Brian Stallwood
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
44,2%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 225; Σ finishers = 2 769. 1 225 / 2 769 × 100 = 44.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races839 km
> 100 km1
> 160 km1
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)
Trail100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 24.06 | 32mi | 8:44:30 h | 62 | |
| 2021 | ||||
| 26.06 | 32mi | 8:55:42 h | 106 | |
| 2018 | ||||
| 27.07 | 100mi | 39:13:17 h | 196 | |
| 16.06 | 33mi | 8:01:00 h | 42 | |
| 2017 | ||||
| 11.03 | 31.7mi | 5:58:22 h | 164 | |
| 2016 | ||||
| 30.04 | 61mi | 17:51:00 h | 59 | |
| 12.03 | 31.7mi | 6:23:56 h | 182 | |
| 2015 | ||||
| 25.04 | 61mi | 18:03:00 h | 111 | |
| 2014 | ||||
| 11.10 | 74km | 15:49:00 h | 64 | |
| 26.04 | 61mi | 18:17:00 h | 121 | |
| 2013 | ||||
| 09.03 | 32mi | 5:58:05 h | 129 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/7/2018 | Lakeland 100 Mile | 160,93 | ×6 |
| ✓ 2 | 30/4/2016 | 54th The Fellsman | 98,17 | ×3 |
| ✓ 3 | 25/4/2015 | 53rd The Fellsman | 98,17 | ×3 |
| ✓ 4 | 26/4/2014 | 52nd The Fellsman | 98,17 | ×3 |
| ✓ 5 | 11/10/2014 | Lakes in a day Ultra 50mi | 74,00 | ×2 |
| ✓ 6 | 16/6/2018 | 1st Lakeland Five Passes Ultra | 53,11 | ×2 |
| ✓ 7 | 24/6/2023 | 5th Lakeland Five Passes Ultra | 51,50 | ×2 |
| ✓ 8 | 26/6/2021 | 3rd Lakeland Five Passes Ultra | 51,50 | ×2 |
| ✓ 9 | 9/3/2013 | Haworth Hobble 32 Miles | 51,50 | ×2 |
| ✓ 10 | 11/3/2017 | Haworth Hobble 32 Miles | 51,02 | ×2 |
| ✓ 11 | 12/3/2016 | Haworth Hobble 32 Miles | 51,02 | ×2 |