Dennis Collins

Born : 1955 Cat. M70 Ultrarunner since 1982

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 19 eligible race(s): Σ(rank − 1) = 295; Σ finishers = 478. 295 / 478 × 100 = 61.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19

Km — ultra races1 907 km

> 100 km8

> 24h6

Longest race144,8 km

4th The Last Annual Rowdy Ultimate 24 Hour Track Race — 1/9/1984

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road95,8%

Trail4,2%

Records

50 mi8h02'13 12 h93,99 km 24 h144,84 km

HISTORY

19 race(s) · 5 split(s) nested

Date		Race	Perf.	Rk
2000
04.08	24h	4th Around The Lake Ultra 24h	113.394 km	17
1998
17.10	50mi	7th Maine Track Club Ultra 50 Mile	11:07:55 h	18
07.08	24h	2nd Around The Lake Ultra 24h	117.675 km	10
1997
18.10	50mi	6th Maine Track Club Ultra 50 Mile	11:45:35 h	17
1995
14.10	50mi	4th Maine Track Club Ultra 50 Mile	10:43:49 h	18
1988
07.05	50mi	1st Sri Chinmoy 50 Mile Queens	12:44:18 h	13
1987
11.07	24h	Essex County 24 Hour	130.356 km	7
02.05	24h	9th Sri Chinmoy 24 Hour Race	135.184 km	27
02.05	50mi	9th Sri Chinmoy 24 Hour Race - 50mi Split	11:30:36 h	39
1986
11.10	70mi	6th Sri Chinmoy 70-Mile Race	16:29:32 h	14
11.10	50mi	6th Sri Chinmoy 70-Mile Race - 50mi Split	10:47:23 h	15
11.10	100km	6th Sri Chinmoy 70-Mile Race - 100km Split	14:13:18 h	15
25.04	24h	8th Sri Chinmoy 24 Hour Race	141.622 km	19
1985
03.11	50mi	Heritage 50 Mile	9:18:28 h	12
10.05	70mi	5th Sri Chinmoy 70-Mile Race	14:40:53 h	14
10.05	50mi	5th Sri Chinmoy 70-Mile Race - 50mi Split	9:52:13 h	15
10.05	100km	5th Sri Chinmoy 70-Mile Race - 100km Split	12:42:36 h	16
1984
11.11	50mi	Rowdy 50 Mile	8:41:23 h	8
28.10	50mi	Heritage 50 Mile	9:22:58 h	11
01.09	24h	4th The Last Annual Rowdy Ultimate 24 Hour Track Race	144.840 km	9
26.05	12h	Sri Chinmoy 12 Hour Track Race Arlington	93.985 km	10
1983
09.10	50mi	3rd The Breakers Marathon - Nifty Fifty Miles	8:05:32 h	6
01.05	50mi	10th Lake Waramaug 50mi Ultra Marathon	8:13:06 h	68
1982
05.12	50mi	Heritage 50 Mile	8:02:13 h	16

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/9/1984	4th The Last Annual Rowdy Ultimate 24 Hour Track Race	144,84	×3
✓ 2	25/4/1986	8th Sri Chinmoy 24 Hour Race	141,62	×3
✓ 3	2/5/1987	9th Sri Chinmoy 24 Hour Race	135,18	×3
✓ 4	11/7/1987	Essex County 24 Hour	130,36	×3
✓ 5	7/8/1998	2nd Around The Lake Ultra 24h	117,68	×2
✓ 6	4/8/2000	4th Around The Lake Ultra 24h	113,39	×2
✓ 7	11/10/1986	6th Sri Chinmoy 70-Mile Race	112,65	×2
✓ 8	10/5/1985	5th Sri Chinmoy 70-Mile Race	112,65	×2
✓ 9	26/5/1984	Sri Chinmoy 12 Hour Track Race Arlington	93,99	×2
✓ 10	17/10/1998	7th Maine Track Club Ultra 50 Mile	80,47	×2
✓ 11	18/10/1997	6th Maine Track Club Ultra 50 Mile	80,47	×2
✓ 12	14/10/1995	4th Maine Track Club Ultra 50 Mile	80,47	×2
✓ 13	7/5/1988	1st Sri Chinmoy 50 Mile Queens	80,47	×2
✓ 14	3/11/1985	Heritage 50 Mile	80,47	×2
✓ 15	11/11/1984	Rowdy 50 Mile	80,47	×2
✓ 16	28/10/1984	Heritage 50 Mile	80,47	×2
✓ 17	9/10/1983	3rd The Breakers Marathon - Nifty Fifty Miles	80,47	×2
✓ 18	1/5/1983	10th Lake Waramaug 50mi Ultra Marathon	80,47	×2
✓ 19	5/12/1982	Heritage 50 Mile	80,47	×2