Zhong-Zhi (张忠志) Zhang
Born : 1980 Cat. M45 Ultrarunner since 2017 CHN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
16,2%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 1 364; Σ finishers = 8 403. 1 364 / 8 403 × 100 = 16.23%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races1 317 km
Longest race100,0 km

Km per year (ultra races)

51
1 race
2022
101
2 races
2023
60
1 race
2024
2025
2026

Race types (share of distance)

Trail100,0%