Marc Grabowski
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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.
33
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
68,3%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 3 883; Σ finishers = 5 685. 3 883 / 5 685 × 100 = 68.30%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 466 km
> 100 km2
> 160 km2
> 24h1
Longest race160,9 km
39th Leadville Trail 100 Mile — 21/8/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road3,5%
Trail96,5%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/8/2021 | 39th Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 2 | 17/8/2019 | 37th Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 3 | 14/5/2022 | 39th Quicksilver 100 km Endurance Run | 100,00 | ×3 |
| ✓ 4 | 15/2/2020 | 7th Black Canyon Trail 100 km Run | 100,00 | ×3 |
| ✓ 5 | 4/5/2019 | 24th Miwok 100k Trail Race | 100,00 | ×3 |
| ✓ 6 | 10/2/2024 | 11th Black Canyon Trail 100 km Run | 99,90 | ×3 |
| ✓ 7 | 6/7/2024 | 17th Leadville Silver Rush 50 Mile Run | 80,50 | ×2 |
| ✓ 8 | 11/7/2026 | 19th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 9 | 11/7/2021 | 14th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 10 | 6/7/2019 | 12th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 11 | 13/4/2019 | 11th Lake Sonoma 50 Mile Race | 80,47 | ×2 |
| ✓ 12 | 17/9/2016 | 9th Endurance Challenge - Wisconsin Trail 50 Miles | 80,47 | ×2 |
| ✓ 13 | 13/2/2021 | 8th Black Canyon Trail 60 km Run | 60,00 | ×1 |
| ✓ 14 | 27/9/2019 | Beebe Farm 24-Hour Friday Run | 51,89 | ×1 |
| ✓ 15 | 9/3/2019 | 8th Marin Ultra Challenge 50 km Race | 50,00 | ×1 |
| ✓ 16 | 7/7/2018 | 25th Afton Trail Run 50K | 50,00 | ×1 |
| ✓ 17 | 2/7/2016 | 23rd Afton Trail Run 50K | 50,00 | ×1 |