Mark Weber
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 ?
Costa Rica
United States
43,4%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 430; Σ finishers = 990. 430 / 990 × 100 = 43.43%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races669 km
> 24h1
Longest race92,1 km
10th Hallucination 24 Hour Trail Run — 14/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail92,5%
Elim.7,5%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 14.11 | 24h | 92.054 km | 13 | |
| 14.06 | 15.5h elimination race | 49.889 km | 12 | |
| 22.03 | 50km | 7:08:00 h | 13 | |
| 2022 | ||||
| 29.10 | 52.4km | 9:01:29 h | 86 | |
| 2017 | ||||
| 22.04 | 50km | 5:09:56 h | 32 | |
| 18.03 | 80km | 12:22:54 h | 11 | |
| 2016 | ||||
| 13.08 | 40mi | 7:50:48 h | 10 | |
| 25.06 | 50km | 5:05:25 h | 24 | |
| 30.04 | 50mi | 11:24:28 h | 144 | |
| 19.03 | 50km | 6:05:53 h | 56 | |
| 2015 | ||||
| 07.02 | 50km | 6:19:07 h | 40 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/11/2025 | 10th Hallucination 24 Hour Trail Run | 92,05 | ×3 |
| ✓ 2 | 30/4/2016 | 9th Endurance Challenge - New York Trail 50 Miles | 80,47 | ×3 |
| ✓ 3 | 18/3/2017 | 2nd Ultra Trail Costa Rica (UTCR) 80K | 80,00 | ×3 |
| ✓ 4 | 13/8/2016 | 5th TARC Summer Classic 40 Mile | 64,37 | ×2 |
| ✓ 5 | 29/10/2022 | 5th Fonta Flora 50k | 52,40 | ×2 |
| ✓ 6 | 22/3/2025 | 2nd Camp Croft 50 km | 50,00 | ×2 |
| ✓ 7 | 22/4/2017 | 7th TARC Spring Classic 50 km | 50,00 | ×2 |
| ✓ 8 | 25/6/2016 | 3rd Catamount Ultra Marathon | 50,00 | ×2 |
| ✓ 9 | 19/3/2016 | 11th Antelope Island Buffalo Run 50 km | 50,00 | ×2 |
| ✓ 10 | 7/2/2015 | 3rd Mill Stone 50K | 50,00 | ×2 |
| ✓ 11 | 14/6/2025 | 6th Longest Day Race (USA) | 49,89 | ×2 |