David Williams
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9
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 ?
Australia
85,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 2 196; Σ finishers = 2 579. 2 196 / 2 579 × 100 = 85.15%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races670 km
Longest race100,0 km
17th Ultra-Trail Australia by UTMB - UTA100 — 17/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 17.05 | 100km | 24:55:29 h | 1129 | |
| 2022 | ||||
| 05.11 | 80km | 14:43:40 h | 389 | |
| 2019 | ||||
| 21.09 | 100km | 15:36:56 h | 259 | |
| 04.05 | 60km | 9:49:13 h | 62 | |
| 23.03 | 100km | 19:08:16 h | 42 | |
| 13.01 | 56km | 7:31:54 h | 249 | |
| 2017 | ||||
| 12.11 | 50km | 7:12:11 h | 52 | |
| 2011 | ||||
| 03.12 | 64km | 8:42:46 h | 19 | |
| 2010 | ||||
| 31.07 | 60km | 5:16:15 h | 4 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/5/2025 | 17th Ultra-Trail Australia by UTMB - UTA100 | 100,00 | ×4 |
| ✓ 2 | 21/9/2019 | Surf Coast Century 100 km | 100,00 | ×4 |
| ✓ 3 | 23/3/2019 | 4th Duncan's Run-Hundred | 100,00 | ×4 |
| ✓ 4 | 5/11/2022 | Bondi to Manly Ultra | 80,00 | ×3 |
| ✓ 5 | 3/12/2011 | 24th Bruny Island Ultra Marathon | 64,00 | ×2 |
| ✓ 6 | 4/5/2019 | Wilsons Promontory 60 km Trail Race | 60,00 | ×2 |
| ✓ 7 | 31/7/2010 | Bush Capital Bush Marathon | 60,00 | ×2 |
| ✓ 8 | 13/1/2019 | 15th Two Bays 56 km Trail Run | 56,00 | ×2 |
| ✓ 9 | 12/11/2017 | 9th Marysville 50km Ultramarathon | 50,00 | ×2 |