Robert Cook
External sources
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Born : 1968
Cat. M55 Ultrarunner since 2015
10
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 States30,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 483; Σ finishers = 1 576. 483 / 1 576 × 100 = 30.65%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races762 km
> 100 km1
> 160 km1
Longest race160,9 km
23th Tahoe Rim Trail 100M Endurance Run — 20/7/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,4%
Trail85,6%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak1
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 31.05 | 50km | 2nd Sonoma Coast Trail Runs |
6:05:42 h | 1 🏆 |
| 12.04 | 50mi | 17th Lake Sonoma 50 Mile Race |
10:54:09 h | 43 |
| 01.03 | 50km | 35th Way Too Cool 50K Endurance Run |
5:09:58 h | 51 |
| 2024 | ||||
| 20.07 | 100mi | 23th Tahoe Rim Trail 100M Endurance Run |
28:13:09 h | 24 |
| 08.06 | 50km | 1st Sonoma Coast Trail Runs |
5:50:54 h | 4 |
| 2023 | ||||
| 21.10 | 100km | 3rd Lake Sonoma 100K & 50K |
12:44:32 h | 17 |
| 2022 | ||||
| 09.04 | 50mi | 14th Lake Sonoma 50 Mile Race |
9:43:48 h | 46 |
| 2015 | ||||
| 14.11 | 60km | 35th NYRR Knickerbocker 60K |
6:56:22 h | 185 |
| 24.05 | 50mi | 10th Trail Festival at Pineland Farms |
11:50:59 h | 104 |
| 26.04 | 50km | 41th Lake Waramaug 50km Ultra Marathon |
5:04:31 h | 18 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/7/2024 | 23th Tahoe Rim Trail 100M Endurance Run | 160,93 | ×6 |
| ✓ 2 | 21/10/2023 | 3rd Lake Sonoma 100K & 50K | 100,00 | ×4 |
| ✓ 3 | 12/4/2025 | 17th Lake Sonoma 50 Mile Race | 80,47 | ×3 |
| ✓ 4 | 9/4/2022 | 14th Lake Sonoma 50 Mile Race | 80,47 | ×3 |
| ✓ 5 | 24/5/2015 | 10th Trail Festival at Pineland Farms | 80,47 | ×3 |
| ✓ 6 | 14/11/2015 | 35th NYRR Knickerbocker 60K | 60,00 | ×2 |
| ✓ 7 | 31/5/2025 | 2nd Sonoma Coast Trail Runs | 50,00 | ×2 |
| ✓ 8 | 1/3/2025 | 35th Way Too Cool 50K Endurance Run | 50,00 | ×2 |
| ✓ 9 | 8/6/2024 | 1st Sonoma Coast Trail Runs | 50,00 | ×2 |
| ✓ 10 | 26/4/2015 | 41th Lake Waramaug 50km Ultra Marathon | 50,00 | ×2 |