John Sonderman

Born : 1953 Cat. M70 Ultrarunner since 1998

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

61,7%

Rank quotient ?This runner's calculation uses 74 eligible race(s): Σ(rank − 1) = 9 896; Σ finishers = 16 046. 9 896 / 16 046 × 100 = 61.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed74

Km — ultra races4 755 km

> 100 km1

> 160 km1

Longest race160,9 km

17th Umstead Endurance Run 100 Miles — 2/4/2011

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h40'12 100 km16h21'17 50 mi9h20'31 100 mi26h13'48 12 h73,23 km

HISTORY

74 race(s)

Date		Race	Perf.	Rk
2016
17.12	100km	1st Devil Dog Ultra 100 km Race	18:25:41 h	49
12.11	50mi	7th Stone Mill 50 Mile Run	12:10:41 h	153
17.09	12h	11th 12 Hour Adventure Trail Run	52.303 km	56
06.02	8h	11th 8 Hour Adventure Trail Run	51.499 km	42
2015
14.11	50mi	6th Stone Mill 50 Mile Run	12:22:43 h	226
19.09	12h	10th 12 Hour Adventure Trail Run	52.303 km	51
01.08	50km	7th Dahlgren Heritage Rail Trail 50K	6:17:33 h	35
07.02	8h	10th 8 Hour Adventure Trail Run	51.499 km	45
2014
15.11	50mi	5th Stone Mill 50 Mile Run	10:53:23 h	128
20.09	12h	9th 12 Hour Adventure Trail Run	73.225 km	23
26.07	50km	19th Catoctin 50k Trail Run	8:28:13 h	109
01.02	8h	9th 8 Hour Adventure Trail Run	51.499 km	43
01.01	50km	18th Red Eye 50km	6:35:00 h	14
2013
14.12	50km	16th Magnus Gluteus Maximus 50 km	7:16:00 h	46
16.11	50mi	4th Stone Mill 50 Mile Run	10:27:37 h	111
21.09	12h	8th 12 Hour Adventure Trail Run	62.764 km	42
03.08	50km	5th Dahlgren Heritage Rail Trail 50K	6:02:30 h	57
01.06	50km	6th Endurance Challenge - Washington D.C. Trail 50 km	7:39:26 h	268
2012
22.09	12h	7th 12 Hour Adventure Trail Run	52.303 km	49
02.06	50km	5th Endurance Challenge - Washington D.C. Trail 50 km	7:08:17 h	250
14.04	50mi	20th Bull Run Run 50 Miler	11:30:51 h	218
2011
10.09	12h	6th 12 Hour Adventure Trail Run	52.303 km	49
02.04	100mi	17th Umstead Endurance Run 100 Miles	26:13:48 h	89
19.03	50km	23rd The HAT Run 50K	7:04:24 h	267
05.02	8h	6th 8 Hour Adventure Trail Run	51.499 km	47
2010
18.09	12h	5th 12 Hour Adventure Trail Run	52.303 km	49
31.07	50km	15th Catoctin 50k Trail Run	8:26:24 h	122
10.04	50mi	18th Bull Run Run 50 Miler	10:50:47 h	213
2009
19.09	50mi	2nd Endurance Challenge - Washington D.C. Trail 50 Miles	11:04:26 h	126
01.08	50km	14th Catoctin 50k Trail Run	8:40:18 h	127
18.04	50mi	17th Bull Run Run 50 Miler	11:25:43 h	192
31.03	50km	21th The HAT Run 50K	7:11:10 h	294
07.02	8h	4th 8 Hour Adventure Trail Run	48.441 km	34
2008
13.12	50km	13th Magnus Gluteus Maximus 50 km	6:48:00 h	50
22.11	50mi	46th JFK 50 Mile	10:23:51 h	406
02.08	50km	13th Catoctin 50k Trail Run	8:36:31 h	101
12.04	50mi	16th Bull Run Run 50 Miler	12:19:32 h	211
22.03	50km	4th Bel Monte 50 km Endurance Run	8:15:56 h	74
2007
04.08	50km	12th Catoctin 50k Trail Run	8:20:57 h	74
26.05	50mi	6th Old Dominion Memorial Day Race 50 Mile	10:18:00 h	19
14.04	50mi	15th Bull Run Run 50 Miler	11:05:20 h	234
24.03	50km	19th The HAT Run 50K	7:29:49 h	287
2006
23.09	100km	4th Great Eastern Endurance Run 100 km	16:21:17 h	47
05.08	50km	11th Catoctin 50k Trail Run	8:44:12 h	99
08.04	50mi	14th Bull Run Run 50 Miler	12:13:54 h	226
2005
10.12	50km	10th Magnus Gluteus Maximus - Potchari Hippu 50 km	7:15:00 h	39
15.10	50mi	23th Mountain Masochist 50 Mile Trail Run	11:47:55 h	184
06.08	50km	10th Catoctin 50k Trail Run	7:59:43 h	84
09.04	50mi	13th Bull Run Run 50 Miler	11:49:36 h	201
26.03	50km	1st Bel Monte 50 km Endurance Run	7:48:16 h	65
2004
11.12	50km	9th Magnus Gluteus Maximus - Ponga Craka 50 km	6:56:00 h	35
20.11	50mi	42nd JFK 50 Mile	9:20:31 h	196
07.08	50km	9th Catoctin 50k Trail Run	7:40:18 h	70
2003
22.11	50mi	41st JFK 50 Mile	10:56:24 h	514
20.09	50km	1st Great Eastern Endurance Run 50 km	7:32:23 h	129
02.08	50km	8th Catoctin 50k Trail Run	8:27:58 h	71
12.04	50mi	11th Bull Run Run 50 Miler	11:36:19 h	196
29.03	50km	15th The HAT Run 50K	7:01:47 h	209
2002
19.10	50mi	20th Mountain Masochist 50 Mile Trail Run	11:26:38 h	185
07.09	50km	18th Groundhog Fall 50K	7:37:08 h	44
10.08	50km	7th Catoctin 50k Trail Run	7:45:34 h	53
12.04	50mi	10th Bull Run Run 50 Miler	10:36:47 h	136
23.03	50km	14th The HAT Run 50K	6:07:25 h	158
2001
17.11	50mi	39th JFK 50 Mile	10:37:02 h	416
11.08	50km	6th Catoctin 50k Trail Run	8:08:44 h	59
07.04	50mi	9th Bull Run Run 50 Miler	11:02:55 h	126
24.03	50km	13th The HAT Run 50K	5:40:12 h	120
2000
04.11	50mi	38th JFK 50 Mile	11:13:52 h	454
05.08	50km	5th Catoctin 50k Trail Run	8:14:36 h	69
15.04	50mi	8th Bull Run Run 50 Miler	10:38:15 h	132
24.03	50km	12th The HAT Run 50K	5:51:05 h	131
1999
10.07	50km	5th Rattlesnake Trail 50K Ultrarun	6:24:44 h	72
17.04	50mi	7th Bull Run Run 50 Miler	10:23:42 h	104
1998
21.11	50mi	36th JFK 50 Mile	9:33:57 h	266

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/4/2011	17th Umstead Endurance Run 100 Miles	160,93	×3
✓ 2	17/12/2016	1st Devil Dog Ultra 100 km Race	100,00	×2
✓ 3	23/9/2006	4th Great Eastern Endurance Run 100 km	100,00	×2
✓ 4	12/11/2016	7th Stone Mill 50 Mile Run	80,47	×1
✓ 5	14/11/2015	6th Stone Mill 50 Mile Run	80,47	×1
✓ 6	15/11/2014	5th Stone Mill 50 Mile Run	80,47	×1
✓ 7	16/11/2013	4th Stone Mill 50 Mile Run	80,47	×1
✓ 8	14/4/2012	20th Bull Run Run 50 Miler	80,47	×1
✓ 9	10/4/2010	18th Bull Run Run 50 Miler	80,47	×1
✓ 10	19/9/2009	2nd Endurance Challenge - Washington D.C. Trail 50 Miles	80,47	×1
✓ 11	18/4/2009	17th Bull Run Run 50 Miler	80,47	×1
✓ 12	22/11/2008	46th JFK 50 Mile	80,47	×1
✓ 13	12/4/2008	16th Bull Run Run 50 Miler	80,47	×1
✓ 14	26/5/2007	6th Old Dominion Memorial Day Race 50 Mile	80,47	×1
✓ 15	14/4/2007	15th Bull Run Run 50 Miler	80,47	×1
✓ 16	8/4/2006	14th Bull Run Run 50 Miler	80,47	×1
✓ 17	15/10/2005	23th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 18	9/4/2005	13th Bull Run Run 50 Miler	80,47	×1
✓ 19	20/11/2004	42nd JFK 50 Mile	80,47	×1
✓ 20	22/11/2003	41st JFK 50 Mile	80,47	×1
✓ 21	12/4/2003	11th Bull Run Run 50 Miler	80,47	×1
✓ 22	19/10/2002	20th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 23	12/4/2002	10th Bull Run Run 50 Miler	80,47	×1
✓ 24	17/11/2001	39th JFK 50 Mile	80,47	×1
✓ 25	7/4/2001	9th Bull Run Run 50 Miler	80,47	×1
✓ 26	4/11/2000	38th JFK 50 Mile	80,47	×1
✓ 27	15/4/2000	8th Bull Run Run 50 Miler	80,47	×1
✓ 28	17/4/1999	7th Bull Run Run 50 Miler	80,47	×1
✓ 29	21/11/1998	36th JFK 50 Mile	80,47	×1
✓ 30	20/9/2014	9th 12 Hour Adventure Trail Run	73,23	×1
✓ 31	21/9/2013	8th 12 Hour Adventure Trail Run	62,76	×1
✓ 32	17/9/2016	11th 12 Hour Adventure Trail Run	52,30	×1
✓ 33	19/9/2015	10th 12 Hour Adventure Trail Run	52,30	×1
✓ 34	22/9/2012	7th 12 Hour Adventure Trail Run	52,30	×1
✓ 35	10/9/2011	6th 12 Hour Adventure Trail Run	52,30	×1
✓ 36	18/9/2010	5th 12 Hour Adventure Trail Run	52,30	×1
✓ 37	6/2/2016	11th 8 Hour Adventure Trail Run	51,50	×1
✓ 38	7/2/2015	10th 8 Hour Adventure Trail Run	51,50	×1
✓ 39	1/2/2014	9th 8 Hour Adventure Trail Run	51,50	×1
✓ 40	5/2/2011	6th 8 Hour Adventure Trail Run	51,50	×1
✓ 41	1/8/2015	7th Dahlgren Heritage Rail Trail 50K	50,00	×1
✓ 42	26/7/2014	19th Catoctin 50k Trail Run	50,00	×1
✓ 43	1/1/2014	18th Red Eye 50km	50,00	×1
✓ 44	14/12/2013	16th Magnus Gluteus Maximus 50 km	50,00	×1
✓ 45	3/8/2013	5th Dahlgren Heritage Rail Trail 50K	50,00	×1
✓ 46	1/6/2013	6th Endurance Challenge - Washington D.C. Trail 50 km	50,00	×1
✓ 47	2/6/2012	5th Endurance Challenge - Washington D.C. Trail 50 km	50,00	×1
✓ 48	19/3/2011	23rd The HAT Run 50K	50,00	×1
✓ 49	31/7/2010	15th Catoctin 50k Trail Run	50,00	×1
✓ 50	1/8/2009	14th Catoctin 50k Trail Run	50,00	×1
51	31/3/2009	21th The HAT Run 50K	50,00	×1
52	13/12/2008	13th Magnus Gluteus Maximus 50 km	50,00	×1
53	2/8/2008	13th Catoctin 50k Trail Run	50,00	×1
54	22/3/2008	4th Bel Monte 50 km Endurance Run	50,00	×1
55	4/8/2007	12th Catoctin 50k Trail Run	50,00	×1
56	24/3/2007	19th The HAT Run 50K	50,00	×1
57	5/8/2006	11th Catoctin 50k Trail Run	50,00	×1
58	10/12/2005	10th Magnus Gluteus Maximus - Potchari Hippu 50 km	50,00	×1
59	6/8/2005	10th Catoctin 50k Trail Run	50,00	×1
60	26/3/2005	1st Bel Monte 50 km Endurance Run	50,00	×1
61	11/12/2004	9th Magnus Gluteus Maximus - Ponga Craka 50 km	50,00	×1
62	7/8/2004	9th Catoctin 50k Trail Run	50,00	×1
63	20/9/2003	1st Great Eastern Endurance Run 50 km	50,00	×1
64	2/8/2003	8th Catoctin 50k Trail Run	50,00	×1
65	29/3/2003	15th The HAT Run 50K	50,00	×1
66	7/9/2002	18th Groundhog Fall 50K	50,00	×1
67	10/8/2002	7th Catoctin 50k Trail Run	50,00	×1
68	23/3/2002	14th The HAT Run 50K	50,00	×1
69	11/8/2001	6th Catoctin 50k Trail Run	50,00	×1
70	24/3/2001	13th The HAT Run 50K	50,00	×1
71	5/8/2000	5th Catoctin 50k Trail Run	50,00	×1
72	24/3/2000	12th The HAT Run 50K	50,00	×1
73	10/7/1999	5th Rattlesnake Trail 50K Ultrarun	50,00	×1
74	7/2/2009	4th 8 Hour Adventure Trail Run	48,44	—