Chih-Yung (周志勇) Chou
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
56,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 334; Σ finishers = 4 130. 2 334 / 4 130 × 100 = 56.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races731 km
Longest race100,0 km
3rd Praying for Taiwan - 100K Ultramarathon — 15/1/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road92,6%
Trail7,4%
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/1/2011 | 3rd Praying for Taiwan - 100K Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 25/12/2022 | 5th Shancheng 66 km Ultramarathon | 66,00 | ×2 |
| ✓ 3 | 22/10/2023 | 1st Flower Gay Boy Run 60 | 60,00 | ×2 |
| ✓ 4 | 17/3/2018 | 8th Southern Cross-Island Highway 60 km Ultra Marathon | 60,00 | ×2 |
| ✓ 5 | 3/2/2011 | 4th Tainan Branch Friendship Cup Chinese New Year Marathon | 54,30 | ×2 |
| ✓ 6 | 2/3/2019 | 2nd Taiwania 54 Ultra Trail | 54,00 | ×2 |
| ✓ 7 | 27/1/2019 | 1st Water and Green Ultra Run | 50,00 | ×2 |
| ✓ 8 | 23/9/2012 | 2nd Flex Power National 50K Track Kaosiung | 50,00 | ×2 |
| ✓ 9 | 1/8/2010 | 3rd Kaohsiung Summer 50km Ultramarathon | 50,00 | ×2 |
| ✓ 10 | 4/11/2017 | 5th Kaohsiung 6h UltraMarathon Saturday Run | 49,00 | ×2 |
| ✓ 11 | 10/2/2013 | 6th Tainan Branch Friendship Cup Chinese New Year Marathon | 46,90 | ×1 |
| ✓ 12 | 17/10/2010 | Hengchun Airport ultra marathon | 45,60 | ×1 |
| ✓ 13 | 9/4/2017 | 2nd Kaohaiung Love Public Ultramarathon | 45,30 | ×1 |