James Madson
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
32,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 520; Σ finishers = 1 624. 520 / 1 624 × 100 = 32.02%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races968 km
> 100 km1
> 160 km1
Longest race160,9 km
4th Pine to Palm 100 Mile Endurance Run — 14/9/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 10.03 | 50km | 5:01:31 h | 19 | |
| 2020 | ||||
| 18.01 | 52km | 6:02:47 h | 30 | |
| 2018 | ||||
| 14.04 | 88km | 10:44:07 h | 15 | |
| 2017 | ||||
| 08.04 | 88km | 10:49:34 h | 12 | |
| 2016 | ||||
| 16.04 | 88km | 11:08:28 h | 9 | |
| 12.03 | 50km | 6:12:51 h | 17 | |
| 2014 | ||||
| 08.02 | 50km | 4:24:30 h | 15 | |
| 2013 | ||||
| 14.09 | 100mi | 29:25:05 h | 56 | |
| 27.07 | 50mi | 9:33:07 h | 56 | |
| 2012 | ||||
| 08.09 | 50mi | 9:43:40 h | 22 | |
| 2011 | ||||
| 30.07 | 50mi | 10:38:16 h | 115 | |
| 09.07 | 50km | 6:20:24 h | 99 | |
| 2010 | ||||
| 04.12 | 50km | 6:26:37 h | 68 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2013 | 4th Pine to Palm 100 Mile Endurance Run | 160,93 | ×6 |
| ✓ 2 | 14/4/2018 | 3rd Whiskey Basin 88 km Trail Run | 88,00 | ×3 |
| ✓ 3 | 8/4/2017 | 2nd Whiskey Basin 88 km Trail Run | 88,00 | ×3 |
| ✓ 4 | 16/4/2016 | 1st Whiskey Basin 88 km Trail Run | 88,00 | ×3 |
| ✓ 5 | 27/7/2013 | 21st White River 50 Mile Trail Run | 80,47 | ×3 |
| ✓ 6 | 8/9/2012 | 25th McKenzie River 50 Mile Trail Run | 80,47 | ×3 |
| ✓ 7 | 30/7/2011 | 19th White River 50 Mile Trail Run | 80,47 | ×3 |
| ✓ 8 | 18/1/2020 | 10th Coldwater Rumble 52K Race | 52,00 | ×2 |
| ✓ 9 | 10/3/2023 | 7th The Mid South (Land Run) Double 50k Ultra Marathon | 50,00 | ×1 |
| ✓ 10 | 12/3/2016 | 7th Mesquite Canyon 50 km | 50,00 | ×1 |
| ✓ 11 | 8/2/2014 | 16th Pemberton Trail 50 km | 50,00 | ×1 |
| ✓ 12 | 9/7/2011 | 13th Siskiyou Out Back 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 4/12/2010 | 4th Endurance Challenge - California Trail 50 km | 50,00 | ×1 |