Ronnie Bierman
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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
1
Countries visited ?
United States
63,5%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 170; Σ finishers = 1 842. 1 170 / 1 842 × 100 = 63.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races674 km
Longest race80,5 km
8th Tussey Mountainback 50 Miler — 22/9/2007
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road11,9%
Trail88,1%
Records
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/9/2007 | 8th Tussey Mountainback 50 Miler | 80,47 | ×3 |
| ✓ 2 | 19/6/2010 | 8th Highlands Sky 40M Trail Run | 64,37 | ×2 |
| ✓ 3 | 20/6/2009 | 7th Highlands Sky 40M Trail Run | 64,37 | ×2 |
| ✓ 4 | 17/6/2007 | 5th Highlands Sky 40M Trail Run | 64,37 | ×2 |
| ✓ 5 | 3/7/2010 | 22nd Finger Lakes Fifties 50 km Run | 50,00 | ×2 |
| ✓ 6 | 5/6/2010 | 3rd Endurance Challenge - Washington D.C. Trail 50 km | 50,00 | ×2 |
| ✓ 7 | 8/5/2010 | 12th Capon Valley 50K Run | 50,00 | ×2 |
| ✓ 8 | 11/7/2009 | 15th Rattlesnake Trail 50K Ultrarun | 50,00 | ×2 |
| ✓ 9 | 4/8/2007 | 12th Catoctin 50k Trail Run | 50,00 | ×2 |
| ✓ 10 | 7/7/2007 | 13th Rattlesnake Trail 50K Ultrarun | 50,00 | ×2 |
| ✓ 11 | 28/4/2007 | 7th Promise Land 50K++ | 50,00 | ×2 |
| ✓ 12 | 10/2/2007 | 12th Holiday Lake 50K++ | 50,00 | ×2 |