Christopher Boer
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9
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
62,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 337; Σ finishers = 543. 337 / 543 × 100 = 62.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races482 km
Longest race80,5 km
9th The Hennepin Hundred - 50 Mile Run — 7/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road72,9%
Trail27,1%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 29.08 | 50km | 6:53:38 h | 47 | |
| 20.06 | 9h | 50.613 km | 42 | |
| 2025 | ||||
| 23.08 | 50km | 6:50:47 h | 44 | |
| 14.06 | 9h | 50.613 km | 45 | |
| 19.04 | 50km | 7:20:45 h | 21 | |
| 2024 | ||||
| 24.08 | 50km | 6:14:23 h | 22 | |
| 2023 | ||||
| 07.10 | 50mi | 11:25:51 h | 54 | |
| 26.08 | 50km | 6:45:05 h | 40 | |
| 2022 | ||||
| 27.08 | 50km | 6:50:44 h | 31 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2023 | 9th The Hennepin Hundred - 50 Mile Run | 80,47 | ×4 |
| ✓ 2 | 20/6/2026 | 11th Schuetzen NEIN! Hour Endurance Run | 50,61 | ×2 |
| ✓ 3 | 14/6/2025 | 10th Schuetzen NEIN! Hour Endurance Run | 50,61 | ×2 |
| ✓ 4 | 29/8/2026 | 5th ScoCo 50 | 50,00 | ×2 |
| ✓ 5 | 23/8/2025 | 4th ScoCo 50 | 50,00 | ×2 |
| ✓ 6 | 19/4/2025 | 5th Loud Thunder 50 km Race | 50,00 | ×2 |
| ✓ 7 | 24/8/2024 | 3rd ScoCo 50 | 50,00 | ×2 |
| ✓ 8 | 26/8/2023 | 2nd ScoCo 50 | 50,00 | ×2 |
| ✓ 9 | 27/8/2022 | 1st ScoCo 50 | 50,00 | ×2 |