Kyoko (矢次京子) Yaji
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Born : 1968
Cat. W55 Ultrarunner since 2010
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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 ?Japan
Japan64,0%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 2 190; Σ finishers = 3 420. 2 190 / 3 420 × 100 = 64.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races552 km
Longest race70,0 km
25. Yamaguchi 100 Hagi-O-Kan Maranic 70 km — 4/5/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/5/2013 | 25. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×3 |
| ✓ 2 | 4/5/2012 | 24. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×3 |
| ✓ 3 | 4/5/2011 | 23. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×3 |
| ✓ 4 | 11/4/2015 | 1st Okuizumo Ultra Orochi 60km Tooashi | 62,00 | ×2 |
| ✓ 5 | 18/10/2015 | 21st River Shimanto 60km | 60,00 | ×2 |
| ✓ 6 | 21/10/2012 | 18th River Shimanto 60km | 60,00 | ×2 |
| ✓ 7 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |
| ✓ 8 | 6/6/2015 | 25th Aso Caldera Super Marathon 50 km | 50,00 | ×2 |
| ✓ 9 | 16/6/2013 | 8. Okinoshima 50km Ultra Marathon | 50,00 | ×2 |