Fei (苏飞) Su
Born : 1991 Cat. M35 Ultrarunner since 2022 CHN
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
41,1%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 240; Σ finishers = 584. 240 / 584 × 100 = 41.10%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5
Km — ultra races345 km
Longest race100,0 km

Km per year (ultra races)

110
2 races
2022
170
2 races
2023
2024
2025
65
1 race
2026

Race types (share of distance)

Road17,4%
Trail82,6%