Gemma Colling
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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.
26
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
70,3%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 368; Σ finishers = 3 369. 2 368 / 3 369 × 100 = 70.29%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races902 km
> 100 km2
> 24h2
Longest race104,6 km
Harwich Runners 24 Hour — 2/6/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 27.07 | 50mi | 17:05:43 h | 905 | |
| 2022 | ||||
| 27.08 | 44mi | 14:32:43 h | 57 | |
| 2021 | ||||
| 27.11 | 50km | 8:29:35 h | 25 | |
| 2020 | ||||
| 09.02 | 70km | 10:52:46 h | 260 | |
| 25.01 | 48mi | 11:31:20 h | 142 | |
| 2019 | ||||
| 10.08 | 50km | 7:09:17 h | 115 | |
| 03.08 | 12h | 53.500 km | 6 | |
| 27.07 | 50mi | 16:28:11 h | 565 | |
| 2018 | ||||
| 25.11 | 50km | 9:32:38 h | 96 | |
| 22.09 | 50km | 7:12:04 h | 120 | |
| 02.06 | 24h | 104.607 km | 16 | |
| 2017 | ||||
| 03.06 | 24h | 100.562 km | 18 | |
| 2016 | ||||
| 29.07 | 40mi | 12:18:40 h | 56 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/6/2018 | Harwich Runners 24 Hour | 104,61 | ×4 |
| ✓ 2 | 3/6/2017 | Harwich Runners 24 Hour | 100,56 | ×3 |
| ✓ 3 | 27/7/2024 | Lakeland 50 Mile | 80,47 | ×3 |
| ✓ 4 | 27/7/2019 | Lakeland 50 Mile | 80,47 | ×3 |
| ✓ 5 | 25/1/2020 | 7th Peddars Way Ultra | 77,25 | ×2 |
| ✓ 6 | 27/8/2022 | The Grand Tour of Skiddaw | 70,81 | ×2 |
| ✓ 7 | 9/2/2020 | Brecon to Cardiff Ultra | 70,00 | ×2 |
| ✓ 8 | 29/7/2016 | Grim Reaper 40 Mile UltraMarathon | 64,37 | ×2 |
| ✓ 9 | 3/8/2019 | Sublime Twenty4 - 12 hour night race | 53,50 | ×2 |
| ✓ 10 | 27/11/2021 | Copthorne 50km | 50,00 | ×1 |
| ✓ 11 | 10/8/2019 | Stour Valley Path 50km Ultra Run | 50,00 | ×1 |
| ✓ 12 | 25/11/2018 | 35th Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 13 | 22/9/2018 | Humanity Direct Tring Ultra | 50,00 | ×1 |