Stephen Spacht
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
83,3%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 856; Σ finishers = 1 028. 856 / 1 028 × 100 = 83.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races973 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
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 04.10 | 100km | 28:51:11 h | 47 | |
| 2024 | ||||
| 12.10 | 50km | 14:57:50 h | 172 | |
| 2023 | ||||
| 02.09 | 50mi | 19:18:56 h | 32 | |
| 2022 | ||||
| 15.10 | 100km | 27:37:56 h | 77 | |
| 2021 | ||||
| 19.06 | 12h | 52.384 km | 11 | |
| 2020 | ||||
| 05.09 | 50mi | 17:42:15 h | 69 | |
| 20.06 | 12h | 59.867 km | 16 | |
| 2019 | ||||
| 11.05 | 50km | 11:47:32 h | 86 | |
| 2018 | ||||
| 06.10 | 100km | 26:41:18 h | 53 | |
| 2017 | ||||
| 14.10 | 100km | 23:33:24 h | 62 | |
| 2016 | ||||
| 08.10 | 50km | 9:24:03 h | 94 | |
| 2015 | ||||
| 10.10 | 100km | 24:21:04 h | 64 | |
| 2013 | ||||
| 05.10 | 50km | 9:31:50 h | 86 | |
| 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 | 15/10/2022 | 14th Oil Creek 100 km Trail Run | 100,00 | ×3 |
| ✓ 3 | 6/10/2018 | 10th 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 | 2/9/2023 | 5th Tuscazoar 50 Mile Night Trail Race | 80,47 | ×3 |
| ✓ 7 | 5/9/2020 | 2nd Tuscazoar 50 Mile Trail Race | 80,47 | ×3 |
| ✓ 8 | 20/6/2020 | 9th Run Between the Suns 12 hours | 59,87 | ×2 |
| ✓ 9 | 19/6/2021 | 10th Run Between the Suns 12 hours | 52,38 | ×2 |
| ✓ 10 | 12/10/2024 | 16th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 11 | 11/5/2019 | 9th Glacier Ridge Trail 50 km Ultramarathon | 50,00 | ×1 |
| ✓ 12 | 8/10/2016 | 8th Oil Creek 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 5/10/2013 | 5th Oil Creek 50 km Trail Run | 50,00 | ×1 |