Geoffrey David Williamson
External sources
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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.
28
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 ?
United Kingdom
Slovenia
27,6%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 512; Σ finishers = 1 856. 512 / 1 856 × 100 = 27.59%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 036 km
> 100 km4
> 160 km3
Longest race165,8 km
10th North Downs Way 100 Mile Race — 8/8/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 26.01 | 100mi | 28:35:27 h | 68 | |
| 2023 | ||||
| 08.09 | 108.6km | 16:25:42 h | 70 | |
| 2022 | ||||
| 02.07 | 100km | 20:03:57 h | 29 | |
| 2021 | ||||
| 05.12 | 50km | 5:47:08 h | 72 | |
| 17.04 | 50km | 5:36:27 h | 73 | |
| 2020 | ||||
| 08.08 | 103mi | 25:18:45 h | 29 | |
| 31.01 | 102.5mi | 29:46:16 h | 41 | |
| 2019 | ||||
| 16.03 | 34.1mi | 5:31:30 h | 12 | |
| 2018 | ||||
| 25.11 | 50km | 7:28:40 h | 39 | |
| 06.10 | 50km | 9:11:34 h | 13 | |
| 2017 | ||||
| 25.11 | 50mi | 11:10:36 h | 77 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/8/2020 | 10th North Downs Way 100 Mile Race | 165,76 | ×5 |
| ✓ 2 | 31/1/2020 | 7th The Arc of Attrition 100 Mile | 164,96 | ×5 |
| ✓ 3 | 26/1/2024 | 10th The Arc of Attrition 100 Mile | 160,93 | ×5 |
| ✓ 4 | 8/9/2023 | Julian Alps Trail Run by UTMB - 100K | 108,60 | ×3 |
| ✓ 5 | 2/7/2022 | 5th Ultra-Trail Snowdonia UTS100 | 100,00 | ×3 |
| ✓ 6 | 25/11/2017 | 2nd Wendover Woods 50 | 80,47 | ×2 |
| ✓ 7 | 16/3/2019 | Coastal Trail Series - Sussex Ultra | 54,88 | ×1 |
| ✓ 8 | 5/12/2021 | 4th Hurtwood 50k Endurance Trail Run | 50,00 | ×1 |
| ✓ 9 | 17/4/2021 | 3rd Hurtwood 50k Endurance Trail Run | 50,00 | ×1 |
| ✓ 10 | 25/11/2018 | 35th Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 11 | 6/10/2018 | Snowdon Trail Running Challenge | 50,00 | ×1 |
