Clifford Cottrell
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
80,9%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 052; Σ finishers = 1 301. 1 052 / 1 301 × 100 = 80.86%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 117 km
Longest race100,0 km
17th Oil Creek 100 km Trail Run — 4/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 04.10 | 100km | 25:36:32 h | 45 | |
| 2023 | ||||
| 07.10 | 100km | 20:56:38 h | 36 | |
| 2022 | ||||
| 15.10 | 50km | 10:51:23 h | 139 | |
| 2021 | ||||
| 16.10 | 100km | 27:37:01 h | 63 | |
| 24.07 | 52mi | 14:41:51 h | 35 | |
| 19.06 | 12h | 67.351 km | 6 | |
| 2020 | ||||
| 05.09 | 50mi | 19:41:47 h | 76 | |
| 2019 | ||||
| 27.07 | 50mi | 14:31:25 h | 145 | |
| 15.06 | 12h | 54.878 km | 8 | |
| 2018 | ||||
| 06.10 | 50km | 11:13:38 h | 122 | |
| 16.06 | 12h | 49.889 km | 27 | |
| 2017 | ||||
| 14.10 | 100km | 24:33:37 h | 65 | |
| 2016 | ||||
| 08.10 | 50km | 13:19:10 h | 143 | |
| 2015 | ||||
| 10.10 | 100km | 22:57:38 h | 58 | |
| 2014 | ||||
| 11.10 | 50km | 8:57:32 h | 99 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/10/2025 | 17th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 2 | 7/10/2023 | 15th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 3 | 16/10/2021 | 13th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 4 | 14/10/2017 | 9th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 5 | 10/10/2015 | 7th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 6 | 24/7/2021 | 15th Burning River 50 Mile Back Endurance Run | 83,69 | ×2 |
| ✓ 7 | 5/9/2020 | 2nd Tuscazoar 50 Mile Trail Race | 80,47 | ×2 |
| ✓ 8 | 27/7/2019 | 13th Burning River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 9 | 19/6/2021 | 10th Run Between the Suns 12 hours | 67,35 | ×2 |
| ✓ 10 | 15/6/2019 | 8th Run Between the Suns 12 hours | 54,88 | ×1 |
| ✓ 11 | 15/10/2022 | 14th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 12 | 6/10/2018 | 10th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 8/10/2016 | 8th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 14 | 11/10/2014 | 6th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 15 | 16/6/2018 | 7th Run Between the Suns 12 hours | 49,89 | ×1 |