Friedemann Koelbing
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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.
27
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
4
Countries visited ?
Spain
France
Italy
Switzerland
33,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 804; Σ finishers = 8 309. 2 804 / 8 309 × 100 = 33.75%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races954 km
> 100 km4
> 160 km1
Longest race175,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 01.03 | 52km | 6:16:16 h | 519 | |
| 2025 | ||||
| 16.05 | 175km | 28:35:10 h | 295 | |
| 16.03 | 52km | 6:23:34 h | 409 | |
| 2024 | ||||
| 17.03 | 53km | 6:09:10 h | 281 | |
| 2023 | ||||
| 19.03 | 53km | 6:14:50 h | 267 | |
| 2022 | ||||
| 13.03 | 55km | 6:24:22 h | 108 | |
| 2021 | ||||
| 04.09 | 109km | 20:38:01 h | 86 | |
| 03.07 | 45.6km | 5:25:39 h | 60 | |
| 11.06 | 103km | 24:06:04 h | 88 | |
| 2019 | ||||
| 06.07 | 45.6km | 5:20:14 h | 56 | |
| 07.06 | 102km | 22:50:05 h | 282 | |
| 17.03 | 55.4km | 6:51:45 h | 286 | |
| 2018 | ||||
| 09.06 | 53km | 9:36:43 h | 80 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/5/2025 | 3ème Trail Alsace Grand Est by UTMB - Ultra-Trail des Chevaliers | 175,00 | ×6 |
| ✓ 2 | 4/9/2021 | 7ème Ultra Trail du Haut-Koenigsbourg | 109,00 | ×4 |
| ✓ 3 | 11/6/2021 | 5th Dolomiti Extreme Trail 103km | 103,00 | ×3 |
| ✓ 4 | 7/6/2019 | 9a Tenerife Blue Ultratrail 102 km | 102,00 | ×3 |
| ✓ 5 | 17/3/2019 | 16ème Trail du Petit Ballon | 55,40 | ×2 |
| ✓ 6 | 13/3/2022 | 19ème Trail du Petit Ballon | 55,00 | ×2 |
| ✓ 7 | 17/3/2024 | 21ème Trail du Petit Ballon | 53,00 | ×1 |
| ✓ 8 | 19/3/2023 | 20ème Trail du Petit Ballon | 53,00 | ×1 |
| ✓ 9 | 9/6/2018 | 6^ Dolomiti Extreme Trail 53km | 53,00 | ×1 |
| ✓ 10 | 1/3/2026 | 23ème Trail du Petit Ballon | 52,00 | ×1 |
| ✓ 11 | 16/3/2025 | 22ème Trail du Petit Ballon | 52,00 | ×1 |
| ✓ 12 | 3/7/2021 | 9. Zermatt Ultra Marathon | 45,60 | ×1 |
| ✓ 13 | 6/7/2019 | 8. Zermatt Ultra Marathon | 45,60 | ×1 |
