Daniel Larson

Born : 1976 Cat. M50 Ultrarunner since 2004

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

South Korea

United States

13,4%

Rank quotient ?This runner's calculation uses 84 eligible race(s): Σ(rank − 1) = 1 142; Σ finishers = 8 543. 1 142 / 8 543 × 100 = 13.37%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed84

Km — ultra races8 001 km

> 100 km22

> 160 km22

> 200 km2

> 24h3

Longest race217,5 km

25th Across the Years, 24h — 30/12/2007

Km per year (ultra races)

161

2022

100

2023

361

2024

161

2025

161

2026

Race types (share of distance)

Road11,9%

Trail88,1%

Wins & podiums (ultra)

🏆 Win4

🏆 Win M6

🏅 Top 318

🏅 Top 3 M20

Longest winning streak1

Current streak0

Records

50 km4h16'20 100 km10h14'21 50 mi7h16'26 100 mi17h49'01 6 h46,35 km 24 h217,50 km

HISTORY

85 race(s)

Date		Race	Perf.	Rk
2026
17.07	100mi	37th Vermont 100 Mile Endurance Race	21:52:20 h	59
2025
18.07	100mi	36th Vermont 100 Mile Endurance Race	20:25:45 h	23
2024
19.07	100mi	35th Vermont 100 Mile Endurance Race	23:12:39 h	87
01.06	100km	7th Chesterfield Gorge 100 km Ultra Race	11:48:37 h	7
28.04	100km	50th Jack Bristol Lake Waramaug 100km Ultra Marathon	10:14:21 h	4
2023
03.06	100km	6th Chesterfield Gorge 100 km Ultra Race	10:55:44 h	2 🥈
2022
16.07	100mi	33th Vermont 100 Mile Endurance Race	20:59:18 h	17
2019
20.07	100mi	31th Vermont 100 Mile Endurance Race	21:30:22 h	12
26.05	50mi	14th Trail Festival at Pineland Farms	9:30:08 h	14
12.01	50km	13th Cape Cod Frozen 50k Race	5:34:00 h	9
2018
21.07	100mi	30th Vermont 100 Mile Endurance Race	18:38:25 h	15
23.06	100mi	7th The Great New York 100 Mile Running Exposition	24:54:07 h	20
27.05	50mi	13th Trail Festival at Pineland Farms	7:59:38 h	11
12.05	55mi	4th Manchester to Monadnock Ultramarathon	10:18:12 h	3 🥉
21.04	50km	8th TARC Spring Classic 50 km	5:27:35 h	27
24.03	6h	3rd TARC To Hale and Back 6 Hours	46.349 km	10
27.01	50km	12th Cape Cod Frozen 50k Race	5:32:45 h	6
2017
04.11	50mi	17th Stone Cat 50 Mile	8:43:41 h	25
29.07	55km	8th Grand Mesa 55 km Trail Race	6:51:31 h	7
15.07	100mi	29th Vermont 100 Mile Endurance Race	19:36:00 h	23
28.05	50mi	12th Trail Festival at Pineland Farms	8:12:55 h	20
22.04	50km	7th TARC Spring Classic 50 km	4:57:46 h	21
04.02	50km	11th Cape Cod Frozen 50k Race	5:40:00 h	10
2016
05.11	50mi	16th Stone Cat 50 Mile	8:12:16 h	15
27.08	80km	3rd ADK 80K	7:58:40 h	2 🥈
16.07	100mi	28th Vermont 100 Mile Endurance Race	18:51:21 h	11
2015
23.08	50km	4th Squamish 50km	6:39:41 h	24
22.08	50mi	4th Squamish 50mi	10:47:21 h	29
15.08	50mi	6th Fat Dog 50 Mile Trail Race	9:32:17 h	6
18.07	100mi	27th Vermont 100 Mile Endurance Race	18:08:35 h	7
24.05	50mi	10th Trail Festival at Pineland Farms	7:53:44 h	8
02.05	50mi	8th Endurance Challenge - New York Trail 50 Miles	9:42:54 h	36
28.03	50mi	2nd Runamuck 50M	8:46:10 h	2 🥈
21.03	50mi	6th New Jersey Ultra Festival 50 Mile Race	8:29:07 h	2 🥈
24.01	50km	9th Cape Cod Frozen 50k Race	5:16:00 h	2 🥈
2014
06.12	40mi	4th TARC Fells Trail Ultra Winter 40 Mile	8:13:13 h	3 🥉
18.10	50km	4th TARC Fall Classic 50 km	4:38:02 h	6
2013
14.06	100mi	1st TARC 100 Mile	20:52:32 h	4
26.05	50mi	8th Trail Festival at Pineland Farms	8:22:06 h	14
27.04	50km	3rd TARC Spring Classic 50 km	4:27:44 h	11
14.04	50km	17th TARC Don't Run Boston (DRB) 50K Split	6:33:00 h	10
2012
03.11	50mi	12th Stone Cat 50 Mile	8:06:23 h	14
30.09	50mi	19th Vermont 50 Miles Ultra Run	8:18:33 h	20
27.05	50mi	7th Trail Festival at Pineland Farms	7:50:51 h	14
19.05	8h	3rd CRUD 8 Hour Trail Run	70.811 km	1 🏆
12.05	50mi	6th TARC Wapack and Back 50 Mile Trail Race	11:09:36 h	6
28.04	50km	2nd TARC Spring Classic 50 km	4:39:50 h	16
07.01	50km	14th Fat Ass Race - GAC FA50	4:16:20 h	11
2011
03.12	40mi	1st TARC Fells Trail Ultra Winter 40 Mile	7:25:00 h	3 🥉
05.11	50mi	11th Stone Cat 50 Mile	7:47:11 h	8
08.10	50km	1st TARC Fall Classic 50 km	4:53:27 h	3 🥉
25.09	50mi	18th Vermont 50 Miles Ultra Run	8:07:18 h	14
16.07	100mi	23rd Vermont 100 Mile Endurance Race	17:57:58 h	6
04.06	53mi	3rd Peak Ultra 53 Mile Endurance Run	10:52:22 h	3 🥉
29.05	50mi	6th Trail Festival at Pineland Farms	7:36:07 h	12
07.05	50mi	5th TARC Wapack and Back 50 Mile Trail Race	10:18:00 h	1 🏆
08.01	50km	13th Fat Ass Race - GAC FA50	5:49:00 h	26
2010
26.09	50mi	17th Vermont 50 Miles Ultra Run	8:02:46 h	17
17.07	100mi	22nd Vermont 100 Mile Endurance Race	18:55:27 h	11
30.05	50mi	5th Trail Festival at Pineland Farms	7:40:02 h	12
2009
19.09	100mi	2nd Virgil Crest 100 Mile Ultra	19:42:00 h	3 🥉
18.07	100mi	21st Vermont 100 Mile Endurance Race	18:15:43 h	4
06.06	50mi	1st Pittsfield Peaks 50Miles Run	9:58:01 h	6
24.05	50mi	4th Trail Festival at Pineland Farms	7:16:26 h	5
10.01	50km	11th Fat Ass Race - GAC FA50	4:36:00 h	3 🥉
2008
18.10	24h	IAU 24h WC Seoul	181.198 km	101
20.07	50mi	1st Leadville Silver Rush 50 Mile Run	9:07:28 h	17
25.05	50mi	3rd Trail Festival at Pineland Farms	7:18:30 h	3 🥉
2007
30.12	24h	25th Across the Years, 24h	217.500 km	1 🏆
10.11	50mi	7th Stone Cat 50 Mile	7:53:14 h	3 🥉
21.07	100mi	19th Vermont 100 Mile Endurance Race	17:49:01 h	6
27.05	50km	2nd Trail Festival at Pineland Farms	4:22:51 h	8
2006
22.07	100mi	18th Vermont 100 Mile Endurance Race	19:01:52 h	8
23.04	50km	32th Lake Waramaug 50km Ultra Marathon	4:23:25 h	6
2005
31.12	24h	23rd Across the Years, 24h	211.000 km	1 🏆
15.11	50mi	5th Stone Cat 50 Mile	8:30:31 h	11
24.09	50mi	12th Vermont 50 Miles Ultra Run	8:05:43 h	11
2004
27.11	28mi	20th Quad Dipsea Trail Run	5:54:20 h	70
30.10	100mi	2nd Javelina Jundred 100 Mile	18:52:33 h	5
11.09	100mi	14th Superior Fall Trail Races 100 Mile	29:08:04 h	6
07.08	50km	3rd Big Basin Redwoods Trail Run	5:57:40 h	7
01.08	50km	23rd Skyline 50k Endurance Run	4:56:39 h	31
05.06	50km	4th Mount Diablo 50K	6:47:38 h	13
22.05	50km	2nd Carmel Valley 50K	6:33:20 h	9
01.05	100km	9th Miwok 100k Trail race	12:39:12 h	76

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/12/2007	25th Across the Years, 24h	217,50	×2
✓ 2	31/12/2005	23rd Across the Years, 24h	211,00	×2
✓ 3	18/10/2008	IAU 24h WC Seoul	181,20	×2
✓ 4	17/7/2026	37th Vermont 100 Mile Endurance Race	160,93	×2
✓ 5	18/7/2025	36th Vermont 100 Mile Endurance Race	160,93	×2
✓ 6	19/7/2024	35th Vermont 100 Mile Endurance Race	160,93	×2
✓ 7	16/7/2022	33th Vermont 100 Mile Endurance Race	160,93	×2
✓ 8	20/7/2019	31th Vermont 100 Mile Endurance Race	160,93	×2
✓ 9	21/7/2018	30th Vermont 100 Mile Endurance Race	160,93	×2
✓ 10	23/6/2018	7th The Great New York 100 Mile Running Exposition	160,93	×2
✓ 11	15/7/2017	29th Vermont 100 Mile Endurance Race	160,93	×2
✓ 12	16/7/2016	28th Vermont 100 Mile Endurance Race	160,93	×2
✓ 13	18/7/2015	27th Vermont 100 Mile Endurance Race	160,93	×2
✓ 14	14/6/2013	1st TARC 100 Mile	160,93	×2
✓ 15	16/7/2011	23rd Vermont 100 Mile Endurance Race	160,93	×2
✓ 16	17/7/2010	22nd Vermont 100 Mile Endurance Race	160,93	×2
✓ 17	19/9/2009	2nd Virgil Crest 100 Mile Ultra	160,93	×2
✓ 18	18/7/2009	21st Vermont 100 Mile Endurance Race	160,93	×2
✓ 19	21/7/2007	19th Vermont 100 Mile Endurance Race	160,93	×2
✓ 20	22/7/2006	18th Vermont 100 Mile Endurance Race	160,93	×2
✓ 21	30/10/2004	2nd Javelina Jundred 100 Mile	160,93	×2
✓ 22	11/9/2004	14th Superior Fall Trail Races 100 Mile	160,93	×2
✓ 23	1/6/2024	7th Chesterfield Gorge 100 km Ultra Race	100,00	×1
✓ 24	28/4/2024	50th Jack Bristol Lake Waramaug 100km Ultra Marathon	100,00	×1
✓ 25	3/6/2023	6th Chesterfield Gorge 100 km Ultra Race	100,00	×1
✓ 26	1/5/2004	9th Miwok 100k Trail race	100,00	×1
✓ 27	12/5/2018	4th Manchester to Monadnock Ultramarathon	88,51	×1
✓ 28	4/6/2011	3rd Peak Ultra 53 Mile Endurance Run	85,30	×1
✓ 29	26/5/2019	14th Trail Festival at Pineland Farms	80,47	×1
✓ 30	27/5/2018	13th Trail Festival at Pineland Farms	80,47	×1
✓ 31	4/11/2017	17th Stone Cat 50 Mile	80,47	×1
✓ 32	28/5/2017	12th Trail Festival at Pineland Farms	80,47	×1
✓ 33	5/11/2016	16th Stone Cat 50 Mile	80,47	×1
✓ 34	22/8/2015	4th Squamish 50mi	80,47	×1
✓ 35	15/8/2015	6th Fat Dog 50 Mile Trail Race	80,47	×1
✓ 36	24/5/2015	10th Trail Festival at Pineland Farms	80,47	×1
✓ 37	2/5/2015	8th Endurance Challenge - New York Trail 50 Miles	80,47	×1
✓ 38	28/3/2015	2nd Runamuck 50M	80,47	×1
✓ 39	21/3/2015	6th New Jersey Ultra Festival 50 Mile Race	80,47	×1
✓ 40	26/5/2013	8th Trail Festival at Pineland Farms	80,47	×1
✓ 41	3/11/2012	12th Stone Cat 50 Mile	80,47	×1
✓ 42	30/9/2012	19th Vermont 50 Miles Ultra Run	80,47	×1
✓ 43	27/5/2012	7th Trail Festival at Pineland Farms	80,47	×1
✓ 44	12/5/2012	6th TARC Wapack and Back 50 Mile Trail Race	80,47	×1
✓ 45	5/11/2011	11th Stone Cat 50 Mile	80,47	×1
✓ 46	25/9/2011	18th Vermont 50 Miles Ultra Run	80,47	×1
✓ 47	29/5/2011	6th Trail Festival at Pineland Farms	80,47	×1
✓ 48	7/5/2011	5th TARC Wapack and Back 50 Mile Trail Race	80,47	×1
✓ 49	26/9/2010	17th Vermont 50 Miles Ultra Run	80,47	×1
✓ 50	30/5/2010	5th Trail Festival at Pineland Farms	80,47	×1
✓ 51	6/6/2009	1st Pittsfield Peaks 50Miles Run	80,47	×1
✓ 52	24/5/2009	4th Trail Festival at Pineland Farms	80,47	×1
✓ 53	20/7/2008	1st Leadville Silver Rush 50 Mile Run	80,47	×1
✓ 54	25/5/2008	3rd Trail Festival at Pineland Farms	80,47	×1
✓ 55	10/11/2007	7th Stone Cat 50 Mile	80,47	×1
✓ 56	15/11/2005	5th Stone Cat 50 Mile	80,47	×1
✓ 57	24/9/2005	12th Vermont 50 Miles Ultra Run	80,47	×1
✓ 58	27/8/2016	3rd ADK 80K	80,00	×1
✓ 59	19/5/2012	3rd CRUD 8 Hour Trail Run	70,81	—
✓ 60	6/12/2014	4th TARC Fells Trail Ultra Winter 40 Mile	64,37	—
✓ 61	3/12/2011	1st TARC Fells Trail Ultra Winter 40 Mile	64,37	—
62	29/7/2017	8th Grand Mesa 55 km Trail Race	55,00	—
63	12/1/2019	13th Cape Cod Frozen 50k Race	50,00	—
64	21/4/2018	8th TARC Spring Classic 50 km	50,00	—
65	27/1/2018	12th Cape Cod Frozen 50k Race	50,00	—
66	22/4/2017	7th TARC Spring Classic 50 km	50,00	—
67	4/2/2017	11th Cape Cod Frozen 50k Race	50,00	—
68	23/8/2015	4th Squamish 50km	50,00	—
69	24/1/2015	9th Cape Cod Frozen 50k Race	50,00	—
70	18/10/2014	4th TARC Fall Classic 50 km	50,00	—
71	27/4/2013	3rd TARC Spring Classic 50 km	50,00	—
72	28/4/2012	2nd TARC Spring Classic 50 km	50,00	—
73	7/1/2012	14th Fat Ass Race - GAC FA50	50,00	—
74	8/10/2011	1st TARC Fall Classic 50 km	50,00	—
75	8/1/2011	13th Fat Ass Race - GAC FA50	50,00	—
76	10/1/2009	11th Fat Ass Race - GAC FA50	50,00	—
77	27/5/2007	2nd Trail Festival at Pineland Farms	50,00	—
78	23/4/2006	32th Lake Waramaug 50km Ultra Marathon	50,00	—
79	7/8/2004	3rd Big Basin Redwoods Trail Run	50,00	—
80	1/8/2004	23rd Skyline 50k Endurance Run	50,00	—
81	5/6/2004	4th Mount Diablo 50K	50,00	—
82	22/5/2004	2nd Carmel Valley 50K	50,00	—
83	24/3/2018	3rd TARC To Hale and Back 6 Hours	46,35	—
84	27/11/2004	20th Quad Dipsea Trail Run	45,06	—