Katsura (山下桂) Yamashita
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Ultrarunner since 2010
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
Japan63,8%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 086; Σ finishers = 1 702. 1 086 / 1 702 × 100 = 63.81%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races342 km
Longest race62,0 km
3rd Okuizumo Ultra Orochi 60km Tooashi — 15/4/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 19.10 | 50km | 4th Iki 50 km Ultra Marathon |
7:22:42 h | 150 |
| 2018 | ||||
| 21.10 | 60km | 7th Noto Peninsula 60 km Ultra Marathon |
8:52:53 h | 119 |
| 2017 | ||||
| 15.04 | 62km | 3rd Okuizumo Ultra Orochi 60km Tooashi |
9:03:16 h | 85 |
| 2016 | ||||
| 09.10 | 60km | 11th Echigo Kubikino 60km Ultramarathon |
8:08:52 h | 314 |
| 2014 | ||||
| 12.10 | 60km | 10th Echigo Kubikino 60km Ultramarathon |
7:38:53 h | 252 |
| 2010 | ||||
| 09.10 | 50km | 8th Echigo Kubikino 50km Ultramarathon |
6:01:19 h | 172 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/4/2017 | 3rd Okuizumo Ultra Orochi 60km Tooashi | 62,00 | ×3 |
| ✓ 2 | 21/10/2018 | 7th Noto Peninsula 60 km Ultra Marathon | 60,00 | ×3 |
| ✓ 3 | 9/10/2016 | 11th Echigo Kubikino 60km Ultramarathon | 60,00 | ×3 |
| ✓ 4 | 12/10/2014 | 10th Echigo Kubikino 60km Ultramarathon | 60,00 | ×3 |
| ✓ 5 | 19/10/2019 | 4th Iki 50 km Ultra Marathon | 50,00 | ×3 |
| ✓ 6 | 9/10/2010 | 8th Echigo Kubikino 50km Ultramarathon | 50,00 | ×3 |