Bill Matthews
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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 States
75,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 343; Σ finishers = 1 789. 1 343 / 1 789 × 100 = 75.07%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 436 km
> 100 km4
> 160 km4
> 200 km1
Longest race331,5 km
11th Tahoe 200 Mile Endurance Run — 12/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 12.06 | 206mi | 4d 04:31:21 h | 161 | |
| 2025 | ||||
| 16.05 | 100mi | 39:59:00 h | 26 | |
| 2023 | ||||
| 15.07 | 100mi | 34:34:26 h | 97 | |
| 2022 | ||||
| 03.12 | 50mi | 13:22:40 h | 50 | |
| 23.04 | 50km | 8:05:32 h | 74 | |
| 2019 | ||||
| 06.04 | 50km | 9:49:09 h | 152 | |
| 2018 | ||||
| 08.06 | 100mi | 30:47:31 h | 115 | |
| 14.04 | 50mi | 12:10:01 h | 87 | |
| 2017 | ||||
| 02.12 | 50mi | 12:18:08 h | 61 | |
| 14.10 | 50km | 7:53:31 h | 46 | |
| 22.04 | 50km | 11:07:59 h | 250 | |
| 2016 | ||||
| 19.11 | 50mi | 12:33:56 h | 52 | |
| 16.04 | 50km | 7:14:46 h | 123 | |
| 30.01 | 50km | 7:32:58 h | 63 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/6/2026 | 11th Tahoe 200 Mile Endurance Run | 331,52 | ×9 |
| ✓ 2 | 16/5/2025 | 15th Born to Run Ultra 100 Mile Marathon | 160,93 | ×4 |
| ✓ 3 | 15/7/2023 | 22th Tahoe Rim Trail 100M Endurance Run | 160,93 | ×4 |
| ✓ 4 | 8/6/2018 | 17th San Diego 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 5 | 3/12/2022 | 8th Ray Miller 50 Mile Trail Race | 80,47 | ×2 |
| ✓ 6 | 14/4/2018 | 26th Leona Divide 50 Mile Run | 80,47 | ×2 |
| ✓ 7 | 2/12/2017 | 5th Ray Miller 50 Mile Trail Race | 80,47 | ×2 |
| ✓ 8 | 19/11/2016 | 4th Ray Miller 50 Mile Trail Race | 80,47 | ×2 |
| ✓ 9 | 23/4/2022 | 29th Leona Divide 50 km Run | 50,00 | ×1 |
| ✓ 10 | 6/4/2019 | 27th Leona Divide 50 km Run | 50,00 | ×1 |
| ✓ 11 | 14/10/2017 | 1st Rocky Peak Trail Races | 50,00 | ×1 |
| ✓ 12 | 22/4/2017 | 25th Leona Divide 50 km Run | 50,00 | ×1 |
| ✓ 13 | 16/4/2016 | 24th Leona Divide 50 km Run | 50,00 | ×1 |
| ✓ 14 | 30/1/2016 | 6th Bandit Ultra 50K Trail Run | 50,00 | ×1 |