Bruce Boyd

Born : 1938 Cat. M85 Ultrarunner since 1979

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

34,1%

Rank quotient ?This runner's calculation uses 81 eligible race(s): Σ(rank − 1) = 3 255; Σ finishers = 9 554. 3 255 / 9 554 × 100 = 34.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed81

Km — ultra races8 118 km

> 100 km29

> 160 km28

> 200 km1

> 24h6

Longest race201,2 km

5th Sri Chinmoy 24 Hour Race — 24/9/1983

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road40,4%

Trail59,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M2

🏅 Top 32

🏅 Top 3 M4

Longest winning streak0

Current streak0

Records

50 km4h14'15 100 km10h50'56 50 mi7h45'46 100 mi16h14'25 6 h54,72 km 12 h101,50 km 24 h201,23 km

HISTORY

83 race(s) · 7 split(s) nested

Date		Race	Perf.	Rk
2004
14.11	50km	10th The Breakers Marathon - Nifty Fifty Kilometers	4:54:33 h	3 🥉
11.09	100mi	14th Olander Park 24 Hour Run - 100mi Split	20:34:23 h	18
11.09	24h	14th Olander Park 24 Hour Run	160.934 km	18
17.07	100mi	16th Vermont 100 Mile Endurance Race	22:55:21 h	55
24.04	50km	26th Sybil Ludington 50 km Run	4:48:43 h	12
03.04	50mi	10th Umstead Endurance Run 50 Miles	10:09:10 h	27
03.01	50km	8th Recover from the Holidays 50K	5:21:20 h	11
2003
16.11	50km	9th The Breakers Marathon - Nifty Fifty Kilometers	4:58:03 h	16
13.09	100mi	13th Olander Park 24 Hour Run - 100mi Split	19:56:55 h	17
13.09	24h	13th Olander Park 24 Hour Run	160.934 km	17
19.07	100mi	15th Vermont 100 Mile Endurance Race	22:04:59 h	70
11.05	6h	9th Mother's Day six hour race	45.061 km	18
26.04	50km	25th Sybil Ludington 50 km Run	5:05:16 h	12
2002
29.09	50mi	9th Vermont 50 Miles Ultra Run	10:42:55 h	61
20.07	100mi	14th Vermont 100 Mile Endurance Race	22:39:56 h	65
18.05	50mi	2nd Long Island Endurance 50 Miles Run	8:53:50 h	8
20.04	50km	24th Sybil Ludington 50 km Run	4:41:21 h	14
06.04	50mi	8th Umstead Endurance Run 50 Miles	9:16:42 h	12
2001
24.11	60km	22nd NYRR Knickerbocker 60K	5:56:45 h	27
30.09	50mi	8th Vermont 50 Miles Ultra Run	11:20:09 h	70
18.08	100mi	19th Leadville Trail 100 Mile	28:47:44 h	105
21.07	100mi	13th Vermont 100 Mile Endurance Race	22:26:48 h	52
28.04	50km	23rd Sybil Ludington 50 km Run	5:43:28 h	10
2000
19.11	50km	6th The Breakers Marathon - Nifty Fifty Kilometers	4:39:51 h	13
01.10	50mi	7th Vermont 50 Miles Ultra Run	10:05:05 h	40
19.08	100mi	18th Leadville Trail 100 Mile	28:22:51 h	99
15.07	100mi	12th Vermont 100 Mile Endurance Race	22:33:13 h	59
17.06	12h	Joe Kleinerman 12-Hour Run Crocheron Park	48.441 km	55
14.05	6h	6th Mother's Day six hour race	54.717 km	14
23.04	50km	26th Lake Waramaug 50km Ultra Marathon	4:57:40 h	23
1999
20.11	50mi	37th JFK 50 Mile	11:35:16 h	631
06.11	6h	1st Watery Hill Six Hour Trail Run	51.039 km	20
03.10	50mi	6th Vermont 50 Miles Ultra Run	10:29:40 h	71
17.07	100mi	11th Vermont 100 Mile Endurance Race	23:06:45 h	25
24.04	50km	21st Sybil Ludington 50 km Run	4:49:11 h	16
10.04	50mi	5th Umstead Endurance Run 50 Miles	9:32:15 h	19
1998
19.09	24h	8th Olander Park 24 Hour Run	178.656 km	18
18.07	100mi	10th Vermont 100 Mile Endurance Race	21:23:59 h	37
25.04	50km	20th Sybil Ludington 50 km Run	4:34:22 h	9
04.04	100mi	4th Umstead Endurance Run 100 Miles	19:42:24 h	4
15.02	60km	19th NYRR Knickerbocker 60K	5:34:43 h	26
04.01	50km	3rd Recover from the Holidays 50K	4:58:28 h	11
1997
29.11	50mi	26th Metropolitan 50 Mile Race	7:48:43 h	10
22.11	50mi	35th JFK 50 Mile	9:09:15 h	152
26.09	24h	7th Olander Park 24 Hour Run	185.352 km	17
19.07	100mi	9th Vermont 100 Mile Endurance Race	20:10:28 h	34
27.04	50mi	23th Lake Waramaug 50mi Ultra Marathon	8:16:20 h	10
19.04	50km	19th Sybil Ludington 50 km Run	4:29:50 h	5
16.02	60km	18th NYRR Knickerbocker 60K	5:32:05 h	30
1996
23.11	50mi	34th JFK 50 Mile	8:52:17 h	141
20.07	100mi	8th Vermont 100 Mile Endurance Race	21:18:04 h	31
27.04	50km	18th Sybil Ludington 50 km Run	4:35:43 h	15
1995
22.07	100mi	7th Vermont 100 Mile Endurance Race	20:27:57 h	28
29.04	50km	17th Sybil Ludington 50 km Run	4:17:36 h	7
25.02	60km	16th NYRR Knickerbocker 60K	5:29:14 h	18
1994
26.11	60km	15th NYRR Knickerbocker 60K	5:14:47 h	16
23.07	100mi	6th Vermont 100 Mile Endurance Race	20:16:57 h	22
28.05	50km	2nd Kurt Steiner 50K	4:14:15 h	2 🥈
16.04	50km	16th Sybil Ludington 50 km Run	4:26:05 h	7
1993
31.07	100mi	5th Vermont 100 Mile Endurance Race	21:30:21 h	46
27.02	100km	New York Ultimax 100km Race	10:50:56 h	54
1992
12.12	60km	14th NYRR Knickerbocker 60K	6:16:09 h	19
25.07	100mi	4th Vermont 100 Mile Endurance Race	19:52:37 h	34
1991
07.12	60km	13th NYRR Knickerbocker 60K	6:12:20 h	25
27.07	100mi	3rd Vermont 100 Mile Endurance Race	20:43:00 h	33
1990
15.09	24h	13th Sri Chinmoy 24 Hour Race	188.960 km	4
15.09	50mi	13th Sri Chinmoy 24 Hour Race - 50mi Split	8:29:47 h	9
15.09	100km	13th Sri Chinmoy 24 Hour Race - 100km Split	11:45:18 h	12
15.09	100mi	13th Sri Chinmoy 24 Hour Race - 100mi Split	19:35:11 h	4
21.07	100mi	2nd Vermont 100 Mile Endurance Race	19:56:28 h	24
1989
29.07	100mi	1st Vermont 100 Mile Endurance Race	21:33:07 h	32
25.03	60km	11th NYRR Knickerbocker 60K	6:12:45 h	24
1988
08.10	50mi	18th Aldo Scandurra 50 Mile Run	7:45:46 h	12
1987
26.04	50mi	13th Lake Waramaug 50mi Ultra Marathon	8:10:42 h	9
1986
02.08	12h	5th Crocheron 12 Hour Run	101.498 km	12
1985
23.11	50mi	23rd JFK 50 Mile	11:48:56 h	184
1984
17.11	50mi	22nd JFK 50 Mile	8:43:29 h	54
13.07	100mi	Hogback Hundred	38:25:00 h	9
1983
19.11	50mi	21st JFK 50 Mile	8:25:15 h	55
24.09	24h	5th Sri Chinmoy 24 Hour Race	201.229 km	7
24.09	50km	5th Sri Chinmoy 24 Hour Race - 50km Split	4:28:17 h	4
24.09	50mi	5th Sri Chinmoy 24 Hour Race - 50mi Split	7:36:24 h	4
24.09	100km	5th Sri Chinmoy 24 Hour Race - 100km Split	9:49:13 h	6
24.09	100mi	5th Sri Chinmoy 24 Hour Race - 100mi Split	17:49:05 h	5
18.06	100mi	NYRR National TAC 100 Mile Championship	16:14:25 h	11
1982
20.11	50mi	20th JFK 50 Mile	8:12:58 h	48
05.06	100mi	NYRR New York Invitational 100 Mile Run	17:38:11 h	15
1981
21.11	50mi	19th JFK 50 Mile	9:01:07 h	89
1980
22.11	50mi	18th JFK 50 Mile	8:38:33 h	64
1979
17.11	50mi	17th JFK 50 Mile	8:30:54 h	54

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	24/9/1983	5th Sri Chinmoy 24 Hour Race	201,23	×2
✓ 2	15/9/1990	13th Sri Chinmoy 24 Hour Race	188,96	×2
✓ 3	26/9/1997	7th Olander Park 24 Hour Run	185,35	×2
✓ 4	19/9/1998	8th Olander Park 24 Hour Run	178,66	×2
✓ 5	17/7/2004	16th Vermont 100 Mile Endurance Race	160,93	×2
✓ 6	19/7/2003	15th Vermont 100 Mile Endurance Race	160,93	×2
✓ 7	20/7/2002	14th Vermont 100 Mile Endurance Race	160,93	×2
✓ 8	18/8/2001	19th Leadville Trail 100 Mile	160,93	×2
✓ 9	21/7/2001	13th Vermont 100 Mile Endurance Race	160,93	×2
✓ 10	19/8/2000	18th Leadville Trail 100 Mile	160,93	×2
✓ 11	15/7/2000	12th Vermont 100 Mile Endurance Race	160,93	×2
✓ 12	17/7/1999	11th Vermont 100 Mile Endurance Race	160,93	×2
✓ 13	18/7/1998	10th Vermont 100 Mile Endurance Race	160,93	×2
✓ 14	4/4/1998	4th Umstead Endurance Run 100 Miles	160,93	×2
✓ 15	19/7/1997	9th Vermont 100 Mile Endurance Race	160,93	×2
✓ 16	20/7/1996	8th Vermont 100 Mile Endurance Race	160,93	×2
✓ 17	22/7/1995	7th Vermont 100 Mile Endurance Race	160,93	×2
✓ 18	23/7/1994	6th Vermont 100 Mile Endurance Race	160,93	×2
✓ 19	31/7/1993	5th Vermont 100 Mile Endurance Race	160,93	×2
✓ 20	25/7/1992	4th Vermont 100 Mile Endurance Race	160,93	×2
✓ 21	27/7/1991	3rd Vermont 100 Mile Endurance Race	160,93	×2
✓ 22	21/7/1990	2nd Vermont 100 Mile Endurance Race	160,93	×2
✓ 23	29/7/1989	1st Vermont 100 Mile Endurance Race	160,93	×2
✓ 24	13/7/1984	Hogback Hundred	160,93	×2
✓ 25	18/6/1983	NYRR National TAC 100 Mile Championship	160,93	×2
✓ 26	5/6/1982	NYRR New York Invitational 100 Mile Run	160,93	×2
✓ 27	11/9/2004	14th Olander Park 24 Hour Run	160,93	×2
✓ 28	13/9/2003	13th Olander Park 24 Hour Run	160,93	×2
✓ 29	2/8/1986	5th Crocheron 12 Hour Run	101,50	×1
✓ 30	27/2/1993	New York Ultimax 100km Race	100,00	×1
✓ 31	3/4/2004	10th Umstead Endurance Run 50 Miles	80,47	×1
✓ 32	29/9/2002	9th Vermont 50 Miles Ultra Run	80,47	×1
✓ 33	18/5/2002	2nd Long Island Endurance 50 Miles Run	80,47	×1
✓ 34	6/4/2002	8th Umstead Endurance Run 50 Miles	80,47	×1
✓ 35	30/9/2001	8th Vermont 50 Miles Ultra Run	80,47	×1
✓ 36	1/10/2000	7th Vermont 50 Miles Ultra Run	80,47	×1
✓ 37	20/11/1999	37th JFK 50 Mile	80,47	×1
✓ 38	3/10/1999	6th Vermont 50 Miles Ultra Run	80,47	×1
✓ 39	10/4/1999	5th Umstead Endurance Run 50 Miles	80,47	×1
✓ 40	29/11/1997	26th Metropolitan 50 Mile Race	80,47	×1
✓ 41	22/11/1997	35th JFK 50 Mile	80,47	×1
✓ 42	27/4/1997	23th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 43	23/11/1996	34th JFK 50 Mile	80,47	×1
✓ 44	8/10/1988	18th Aldo Scandurra 50 Mile Run	80,47	×1
✓ 45	26/4/1987	13th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 46	23/11/1985	23rd JFK 50 Mile	80,47	×1
✓ 47	17/11/1984	22nd JFK 50 Mile	80,47	×1
✓ 48	19/11/1983	21st JFK 50 Mile	80,47	×1
✓ 49	20/11/1982	20th JFK 50 Mile	80,47	×1
✓ 50	21/11/1981	19th JFK 50 Mile	80,47	×1
✓ 51	22/11/1980	18th JFK 50 Mile	80,47	×1
✓ 52	17/11/1979	17th JFK 50 Mile	80,47	×1
✓ 53	24/11/2001	22nd NYRR Knickerbocker 60K	60,00	—
✓ 54	15/2/1998	19th NYRR Knickerbocker 60K	60,00	—
✓ 55	16/2/1997	18th NYRR Knickerbocker 60K	60,00	—
✓ 56	25/2/1995	16th NYRR Knickerbocker 60K	60,00	—
✓ 57	26/11/1994	15th NYRR Knickerbocker 60K	60,00	—
✓ 58	12/12/1992	14th NYRR Knickerbocker 60K	60,00	—
✓ 59	7/12/1991	13th NYRR Knickerbocker 60K	60,00	—
✓ 60	25/3/1989	11th NYRR Knickerbocker 60K	60,00	—
61	14/5/2000	6th Mother's Day six hour race	54,72	—
62	6/11/1999	1st Watery Hill Six Hour Trail Run	51,04	—
63	14/11/2004	10th The Breakers Marathon - Nifty Fifty Kilometers	50,00	—
64	24/4/2004	26th Sybil Ludington 50 km Run	50,00	—
65	3/1/2004	8th Recover from the Holidays 50K	50,00	—
66	16/11/2003	9th The Breakers Marathon - Nifty Fifty Kilometers	50,00	—
67	26/4/2003	25th Sybil Ludington 50 km Run	50,00	—
68	20/4/2002	24th Sybil Ludington 50 km Run	50,00	—
69	28/4/2001	23rd Sybil Ludington 50 km Run	50,00	—
70	19/11/2000	6th The Breakers Marathon - Nifty Fifty Kilometers	50,00	—
71	23/4/2000	26th Lake Waramaug 50km Ultra Marathon	50,00	—
72	24/4/1999	21st Sybil Ludington 50 km Run	50,00	—
73	25/4/1998	20th Sybil Ludington 50 km Run	50,00	—
74	4/1/1998	3rd Recover from the Holidays 50K	50,00	—
75	19/4/1997	19th Sybil Ludington 50 km Run	50,00	—
76	27/4/1996	18th Sybil Ludington 50 km Run	50,00	—
77	29/4/1995	17th Sybil Ludington 50 km Run	50,00	—
78	28/5/1994	2nd Kurt Steiner 50K	50,00	—
79	16/4/1994	16th Sybil Ludington 50 km Run	50,00	—
80	17/6/2000	Joe Kleinerman 12-Hour Run Crocheron Park	48,44	—
81	11/5/2003	9th Mother's Day six hour race	45,06	—