Dudley Blauwet
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Born : 1954
Cat. M70 Ultrarunner since 2015
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 States54,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 052; Σ finishers = 1 932. 1 052 / 1 932 × 100 = 54.45%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races801 km
Longest race50,7 km
24th Tamalpa Headlands 50K — 16/8/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 15.08 | 50km | 1st Roxborough Ultras |
8:51:34 h | 33 |
| 27.06 | 50km | 16th Black Hills 50 km Run |
7:50:10 h | 61 |
| 2025 | ||||
| 16.08 | 31.5mi | 24th Tamalpa Headlands 50K |
7:18:08 h | 206 |
| 28.06 | 50km | 15th Black Hills 50 km Run |
7:47:54 h | 29 |
| 31.05 | 50km | 16th North Fork 50 km Trail Race |
7:18:15 h | 123 |
| 2024 | ||||
| 17.08 | 31.5mi | 23rd Tamalpa Headlands 50K |
7:49:56 h | 168 |
| 28.06 | 50km | 14th Black Hills 50 km Run |
7:28:01 h | 57 |
| 2023 | ||||
| 14.10 | 50km | 16th Sage Burner Trail Run |
7:43:27 h | 42 |
| 23.06 | 50km | 13th Black Hills 50 km Run |
7:16:05 h | 48 |
| 2022 | ||||
| 01.10 | 50km | 5th Castle Rock Trail Festival |
7:09:51 h | 6 |
| 24.06 | 50km | 12th Black Hills 50 km Run |
7:04:23 h | 36 |
| 04.06 | 50km | 13th North Fork 50 km Trail Race |
7:24:49 h | 75 |
| 2021 | ||||
| 25.06 | 50km | 11th Black Hills 50 km Run |
6:58:54 h | 42 |
| 05.06 | 50km | 12th North Fork 50 km Trail Race |
7:42:55 h | 94 |
| 2016 | ||||
| 24.09 | 50km | 7th The Bear Chase 50 km |
5:23:13 h | 21 |
| 2015 | ||||
| 27.09 | 50km | 6th The Bear Chase 50 km |
5:28:11 h | 27 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/8/2025 | 24th Tamalpa Headlands 50K | 50,69 | ×2 |
| ✓ 2 | 17/8/2024 | 23rd Tamalpa Headlands 50K | 50,69 | ×2 |
| ✓ 3 | 15/8/2026 | 1st Roxborough Ultras | 50,00 | ×2 |
| ✓ 4 | 27/6/2026 | 16th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 5 | 28/6/2025 | 15th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 6 | 31/5/2025 | 16th North Fork 50 km Trail Race | 50,00 | ×2 |
| ✓ 7 | 28/6/2024 | 14th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 8 | 14/10/2023 | 16th Sage Burner Trail Run | 50,00 | ×2 |
| ✓ 9 | 23/6/2023 | 13th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 10 | 1/10/2022 | 5th Castle Rock Trail Festival | 50,00 | ×2 |
| ✓ 11 | 24/6/2022 | 12th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 12 | 4/6/2022 | 13th North Fork 50 km Trail Race | 50,00 | ×2 |
| ✓ 13 | 25/6/2021 | 11th Black Hills 50 km Run | 50,00 | ×2 |
| ✓ 14 | 5/6/2021 | 12th North Fork 50 km Trail Race | 50,00 | ×2 |
| ✓ 15 | 24/9/2016 | 7th The Bear Chase 50 km | 50,00 | ×2 |
| ✓ 16 | 27/9/2015 | 6th The Bear Chase 50 km | 50,00 | ×2 |