Alison Mason
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Born : 1980
Cat. W45 Ultrarunner since 2021
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
13
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 Kingdom17,1%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 188; Σ finishers = 1 097. 188 / 1 097 × 100 = 17.14%. 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%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 07.12 | 50km | 8th Hurtwood 50k Endurance Trail Run |
5:43:26 h | 62 |
| 2024 | ||||
| 08.12 | 50km | 7th Hurtwood 50k Endurance Trail Run |
5:43:49 h | 80 |
| 2022 | ||||
| 22.10 | 52km | Beachy Head Ultra |
5:22:22 h | 23 |
| 2021 | ||||
| 06.11 | 50km | Maverick Frontier South Downs |
5:40:38 h | 27 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/10/2022 | Beachy Head Ultra | 52,00 | ×4 |
| ✓ 2 | 7/12/2025 | 8th Hurtwood 50k Endurance Trail Run | 50,00 | ×3 |
| ✓ 3 | 8/12/2024 | 7th Hurtwood 50k Endurance Trail Run | 50,00 | ×3 |
| ✓ 4 | 6/11/2021 | Maverick Frontier South Downs | 50,00 | ×3 |