Kazuyo (秋田計代) Akita
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Born : 1964
Cat. W60 Ultrarunner since 2014
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
Japan73,4%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 4 807; Σ finishers = 6 548. 4 807 / 6 548 × 100 = 73.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 192 km
> 100 km1
> 160 km1
Longest race167,0 km
7th Ultra-Trail Mt. Fuji (UTMF) — 22/4/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road54,2%
Trail45,8%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 28.09 | 88km | 28th Muraoka 88 km Ultra Marathon |
13:15:06 h | 127 |
| 2024 | ||||
| 29.09 | 64km | 27th Muraoka 64 km Ultra Marathon |
9:12:37 h | 137 |
| 06.04 | 52km | 7th Lake Biwa Kaizu Sakura Maranic - 52 km |
7:18:00 h | 22 |
| 2023 | ||||
| 10.12 | 100km | 4th Tobishima Ultra Marathon |
14:36:32 h | 246 |
| 04.11 | 50km | 10th Nakanoto Treasure Trail Run Festival |
8:45:56 h | 129 |
| 21.10 | 56km | 29th Mt. Rocco Cannonball Run - 56 km Night Speed |
11:04:00 h | 72 |
| 2022 | ||||
| 22.04 | 167km | 7th Ultra-Trail Mt. Fuji |
40:05:50 h | 1113 |
| 2020 | ||||
| 25.10 | 70km | 5th Ryoma Dappan Trail Race |
13:06:29 h | 103 |
| 2019 | ||||
| 06.10 | 73km | 5th Gasando Trail running race |
13:35:11 h | 135 |
| 2018 | ||||
| 09.12 | 71.7km | 5th Izu Trail Journey |
13:28:49 h | 1091 |
| 14.10 | 57.8km | 2nd Kohechi Trail Journey |
11:32:56 h | 97 |
| 22.04 | 100km | 28th Fuji 5 Lakes 100 km Challenge |
13:33:38 h | 1005 |
| 2017 | ||||
| 24.09 | 88km | 20th Muraoka 88 km Ultra Marathon |
12:13:30 h | 99 |
| 2016 | ||||
| 25.09 | 88km | 19th Muraoka 88 km Ultra Marathon |
13:39:21 h | 155 |
| 2014 | ||||
| 28.09 | 66km | 17th Muraoka 66 km Ultra Marathon |
10:43:15 h | 291 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 2 | 10/12/2023 | 4th Tobishima Ultra Marathon | 100,00 | ×3 |
| ✓ 3 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 4 | 28/9/2025 | 28th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 5 | 24/9/2017 | 20th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 6 | 25/9/2016 | 19th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 7 | 6/10/2019 | 5th Gasando Trail running race | 73,00 | ×2 |
| ✓ 8 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 9 | 25/10/2020 | 5th Ryoma Dappan Trail Race | 70,00 | ×2 |
| ✓ 10 | 28/9/2014 | 17th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 11 | 29/9/2024 | 27th Muraoka 64 km Ultra Marathon | 64,00 | ×2 |
| ✓ 12 | 14/10/2018 | 2nd Kohechi Trail Journey | 57,80 | ×1 |
| ✓ 13 | 21/10/2023 | 29th Mt. Rocco Cannonball Run - 56 km Night Speed | 56,00 | ×1 |
| ✓ 14 | 6/4/2024 | 7th Lake Biwa Kaizu Sakura Maranic - 52 km | 52,00 | ×1 |
| ✓ 15 | 4/11/2023 | 10th Nakanoto Treasure Trail Run Festival | 50,00 | ×1 |