Jack White
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Born : 2003
Cat. M23 Ultrarunner since 2023
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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 Kingdom
United Kingdom74,6%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 399; Σ finishers = 535. 399 / 535 × 100 = 74.58%. 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)
Road33,3%
Trail66,7%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 07.02 | 50km | Hibernal Hills 50 km |
6:21:32 h | 55 |
| 2025 | ||||
| 03.05 | 50km | Mallory Park 50km |
3:49:58 h | 10 |
| 2023 | ||||
| 14.05 | 50km | Goring Gap Run |
8:23:16 h | 337 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/2/2026 | Hibernal Hills 50 km | 50,00 | ×4 |
| ✓ 2 | 3/5/2025 | Mallory Park 50km | 50,00 | ×4 |
| ✓ 3 | 14/5/2023 | Goring Gap Run | 50,00 | ×4 |