Ron Robbins
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1968
Cat. M55 Ultrarunner since 2016
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 States75,0%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 594; Σ finishers = 2 124. 1 594 / 2 124 × 100 = 75.05%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races436 km
Longest race80,5 km
19th Leadville Silver Rush 50 Mile Run — 11/7/2026
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 | |
|---|---|---|---|---|
| 2026 | ||||
| 11.07 | 50mi | 19th Leadville Silver Rush 50 Mile Run |
11:47:41 h | 336 |
| 2025 | ||||
| 07.12 | 40mi | 36th Pine Mountain 40 Miles |
11:13:22 h | 51 |
| 12.07 | 50mi | 18th Leadville Silver Rush 50 Mile Run |
13:17:32 h | 477 |
| 2019 | ||||
| 06.07 | 50mi | 12th Leadville Silver Rush 50 Mile Run |
11:47:41 h | 334 |
| 2018 | ||||
| 08.07 | 50mi | 11th Leadville Silver Rush 50 Mile Run |
13:43:53 h | 370 |
| 2016 | ||||
| 19.11 | 50km | 6th Duncan Ridge Trail 50 km Race |
9:33:00 h | 32 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/7/2026 | 19th Leadville Silver Rush 50 Mile Run | 80,47 | ×4 |
| ✓ 2 | 12/7/2025 | 18th Leadville Silver Rush 50 Mile Run | 80,47 | ×4 |
| ✓ 3 | 6/7/2019 | 12th Leadville Silver Rush 50 Mile Run | 80,47 | ×4 |
| ✓ 4 | 8/7/2018 | 11th Leadville Silver Rush 50 Mile Run | 80,47 | ×4 |
| ✓ 5 | 7/12/2025 | 36th Pine Mountain 40 Miles | 64,37 | ×3 |
| ✓ 6 | 19/11/2016 | 6th Duncan Ridge Trail 50 km Race | 50,00 | ×2 |