K	50,00	×1
✓ 38	15/3/2014	22nd Chuckanut 50K	50,00	×1
✓ 39	11/8/2013	32nd Skyline 50k Endurance Run	50,00	×1
✓ 40	9/3/2013	24th Way Too Cool 50K Endurance Run	50,00	×1
✓ 41	2/2/2013	35th Jed Smith Ultra Classic - 50 km Race	50,00	×1
✓ 42	12/11/2011	1st Last Chance 50 km	50,00	×1
✓ 43	22/10/2011	12th Whiskeytown 50km Trail Run	50,00	×1
✓ 44	23/5/2010	23rd Ohlone 50K Wilderness Run	50,00	×1
✓ 45	15/5/2010	25th Silver State 50 km	50,00	×1
✓ 46	8/5/2010	27th Quicksilver 50 km Endurance Run	50,00	×1
✓ 47	24/10/2009	10th Whiskeytown 50km Trail Run	50,00	×1
✓ 48	14/3/2009	20th Way Too Cool 50K Endurance Run	50,00	×1
✓ 49	8/3/2008	19th Way Too Cool 50K Endurance Run	50,00	×1
✓ 50	2/2/2008	30th Jed Smith Ultra Classic - 50 km Race	50,00	×1
51	11/3/2006	17th Way Too Cool 50K Endurance Run	50,00	×1
52	23/10/2004	5th Whiskeytown 50km Trail Run	50,00	×1
53	16/5/2004	17th Ohlone 50K Wilderness Run	50,00	×1
54	17/4/2004	18th Ruth Anderson Ultra 50km	50,00	×1
55	13/3/2004	15th Way Too Cool 50K Endurance Run	50,00	×1
56	8/3/2003	14th Way Too Cool 50K Endurance Run	50,00	×1
57	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	×1
58	12/5/2001	18th Quicksilver 50 km Endurance Run	50,00	×1
59	10/3/2001	12th Way Too Cool 50K Endurance Run	50,00	×1
60	12/2/2000	22nd Jed Smith Ultra Classic - 50 km Race	50,00	×1
61	7/8/1999	18th Skyline 50k Endurance Run	50,00	×1
62	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	×1
63	24/8/1996	2nd Point Reyes 50K	50,00	×1
64	29/11/2025	40th Quad Dipsea Trail Run	45,71	—
65	26/11/2016	32nd Quad Dipsea Trail Run	45,06	—
66	27/11/2010	26th Quad Dipsea Trail Run	45,06	—
67	28/11/2009	25th Quad Dipsea Trail Run	45,06	—
68	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
69	25/11/2000	16th Quad Dipsea Trail Run	45,06	—
70	28/11/1998	14th Quad Dipsea Trail Run	45,06	—