James Weil
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1943
Cat. M80 Ultrarunner since 1974
16
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
United States85,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 527; Σ finishers = 1 777. 1 527 / 1 777 × 100 = 85.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 134 km
> 100 km2
> 160 km1
Longest race160,9 km
8th Wasatch Front 100 Mile — 11/9/1987
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road4,4%
Trail95,6%
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 01.12 | 50mi | 5th Jackson County 50-50 Ultra-marathon - 50 Mile |
13:57:42 h | 13 |
| 1999 | ||||
| 05.09 | 50km | 5th Run On The Sly 50 km |
8:30:38 h | 67 |
| 1997 | ||||
| 29.11 | 28mi | 13th Quad Dipsea Trail Run |
8:20:45 h | 195 |
| 1996 | ||||
| 30.11 | 28mi | 12th Quad Dipsea Trail Run |
8:50:50 h | 193 |
| 1995 | ||||
| 02.09 | 50km | 1st Point Reyes 50K |
8:54:22 h | 155 |
| 1992 | ||||
| 14.03 | 50km | 3rd Way Too Cool 50K Endurance Run |
7:47:59 h | 281 |
| 1989 | ||||
| 25.11 | 28mi | 5th Quad Dipsea Trail Run |
8:22:00 h | 65 |
| 1987 | ||||
| 27.11 | 28mi | 3rd Quad Dipsea Trail Run |
7:48:14 h | 70 |
| 11.09 | 100mi | 8th Wasatch Front 100 Mile |
34:37:44 h | 48 |
| 01.08 | 50km | 6th Skyline 50k Endurance Run |
7:58:55 h | 94 |
| 1984 | ||||
| 13.05 | 50mi | California 50 Mile Endurance Run |
12:33:31 h | 101 |
| 1981 | ||||
| 29.11 | 50km | Ultra Challenge 50 km |
6:58:35 h | 75 |
| 03.10 | 48.6mi | Cow Mountain Planet Earth Run |
9:00:53 h | 28 |
| 1979 | ||||
| 07.07 | 89mi | 6th Western States 100 Mile Endurance Run |
23:49:17 h | 65 |
| 1978 | ||||
| 07.10 | 50mi | Cow Mountain Planet Earth Run |
12:32:00 h | 15 |
| 1974 | ||||
| 30.03 | 50mi | 12th JFK 50 Mile |
11:12:00 h | 78 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/9/1987 | 8th Wasatch Front 100 Mile | 160,93 | ×5 |
| ✓ 2 | 7/7/1979 | 6th Western States 100 Mile Endurance Run | 143,23 | ×5 |
| ✓ 3 | 1/12/2018 | 5th Jackson County 50-50 Ultra-marathon - 50 Mile | 80,47 | ×2 |
| ✓ 4 | 13/5/1984 | California 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 5 | 7/10/1978 | Cow Mountain Planet Earth Run | 80,47 | ×2 |
| ✓ 6 | 30/3/1974 | 12th JFK 50 Mile | 80,47 | ×2 |
| ✓ 7 | 3/10/1981 | Cow Mountain Planet Earth Run | 78,21 | ×2 |
| ✓ 8 | 5/9/1999 | 5th Run On The Sly 50 km | 50,00 | ×1 |
| ✓ 9 | 2/9/1995 | 1st Point Reyes 50K | 50,00 | ×1 |
| ✓ 10 | 14/3/1992 | 3rd Way Too Cool 50K Endurance Run | 50,00 | ×1 |
| ✓ 11 | 1/8/1987 | 6th Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 12 | 29/11/1981 | Ultra Challenge 50 km | 50,00 | ×1 |
| ✓ 13 | 29/11/1997 | 13th Quad Dipsea Trail Run | 45,06 | ×1 |
| ✓ 14 | 30/11/1996 | 12th Quad Dipsea Trail Run | 45,06 | ×1 |
| ✓ 15 | 25/11/1989 | 5th Quad Dipsea Trail Run | 45,06 | ×1 |
| ✓ 16 | 27/11/1987 | 3rd Quad Dipsea Trail Run | 45,06 | ×1 |