Jim Berger
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19
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
38,4%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 350; Σ finishers = 912. 350 / 912 × 100 = 38.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed19
Km — ultra races938 km
Longest race60,2 km
10th Schuetzen NEIN! Hour Endurance Run — 14/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road12,4%
Trail87,6%
Records
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/6/2025 | 10th Schuetzen NEIN! Hour Endurance Run | 60,19 | ×2 |
| ✓ 2 | 20/6/2026 | 11th Schuetzen NEIN! Hour Endurance Run | 56,09 | ×2 |
| ✓ 3 | 18/7/2026 | 4th Lake Macbride Trail Races | 50,00 | ×2 |
| ✓ 4 | 19/7/2025 | 3rd Lake Macbride Trail Races | 50,00 | ×2 |
| ✓ 5 | 20/7/2024 | 2nd Lake Macbride Trail Races | 50,00 | ×2 |
| ✓ 6 | 14/4/2018 | 8th Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 7 | 8/4/2017 | 7th Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 8 | 23/4/2016 | 5th Earth Day 50k | 50,00 | ×2 |
| ✓ 9 | 9/4/2016 | 6th Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 10 | 11/4/2015 | 5th Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 11 | 5/4/2014 | 4th Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 12 | 2/3/2013 | 3rd Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 13 | 17/3/2012 | 2nd Hawkeye 50K Trail Run | 50,00 | ×2 |
| ✓ 14 | 9/11/2024 | 4th Woodpecker Six 6 Hour Race | 46,35 | ×1 |
| ✓ 15 | 12/9/2026 | 12th Pleasant Creek Trail Run | 45,00 | ×1 |
| ✓ 16 | 13/9/2025 | 11th Pleasant Creek Trail Run | 45,00 | ×1 |
| ✓ 17 | 14/9/2024 | 10th Pleasant Creek Trail Run | 45,00 | ×1 |
| ✓ 18 | 16/9/2017 | 3rd Pleasant Creek Trail Run | 45,00 | ×1 |
| ✓ 19 | 17/9/2016 | 2nd Pleasant Creek Trail Run | 45,00 | ×1 |