Richard Boston
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
57,4%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 759; Σ finishers = 1 323. 759 / 1 323 × 100 = 57.37%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 391 km
> 100 km5
> 160 km3
> 24h2
Longest race180,0 km
Cornbelt Running Club 24 Hour Run — 14/4/1984
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road37,9%
Trail62,1%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
HISTORY
14 race(s) · 2 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2004 | ||||
| 30.10 | 100mi | 28:17:57 h | 52 | |
| 2003 | ||||
| 01.03 | 50mi | 10:48:53 h | 31 | |
| 2002 | ||||
| 02.11 | 50km | 8:56:09 h | 4 | |
| 2000 | ||||
| 11.11 | 50km | 7:53:30 h | 1 🏆 | |
| 1996 | ||||
| 24.08 | 100mi | 29:20:48 h | 122 | |
| 1995 | ||||
| 13.05 | 50km | 7:05:08 h | 13 | |
| 1990 | ||||
| 04.02 | 50mi | 11:08:30 h | 32 | |
| 21.01 | 40.5mi | 6:43:14 h | 31 | |
| 1989 | ||||
| 04.08 | 24h | 120.700 km | 15 | |
| 1986 | ||||
| 16.11 | 50mi | 9:42:07 h | 73 | |
| 1984 | ||||
| 23.06 | 93.5mi | 28:33:00 h | 228 | |
| 14.04 | 24h | 180.014 km | 6 | |
| 14.04 | 50mi | Cornbelt Running Club 24 Hour Run - 50mi Split | 7:57:06 h | 4 |
| 14.04 | 100mi | Cornbelt Running Club 24 Hour Run - 100mi Split | 21:15:00 h | 8 |
| 1983 | ||||
| 02.10 | 50mi | 7:49:40 h | 63 | |
| 1981 | ||||
| 04.10 | 50mi | 8:08:14 h | 102 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/4/1984 | Cornbelt Running Club 24 Hour Run | 180,01 | ×5 |
| ✓ 2 | 30/10/2004 | 2nd Javelina Jundred 100 Mile | 160,93 | ×4 |
| ✓ 3 | 24/8/1996 | 14th Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 4 | 23/6/1984 | 11th Western States 100 Mile Endurance Run | 150,47 | ×4 |
| ✓ 5 | 4/8/1989 | Orange 24 Hour Run | 120,70 | ×3 |
| ✓ 6 | 1/3/2003 | 13th Old Pueblo 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 7 | 4/2/1990 | 12th Pacific Crest Trail Fifty | 80,47 | ×2 |
| ✓ 8 | 16/11/1986 | 3rd San Juan Trail 50 Mile | 80,47 | ×2 |
| ✓ 9 | 2/10/1983 | AMJA 50 Mile Ultramarathon | 80,47 | ×2 |
| ✓ 10 | 4/10/1981 | AMJA 50 Mile Ultramarathon | 80,47 | ×2 |
| ✓ 11 | 21/1/1990 | Spunky Canyon Ultra | 65,18 | ×1 |
| ✓ 12 | 2/11/2002 | 8th Just Another Mad Dog 50 km | 50,00 | ×1 |
| ✓ 13 | 11/11/2000 | 6th Just Another Mad Dog 50 km | 50,00 | ×1 |
| ✓ 14 | 13/5/1995 | 6th Zane Grey Highline Trail 50 km | 50,00 | ×1 |