Andrew Niebel
External sources
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
64,1%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 3 669; Σ finishers = 5 727. 3 669 / 5 727 × 100 = 64.06%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 22.11 | 50mi | 9:44:08 h | 374 | |
| 09.02 | 52km | 6:05:01 h | 160 | |
| 2024 | ||||
| 23.11 | 50mi | 12:12:09 h | 970 | |
| 2018 | ||||
| 17.11 | 50mi | 11:27:20 h | 471 | |
| 2003 | ||||
| 22.11 | 50mi | 11:30:00 h | 614 | |
| 1984 | ||||
| 17.11 | 50mi | 11:37:56 h | 184 | |
| 1982 | ||||
| 20.11 | 50mi | 11:26:10 h | 213 | |
| 1981 | ||||
| 21.11 | 50mi | 12:55:55 h | 248 | |
| 1980 | ||||
| 22.11 | 50mi | 11:52:51 h | 240 | |
| 1979 | ||||
| 17.11 | 50mi | 11:27:44 h | 205 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/11/2025 | 63rd JFK 50 Mile | 80,47 | ×3 |
| ✓ 2 | 23/11/2024 | 62nd JFK 50 Mile | 80,47 | ×3 |
| ✓ 3 | 17/11/2018 | 56th JFK 50 Mile | 80,47 | ×3 |
| ✓ 4 | 22/11/2003 | 41st JFK 50 Mile | 80,47 | ×3 |
| ✓ 5 | 17/11/1984 | 22nd JFK 50 Mile | 80,47 | ×3 |
| ✓ 6 | 20/11/1982 | 20th JFK 50 Mile | 80,47 | ×3 |
| ✓ 7 | 21/11/1981 | 19th JFK 50 Mile | 80,47 | ×3 |
| ✓ 8 | 22/11/1980 | 18th JFK 50 Mile | 80,47 | ×3 |
| ✓ 9 | 17/11/1979 | 17th JFK 50 Mile | 80,47 | ×3 |
| ✓ 10 | 9/2/2025 | 12th Black Canyon Trail 50 km Run | 52,00 | ×2 |