Yiu-Fun (Jonathan) (劉耀勳) Lau
Born : 1982 Cat. M40 Ultrarunner since 2014 HKG
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
13
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 ?HKGHong KongJPNJapan
8,3%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 106; Σ finishers = 1 271. 106 / 1 271 × 100 = 8.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed4
Km — ultra races202 km
Longest race52,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road50,5%
Trail49,5%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak1

Records