Fiona Horsfield
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1980
Cat. W45 Ultrarunner since 2021
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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 Kingdom10,3%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 81; Σ finishers = 789. 81 / 789 × 100 = 10.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races1 140 km
> 100 km3
> 160 km3
> 200 km3
Longest race431,3 km
14th Winter Spine Race — 11/1/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F2
🏅 Top 31
🏅 Top 3 F5
Longest winning streak0
Current streak0
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 11.01 | 268mi | 14th Winter Spine Race |
4d 16:48:49 h | 6 |
| 2025 | ||||
| 22.11 | 50km | Kendal Skyline Ultra |
5:07:20 h | 34 |
| 05.04 | 300km | Northern Traverse 300km |
2d 06:12:21 h | 4 |
| 2024 | ||||
| 17.06 | 160mi | Summer Spine MRT Challenge North |
2d 02:24:02 h | 2 🥈 |
| 2021 | ||||
| 06.11 | 33mi | 11th Glen Ogle 33 |
4:58:07 h | 32 |
| 25.09 | 30mi | 5th Ochil Ultra 30mi |
5:44:03 h | 9 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/1/2026 | 14th Winter Spine Race | 431,30 | ×13 |
| ✓ 2 | 5/4/2025 | Northern Traverse 300km | 300,00 | ×9 |
| ✓ 3 | 17/6/2024 | Summer Spine MRT Challenge North | 257,50 | ×8 |
| ✓ 4 | 6/11/2021 | 11th Glen Ogle 33 | 53,11 | ×1 |
| ✓ 5 | 22/11/2025 | Kendal Skyline Ultra | 50,00 | ×1 |
| ✓ 6 | 25/9/2021 | 5th Ochil Ultra 30mi | 48,28 | ×1 |