David Chung
Born : 1970 Cat. M55 Ultrarunner since 2009 SGP
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
11
Countries visited ?AUSAustraliaCHNChinaHKGHong KongINAIndonesiaJPNJapanKORSouth KoreaMASMalaysiaRSASouth AfricaSGPSingaporeTHAThailandTPETaiwan
52,8%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 11 477; Σ finishers = 21 725. 11 477 / 21 725 × 100 = 52.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 122 km
> 100 km4
> 160 km2
Longest race170,0 km

Km per year (ultra races)

2022
86
1 race
2023
2024
50
1 race
2025
2026

Race types (share of distance)

Road18,6%
Trail81,4%