Yong-Zhuang (马永壮) Ma
Born : 1980 Cat. M45 Ultrarunner since 2016 CHN
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
14,7%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 019; Σ finishers = 6 941. 1 019 / 6 941 × 100 = 14.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 570 km
> 100 km4
> 160 km1
Longest race160,9 km

Km per year (ultra races)

52
1 race
2022
272
3 races
2023
150
2 races
2024
2025
2026

Race types (share of distance)

Trail100,0%