Christopher Leforce
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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.
31
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
41,6%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 804; Σ finishers = 1 932. 804 / 1 932 × 100 = 41.61%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 190 km
> 100 km3
> 160 km3
> 24h2
Longest race160,9 km
33th Vermont 100 Mile Endurance Race — 16/7/2022
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 | |
|---|---|---|---|---|
| 2026 | ||||
| 16.05 | 50km | 8:08:45 h | 94 | |
| 2025 | ||||
| 01.11 | 36h | 94.951 km | 43 | |
| 10.05 | 50mi | 10:18:09 h | 41 | |
| 2023 | ||||
| 02.04 | 49.9km | 6:33:47 h | 78 | |
| 2022 | ||||
| 16.07 | 100mi | 26:14:58 h | 101 | |
| 2021 | ||||
| 06.11 | 36h | 62.764 km | 29 | |
| 16.10 | 100mi | 27:54:44 h | 7 | |
| 15.05 | 55mi | 11:50:54 h | 14 | |
| 2019 | ||||
| 02.02 | 50km | 7:39:23 h | 117 | |
| 2017 | ||||
| 15.07 | 100mi | 25:26:48 h | 154 | |
| 2016 | ||||
| 16.07 | 100km | 12:38:27 h | 16 | |
| 2015 | ||||
| 27.09 | 50mi | 9:52:00 h | 73 | |
| 2014 | ||||
| 28.09 | 50km | 5:52:58 h | 50 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/7/2022 | 33th Vermont 100 Mile Endurance Race | 160,93 | ×5 |
| ✓ 2 | 16/10/2021 | 13th Oil Creek 100 Mile Trail Run | 160,93 | ×5 |
| ✓ 3 | 15/7/2017 | 29th Vermont 100 Mile Endurance Race | 160,93 | ×5 |
| ✓ 4 | 16/7/2016 | 9th Vermont 100 km Endurance Race | 100,00 | ×3 |
| ✓ 5 | 1/11/2025 | 5th RUTFest | 94,95 | ×3 |
| ✓ 6 | 15/5/2021 | 7th Manchester to Monadnock Ultramarathon | 88,51 | ×2 |
| ✓ 7 | 10/5/2025 | 15th Dirty German Endurance Fest 50 Mile | 80,47 | ×2 |
| ✓ 8 | 27/9/2015 | 22nd Vermont 50 Miles Ultra Run | 80,47 | ×2 |
| ✓ 9 | 6/11/2021 | 1st RUTFest | 62,76 | ×2 |
| ✓ 10 | 16/5/2026 | 1st Rothrock | 50,00 | ×1 |
| ✓ 11 | 2/2/2019 | 14th Orcas Island 50k | 50,00 | ×1 |
| ✓ 12 | 28/9/2014 | 21st Vermont 50 km Ultra Run | 50,00 | ×1 |
| ✓ 13 | 2/4/2023 | 9th Gorge Waterfalls 50k | 49,90 | ×1 |