Bryon Childs
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
86,4%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 020; Σ finishers = 1 180. 1 020 / 1 180 × 100 = 86.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races399 km
> 24h1
Longest race80,5 km
13th Run Rabbit Run 50 Mile Endurance Run — 14/9/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,2%
Trail82,8%
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 27.09 | 24h | 68.622 km | 79 | |
| 02.08 | 50km | 11:19:00 h | 59 | |
| 2023 | ||||
| 18.11 | 50km | 7:25:57 h | 354 | |
| 2021 | ||||
| 07.08 | 50km | 10:32:00 h | 45 | |
| 2020 | ||||
| 21.11 | 50km | 8:53:08 h | 251 | |
| 2019 | ||||
| 14.09 | 50mi | 14:44:41 h | 133 | |
| 24.08 | 50km | 7:55:19 h | 106 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2019 | 13th Run Rabbit Run 50 Mile Endurance Run | 80,47 | ×4 |
| ✓ 2 | 27/9/2025 | 12th 24 Hours of Palmer Lake Fun Run | 68,62 | ×4 |
| ✓ 3 | 2/8/2025 | 11th Sheep Mountain 50 km Endurance Run | 50,00 | ×2 |
| ✓ 4 | 18/11/2023 | 9th Dead Horse 50 km Race | 50,00 | ×2 |
| ✓ 5 | 7/8/2021 | 7th Sheep Mountain 50 km Endurance Run | 50,00 | ×2 |
| ✓ 6 | 21/11/2020 | 6th Dead Horse 50 km Race | 50,00 | ×2 |
| ✓ 7 | 24/8/2019 | 4th Continental Divide Trail Run | 50,00 | ×2 |