Jing-Jing (缪兢兢) Miao
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14
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
2
Countries visited ?
China
Japan
49,9%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 3 717; Σ finishers = 7 450. 3 717 / 7 450 × 100 = 49.89%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 063 km
> 100 km3
> 160 km1
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/4/2018 | 5th Ultra-Trail Mt. Fuji (UTMF) | 170,00 | ×6 |
| ✓ 2 | 17/10/2020 | 8th Ninghai Ultra Trail - 100km | 108,00 | ×3 |
| ✓ 3 | 13/10/2018 | 6th Ninghai Ultra Trail - 100km | 103,50 | ×3 |
| ✓ 4 | 9/1/2021 | 5th GZ100 Guangzhou - 100 km Run | 100,00 | ×3 |
| ✓ 5 | 20/5/2017 | 2nd Qingdao Laoshan 100K Ultra Trail | 100,00 | ×3 |
| ✓ 6 | 15/4/2017 | 3rd Jiangnan 100 Ultra Trail - 66km | 66,00 | ×2 |
| ✓ 7 | 8/11/2025 | 10th Wuyishan Trail Race 60 km | 60,00 | ×2 |
| ✓ 8 | 28/3/2026 | 4th Huangshan huizhou trail race | 55,00 | ×1 |
| ✓ 9 | 11/11/2023 | 8th Jiangnan 100 Ultra Trail - 50km | 50,00 | ×1 |
| ✓ 10 | 14/4/2018 | 4th Jiangnan 100 Ultra Trail - 50km | 50,00 | ×1 |
| ✓ 11 | 25/11/2017 | 1st Yangxian Trail Challenge - 50km | 50,00 | ×1 |
| ✓ 12 | 14/10/2017 | 5th Ninghai Ultra Trail - 50km | 50,00 | ×1 |
| ✓ 13 | 11/3/2017 | 4th Wendao Ultra Trail HZ100 - 50 km | 50,00 | ×1 |
| ✓ 14 | 29/10/2016 | 1st TransLaoshao Trailrunning Challenge | 50,00 | ×1 |