Chih-Ming (蔡志明) Tsai
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
53,0%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 949; Σ finishers = 1 791. 949 / 1 791 × 100 = 52.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races625 km
Longest race100,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
HISTORY
10 race(s) · 2 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/3/2019 | 9th Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 2 | 6/1/2019 | 1st National University of Kaohsiung 100km | 100,00 | ×4 |
| ✓ 3 | 9/12/2018 | 2nd Shancheng 66 km Ultramarathon | 66,00 | ×2 |
| ✓ 4 | 17/3/2018 | 8th Southern Cross-Island Highway 60 km Ultra Marathon | 60,00 | ×2 |
| ✓ 5 | 11/10/2019 | 5th Jhen-wu-shan UltraMaraton | 53,00 | ×2 |
| ✓ 6 | 4/11/2017 | 5th Kaohsiung 6h UltraMarathon Saturday Run | 52,50 | ×2 |
| ✓ 7 | 22/9/2018 | 3rd Doubang 6h Ultramarathon | 51,20 | ×2 |
| ✓ 8 | 29/4/2018 | 1st Fencihu 50 km Ultra Run | 50,00 | ×2 |
| ✓ 9 | 3/11/2018 | 6th Kaohsiung 12h UltraMarathon | 47,25 | ×2 |
| ✓ 10 | 11/3/2017 | 7th Southern Cross-Island Highway 45 km Ultra Marathon | 45,00 | ×1 |