Cheng-Shu (李政書) Lee
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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 ?
Taiwan
63,9%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 2 054; Σ finishers = 3 215. 2 054 / 3 215 × 100 = 63.89%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 165 km
> 100 km2
> 24h2
Longest race105,9 km
13th Taipei 24hr Ultra Marathon — 24/2/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road95,7%
Trail4,3%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
HISTORY
18 race(s) · 13 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/2/2024 | 13th Taipei 24hr Ultra Marathon | 105,90 | ×3 |
| ✓ 2 | 7/2/2026 | 15th Taipei 24hr Ultra Marathon | 101,65 | ×3 |
| ✓ 3 | 10/2/2018 | 7th Taipei 12hr Ultra Marathon | 84,69 | ×3 |
| ✓ 4 | 8/2/2020 | 9th Taipei 12hr Ultra Marathon | 84,38 | ×3 |
| ✓ 5 | 11/2/2023 | 12th Taipei 12hr Ultra Marathon | 79,42 | ×2 |
| ✓ 6 | 30/1/2021 | 10th Taipei 12hr Ultra Marathon | 70,88 | ×2 |
| ✓ 7 | 5/11/2022 | 8th Buddha's Palm 69km Ultramarathon | 69,00 | ×2 |
| ✓ 8 | 15/4/2017 | 3rd The Northern Cross Ultramarathon - 58 km | 58,00 | ×2 |
| ✓ 9 | 22/2/2025 | 14th Taipei 12hr Ultra Marathon | 55,94 | ×1 |
| ✓ 10 | 27/12/2025 | 9th Bei-yi Freeway Ultra Marathon | 55,00 | ×1 |
| ✓ 11 | 25/4/2020 | 1st Shackleton Ultra Marathon - Endeavor | 55,00 | ×1 |
| ✓ 12 | 21/12/2019 | 3rd Bei-yi Freeway Ultra Marathon | 55,00 | ×1 |
| ✓ 13 | 5/5/2012 | 1st Bei-yi Freeway Ultra Marathon | 53,50 | ×1 |
| ✓ 14 | 5/6/2016 | 1st Ultra-Trail Yilan | 50,00 | ×1 |
| ✓ 15 | 31/1/2016 | 5th Taipei 6hr Ultra Marathon Sunday Run | 47,91 | ×1 |
| ✓ 16 | 12/2/2022 | 11th Taipei 6hr Ultra Marathon Saturday Run | 47,25 | ×1 |
| ✓ 17 | 16/2/2013 | 2nd Taipei 6hr Ultra Marathon Saturday Run | 46,09 | ×1 |
| ✓ 18 | 3/12/2017 | Decisive battle in Lan Yang | 45,00 | ×1 |