James Sparks
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Born : 1946
Cat. M80 Ultrarunner since 2008
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 States86,6%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 079; Σ finishers = 1 246. 1 079 / 1 246 × 100 = 86.60%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races605 km
Longest race55,0 km
7th Moab Red Hot 55k — 16/2/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2013 | ||||
| 22.06 | 50km | 11th Old Gabe 50K |
9:38:16 h | 30 |
| 01.06 | 50km | 5th Golden Gate Dirty 30 |
8:42:10 h | 225 |
| 11.05 | 50km | 5th Lost Lake 50k |
9:05:22 h | 40 |
| 21.04 | 50km | 3rd Yakima Skyline Rim 50k |
8:50:09 h | 84 |
| 16.02 | 55km | 7th Moab Red Hot 55k |
8:41:45 h | 287 |
| 2012 | ||||
| 23.06 | 50km | 10th Old Gabe 50K |
10:44:38 h | 30 |
| 02.06 | 50km | 4th Golden Gate Dirty 30 |
8:31:08 h | 237 |
| 22.01 | 50km | 1st Brooks Falls Trail |
7:37:32 h | 16 |
| 2011 | ||||
| 10.12 | 50km | 2nd Coyote Ridge 50 km Trail Run |
7:10:03 h | 24 |
| 25.06 | 50km | 9th Old Gabe 50K |
10:07:44 h | 22 |
| 2008 | ||||
| 26.07 | 50km | 1st Speedgoat 50k |
9:29:24 h | 56 |
| 17.05 | 50km | 3rd Jemez Mountain 50km Trail Run |
8:50:57 h | 40 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/2/2013 | 7th Moab Red Hot 55k | 55,00 | ×2 |
| ✓ 2 | 22/6/2013 | 11th Old Gabe 50K | 50,00 | ×2 |
| ✓ 3 | 1/6/2013 | 5th Golden Gate Dirty 30 | 50,00 | ×2 |
| ✓ 4 | 11/5/2013 | 5th Lost Lake 50k | 50,00 | ×2 |
| ✓ 5 | 21/4/2013 | 3rd Yakima Skyline Rim 50k | 50,00 | ×2 |
| ✓ 6 | 23/6/2012 | 10th Old Gabe 50K | 50,00 | ×2 |
| ✓ 7 | 2/6/2012 | 4th Golden Gate Dirty 30 | 50,00 | ×2 |
| ✓ 8 | 22/1/2012 | 1st Brooks Falls Trail | 50,00 | ×2 |
| ✓ 9 | 10/12/2011 | 2nd Coyote Ridge 50 km Trail Run | 50,00 | ×2 |
| ✓ 10 | 25/6/2011 | 9th Old Gabe 50K | 50,00 | ×2 |
| ✓ 11 | 26/7/2008 | 1st Speedgoat 50k | 50,00 | ×2 |
| ✓ 12 | 17/5/2008 | 3rd Jemez Mountain 50km Trail Run | 50,00 | ×2 |