Junko (手操淳子) Teguri
Ultrarunner since 2025 JPN
4
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 ?JPNJapan
17,8%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 544; Σ finishers = 3 048. 544 / 3 048 × 100 = 17.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed4
Km — ultra races316 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
136
2 races
2025
180
2 races
2026

Race types (share of distance)

Road79,4%
Trail20,6%