Kozue (久保梢) Kubo
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Born : 1985
Cat. W40 Ultrarunner since 2015
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan64,8%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 5 261; Σ finishers = 8 115. 5 261 / 8 115 × 100 = 64.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races853 km
> 100 km1
Longest race112,0 km
20th Mt. Rocco Cannonball Run - 112 km Power — 23/3/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road57,4%
Trail42,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 02.06 | 78km | 26. Ultramarathon Okumusashi |
8:51:17 h | 452 |
| 23.03 | 112km | 20th Mt. Rocco Cannonball Run - 112 km Power |
16:19:00 h | 27 |
| 2018 | ||||
| 20.10 | 73km | 9th OSJ Hyonosen Mountains Trail Race |
11:32:24 h | 61 |
| 12.05 | 50km | 4th Mt. Hiei Int. 50 km Trail Run |
8:34:21 h | 123 |
| 22.04 | 70km | 4th Okumikawa Power Trail |
12:29:10 h | 186 |
| 2017 | ||||
| 15.07 | 100km | 10th OSJ Ontake 100km Ultra Trail |
16:11:22 h | 515 |
| 23.04 | 70km | 3rd Okumikawa Power Trail |
12:57:19 h | 400 |
| 2016 | ||||
| 18.09 | 100km | 16th Tango 100 km Ultramarathon |
13:50:24 h | 1192 |
| 24.04 | 100km | 26th Fuji 5 Lakes 100 km Challenge |
13:42:10 h | 1075 |
| 2015 | ||||
| 20.09 | 100km | 15th Tango 100 km Ultramarathon |
13:36:47 h | 1240 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/3/2019 | 20th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×4 |
| ✓ 2 | 15/7/2017 | 10th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 3 | 18/9/2016 | 16th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 20/9/2015 | 15th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 2/6/2019 | 26. Ultramarathon Okumusashi | 78,00 | ×3 |
| ✓ 7 | 20/10/2018 | 9th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 8 | 22/4/2018 | 4th Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 9 | 23/4/2017 | 3rd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 10 | 12/5/2018 | 4th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |