Alistair Ross
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
58,2%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 823; Σ finishers = 3 130. 1 823 / 3 130 × 100 = 58.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 389 km
> 100 km3
> 160 km2
Longest race160,9 km
12th Arc of Attrition by UTMB - Arc 100 — 23/1/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/1/2026 | 12th Arc of Attrition by UTMB - Arc 100 | 160,93 | ×4 |
| ✓ 2 | 24/1/2025 | 11th Arc of Attrition by UTMB - Arc 100 | 160,93 | ×4 |
| ✓ 3 | 17/5/2025 | 8th Ultra-Trail Snowdonia - 100km | 103,00 | ×3 |
| ✓ 4 | 6/4/2024 | 4th Lakes Traverse 100km | 100,00 | ×3 |
| ✓ 5 | 8/7/2023 | 9th Lakeland Trails Ultra 100 km | 100,00 | ×3 |
| ✓ 6 | 2/7/2022 | 5th Ultra-Trail Snowdonia UTS100 | 100,00 | ×3 |
| ✓ 7 | 17/9/2021 | Peak District Challenge - Gold Ultra 100km | 100,00 | ×3 |
| ✓ 8 | 10/7/2021 | 7th Ultimate Lakeland Trails Challenge 100 km | 100,00 | ×3 |
| ✓ 9 | 25/4/2015 | 10th Highland Fling Race 53 Mile | 85,30 | ×2 |
| ✓ 10 | 7/10/2023 | Lakes in a day Ultra | 80,47 | ×2 |
| ✓ 11 | 29/6/2019 | 6th Ultimate Lakeland Trails Challenge 55 km | 56,90 | ×1 |
| ✓ 12 | 16/11/2013 | Coastal Trail Series - Gower Ultra | 54,72 | ×1 |
| ✓ 13 | 10/8/2014 | 1st Peaks Skyrace (Peak Skyline) | 47,80 | ×1 |
| ✓ 14 | 2/4/2022 | Snowdonia Trail Running Challenge 46km – Spring Crossing | 46,50 | ×1 |
| ✓ 15 | 20/4/2024 | TEC Lake District 46km | 46,00 | ×1 |
| ✓ 16 | 7/7/2018 | Maverick X series Peak District | 46,00 | ×1 |