Man-On (劉文安) Lau
Born : 1976 Cat. M50 Ultrarunner since 2024 HKG
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
11
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 ?HKGHong Kong
46,7%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 506; Σ finishers = 1 083. 506 / 1 083 × 100 = 46.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races122 km
Longest race66,0 km

Km per year (ultra races)

2022
2023
66
1 race
2024
2025
56
1 race
2026

Race types (share of distance)

Trail100,0%

Records

No record for a classic ultra format