Efren Rangel
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Born : 1956
Cat. M70 Ultrarunner since 2014
5
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 States78,4%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 525; Σ finishers = 670. 525 / 670 × 100 = 78.36%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races300 km
Longest race100,0 km
19th Javelina Jundred 100 km Endurance Run — 30/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 25.01 | 50km | 21st Calico Trail Run 50 km |
8:21:12 h | 83 |
| 2025 | ||||
| 06.12 | 50km | 11th Ray Miller 50 km Trail Race |
9:56:13 h | 139 |
| 2024 | ||||
| 21.01 | 50km | 19th Calico Trail Run 50 km |
7:53:00 h | 46 |
| 2021 | ||||
| 30.10 | 100km | 19th Javelina Jundred 100 km Endurance Run |
17:18:07 h | 107 |
| 2014 | ||||
| 23.08 | 50km | 23rd Bulldog 50k Ultra Run |
7:30:52 h | 155 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/10/2021 | 19th Javelina Jundred 100 km Endurance Run | 100,00 | ×6 |
| ✓ 2 | 25/1/2026 | 21st Calico Trail Run 50 km | 50,00 | ×3 |
| ✓ 3 | 6/12/2025 | 11th Ray Miller 50 km Trail Race | 50,00 | ×3 |
| ✓ 4 | 21/1/2024 | 19th Calico Trail Run 50 km | 50,00 | ×3 |
| ✓ 5 | 23/8/2014 | 23rd Bulldog 50k Ultra Run | 50,00 | ×3 |