Naomi (山口直美) Yamaguchi
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Born : 1974
Cat. W50 Ultrarunner since 2010
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
Japan64,2%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 152; Σ finishers = 1 794. 1 152 / 1 794 × 100 = 64.21%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races357 km
> 100 km1
Longest race103,0 km
4th Tojinbo 103 km Ultramarathon — 16/5/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
No record for a classic ultra format
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 28.05 | 52km | 5th Tojinbo 52 km Ultramarathon |
9:17:31 h | 145 |
| 24.04 | 70km | 8th 70 km Ultra Maranic Osaka |
9:15:38 h | 118 |
| 2015 | ||||
| 16.05 | 103km | 4th Tojinbo 103 km Ultramarathon |
14:28:13 h | 125 |
| 2014 | ||||
| 08.06 | 72km | 3rd Hida Takayama 72 km Ultramarathon |
10:01:24 h | 372 |
| 2010 | ||||
| 19.09 | 60km | 10th Tango 60 km Ultramarathon |
8:45:55 h | 397 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/5/2015 | 4th Tojinbo 103 km Ultramarathon | 103,00 | ×6 |
| ✓ 2 | 8/6/2014 | 3rd Hida Takayama 72 km Ultramarathon | 72,00 | ×4 |
| ✓ 3 | 24/4/2016 | 8th 70 km Ultra Maranic Osaka | 70,00 | ×4 |
| ✓ 4 | 19/9/2010 | 10th Tango 60 km Ultramarathon | 60,00 | ×3 |
| ✓ 5 | 28/5/2016 | 5th Tojinbo 52 km Ultramarathon | 52,00 | ×3 |