Will Merrifield
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Born : 1975
Cat. M50 Ultrarunner since 2024
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
10
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 Kingdom22,9%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 217; Σ finishers = 948. 217 / 948 × 100 = 22.89%. 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
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 31.05 | 50km | Three Castles 50km |
5:46:38 h | 86 |
| 2024 | ||||
| 06.07 | 50km | Serpent Trail Race 50km |
5:40:08 h | 133 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/5/2025 | Three Castles 50km | 50,00 | ×5 |
| ✓ 2 | 6/7/2024 | Serpent Trail Race 50km | 50,00 | ×5 |