Brian Teason

Born : 1961 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 ?

Canada

France

Japan

United States

17,7%

Rank quotient ?This runner's calculation uses 90 eligible race(s): Σ(rank − 1) = 923; Σ finishers = 5 225. 923 / 5 225 × 100 = 17.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed90

Km — ultra races6 893 km

> 100 km10

> 160 km3

> 200 km1

> 24h12

Longest race223,7 km

4th 3 Days at the Fair 24 Hour Race — 18/5/2013

Km per year (ultra races)

198

2022

259

2023

149

2024

2025

2026

Race types (share of distance)

Road80,0%

Trail20,0%

Wins & podiums (ultra)

🏆 Win20

🏆 Win M21

🏅 Top 340

🏅 Top 3 M44

Longest winning streak3

Current streak0

Records

50 km2h59'05 100 km7h02'14 50 mi5h23'41 100 mi17h58'21 6 h86,38 km 12 h115,87 km 24 h223,70 km

HISTORY

91 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2025
09.08	8h	13h Sweltering Summer Ultra 8 Hours Run	46.864 km	40
2024
05.10	6h	2nd Flutters and Foliage Endurance Run	48.924 km	9
28.04	50km	50th Jack Bristol Lake Waramaug 50km Ultra Marathon	4:59:33 h	8
10.03	50km	22th USATF National 50K Road Open Race Caumsett	5:12:46 h	12
2023
14.10	6h	1st Flutters and Foliage Endurance Run	53.591 km	9
12.08	8h	11th Sweltering Summer Ultra 8 Hours Run	59.980 km	18
09.07	6h	9th Notchview Ultra 6 Hour Ultra	45.866 km	5
30.04	50km	49th Jack Bristol Lake Waramaug 50km Ultra Marathon	4:48:46 h	14
12.03	50km	21th USATF National 50K Road Championship Caumsett	4:59:47 h	29
2022
13.08	6h	2nd 6 Hours On Lover's Lane	47.877 km	8
18.06	50km	8th Vegan Power 50K	6:13:31 h	16
27.02	50km	20th Caumsett Park 50K Lloyd Neck - Championships	4:49:42 h	25
29.01	50km	8th Florida Skydive Ultra Run - 50 km	5:38:04 h	2 🥈
2020
01.03	50km	18th Caumsett Park 50K Lloyd Neck - Championships	4:44:35 h	24
2019
28.09	50km	Beebe Farm 50K Run	5:25:05 h	3 🥉
10.08	8h	7th Sweltering Summer Ultra 8 Hours Run	72.613 km	7
13.07	6h	2nd Ethan Allen 6 Hour Run	46.920 km	2 🥈
28.04	50mi	45th Lake Waramaug 50mi Ultra Marathon	9:05:12 h	15
03.03	50km	17th Caumsett Park 50K Lloyd Neck - Championships	4:23:48 h	27
26.01	50mi	5th Florida Skydive Ultra Run - 50 Miles	9:27:24 h	4
2018
20.10	12h	10th 12H The Hard Way	102.998 km	1 🏆
28.09	24h	Beebe Farm 24-Hour Run	100.986 km	8
11.08	8h	6th Sweltering Summer Ultra 8 Hours Run	75.492 km	7
14.07	6h	1st Ethan Allen 6 Hour Run	45.620 km	2 🥈
12.05	12h	23rd Dawn to Dusk to Dawn 12 Hour	50.399 km	11
29.04	50mi	44th Lake Waramaug 50mi Ultra Marathon	6:55:58 h	2 🥈
04.03	50km	16th Caumsett Park 50K Lloyd Neck - Championships	3:57:59 h	14
2017
21.10	24h	9th 24H The Hard Way	88.240 km	3 🥉
12.08	8h	5th Sweltering Summer Ultra 8 Hours Run	81.212 km	3 🥉
22.07	6h	7th BUS 6-Hour Pajama Run	55.908 km	8
03.07	40mi	BUS Anniversary Run 40-Miler	5:46:51 h	2 🥈
30.04	50mi	43th Lake Waramaug 50mi Ultra Marathon	6:46:59 h	1 🏆
05.03	50km	15th Caumsett Park 50K Lloyd Neck - Championships	3:52:47 h	14
2016
11.11	24h	4th NJ One Day 24 Hour Race	114.263 km	22
11.11	50mi	4th NJ One Day 24 Hour Race - 50mi Split	7:59:45 h	7
22.10	24h	8th 24H The Hard Way	79.614 km	24
17.09	24h	4th That Dam Hill 24 Hour Run	84.960 km	27
06.08	8h	4th Sweltering Summer Ultra 8 Hours Run	53.760 km	33
16.07	100km	9th Vermont 100 km Endurance Race	18:10:36 h	55
14.05	24h	21st Dawn to Dusk to Dawn 24 Hour	85.200 km	29
24.04	50mi	42th Lake Waramaug 50mi Ultra Marathon	6:55:06 h	1 🏆
06.03	50km	14th Caumsett Park 50K Lloyd Neck - Championships	3:52:54 h	23
2015
24.10	12h	7th 12H The Hard Way	115.872 km	1 🏆
22.08	6h	1st Six Hours in Paradise	49.406 km	2 🥈
25.07	6h	5th BUS 6-Hour Pajama Run	57.872 km	9
26.04	50mi	41th Lake Waramaug 50mi Ultra Marathon	6:43:34 h	1 🏆
01.03	50km	13th Caumsett Park 50K Lloyd Neck - Championships	4:04:46 h	28
31.01	50mi	2nd Skydive Ultra Run - 50 Miles	7:46:08 h	1 🏆
2014
13.12	24h	5th Desert Solstice 24 Hour Run	92.000 km	21
25.10	24h	6th 24H The Hard Way	152.887 km	8
20.09	6h	12th Staten Island 6 hour Ultra race	73.547 km	1 🏆
31.05	12h	19th Dawn to Dusk to Dawn 12 Hour	86.000 km	3 🥉
17.05	24h	6th 3 Days at the Fair 24 Hour Race	154.497 km	12
02.03	50km	12th Caumsett Park 50K Lloyd Neck	3:55:01 h	19
2013
29.12	24h	29th Across the Years, 24h	81.094 km	108
26.10	24h	5th 24H The Hard Way	168.707 km	17
21.09	6h	11th Staten Island 6 hour Ultra race	74.764 km	2 🥈
18.05	24h	4th 3 Days at the Fair 24 Hour Race	223.698 km	2 🥈
06.04	6h	3rd BUS 6-Hour Run	74.775 km	2 🥈
03.03	50km	11th Caumsett Park 50K Lloyd Neck - Championships	3:58:02 h	16
19.01	100mi	3rd Long Haul 100 Mile Ultra-Marathons	17:58:21 h	4
2012
22.12	50km	1st BUS Trail Mix-Up Run 50K	3:54:24 h	1 🏆
14.10	6h	13th 6 Hour 60th Birthday Run	63.182 km	7
2003
02.03	50km	1st Caumsett Park 50K Lloyd Neck	3:58:11 h	2 🥈
2002
20.10	6h	3rd 6 Hour 60th Birthday Run	71.052 km	2 🥈
2000
17.06	12h	Joe Kleinerman 12-Hour Run Crocheron Park	101.839 km	5
23.04	50mi	26th Lake Waramaug 50mi Ultra Marathon	6:27:42 h	2 🥈
25.03	50km	7th GNC 100 km Run Challenge - 50km Split	3:44:01 h	16
1999
04.12	50mi	10th Sunmart Texas Trails 50 Mile	6:26:15 h	8
13.11	50mi	4th Helen Klein Ultra Classic 50mi	5:45:46 h	3 🥉
13.06	6h	Cirulnick-Innamorato Six Hour Distance Run	79.345 km	1 🏆
15.05	100km	Open Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	7:19:38 h	50
15.05	100km	IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	7:19:38 h	43
27.03	50km	6th GNC 50 km Run Challenge	3:23:10 h	10
27.03	50mi	6th GNC 50 Mile Run Challenge	5:25:36 h	1 🏆
28.02	50km	Knight Trail 50 km	2:59:05 h	1 🏆
16.01	100km	1st Withlacoochee Rails to Trails 100 km Run	7:02:14 h	1 🏆
1998
12.12	50mi	9th Sunmart Texas Trails 50 Mile	6:14:32 h	2 🥈
14.11	50mi	3rd Helen Klein Ultra Classic 50mi	5:29:48 h	1 🏆
18.10	100km	IAU 100km WC Nakamura (5th River Shimanto 100km)	7:42:36 h	21
27.06	50km	6th Niagara Ultra 50 km	3:12:26 h	1 🏆
16.05	50mi	1st Long Island Endurance 50 Miles Run	5:52:05 h	1 🏆
28.03	100km	5th GNC 100 km Run Challenge	7:55:47 h	7
1997
13.12	50mi	8th Sunmart Texas Trails 50 Mile	5:52:07 h	1 🏆
15.11	50mi	2nd Helen Klein Ultra Classic 50mi	5:28:56 h	2 🥈
31.08	6h	Cirulnick-Innamorato Six Hour Distance Run	86.375 km	1 🏆
28.06	50mi	5th Niagara Ultra 50 Mile	5:23:41 h	1 🏆
1996
19.10	100km	12th Edmund Fitzgerald 100K Road Race	7:44:33 h	5
29.06	50mi	4th Niagara Ultra 50 Mile	6:21:49 h	1 🏆
30.03	50mi	2nd Croom Trail 50 Mile Fools Run	6:02:11 h	1 🏆
1995
01.10	50mi	24th Metropolitan 50 Mile Race	6:51:16 h	4
1994
26.11	60km	15th NYRR Knickerbocker 60K	4:21:25 h	3 🥉

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	18/5/2013	4th 3 Days at the Fair 24 Hour Race	223,70	×3
✓ 2	26/10/2013	5th 24H The Hard Way	168,71	×2
✓ 3	19/1/2013	3rd Long Haul 100 Mile Ultra-Marathons	160,93	×2
✓ 4	17/5/2014	6th 3 Days at the Fair 24 Hour Race	154,50	×2
✓ 5	25/10/2014	6th 24H The Hard Way	152,89	×2
✓ 6	24/10/2015	7th 12H The Hard Way	115,87	×1
✓ 7	11/11/2016	4th NJ One Day 24 Hour Race	114,26	×1
✓ 8	20/10/2018	10th 12H The Hard Way	103,00	×1
✓ 9	17/6/2000	Joe Kleinerman 12-Hour Run Crocheron Park	101,84	×1
✓ 10	28/9/2018	Beebe Farm 24-Hour Run	100,99	×1
✓ 11	16/7/2016	9th Vermont 100 km Endurance Race	100,00	×1
✓ 12	15/5/1999	Open Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	100,00	×1
✓ 13	16/1/1999	1st Withlacoochee Rails to Trails 100 km Run	100,00	×1
✓ 14	18/10/1998	IAU 100km WC Nakamura (5th River Shimanto 100km)	100,00	×1
✓ 15	28/3/1998	5th GNC 100 km Run Challenge	100,00	×1
✓ 16	19/10/1996	12th Edmund Fitzgerald 100K Road Race	100,00	×1
✓ 17	13/12/2014	5th Desert Solstice 24 Hour Run	92,00	×1
✓ 18	21/10/2017	9th 24H The Hard Way	88,24	×1
✓ 19	31/8/1997	Cirulnick-Innamorato Six Hour Distance Run	86,38	×1
✓ 20	31/5/2014	19th Dawn to Dusk to Dawn 12 Hour	86,00	×1
✓ 21	14/5/2016	21st Dawn to Dusk to Dawn 24 Hour	85,20	×1
✓ 22	17/9/2016	4th That Dam Hill 24 Hour Run	84,96	×1
✓ 23	12/8/2017	5th Sweltering Summer Ultra 8 Hours Run	81,21	×1
✓ 24	29/12/2013	29th Across the Years, 24h	81,09	×1
✓ 25	28/4/2019	45th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 26	26/1/2019	5th Florida Skydive Ultra Run - 50 Miles	80,47	×1
✓ 27	29/4/2018	44th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 28	30/4/2017	43th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 29	24/4/2016	42th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 30	26/4/2015	41th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 31	31/1/2015	2nd Skydive Ultra Run - 50 Miles	80,47	×1
✓ 32	23/4/2000	26th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 33	4/12/1999	10th Sunmart Texas Trails 50 Mile	80,47	×1
✓ 34	13/11/1999	4th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 35	27/3/1999	6th GNC 50 Mile Run Challenge	80,47	×1
✓ 36	12/12/1998	9th Sunmart Texas Trails 50 Mile	80,47	×1
✓ 37	14/11/1998	3rd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 38	16/5/1998	1st Long Island Endurance 50 Miles Run	80,47	×1
✓ 39	13/12/1997	8th Sunmart Texas Trails 50 Mile	80,47	×1
✓ 40	15/11/1997	2nd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 41	28/6/1997	5th Niagara Ultra 50 Mile	80,47	×1
✓ 42	29/6/1996	4th Niagara Ultra 50 Mile	80,47	×1
✓ 43	30/3/1996	2nd Croom Trail 50 Mile Fools Run	80,47	×1
✓ 44	1/10/1995	24th Metropolitan 50 Mile Race	80,47	×1
✓ 45	22/10/2016	8th 24H The Hard Way	79,61	×1
✓ 46	13/6/1999	Cirulnick-Innamorato Six Hour Distance Run	79,35	×1
✓ 47	11/8/2018	6th Sweltering Summer Ultra 8 Hours Run	75,49	×1
✓ 48	6/4/2013	3rd BUS 6-Hour Run	74,78	×1
✓ 49	21/9/2013	11th Staten Island 6 hour Ultra race	74,76	×1
✓ 50	20/9/2014	12th Staten Island 6 hour Ultra race	73,55	×1
✓ 51	10/8/2019	7th Sweltering Summer Ultra 8 Hours Run	72,61	×1
✓ 52	20/10/2002	3rd 6 Hour 60th Birthday Run	71,05	×1
✓ 53	3/7/2017	BUS Anniversary Run 40-Miler	64,37	×1
✓ 54	14/10/2012	13th 6 Hour 60th Birthday Run	63,18	×1
✓ 55	26/11/1994	15th NYRR Knickerbocker 60K	60,00	×1
✓ 56	12/8/2023	11th Sweltering Summer Ultra 8 Hours Run	59,98	—
✓ 57	25/7/2015	5th BUS 6-Hour Pajama Run	57,87	—
58	22/7/2017	7th BUS 6-Hour Pajama Run	55,91	—
59	6/8/2016	4th Sweltering Summer Ultra 8 Hours Run	53,76	—
60	14/10/2023	1st Flutters and Foliage Endurance Run	53,59	—
61	12/5/2018	23rd Dawn to Dusk to Dawn 12 Hour	50,40	—
62	28/4/2024	50th Jack Bristol Lake Waramaug 50km Ultra Marathon	50,00	—
63	10/3/2024	22th USATF National 50K Road Open Race Caumsett	50,00	—
64	30/4/2023	49th Jack Bristol Lake Waramaug 50km Ultra Marathon	50,00	—
65	12/3/2023	21th USATF National 50K Road Championship Caumsett	50,00	—
66	18/6/2022	8th Vegan Power 50K	50,00	—
67	27/2/2022	20th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
68	29/1/2022	8th Florida Skydive Ultra Run - 50 km	50,00	—
69	1/3/2020	18th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
70	28/9/2019	Beebe Farm 50K Run	50,00	—
71	3/3/2019	17th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
72	4/3/2018	16th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
73	5/3/2017	15th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
74	6/3/2016	14th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
75	1/3/2015	13th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
76	2/3/2014	12th Caumsett Park 50K Lloyd Neck	50,00	—
77	3/3/2013	11th Caumsett Park 50K Lloyd Neck - Championships	50,00	—
78	22/12/2012	1st BUS Trail Mix-Up Run 50K	50,00	—
79	2/3/2003	1st Caumsett Park 50K Lloyd Neck	50,00	—
80	28/2/1999	Knight Trail 50 km	50,00	—
81	27/6/1998	6th Niagara Ultra 50 km	50,00	—
82	22/8/2015	1st Six Hours in Paradise	49,41	—
83	5/10/2024	2nd Flutters and Foliage Endurance Run	48,92	—
84	13/8/2022	2nd 6 Hours On Lover's Lane	47,88	—
85	13/7/2019	2nd Ethan Allen 6 Hour Run	46,92	—
86	9/8/2025	13h Sweltering Summer Ultra 8 Hours Run	46,86	—
87	9/7/2023	9th Notchview Ultra 6 Hour Ultra	45,87	—
88	14/7/2018	1st Ethan Allen 6 Hour Run	45,62	—