David McKay
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14
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
2,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 77; Σ finishers = 3 658. 77 / 3 658 × 100 = 2.10%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races811 km
Longest race100,0 km
20th Waldo 100K Trail Run — 21/8/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 35
🏅 Top 3 M5
Longest winning streak1
Current streak0
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 12.04 | 49.9km | 4:41:35 h | 22 | |
| 2024 | ||||
| 17.08 | 50km | 5:40:09 h | 3 🥉 | |
| 14.07 | 50km | 3:37:04 h | 2 🥈 | |
| 2023 | ||||
| 10.06 | 50km | 3:53:42 h | 5 | |
| 2022 | ||||
| 07.05 | 50km | 4:39:41 h | 3 🥉 | |
| 02.04 | 50km | 4:13:23 h | 4 | |
| 2021 | ||||
| 21.08 | 100km | 11:24:35 h | 5 | |
| 12.06 | 50km | 4:05:21 h | 1 🏆 | |
| 2020 | ||||
| 07.11 | 50km | 3:58:07 h | 5 | |
| 2018 | ||||
| 17.03 | 50km | 3:59:43 h | 10 | |
| 2017 | ||||
| 18.11 | 50mi | 7:12:21 h | 19 | |
| 2016 | ||||
| 22.10 | 50km | 3:57:12 h | 1 🏆 | |
| 2015 | ||||
| 21.11 | 50mi | 6:08:33 h | 4 | |
| 2014 | ||||
| 21.09 | 50km | 3:45:16 h | 7 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/8/2021 | 20th Waldo 100K Trail Run | 100,00 | ×4 |
| ✓ 2 | 18/11/2017 | 11th Endurance Challenge - California Trail 50 Mile | 80,47 | ×3 |
| ✓ 3 | 21/11/2015 | 53rd JFK 50 Mile | 80,47 | ×3 |
| ✓ 4 | 17/8/2024 | 8th Backcountry Rise 50 km Race | 50,00 | ×2 |
| ✓ 5 | 14/7/2024 | 26th Mt. Hood 50 km Trail Run | 50,00 | ×2 |
| ✓ 6 | 10/6/2023 | 36th McKenzie River 50 km Trail Run | 50,00 | ×2 |
| ✓ 7 | 7/5/2022 | 27th McDonald Forest 50K Trail Run | 50,00 | ×2 |
| ✓ 8 | 2/4/2022 | 8th Gorge Waterfalls 50k | 50,00 | ×2 |
| ✓ 9 | 12/6/2021 | 4th Wy’east Wonder 50 km Trail Race | 50,00 | ×2 |
| ✓ 10 | 7/11/2020 | 4th Run the Rock 50 km | 50,00 | ×2 |
| ✓ 11 | 17/3/2018 | 26th Chuckanut 50K | 50,00 | ×2 |
| ✓ 12 | 22/10/2016 | 3rd Patapsco Valley 50K | 50,00 | ×2 |
| ✓ 13 | 21/9/2014 | 5th Flagline Trail Fest 50K | 50,00 | ×2 |
| ✓ 14 | 12/4/2026 | 12th Gorge Waterfalls 50k | 49,90 | ×1 |