Miki (桑山美紀) Kuwayama
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Born : 1962
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.
42
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
Japan72,5%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 517; Σ finishers = 2 091. 1 517 / 2 091 × 100 = 72.55%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races2 169 km
> 100 km11
> 160 km2
> 200 km2
Longest race514,0 km
19th River Road Foot Race 514 km — 30/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road73,9%
Trail12,9%
Stage13,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F1
Longest winning streak0
Current streak0
Records
HISTORY
15 race(s) · 4 stage(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/4/2024 | 19th River Road Foot Race 514 km | 514,00 | ×12 |
| ✓ 2 | 3/5/2023 | 18th River Road Foot Race 251 km | 251,00 | ×5 |
| ✓ 3 | 20/3/2026 | 2nd Izuichi Great Race 160km | 160,00 | ×3 |
| ✓ 4 | 28/2/2026 | 3rd Modern Japanese Silk Road Journey Run | 150,00 | ×3 |
| ✓ 5 | 16/3/2024 | 12th Arakawa Riverside Journey Stage Race | 136,00 | ×3 |
| ✓ 6 | 5/11/2022 | 3rd Tokyo Great Race 128km | 128,00 | ×3 |
| ✓ 7 | 21/3/2025 | 1st Izuichi Great Race 120km | 120,00 | ×2 |
| ✓ 8 | 12/3/2022 | 12th Oedo Night run 115k | 115,00 | ×2 |
| ✓ 9 | 23/2/2019 | 9th Oedo Night run 113k | 113,00 | ×2 |
| ✓ 10 | 3/3/2018 | 8th Oedo Night run 113k | 113,00 | ×2 |
| ✓ 11 | 2/11/2018 | Tachibana Bay Coast 105 Ultra Marathon | 105,00 | ×2 |
| ✓ 12 | 14/4/2018 | 13th Toda Saiko 70 km | 70,00 | ×1 |
| ✓ 13 | 12/4/2014 | 9th Toda Saiko 70 km | 70,00 | ×1 |
| ✓ 14 | 1/10/2023 | 10th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K | 64,00 | ×1 |
| ✓ 15 | 7/9/2019 | 3rd Miyagi Yumeguri Ultra Marathon - 60 km | 60,00 | ×1 |