Douglas Vaughan
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
1
Countries visited ?
United States
31,4%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 827; Σ finishers = 2 637. 827 / 2 637 × 100 = 31.36%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races2 072 km
> 100 km7
> 160 km7
> 200 km1
> 24h4
> 48h3
Longest race244,5 km
38th Across the Years, 72h — 28/12/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road39,8%
Trail60,2%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/12/2022 | 38th Across the Years, 72h | 244,50 | ×6 |
| ✓ 2 | 28/12/2025 | 41st Across the Years, 72h | 193,00 | ×4 |
| ✓ 3 | 2/4/2011 | 17th Umstead Endurance Run 100 Miles | 160,93 | ×4 |
| ✓ 4 | 27/3/2010 | 16th 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 | 8/4/2006 | 12th Umstead Endurance Run 100 Miles | 160,93 | ×4 |
| ✓ 8 | 12/11/2011 | 9th Javelina Jundred 100 km Endurance Run | 100,00 | ×2 |
| ✓ 9 | 23/10/2010 | 8th Javelina Jundred 100 km Endurance Run | 100,00 | ×2 |
| ✓ 10 | 28/12/2023 | 39th Across the Years, 24h | 99,75 | ×2 |
| ✓ 11 | 5/4/2014 | 20th Umstead Endurance Run 50 Miles | 80,47 | ×2 |
| ✓ 12 | 17/11/2007 | 45th JFK 50 Mile | 80,47 | ×2 |
| ✓ 13 | 2/4/2005 | 11th Umstead Endurance Run 50 Miles | 80,47 | ×2 |
| ✓ 14 | 28/12/2024 | 41th Across the Years, 72h | 72,54 | ×1 |
| ✓ 15 | 26/11/2005 | 25th NYRR Knickerbocker 60K | 60,00 | ×1 |
| ✓ 16 | 18/7/2015 | 1st 8-Hour Dream Endurance Race | 55,52 | ×1 |
| ✓ 17 | 22/7/2017 | 3rd 8-Hour Dream Endurance Race | 50,13 | ×1 |
| ✓ 18 | 1/3/2009 | 7th Caumsett Park 50K Lloyd Neck | 50,00 | ×1 |