Junko (日下純子) Kusaka
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Ultrarunner since 2011
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan79,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 994; Σ finishers = 2 519. 1 994 / 2 519 × 100 = 79.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races790 km
> 100 km1
Longest race102,0 km
3rd Okuizumo Ultra Orochi 100km Tooashi — 15/4/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 01.10 | 100km | 1st Yasaka Ultra Marathon in Hamada - 100 km |
16:02:30 h | 117 |
| 18.06 | 100km | 12. Okinoshima 100km Ultra Marathon |
14:24:12 h | 382 |
| 15.04 | 102km | 3rd Okuizumo Ultra Orochi 100km Tooashi |
13:59:10 h | 182 |
| 2016 | ||||
| 29.05 | 100km | 23rd Ebisu-Daikoku 100 km Marathon |
13:42:28 h | 371 |
| 2014 | ||||
| 14.09 | 88km | 5th Akiota Yajirushi Marathon 88km |
12:29:36 h | 309 |
| 2013 | ||||
| 26.05 | 100km | 20th Ebisu-Daikoku 100 km Marathon |
13:04:11 h | 209 |
| 2012 | ||||
| 27.05 | 100km | 19th Ebisu-Daikoku 100 km Marathon |
13:39:51 h | 233 |
| 2011 | ||||
| 21.08 | 100km | 1st North Okhotsk 100 km Marathon |
13:25:13 h | 199 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/4/2017 | 3rd Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×4 |
| ✓ 2 | 1/10/2017 | 1st Yasaka Ultra Marathon in Hamada - 100 km | 100,00 | ×4 |
| ✓ 3 | 18/6/2017 | 12. Okinoshima 100km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 29/5/2016 | 23rd Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 5 | 26/5/2013 | 20th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 6 | 27/5/2012 | 19th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 7 | 21/8/2011 | 1st North Okhotsk 100 km Marathon | 100,00 | ×4 |
| ✓ 8 | 14/9/2014 | 5th Akiota Yajirushi Marathon 88km | 88,00 | ×3 |