Xu (张旭) Zhang
Born : 1977 Cat. M45 Ultrarunner since 2015 CHN
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
43,6%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 244; Σ finishers = 2 855. 1 244 / 2 855 × 100 = 43.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7
Km — ultra races534 km
> 100 km1
Longest race110,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail86,5%
Stage13,5%