Matthew Bertolet
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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.
29
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
50,0%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 016; Σ finishers = 2 034. 1 016 / 2 034 × 100 = 49.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 032 km
> 100 km4
> 160 km4
Longest race160,9 km
30th Mohican Trail 100 Mile — 15/6/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 21.06 | 37mi | 10:05:01 h | 56 | |
| 2023 | ||||
| 17.06 | 50mi | 13:06:48 h | 36 | |
| 2019 | ||||
| 15.06 | 100mi | 30:24:01 h | 61 | |
| 2018 | ||||
| 23.06 | 34mi | 14:20:56 h | 412 | |
| 2015 | ||||
| 16.05 | 30mi | 5:52:52 h | 96 | |
| 2011 | ||||
| 22.10 | 100mi | 27:26:00 h | 9 | |
| 2010 | ||||
| 23.10 | 100mi | 25:39:27 h | 71 | |
| 2009 | ||||
| 28.11 | 40mi | 9:51:00 h | 23 | |
| 25.09 | 100mi | 32:25:23 h | 65 | |
| 2008 | ||||
| 05.04 | 50mi | 9:46:15 h | 197 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/6/2019 | 30th Mohican Trail 100 Mile | 160,93 | ×5 |
| ✓ 2 | 22/10/2011 | 2nd 100-Mile Club Challenge for Kids | 160,93 | ×5 |
| ✓ 3 | 23/10/2010 | 8th Javelina Jundred 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 4 | 25/9/2009 | 11th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 5 | 17/6/2023 | 12th OSS/CIA 50 Mile Night Run | 80,47 | ×2 |
| ✓ 6 | 5/4/2008 | 29th American River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 7 | 28/11/2009 | 1st Santa Barbara Red Rock 40 Mile | 64,37 | ×2 |
| ✓ 8 | 21/6/2025 | 28th Rachel Carson Trail Challenge | 59,55 | ×2 |
| ✓ 9 | 23/6/2018 | 22th Rachel Carson Trail Challenge | 54,72 | ×1 |
| ✓ 10 | 16/5/2015 | 5th Born to Run Ultra 30 Mile Marathon | 48,28 | ×1 |