James Ritchie
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.
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
2
Countries visited ?
United Kingdom
United States
18,0%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 659; Σ finishers = 3 663. 659 / 3 663 × 100 = 17.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed26
Km — ultra races2 517 km
> 100 km8
> 160 km7
> 200 km3
Longest race380,0 km
8th Dragon's Back Race — 4/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail76,3%
Stage23,7%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/9/2023 | 8th Dragon's Back Race | 380,00 | ×8 |
| ✓ 2 | 9/8/2025 | Race Across Scotland 215 Mile | 346,01 | ×7 |
| ✓ 3 | 2/9/2022 | 10th Ring O' Fire - 135 Mile Coastal Ultra | 217,26 | ×4 |
| ✓ 4 | 2/10/2020 | North Coast 110 Mile | 177,03 | ×3 |
| ✓ 5 | 13/1/2024 | 12th Winter Spine Challenger South | 173,81 | ×3 |
| ✓ 6 | 27/1/2023 | 9th The Arc of Attrition 100 Mile | 160,93 | ×3 |
| ✓ 7 | 29/7/2022 | Lakeland 100 Mile | 160,93 | ×3 |
| ✓ 8 | 4/5/2019 | Isle of Wight Challenge | 106,00 | ×2 |
| ✓ 9 | 11/4/2026 | 1st Desert Peak Ultra | 100,00 | ×2 |
| ✓ 10 | 10/9/2016 | Thames Path Challenge | 100,00 | ×2 |
| ✓ 11 | 8/10/2022 | Lakes in a day Ultra | 80,47 | ×1 |
| ✓ 12 | 12/10/2019 | 2nd Mount Snowdon Ultra 50 | 80,47 | ×1 |
| ✓ 13 | 16/11/2019 | Beacons Ultra | 74,90 | ×1 |
| ✓ 14 | 13/1/2018 | 10th GB Ultra Country to Capital | 72,42 | ×1 |
| ✓ 15 | 21/5/2022 | 16th Endurancelife CTS - Classic Quarter | 70,81 | ×1 |
| ✓ 16 | 18/3/2017 | Coastal Trail Series - Sussex Ultra | 54,23 | ×1 |
| ✓ 17 | 19/3/2016 | Coastal Trail Series - Sussex Ultra | 54,23 | ×1 |
| ✓ 18 | 5/12/2015 | Coastal Trail Series - Dorset Ultra | 54,07 | ×1 |
| ✓ 19 | 2/12/2017 | Coastal Trail Series - Dorset Ultra | 53,59 | ×1 |