Matthew Duncan
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
46,1%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 493; Σ finishers = 1 069. 493 / 1 069 × 100 = 46.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races912 km
> 100 km3
> 160 km3
Longest race160,9 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 23.03 | 50km | 5:16:33 h | 23 | |
| 2023 | ||||
| 15.09 | 100mi | 27:33:07 h | 46 | |
| 2022 | ||||
| 19.08 | 100km | 20:04:00 h | 51 | |
| 2021 | ||||
| 06.02 | 50km | 6:35:20 h | 5 | |
| 02.01 | 50mi | 7:53:45 h | 2 🥈 | |
| 2020 | ||||
| 27.12 | 50km | 6:57:19 h | 5 | |
| 2018 | ||||
| 18.08 | 100mi | 27:23:56 h | 138 | |
| 2014 | ||||
| 07.06 | 100mi | 26:19:07 h | 6 | |
| 24.05 | 30mi | 4:42:09 h | 1 🏆 | |
| 2007 | ||||
| 28.04 | 50km | 8:45:10 h | 226 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/9/2023 | 17th Run Rabbit Run 100 Mile UltraMarathon - Hares Run | 160,93 | ×6 |
| ✓ 2 | 18/8/2018 | 36th Leadville Trail 100 Mile | 160,93 | ×6 |
| ✓ 3 | 7/6/2014 | 2nd TARC 100 Mile | 160,93 | ×6 |
| ✓ 4 | 19/8/2022 | 12th Kodiak 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 2/1/2021 | 8th Wild Azalea 50 Mile Trail Challenge | 80,47 | ×3 |
| ✓ 6 | 23/3/2024 | 11th Behind the Rocks 50km Race | 50,00 | ×1 |
| ✓ 7 | 6/2/2021 | 4th Happy Chinese New Year 50 km Race | 50,00 | ×1 |
| ✓ 8 | 27/12/2020 | Doce Canyon 50 km Race | 50,00 | ×1 |
| ✓ 9 | 28/4/2007 | 7th Promise Land 50K++ | 50,00 | ×1 |
| ✓ 10 | 24/5/2014 | 17th Highland Forest 1-2-3 | 48,28 | ×1 |