Song (殷松) Yin
Born : 1984 Cat. M40 Ultrarunner since 2023 CHN
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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 ?CHNChina
7,1%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 420; Σ finishers = 5 890. 420 / 5 890 × 100 = 7.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6
Km — ultra races507 km
> 100 km1
Longest race159,2 km

Km per year (ultra races)

2022
51
1 race
2023
147
2 races
2024
259
2 races
2025
50
1 race
2026

Race types (share of distance)

Trail100,0%