Michael Schleifer
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15
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
49,5%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 885; Σ finishers = 1 787. 885 / 1 787 × 100 = 49.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 416 km
> 100 km3
> 160 km3
> 200 km1
> 24h2
> 48h1
Longest race325,1 km
1st Southern States 200 — 12/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,0%
Trail89,8%
Elim.4,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/4/2024 | 1st Southern States 200 | 325,09 | ×9 |
| ✓ 2 | 31/10/2020 | 1st Dark Horse 30 Hour Ultra Run | 165,76 | ×5 |
| ✓ 3 | 31/3/2023 | 3rd The Country Mile 48 Hour Race | 163,57 | ×4 |
| ✓ 4 | 28/9/2019 | 10th The Bear Chase 100 km | 100,00 | ×3 |
| ✓ 5 | 2/1/2021 | 4th Resolution Run | 84,51 | ×2 |
| ✓ 6 | 25/1/2020 | 3rd Arches Ultra 50 Mile Race | 80,47 | ×2 |
| ✓ 7 | 1/6/2013 | 6th Endurance Challenge - Washington D.C. Trail 50 Miles | 80,47 | ×2 |
| ✓ 8 | 18/8/2018 | 3rd Backyard Classic 8 Hour Endurance Run | 59,55 | ×1 |
| ✓ 9 | 28/9/2024 | 6th Lady of the Lake 8 Hour Race | 54,88 | ×1 |
| ✓ 10 | 14/1/2023 | 13th Coldwater Rumble 52K Race | 52,00 | ×1 |
| ✓ 11 | 15/8/2020 | 1st Sandhills Trail & Ultra Festival 50 km Run | 50,00 | ×1 |
| ✓ 12 | 20/6/2020 | 2nd Mount Shasta Gateway 50 km Trail Race | 50,00 | ×1 |
| ✓ 13 | 8/12/2018 | 5th Bell Ringer 50k Trail Run | 50,00 | ×1 |
| ✓ 14 | 2/6/2012 | 5th Endurance Challenge - Washington D.C. Trail 50 km | 50,00 | ×1 |
| ✓ 15 | 4/6/2011 | 4th Endurance Challenge - Washington D.C. Trail 50 km | 50,00 | ×1 |