Allan John Clarke
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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.
36
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
16,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 409; Σ finishers = 2 547. 409 / 2 547 × 100 = 16.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 557 km
> 100 km4
> 160 km2
> 200 km1
Longest race233,4 km
14th Grand Union Canal 145 mile Race — 24/5/2008
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road24,3%
Trail68,9%
Stage6,8%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.09 | 50mi trail race | 9:15:00 h | 36 | |
| 2020 | ||||
| 25.10 | 50mi | 7:56:03 h | 17 | |
| 2018 | ||||
| 09.06 | 100mi | 18:12:54 h | 9 | |
| 03.02 | 66mi/2stages | 9:56:12 h | 7 | |
| 2016 | ||||
| 02.10 | 36.8mi | 5:28:26 h | 15 | |
| 09.04 | 50mi | 8:41:49 h | 62 | |
| 2015 | ||||
| 04.10 | 36.8mi | 5:40:30 h | 14 | |
| 2013 | ||||
| 06.10 | 36.8mi | 6:43:56 h | 34 | |
| 2012 | ||||
| 28.07 | 50mi | 9:34:33 h | 16 | |
| 2010 | ||||
| 05.09 | 90km | 9:32:24 h | 5 | |
| 2008 | ||||
| 24.05 | 145mi | 32:12:00 h | 5 | |
| 29.03 | 12h | 115.675 km | 2 🥈 | |
| 2006 | ||||
| 18.02 | 89km | 10:24:00 h | 35 | |
| 2005 | ||||
| 02.10 | 87.1km | 8:56:21 h | 74 | |
| 2002 | ||||
| 06.10 | 87.1km | 8:38:52 h | 46 | |
| 2001 | ||||
| 07.10 | 88.5km | 9:01:15 h | 48 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/5/2008 | 14th Grand Union Canal 145 mile Race | 233,35 | ×6 |
| ✓ 2 | 9/6/2018 | 7th South Downs Way 100 Mile Race | 160,93 | ×4 |
| ✓ 3 | 29/3/2008 | Crawley A.I.M. 12 hours Run | 115,68 | ×3 |
| ✓ 4 | 3/2/2018 | Pilgrim Challenge North Downs Way Multistage Ultra | 106,22 | ×2 |
| ✓ 5 | 5/9/2010 | 3rd London to Brighton Trail Race | 90,00 | ×2 |
| ✓ 6 | 18/2/2006 | 8th Thames Meander | 89,00 | ×2 |
| ✓ 7 | 7/10/2001 | 51st London to Brighton Road Race | 88,50 | ×2 |
| ✓ 8 | 2/10/2005 | 55th London to Brighton Road Race | 87,10 | ×2 |
| ✓ 9 | 6/10/2002 | 52nd London to Brighton Road Race | 87,10 | ×2 |
| ✓ 10 | 19/9/2026 | 11th Chiltern Wonderland 50 (GBR) | 80,47 | ×2 |
| ✓ 11 | 25/10/2020 | 8th South Downs Way 50 Mile Race | 80,47 | ×2 |
| ✓ 12 | 9/4/2016 | 4th South Downs Way 50 Mile Race | 80,47 | ×2 |
| ✓ 13 | 28/7/2012 | Lakeland 50 Mile | 80,47 | ×2 |
| ✓ 14 | 2/10/2016 | 4th Downs Link Ultra | 59,22 | ×1 |
| ✓ 15 | 4/10/2015 | 3rd Downs Link Ultra | 59,22 | ×1 |
| ✓ 16 | 6/10/2013 | 1st Downs Link Ultra | 59,22 | ×1 |