Leif Tretbar
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Born : 1966
Cat. M60 Ultrarunner since 2010
9
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
2
Countries visited ?Germany
Switzerland
GermanySwitzerland51,0%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 819; Σ finishers = 3 569. 1 819 / 3 569 × 100 = 50.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races624 km
> 24h2
Longest race100,0 km
10. Taubertal 100 km — 5/10/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,0%
Trail49,8%
Elim.34,1%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 25.04 | 54km | 45. Harzquerung |
6:49:17 h | 186 |
| 2025 | ||||
| 20.09 | 29h | 5. Langenberg Ultramarathon - The Devil's Loop |
66.600 km | 76 |
| 2024 | ||||
| 05.10 | 100km | 10. Taubertal 100 km |
12:23:18 h | 39 |
| 27.04 | 53km | 43. Harzquerung |
6:25:40 h | 202 |
| 2023 | ||||
| 23.09 | 27h | 3. Langenberg Ultramarathon - The Devil's Loop |
79.920 km | 28 |
| 29.04 | 53km | 42. Harzquerung |
6:55:04 h | 302 |
| 2022 | ||||
| 10.09 | 20h | 2. Langenberg Ultramarathon - The Devil's Loop |
66.600 km | 22 |
| 2011 | ||||
| 30.04 | 51km | 32. Harzquerung Wernigerode-Nordhausen |
5:41:51 h | 282 |
| 2010 | ||||
| 11.06 | 100km | 52. 100 km Lauf Biel |
12:58:40 h | 691 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/10/2024 | 10. Taubertal 100 km | 100,00 | ×4 |
| ✓ 2 | 11/6/2010 | 52. 100 km Lauf Biel | 100,00 | ×4 |
| ✓ 3 | 23/9/2023 | 3. Langenberg Ultramarathon - The Devil's Loop | 79,92 | ×3 |
| ✓ 4 | 20/9/2025 | 5. Langenberg Ultramarathon - The Devil's Loop | 66,60 | ×2 |
| ✓ 5 | 10/9/2022 | 2. Langenberg Ultramarathon - The Devil's Loop | 66,60 | ×2 |
| ✓ 6 | 25/4/2026 | 45. Harzquerung | 54,00 | ×2 |
| ✓ 7 | 27/4/2024 | 43. Harzquerung | 53,00 | ×2 |
| ✓ 8 | 29/4/2023 | 42. Harzquerung | 53,00 | ×2 |
| ✓ 9 | 30/4/2011 | 32. Harzquerung Wernigerode-Nordhausen | 51,00 | ×2 |