Eric Herdman
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.
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
11,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 133; Σ finishers = 1 135. 133 / 1 135 × 100 = 11.72%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 545 km
> 100 km8
> 160 km1
> 24h3
Longest race185,6 km
25th Cornbelt Running Club 24 Hour Run — 6/5/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road73,6%
Trail26,4%
Wins & podiums (ultra)
🏆 Win6
🏆 Win M6
🏅 Top 310
🏅 Top 3 M10
Longest winning streak2
Current streak2
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/5/2006 | 25th Cornbelt Running Club 24 Hour Run | 185,64 | ×5 |
| ✓ 2 | 18/11/2006 | 6th Ultracentric 24 Hour Run | 127,46 | ×3 |
| ✓ 3 | 1/9/2007 | 3rd Flatlanders 12 Hour Run | 124,64 | ×3 |
| ✓ 4 | 2/9/2006 | 2nd Flatlanders 12 Hour Run | 124,21 | ×3 |
| ✓ 5 | 12/5/2007 | 1st Lake Merritt Half Day 12 Hour Run | 121,66 | ×3 |
| ✓ 6 | 30/9/2006 | 11th Tahoe Midnight Express Ultra 72 Mile | 115,87 | ×3 |
| ✓ 7 | 31/12/2006 | 24th Across the Years, 24h | 110,00 | ×2 |
| ✓ 8 | 20/10/2007 | 2nd San Francisco One Day, 12h | 103,16 | ×2 |
| ✓ 9 | 10/4/2010 | 2nd Labor of Love 50 Mile Race | 80,47 | ×2 |
| ✓ 10 | 19/4/2008 | 22th Ruth Anderson Ultra 50mi | 80,47 | ×2 |
| ✓ 11 | 5/1/2008 | 1st Running from an Angel 50 Miler | 80,47 | ×2 |
| ✓ 12 | 23/6/2007 | 1st Running With The Devil 50 Mile Race | 80,47 | ×2 |
| ✓ 13 | 29/7/2006 | 8th Mt. Hood 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 14 | 1/4/2006 | 27th American River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 15 | 4/12/2004 | 18th OTHTC High Desert 50K Ultra | 50,00 | ×1 |