Mark Damveld
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
32,1%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 448; Σ finishers = 1 395. 448 / 1 395 × 100 = 32.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 991 km
> 100 km9
> 160 km9
> 200 km2
Longest race331,5 km
10th Tahoe 200 Mile Endurance Run — 13/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 11.09 | 100mi trail race | 27:05:10 h | 27 | |
| 17.07 | 100mi | 24:45:58 h | 117 | |
| 18.03 | 200mi | 3d 20:26:51 h | 18 | |
| 2025 | ||||
| 06.12 | 100mi | 20:47:30 h | 21 | |
| 26.09 | 100mi | 22:33:59 h | 49 | |
| 13.06 | 206mi | 3d 12:50:30 h | 55 | |
| 2024 | ||||
| 12.10 | 100mi | 26:27:56 h | 58 | |
| 2023 | ||||
| 07.10 | 100mi | 21:58:33 h | 40 | |
| 2021 | ||||
| 10.09 | 100mi | 27:50:37 h | 43 | |
| 24.07 | 50km | 4:18:17 h | 4 | |
| 2014 | ||||
| 27.09 | 50mi | 9:45:24 h | 8 | |
| 2013 | ||||
| 24.08 | 50mi | 8:53:45 h | 20 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/6/2025 | 10th Tahoe 200 Mile Endurance Run | 331,52 | ×8 |
| ✓ 2 | 18/3/2026 | 3rd Southern States 200 | 321,87 | ×8 |
| ✓ 3 | 11/9/2026 | 18th Run Woodstock - 100 Mile Hallucination Run (USA) | 160,93 | ×4 |
| ✓ 4 | 17/7/2026 | 37th Vermont 100 Mile Endurance Race | 160,93 | ×4 |
| ✓ 5 | 6/12/2025 | 12th Brazos Bend 100 - 100 mi | 160,93 | ×4 |
| ✓ 6 | 26/9/2025 | 11th The Yeti 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 7 | 12/10/2024 | 12th Indiana Trail 100 Mile | 160,93 | ×4 |
| ✓ 8 | 7/10/2023 | 9th The Hennepin Hundred - 100 Mile Run | 160,93 | ×4 |
| ✓ 9 | 10/9/2021 | 13th Run Woodstock - 100 Mile Hallucination Run | 160,93 | ×4 |
| ✓ 10 | 27/9/2014 | 2nd Hungerford Trail Race 50 Mile | 80,47 | ×2 |
| ✓ 11 | 24/8/2013 | 14th North Country Trail Run 50 Mile | 80,47 | ×2 |
| ✓ 12 | 24/7/2021 | 6th Grand Island 50 km Race | 50,00 | ×1 |