William Burns

Born : 1969 Cat. M55 Ultrarunner since 2006

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

17,0%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 526; Σ finishers = 3 094. 526 / 3 094 × 100 = 17.00%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 845 km

> 100 km7

> 160 km6

> 24h1

Longest race160,9 km

20th Umstead Endurance Run 100 Miles — 5/4/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road18,9%

Trail81,1%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M4

Longest winning streak0

Current streak0

Records

50 km4h10'13 50 mi7h48'00 100 mi18h34'52 24 h117,42 km

HISTORY

18 race(s)

Date		Race	Perf.	Rk
2014
05.04	100mi	20th Umstead Endurance Run 100 Miles	18:55:25 h	22
2013
06.04	100mi	19th Umstead Endurance Run 100 Miles	20:38:51 h	26
2012
31.03	100mi	18th Umstead Endurance Run 100 Miles	20:19:51 h	21
04.02	40mi	20th Uwharrie Mountain Run	8:33:57 h	47
2011
04.06	50mi	4th Endurance Challenge - Washington D.C. Trail 50 Miles	10:14:28 h	112
02.04	100mi	17th Umstead Endurance Run 100 Miles	19:13:11 h	22
05.02	40mi	19th Uwharrie Mountain Run	8:35:00 h	25
08.01	50km	12th Salem Lakeshore Frosty Fifty	4:41:28 h	52
2010
27.03	50mi	16th Umstead Endurance Run 50 Miles	8:37:19 h	5
2009
04.04	100mi	15th Umstead Endurance Run 100 Miles	18:34:52 h	11
2008
27.09	24h	3rd Hinson Lake 24 Hour Ultra Classic	117.417 km	20
14.06	50mi	14th Bethel Hill Moonlight Boogie 50 Miles	8:05:37 h	3 🥉
05.04	100mi	14th Umstead Endurance Run 100 Miles	19:18:37 h	4
05.01	50km	9th Salem Lakeshore Frosty Fifty	4:22:42 h	31
2007
17.11	50mi	45th JFK 50 Mile	8:19:29 h	120
16.06	50mi	13th Bethel Hill Moonlight Boogie 50 Miles	7:48:00 h	4
06.01	50km	8th Salem Lakeshore Frosty Fifty	4:10:13 h	13
2006
07.10	50mi	4th Can Lake 50 Mile Ultra	7:48:44 h	6

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/4/2014	20th Umstead Endurance Run 100 Miles	160,93	×4
✓ 2	6/4/2013	19th Umstead Endurance Run 100 Miles	160,93	×4
✓ 3	31/3/2012	18th Umstead Endurance Run 100 Miles	160,93	×4
✓ 4	2/4/2011	17th Umstead Endurance Run 100 Miles	160,93	×4
✓ 5	4/4/2009	15th Umstead Endurance Run 100 Miles	160,93	×4
✓ 6	5/4/2008	14th Umstead Endurance Run 100 Miles	160,93	×4
✓ 7	27/9/2008	3rd Hinson Lake 24 Hour Ultra Classic	117,42	×2
✓ 8	4/6/2011	4th Endurance Challenge - Washington D.C. Trail 50 Miles	80,47	×2
✓ 9	27/3/2010	16th Umstead Endurance Run 50 Miles	80,47	×2
✓ 10	14/6/2008	14th Bethel Hill Moonlight Boogie 50 Miles	80,47	×2
✓ 11	17/11/2007	45th JFK 50 Mile	80,47	×2
✓ 12	16/6/2007	13th Bethel Hill Moonlight Boogie 50 Miles	80,47	×2
✓ 13	7/10/2006	4th Can Lake 50 Mile Ultra	80,47	×2
✓ 14	4/2/2012	20th Uwharrie Mountain Run	64,37	×1
✓ 15	5/2/2011	19th Uwharrie Mountain Run	64,37	×1
✓ 16	8/1/2011	12th Salem Lakeshore Frosty Fifty	50,00	×1
✓ 17	5/1/2008	9th Salem Lakeshore Frosty Fifty	50,00	×1
✓ 18	6/1/2007	8th Salem Lakeshore Frosty Fifty	50,00	×1