Jean-Laurent Dumitran
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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.
23
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 ?
France
78,4%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 603; Σ finishers = 2 045. 1 603 / 2 045 × 100 = 78.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races733 km
> 24h3
Longest race80,5 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail66,2%
Elim.33,8%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.06 | Backyard Ultra | 80.472 km (12h) | 41 | |
| 11.05 | 46km | 6:38:32 h | 140 | |
| 14.03 | Backyard Ultra | 60.354 km (9h) | 160 | |
| 2024 | ||||
| 01.12 | 45km | 6:47:05 h | 313 | |
| 02.08 | Backyard Ultra | 46.942 km (7h) | 82 | |
| 30.06 | 60km | 9:38:01 h | 58 | |
| 01.06 | 15h | 60.300 km | 45 | |
| 2023 | ||||
| 09.04 | 60km | 10:47:24 h | 78 | |
| 2022 | ||||
| 25.09 | 59km | 10:39:15 h | 266 | |
| 22.05 | 58km | 8:06:06 h | 26 | |
| 15.05 | 45km | 5:59:33 h | 154 | |
| 17.04 | 62km | 9:20:05 h | 178 | |
| 02.04 | 50km | 5:58:48 h | 75 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/6/2025 | 4ème Backyard Bacqueville en Caux in Normandie Ultra | 80,47 | ×3 |
| ✓ 2 | 17/4/2022 | Le Radicatrail 62 km | 62,00 | ×2 |
| ✓ 3 | 14/3/2025 | 3ème Backyard Infinity Trail Les Terrils | 60,35 | ×2 |
| ✓ 4 | 1/6/2024 | 1er L'Ultra Forestier | 60,30 | ×2 |
| ✓ 5 | 30/6/2024 | 3ème Trail du Bois des Côtes | 60,00 | ×2 |
| ✓ 6 | 9/4/2023 | Trail Tour du Massif Montmorencéen (2T2M) - 60km | 60,00 | ×2 |
| ✓ 7 | 25/9/2022 | 6. Trail des Rois Maudits | 59,00 | ×2 |
| ✓ 8 | 22/5/2022 | Le Vernoli'Trail - Trail de Julie | 58,00 | ×2 |
| ✓ 9 | 2/4/2022 | La Diagonale des Yvelines 50km | 50,00 | ×2 |
| ✓ 10 | 2/8/2024 | 5ème Backyard Infinity Trail Normandie | 46,94 | ×2 |
| ✓ 11 | 11/5/2025 | La Viking NordicWalk & Trail - La Route d'Odin | 46,00 | ×2 |
| ✓ 12 | 1/12/2024 | Les 40 Bosses - 45km | 45,00 | ×1 |
| ✓ 13 | 15/5/2022 | 15ème Trail des Cerfs | 45,00 | ×1 |