David Johnson
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
41,7%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 258; Σ finishers = 618. 258 / 618 × 100 = 41.75%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races347 km
Longest race50,0 km
11th The Hennepin Hundred - 50 km Run — 4/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road13,6%
Trail86,4%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 04.10 | 50km | 7:02:10 h | 46 | |
| 2024 | ||||
| 05.10 | 50km | 4:24:13 h | 4 | |
| 2023 | ||||
| 07.10 | 50km | 7:06:55 h | 69 | |
| 2021 | ||||
| 14.08 | 50km | 10:22:26 h | 51 | |
| 2019 | ||||
| 17.08 | 50km | 9:24:09 h | 65 | |
| 2016 | ||||
| 02.01 | 50km | 4:31:56 h | 2 🥈 | |
| 2007 | ||||
| 29.04 | 6h | 47.073 km | 28 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/10/2025 | 11th The Hennepin Hundred - 50 km Run | 50,00 | ×3 |
| ✓ 2 | 5/10/2024 | 10th The Hennepin Hundred - 50 km Run | 50,00 | ×3 |
| ✓ 3 | 7/10/2023 | 9th The Hennepin Hundred - 50 km Run | 50,00 | ×3 |
| ✓ 4 | 14/8/2021 | 7th Habanero Hundred 50 km | 50,00 | ×3 |
| ✓ 5 | 17/8/2019 | 5th Habanero Hundred 50 km | 50,00 | ×3 |
| ✓ 6 | 2/1/2016 | 6th Croom Zoom 50 km Run | 50,00 | ×3 |
| ✓ 7 | 29/4/2007 | 11th Buffalo Runners 6 Hour Distance Classic | 47,07 | ×2 |