Yu (宋雨) Song
Born : 1990 Cat. M35 Ultrarunner since 2017 CHN
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
2
Countries visited ?CHNChinaHKGHong Kong
9,5%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 378; Σ finishers = 3 992. 378 / 3 992 × 100 = 9.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races2 376 km
> 100 km9
> 160 km3
> 200 km1
Longest race333,0 km

Km per year (ultra races)

75
1 race
2022
285
3 races
2023
150
2 races
2024
105
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0