Andrew Jaffe
External sources
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
2
Countries visited ?
United Kingdom
United States
18,7%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 136; Σ finishers = 727. 136 / 727 × 100 = 18.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 062 km
> 100 km1
> 160 km1
> 24h1
Longest race195,4 km
Little Rhody 24 Hour Track Run — 6/6/1981
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road90,9%
Trail9,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1985 | ||||
| 28.04 | 50mi | 6:03:54 h | 4 | |
| 16.03 | 60km | 4:32:11 h | 9 | |
| 1984 | ||||
| 18.03 | 60km | 4:18:36 h | 7 | |
| 1983 | ||||
| 25.09 | 86.3km | 6:48:31 h | 57 | |
| 14.08 | 60mi | 7:45:08 h | 2 🥈 | |
| 1982 | ||||
| 02.05 | 50mi | 6:12:29 h | 13 | |
| 1981 | ||||
| 15.11 | 50mi | 6:13:31 h | 6 | |
| 06.06 | 24h | 195.400 km | 4 | |
| 03.05 | 50mi | 6:18:29 h | 19 | |
| 1980 | ||||
| 16.11 | 50mi | 5:42:43 h | 2 🥈 | |
| 1979 | ||||
| 06.05 | 50mi | 6:04:39 h | 11 | |
| 1978 | ||||
| 07.05 | 50mi | 6:42:02 h | 14 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/1981 | Little Rhody 24 Hour Track Run | 195,40 | ×6 |
| ✓ 2 | 14/8/1983 | Run to the Border | 96,56 | ×3 |
| ✓ 3 | 25/9/1983 | 33rd London to Brighton Road Race | 86,30 | ×2 |
| ✓ 4 | 28/4/1985 | 12th Lake Waramaug 50mi Ultra Marathon | 80,47 | ×2 |
| ✓ 5 | 2/5/1982 | 9th Lake Waramaug 50mi Ultra Marathon | 80,47 | ×2 |
| ✓ 6 | 15/11/1981 | 1st Nickel City Fifty Miler | 80,47 | ×2 |
| ✓ 7 | 3/5/1981 | 8th Lake Waramaug 50mi Ultra Marathon | 80,47 | ×2 |
| ✓ 8 | 16/11/1980 | 1st Nifty Fifty Miles | 80,47 | ×2 |
| ✓ 9 | 6/5/1979 | 6th Lake Waramaug 50mi Ultra Marathon | 80,47 | ×2 |
| ✓ 10 | 7/5/1978 | 5th Lake Waramaug 50mi Ultra Marathon | 80,47 | ×2 |
| ✓ 11 | 16/3/1985 | 7th NYRR Knickerbocker 60K | 60,00 | ×2 |
| ✓ 12 | 18/3/1984 | 6th NYRR Knickerbocker 60K | 60,00 | ×2 |