John Henderson
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
44,3%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 060; Σ finishers = 2 392. 1 060 / 2 392 × 100 = 44.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races2 056 km
> 100 km7
> 160 km6
> 200 km2
> 24h2
Longest race412,8 km
5th Cocodona 250 — 5/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road2,9%
Trail86,0%
Elim.11,1%
Wins & podiums (ultra)
🏆 Win3
🏆 Win M3
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak1
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 22.08 | 50mi | 13:32:00 h | 1 🏆 | |
| 2025 | ||||
| 05.05 | 412.8km | 4d 12:40:18 h | 84 | |
| 17.01 | 100mi | 34:54:00 h | 1 🏆 | |
| 2024 | ||||
| 22.06 | 46km | 8:01:03 h | 210 | |
| 19.04 | 100mi | 29:19:00 h | 1 🏆 | |
| 20.01 | 36h | 228.004 km | 4 | |
| 2023 | ||||
| 01.07 | 24h | 58.962 km | 27 | |
| 17.06 | 46km | 7:59:33 h | 295 | |
| 19.05 | 106mi | 37:15:01 h | 57 | |
| 25.03 | 74mi | 19:19:55 h | 35 | |
| 2022 | ||||
| 03.12 | 50mi | 10:25:45 h | 23 | |
| 05.11 | 100km | 15:08:46 h | 10 | |
| 16.09 | 100mi | 30:18:39 h | 20 | |
| 03.06 | 50mi | 9:52:31 h | 39 | |
| 2021 | ||||
| 05.12 | 50km | 7:46:58 h | 59 | |
| 13.11 | 50km | 8:30:26 h | 97 | |
| 2020 | ||||
| 06.12 | 50km | 9:00:53 h | 114 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/5/2025 | 5th Cocodona 250 | 412,80 | ×10 |
| ✓ 2 | 20/1/2024 | 1st The Conquer | 228,00 | ×5 |
| ✓ 3 | 19/5/2023 | 11th Cruel Jewel 100 Mile | 170,59 | ×4 |
| ✓ 4 | 17/1/2025 | 7th Fierce Dragon - Firestarter 100M | 160,93 | ×3 |
| ✓ 5 | 19/4/2024 | 13th Double Top 100 Mile | 160,93 | ×3 |
| ✓ 6 | 16/9/2022 | 12th The Georgia Jewel 100 Mile Run | 160,93 | ×3 |
| ✓ 7 | 25/3/2023 | 11th Georgia Death Race | 119,09 | ×2 |
| ✓ 8 | 5/11/2022 | 10th Georgia Sky to Summit 100k | 100,00 | ×2 |
| ✓ 9 | 22/8/2026 | 15th H9 Dragon 50 Miler | 80,47 | ×1 |
| ✓ 10 | 3/12/2022 | 6th Cloudland Canyon 50 Mile Race | 80,47 | ×1 |
| ✓ 11 | 3/6/2022 | 5th Dam Yeti 50 Mile Race | 80,47 | ×1 |
| ✓ 12 | 1/7/2023 | 12th Merrill's Mile 24 Hour Run | 58,96 | ×1 |
| ✓ 13 | 5/12/2021 | 5th Cloudland Canyon 50 km Race | 50,00 | ×1 |
| ✓ 14 | 13/11/2021 | 9th Georgia Sky to Summit 50k | 50,00 | ×1 |
| ✓ 15 | 6/12/2020 | 4th Cloudland Canyon 50 km Race | 50,00 | ×1 |
| ✓ 16 | 22/6/2024 | 9th The Broken Arrow Skyrace | 46,00 | ×1 |
| ✓ 17 | 17/6/2023 | 8th The Broken Arrow Skyrace | 46,00 | ×1 |