Mitsuko (松澤充子) Matsuzawa
External sources
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Ultrarunner since 2016
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
Japan67,5%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 3 004; Σ finishers = 4 451. 3 004 / 4 451 × 100 = 67.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed19
Km — ultra races3 231 km
> 100 km13
> 160 km6
> 200 km4
Longest race516,0 km
21st River Road Foot Race 516 km — 30/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,5%
Trail1,5%
Stage4,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F3
Longest winning streak0
Current streak0
Records
HISTORY
18 race(s) · 2 stage(s) nested| Runner | Races in common |
|---|---|