Michael Fries
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.
12
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
2
Countries visited ?
France
United States
57,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 086; Σ finishers = 1 890. 1 086 / 1 890 × 100 = 57.46%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races860 km
> 100 km1
> 160 km1
Longest race177,7 km
6. Corsica Coast Race — 24/10/2009
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail79,3%
Stage20,7%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/10/2009 | 6. Corsica Coast Race | 177,70 | ×7 |
| ✓ 2 | 3/10/2015 | 8th Endurance Challenge - Wisconsin Trail 50 Miles | 80,47 | ×3 |
| ✓ 3 | 17/9/2011 | 4th Endurance Challenge - Wisconsin Trail 50 Miles | 80,47 | ×3 |
| ✓ 4 | 3/6/2017 | 22nd Kettle Moraine 38 Mile Night Run | 61,16 | ×2 |
| ✓ 5 | 17/2/2018 | 5th Black Canyon Trail 60 km Run | 60,00 | ×2 |
| ✓ 6 | 6/10/2018 | 3rd Yankee Springs Fall Trail Run Festival | 50,00 | ×2 |
| ✓ 7 | 15/9/2018 | 11th Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |
| ✓ 8 | 16/9/2017 | 10th Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |
| ✓ 9 | 17/9/2016 | 9th Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |
| ✓ 10 | 14/9/2014 | 7th Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |
| ✓ 11 | 18/9/2010 | 3rd Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |
| ✓ 12 | 25/10/2008 | 1st Endurance Challenge - Wisconsin Trail 50 km | 50,00 | ×2 |