John Kirwan
External sources
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19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?
Spain
United Kingdom
62,2%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 3 166; Σ finishers = 5 090. 3 166 / 5 090 × 100 = 62.20%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed21
Km — ultra races1 849 km
> 100 km7
> 160 km6
Longest race160,9 km
Lakeland 100 Mile — 27/7/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail93,9%
Stage6,1%
HISTORY
20 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/7/2018 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 2 | 28/7/2017 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 3 | 29/7/2016 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 4 | 11/6/2016 | 5th South Downs Way 100 Mile Race | 160,93 | ×4 |
| ✓ 5 | 24/7/2015 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 6 | 14/6/2014 | 3rd South Downs Way 100 Mile Race | 160,93 | ×4 |
| ✓ 7 | 1/7/2017 | Round The Island Isle of Wight Multistage Ultra | 112,65 | ×2 |
| ✓ 8 | 26/7/2025 | Lakeland 50 Mile | 80,47 | ×2 |
| ✓ 9 | 25/7/2014 | Lakeland 50 Mile | 80,47 | ×2 |
| ✓ 10 | 26/7/2013 | Lakeland 50 Mile | 80,47 | ×2 |
| ✓ 11 | 30/4/2016 | Oxon 40 Mile | 64,37 | ×1 |
| ✓ 12 | 28/8/2016 | White Cliffs Challenge | 51,50 | ×1 |
| ✓ 13 | 24/11/2019 | 36th Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 14 | 22/9/2018 | Humanity Direct Tring Ultra | 50,00 | ×1 |
| ✓ 15 | 27/11/2016 | 33rd Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 16 | 29/11/2015 | 32nd Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 17 | 30/11/2014 | 31st Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 18 | 5/3/2022 | Humanity Direct Amersham Ultra | 49,89 | ×1 |
| ✓ 19 | 7/3/2020 | Humanity Direct Amersham Ultra | 48,00 | ×1 |