Derek Berger
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6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
59,4%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 760; Σ finishers = 1 279. 760 / 1 279 × 100 = 59.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races452 km
> 24h2
Longest race100,0 km
13th The Canyons Endurance 100 km Run — 25/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail66,4%
Elim.33,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 25.04 | 100km | 18:49:47 h | 455 | |
| 2025 | ||||
| 31.05 | 100km | 18:19:15 h | 73 | |
| 2024 | ||||
| 16.11 | 50km | 5:47:33 h | 142 | |
| 05.10 | Backyard Ultra | 84.490 km | 39 | |
| 18.05 | 50km | 6:40:17 h | 3 🥉 | |
| 2023 | ||||
| 07.10 | Backyard Ultra | 67.592 km | 54 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/4/2026 | 13th The Canyons Endurance 100 km Run | 100,00 | ×5 |
| ✓ 2 | 31/5/2025 | 11th Worlds End Ultramarathon 100K | 100,00 | ×5 |
| ✓ 3 | 5/10/2024 | 6th Bubba's Backyard Ultra | 84,49 | ×4 |
| ✓ 4 | 7/10/2023 | 5th Bubba's Backyard Ultra | 67,59 | ×3 |
| ✓ 5 | 16/11/2024 | 10th Dead Horse 50 km Race | 50,00 | ×2 |
| ✓ 6 | 18/5/2024 | 14th Mayapple 50 km Trail Run | 50,00 | ×2 |