David Colbert
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 : 1964
Cat. M60 Ultrarunner since 2016
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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 States88,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 454; Σ finishers = 516. 454 / 516 × 100 = 87.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races584 km
> 100 km1
> 160 km1
> 24h1
> 48h1
Longest race163,6 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road41,5%
Trail58,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
7 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/3/2023 | 10th Jackpot Ultra Running Festival 48 Hour Race | 163,55 | ×7 |
| ✓ 2 | 11/2/2022 | 4th Grandmaster Ultras 50 Mile Run | 80,47 | ×3 |
| ✓ 3 | 3/12/2016 | 3rd Jackson County 50-50 Ultra-marathon - 50 Mile | 80,47 | ×3 |
| ✓ 4 | 10/7/2016 | 9th Leadville Silver Rush 50 Mile Run | 80,47 | ×3 |
| ✓ 5 | 6/11/2021 | 3rd Happy Hippie Harvest 12 Hour Run | 78,86 | ×3 |
| ✓ 6 | 21/10/2023 | 1st Trail of Terror | 50,00 | ×2 |
| ✓ 7 | 23/10/2021 | 1st Flat Top Mesa 50 km Endurance Run - Fall Edition | 50,00 | ×2 |