Yan-Sheng (丁延胜) Ding
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Born : 1988
Cat. M35 Ultrarunner since 2014
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
60
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
6
Countries visited ?China
Spain
Japan
Malaysia
Thailand
Taiwan
ChinaSpainJapanMalaysiaThailandTaiwan26,8%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 690; Σ finishers = 2 573. 690 / 2 573 × 100 = 26.82%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed33
Km — ultra races4 575 km
> 100 km24
> 160 km8
> 200 km6
> 24h14
> 48h2
Longest race281,2 km
4th Hirosaki 48h Ultra Run — 23/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road89,0%
Trail11,0%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 38
🏅 Top 3 M10
Longest winning streak1
Current streak0
HISTORY
33 race(s) · 19 split(s) nested| Runner | Races in common |
|---|---|