Richard Keiser
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Born : 1988
Cat. M35 Ultrarunner since 2015
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
United States41,8%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 627; Σ finishers = 1 500. 627 / 1 500 × 100 = 41.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races347 km
Longest race100,0 km
12th Cuyamaca 100 km Endurance Run — 7/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 09.02 | 52km | 12th Black Canyon Trail 50 km Run |
6:23:06 h | 186 |
| 2023 | ||||
| 07.10 | 100km | 12th Cuyamaca 100 km Endurance Run |
16:10:44 h | 92 |
| 17.06 | 50km | 7th Black Mountain 50K |
6:26:58 h | 41 |
| 2022 | ||||
| 26.11 | 28mi | 37th Quad Dipsea Trail Run |
7:10:33 h | 177 |
| 17.09 | 50km | 14th Noble Canyon 50k |
6:35:34 h | 68 |
| 2015 | ||||
| 13.09 | 50km | 7th Run Woodstock - Freak 50 km |
6:51:25 h | 69 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2023 | 12th Cuyamaca 100 km Endurance Run | 100,00 | ×6 |
| ✓ 2 | 9/2/2025 | 12th Black Canyon Trail 50 km Run | 52,00 | ×3 |
| ✓ 3 | 17/6/2023 | 7th Black Mountain 50K | 50,00 | ×3 |
| ✓ 4 | 17/9/2022 | 14th Noble Canyon 50k | 50,00 | ×3 |
| ✓ 5 | 13/9/2015 | 7th Run Woodstock - Freak 50 km | 50,00 | ×3 |
| ✓ 6 | 26/11/2022 | 37th Quad Dipsea Trail Run | 45,06 | ×2 |