Tom Chalk
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13
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
1
Countries visited ?
United Kingdom
11,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 132; Σ finishers = 1 115. 132 / 1 115 × 100 = 11.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 816 km
> 100 km6
> 160 km4
> 200 km3
Longest race402,3 km
3rd Thames Ring 250 Miles — 3/7/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 04.08 | 33.6mi | 5:39:16 h | 5 | |
| 2016 | ||||
| 30.04 | 40mi | 6:36:00 h | 1 🏆 | |
| 2014 | ||||
| 01.02 | 50mi | 6:57:44 h | 8 | |
| 2013 | ||||
| 03.07 | 250mi | 3d 04:14:00 h | 3 🥉 | |
| 2012 | ||||
| 02.06 | 145mi | 30:43:00 h | 5 | |
| 2011 | ||||
| 28.05 | 145mi | 31:26:00 h | 8 | |
| 05.02 | 50mi | 7:03:57 h | 12 | |
| 15.01 | 45mi | 6:24:45 h | 13 | |
| 2010 | ||||
| 11.09 | 100mi | 22:24:50 h | 5 | |
| 06.02 | 50mi | 7:38:02 h | 16 | |
| 2009 | ||||
| 29.08 | 85mi | 15:59:00 h | 3 🥉 | |
| 17.01 | 50mi | 9:03:00 h | 53 | |
| 2008 | ||||
| 23.08 | 85mi | 20:07:58 h | 13 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/7/2013 | 3rd Thames Ring 250 Miles | 402,34 | ×10 |
| ✓ 2 | 2/6/2012 | 18th 145mi Grand Union Canal Race | 233,35 | ×5 |
| ✓ 3 | 28/5/2011 | 17th 145mi Grand Union Canal Race | 233,35 | ×5 |
| ✓ 4 | 11/9/2010 | South Downs Way 100 Mile Race | 160,93 | ×4 |
| ✓ 5 | 29/8/2009 | 6th Ridgeway Challenge 85 Mile Trail Run | 136,79 | ×3 |
| ✓ 6 | 23/8/2008 | 5th Ridgeway Challenge 85 Mile Trail Run | 136,79 | ×3 |
| ✓ 7 | 1/2/2014 | GB Ultra Thames Trot | 80,47 | ×2 |
| ✓ 8 | 5/2/2011 | GB Ultra Thames Trot | 80,47 | ×2 |
| ✓ 9 | 6/2/2010 | GB Ultra Thames Trot | 80,47 | ×2 |
| ✓ 10 | 17/1/2009 | Thames Path Ultra | 80,47 | ×2 |
| ✓ 11 | 15/1/2011 | GB Ultra Country to Capital | 72,42 | ×1 |
| ✓ 12 | 30/4/2016 | Oxon 40 Mile | 64,37 | ×1 |
| ✓ 13 | 4/8/2019 | Summit Wild Ultra | 54,07 | ×1 |