Jonathan Humphreys
External sources
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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.
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
13,1%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 174; Σ finishers = 1 325. 174 / 1 325 × 100 = 13.13%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races870 km
Longest race100,0 km
29th Rocky Raccoon 100 km Trail Run — 6/2/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/2/2021 | 29th Rocky Raccoon 100 km Trail Run | 100,00 | ×4 |
| ✓ 2 | 9/2/2019 | 27th Rocky 50 Mile Trail Run | 80,47 | ×3 |
| ✓ 3 | 7/6/2025 | 19th Capt'n Karl's Trail Series - Pedernales Falls | 60,00 | ×2 |
| ✓ 4 | 21/9/2024 | 8th Crimson Canyon 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 5 | 7/8/2021 | 15th Capt'n Karl's Trail Series - Colorado Bend | 60,00 | ×2 |
| ✓ 6 | 29/8/2020 | 14th Capt'n Karl's Trail Series - Reveille Peak Ranch | 60,00 | ×2 |
| ✓ 7 | 10/1/2026 | 26th Bandera 50 km Endurance Run | 50,00 | ×2 |
| ✓ 8 | 23/8/2025 | 11th Habanero Hundred 50 km | 50,00 | ×2 |
| ✓ 9 | 7/1/2023 | 23rd Bandera 50 km Endurance Run | 50,00 | ×2 |
| ✓ 10 | 15/10/2022 | 38th Palo Duro 50 km Trail Run | 50,00 | ×2 |
| ✓ 11 | 3/4/2021 | 21th Hells Hills 50km Race | 50,00 | ×2 |
| ✓ 12 | 9/1/2021 | 21st Bandera 50 km Endurance Run | 50,00 | ×2 |
| ✓ 13 | 6/4/2019 | 27th Leona Divide 50 km Run | 50,00 | ×2 |
| ✓ 14 | 6/1/2019 | 19th Bandera 50 km Endurance Run | 50,00 | ×2 |
| ✓ 15 | 1/4/2017 | 17th Hells Hills 50km Race | 50,00 | ×2 |