Michael Halko
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
43,3%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 695; Σ finishers = 3 912. 1 695 / 3 912 × 100 = 43.33%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 030 km
> 100 km3
> 160 km3
Longest race160,9 km
28th Western States 100 Mile Endurance Run — 23/6/2001
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
11 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/6/2001 | 28th Western States 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 2 | 24/6/2000 | 27th Western States 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 3 | 13/2/1999 | 2nd Susitna 100 Mile | 160,93 | ×5 |
| ✓ 4 | 7/4/2012 | 33rd American River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 5 | 7/4/2001 | 22nd American River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 6 | 20/11/1999 | 37th JFK 50 Mile | 80,47 | ×2 |
| ✓ 7 | 10/4/1999 | 20th American River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 8 | 2/8/1998 | 3rd Resurrection Pass 50 Mile Ultra Trail Race | 80,47 | ×2 |
| ✓ 9 | 25/4/2015 | 6th Ironmasters Challenge 50k Ultra | 50,00 | ×1 |
| ✓ 10 | 2/12/2000 | 11th Sunmart Texas Trails 50 km | 50,00 | ×1 |
| ✓ 11 | 28/11/1998 | 14th Quad Dipsea Trail Run | 45,06 | ×1 |