John Chin

ID 119148

Born : 1958 Cat. M65 Ultrarunner since 1994

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

62,4%

Rank quotient ?This runner's calculation uses 59 eligible race(s): Σ(rank − 1) = 4 784; Σ finishers = 7 663. 4 784 / 7 663 × 100 = 62.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed59

Km — ultra races3 904 km

> 100 km2

> 160 km2

Longest race160,9 km

4th Grandmaster Ultras 100 Mile Run — 11/2/2022

Km per year (ultra races)

391

2022

280

2023

2024

2025

2026

Race types (share of distance)

Road9,0%

Trail91,0%

Records

50 km5h26'28 100 km14h35'39 50 mi9h35'00 100 mi29h45'27

HISTORY

59 race(s)

Date		Race	Perf.	Rk
2025
11.01	50mi	45th Avalon Benefit 50 Mile Run	13:05:16 h	266
2024
06.01	50mi	44th Avalon Benefit 50 Mile Run	13:31:32 h	301
2023
09.12	50km	37th OTHTC High Desert 50K Ultra	7:06:30 h	56
23.09	50km	4th That's No Moon Ultras 50K	8:28:57 h	34
30.06	100km	14th Orange Curtain 100km Ultra Race	16:26:23 h	10
07.01	50mi	43th Avalon Benefit 50 Mile Run	11:33:02 h	197
2022
20.08	50km	12th Kodiak Back 50 km Ultramarathon	9:48:59 h	174
24.06	100km	13th Orange Curtain 100km Ultra Race	14:35:39 h	7
11.02	100mi	4th Grandmaster Ultras 100 Mile Run	29:45:27 h	13
08.01	50mi	42th Avalon Benefit 50 Mile Run	11:05:32 h	133
2021
05.12	50km	35th OTHTC High Desert 50K Ultra	6:45:13 h	60
16.07	100km	12th Orange Curtain 100km Ultra Race	14:47:52 h	9
2020
29.02	50km	11th Orange Curtain 50km Ultra Race	6:39:28 h	24
11.01	50mi	40th Avalon Benefit 50 Mile Run	12:46:29 h	193
2019
09.11	50km	9th Chino Hills 50K Race	8:44:43 h	71
06.07	50km	14th Angeles National Forest 50k Trail Race	9:58:04 h	92
12.01	50mi	39th Avalon Benefit 50 Mile Run	11:48:32 h	181
2018
03.03	50km	2nd Griffith Park Trail Marathon	6:33:54 h	53
20.01	50mi	38th Avalon Benefit 50-Mile Run	11:15:17 h	101
2017
08.07	50km	12th Angeles National Forest 50k Trail Race	9:28:43 h	93
07.01	50mi	37th Avalon Benefit 50-Mile Run	11:13:52 h	124
2016
09.07	50km	11th Angeles National Forest 50k Trail Race	8:28:00 h	60
09.01	50mi	36th Avalon Benefit 50-Mile Run	11:33:56 h	144
2015
11.07	50km	10th Angeles National Forest 50k Trail Race	7:55:46 h	60
25.01	50km	11th Calico Trail Run 50 km	7:12:30 h	65
10.01	50mi	35th Avalon Benefit 50-Mile Run	11:11:02 h	123
2014
08.11	50km	4th Bootlegger 50K	7:49:10 h	24
23.08	50km	23rd Bulldog 50k Ultra Run	7:15:54 h	140
11.01	50mi	34th Avalon Benefit 50-Mile Run	11:49:29 h	209
2013
09.11	50km	3rd Chino Hills 50K Race	7:38:05 h	61
13.01	50mi	33rd Avalon Benefit 50-Mile Run	11:42:55 h	195
2012
11.08	50km	8th Angeles National Forest 50k Trail Race	8:29:17 h	49
21.07	100mi	25th Angeles Crest 100 Mile	30:48:50 h	54
10.06	33mi	16th Holcomb Valley 33 Mile	7:00:02 h	39
28.04	50mi	20th Leona Divide 50 Mile Run	10:35:27 h	105
2011
05.11	50km	1st Bootlegger 50K	6:55:45 h	30
13.08	50km	7th Angeles National Forest 50k Trail Race	7:53:55 h	67
15.01	50mi	31st Avalon Benefit 50-Mile Run	11:00:22 h	128
2010
07.08	50km	6th Angeles National Forest 50k Trail Race	7:57:33 h	57
17.04	50mi	18th Leona Divide 50 Mile Run	11:42:42 h	108
16.01	50mi	30th Avalon Benefit 50-Mile Run	10:07:34 h	52
2009
08.08	50km	5th Angeles National Forest 50k Trail Race	6:43:05 h	59
17.01	50mi	29th Avalon Benefit 50-Mile Run	10:50:49 h	84
2008
09.08	50km	4th Angeles National Forest 50k Trail Race	7:29:38 h	63
12.01	50mi	28th Avalon Benefit 50-Mile Run	10:14:50 h	62
2007
11.08	50km	3rd Angeles National Forest 50k Trail Race	7:34:52 h	66
2006
12.08	50km	2nd Angeles National Forest 50k Trail Race	6:57:57 h	68
2005
13.08	50km	1st Angeles National Forest 50k Trail Race	7:15:37 h	40
2002
07.09	50km	11th Bulldog 50k Ultra Run	6:09:13 h	40
02.02	50km	5th San Gabriel Mountain 50K	6:23:35 h	26
2001
08.09	50km	10th Bulldog 50k Ultra Run	5:40:06 h	23
03.02	50km	4th San Gabriel Mountain 50K	6:41:52 h	28
1999
11.09	50km	8th Bulldog 50k Ultra Run	6:31:30 h	64
30.01	50km	2nd San Gabriel Mountain 50K	6:36:24 h	50
1998
05.09	50km	7th Bulldog 50k Ultra Run	6:54:37 h	41
1997
06.09	50km	6th Bulldog 50k Ultra Run	5:26:28 h	29
1996
08.09	50km	2nd Baldy Peaks 50K	9:42:28 h	54
06.01	50mi	16th Avalon Benefit 50-Mile Run	9:35:00 h	44
1994
10.09	50km	3rd Bulldog 50k Ultra Run	6:31:21 h	40

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/2/2022	4th Grandmaster Ultras 100 Mile Run	160,93	×3
✓ 2	21/7/2012	25th Angeles Crest 100 Mile	160,93	×3
✓ 3	30/6/2023	14th Orange Curtain 100km Ultra Race	100,00	×2
✓ 4	24/6/2022	13th Orange Curtain 100km Ultra Race	100,00	×2
✓ 5	16/7/2021	12th Orange Curtain 100km Ultra Race	100,00	×2
✓ 6	11/1/2025	45th Avalon Benefit 50 Mile Run	80,47	×1
✓ 7	6/1/2024	44th Avalon Benefit 50 Mile Run	80,47	×1
✓ 8	7/1/2023	43th Avalon Benefit 50 Mile Run	80,47	×1
✓ 9	8/1/2022	42th Avalon Benefit 50 Mile Run	80,47	×1
✓ 10	11/1/2020	40th Avalon Benefit 50 Mile Run	80,47	×1
✓ 11	12/1/2019	39th Avalon Benefit 50 Mile Run	80,47	×1
✓ 12	20/1/2018	38th Avalon Benefit 50-Mile Run	80,47	×1
✓ 13	7/1/2017	37th Avalon Benefit 50-Mile Run	80,47	×1
✓ 14	9/1/2016	36th Avalon Benefit 50-Mile Run	80,47	×1
✓ 15	10/1/2015	35th Avalon Benefit 50-Mile Run	80,47	×1
✓ 16	11/1/2014	34th Avalon Benefit 50-Mile Run	80,47	×1
✓ 17	13/1/2013	33rd Avalon Benefit 50-Mile Run	80,47	×1
✓ 18	28/4/2012	20th Leona Divide 50 Mile Run	80,47	×1
✓ 19	15/1/2011	31st Avalon Benefit 50-Mile Run	80,47	×1
✓ 20	17/4/2010	18th Leona Divide 50 Mile Run	80,47	×1
✓ 21	16/1/2010	30th Avalon Benefit 50-Mile Run	80,47	×1
✓ 22	17/1/2009	29th Avalon Benefit 50-Mile Run	80,47	×1
✓ 23	12/1/2008	28th Avalon Benefit 50-Mile Run	80,47	×1
✓ 24	6/1/1996	16th Avalon Benefit 50-Mile Run	80,47	×1
✓ 25	10/6/2012	16th Holcomb Valley 33 Mile	53,11	×1
✓ 26	9/12/2023	37th OTHTC High Desert 50K Ultra	50,00	×1
✓ 27	23/9/2023	4th That's No Moon Ultras 50K	50,00	×1
✓ 28	20/8/2022	12th Kodiak Back 50 km Ultramarathon	50,00	×1
✓ 29	5/12/2021	35th OTHTC High Desert 50K Ultra	50,00	×1
✓ 30	29/2/2020	11th Orange Curtain 50km Ultra Race	50,00	×1
✓ 31	9/11/2019	9th Chino Hills 50K Race	50,00	×1
✓ 32	6/7/2019	14th Angeles National Forest 50k Trail Race	50,00	×1
✓ 33	3/3/2018	2nd Griffith Park Trail Marathon	50,00	×1
✓ 34	8/7/2017	12th Angeles National Forest 50k Trail Race	50,00	×1
✓ 35	9/7/2016	11th Angeles National Forest 50k Trail Race	50,00	×1
✓ 36	11/7/2015	10th Angeles National Forest 50k Trail Race	50,00	×1
✓ 37	25/1/2015	11th Calico Trail Run 50 km	50,00	×1
✓ 38	8/11/2014	4th Bootlegger 50K	50,00	×1
✓ 39	23/8/2014	23rd Bulldog 50k Ultra Run	50,00	×1
✓ 40	9/11/2013	3rd Chino Hills 50K Race	50,00	×1
✓ 41	11/8/2012	8th Angeles National Forest 50k Trail Race	50,00	×1
✓ 42	5/11/2011	1st Bootlegger 50K	50,00	×1
✓ 43	13/8/2011	7th Angeles National Forest 50k Trail Race	50,00	×1
✓ 44	7/8/2010	6th Angeles National Forest 50k Trail Race	50,00	×1
✓ 45	8/8/2009	5th Angeles National Forest 50k Trail Race	50,00	×1
✓ 46	9/8/2008	4th Angeles National Forest 50k Trail Race	50,00	×1
✓ 47	11/8/2007	3rd Angeles National Forest 50k Trail Race	50,00	×1
✓ 48	12/8/2006	2nd Angeles National Forest 50k Trail Race	50,00	×1
✓ 49	13/8/2005	1st Angeles National Forest 50k Trail Race	50,00	×1
✓ 50	7/9/2002	11th Bulldog 50k Ultra Run	50,00	×1
51	2/2/2002	5th San Gabriel Mountain 50K	50,00	×1
52	8/9/2001	10th Bulldog 50k Ultra Run	50,00	×1
53	3/2/2001	4th San Gabriel Mountain 50K	50,00	×1
54	11/9/1999	8th Bulldog 50k Ultra Run	50,00	×1
55	30/1/1999	2nd San Gabriel Mountain 50K	50,00	×1
56	5/9/1998	7th Bulldog 50k Ultra Run	50,00	×1
57	6/9/1997	6th Bulldog 50k Ultra Run	50,00	×1
58	8/9/1996	2nd Baldy Peaks 50K	50,00	×1
59	10/9/1994	3rd Bulldog 50k Ultra Run	50,00	×1