Richard Norkin
External sources
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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.
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
92,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 3 489; Σ finishers = 3 759. 3 489 / 3 759 × 100 = 92.82%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races912 km
> 24h1
Longest race83,7 km
2nd DSE Distance Classic 12 Hour — 11/9/1994
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,8%
Trail79,2%
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/9/1994 | 2nd DSE Distance Classic 12 Hour | 83,71 | ×3 |
| ✓ 2 | 10/4/1999 | 20th American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 3 | 4/4/1998 | 19th American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 4 | 5/4/1997 | 18th American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 5 | 6/4/1996 | 17th American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 6 | 22/8/1987 | Dick Collins 24 Hour Track Run | 56,41 | ×2 |
| ✓ 7 | 1/6/1996 | 7th Shadow of the Giants 50K | 50,00 | ×1 |
| ✓ 8 | 9/3/1996 | 7th Way Too Cool 50K Endurance Run | 50,00 | ×1 |
| ✓ 9 | 12/3/1994 | 5th Way Too Cool 50K Endurance Run | 50,00 | ×1 |
| ✓ 10 | 13/3/1993 | 4th Way Too Cool 50K Endurance Run | 50,00 | ×1 |
| ✓ 11 | 30/1/1993 | 7th Ledson Marsh 50 km | 50,00 | ×1 |
| ✓ 12 | 19/9/1992 | Pacific Crest Trail 50 km | 50,00 | ×1 |
| ✓ 13 | 2/8/1992 | 11th Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 14 | 1/8/1982 | 1st Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 15 | 29/11/1981 | Ultra Challenge 50 km | 50,00 | ×1 |