Chieko (宗千栄子) So
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Born : 1971
Cat. W55 Ultrarunner since 2013
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
3
Countries visited ?
Hong KongJapan
Taiwan
Hong KongJapanTaiwan34,8%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 549; Σ finishers = 4 448. 1 549 / 4 448 × 100 = 34.82%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 034 km
> 100 km3
> 160 km1
Longest race162,0 km
2nd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile — 31/12/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road30,2%
Trail69,8%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 11.06 | 100km | 6th Hida Takayama 100 km Ultramarathon |
11:26:34 h | 403 |
| 13.05 | 108.7km | 1st Aso Round Trail |
22:59:29 h | 60 |
| 08.01 | 100km | 2nd Yakushima Ultramarathon |
13:50:00 h | 45 |
| 2016 | ||||
| 31.12 | 162km | 2nd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile |
38:29:23 h | 116 |
| 19.11 | 100km | 1st Formosa Trail 100km |
21:09:55 h | 11 |
| 24.04 | 70km | 2nd Okumikawa Power Trail |
11:37:02 h | 254 |
| 26.03 | 112km | 14th Mt. Rocco Cannonball Run - 112 km Power |
17:55:00 h | 59 |
| 2015 | ||||
| 18.10 | 73km | 6th OSJ Hyonosen Mountains Trail Race |
11:33:48 h | 150 |
| 02.08 | 74km | 1st OSJ Yamanaka Onsen Trail Run |
15:24:25 h | 87 |
| 2014 | ||||
| 15.06 | 81.4km | 1. Spatrail - Shima to Kusatsu |
12:38:49 h | 213 |
| 2013 | ||||
| 15.09 | 53km | 3rd Hakuba Int. Trail Run |
7:24:28 h | 162 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/12/2016 | 2nd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile | 162,00 | ×5 |
| ✓ 2 | 26/3/2016 | 14th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 3 | 13/5/2017 | 1st Aso Round Trail | 108,70 | ×3 |
| ✓ 4 | 11/6/2017 | 6th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 8/1/2017 | 2nd Yakushima Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 19/11/2016 | 1st Formosa Trail 100km | 100,00 | ×3 |
| ✓ 7 | 15/6/2014 | 1. Spatrail - Shima to Kusatsu | 81,40 | ×2 |
| ✓ 8 | 2/8/2015 | 1st OSJ Yamanaka Onsen Trail Run | 74,00 | ×2 |
| ✓ 9 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 10 | 24/4/2016 | 2nd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 11 | 15/9/2013 | 3rd Hakuba Int. Trail Run | 53,00 | ×1 |