Chiba, Aiko
JapanWomanBorn 19592010 – 2026Runner id 152379
Events
21
2010 – 2026
Best pace
8.491
km/h · 2012
Best finish
10th
of 62 · 2024
Distance raced
1,528
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 21 races from 2010 to 2026, ranging from 5.89 to 11.58 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2010-08-29 | 52km | 7:06:00 h | 7.324 | 80/108 | |
| 2012-04-22 | 72km | 9:36:13 h | 7.497 | 379/727 | |
| 2012-09-02 | Tsurunuma 52 kmJapan | 52km | 6:07:26 h | 8.491 | 69/135 |
| 2014-05-04 | 70km | 10:43:43 h | 6.525 | 260/440 | |
| 2015-05-04 | 70km | 10:05:57 h | 6.931 | 174/425 | |
| 2015-06-22 | 77km | 10:53:20 h | 7.071 | 1183/1376 | |
| 2016-03-05 | 113km | 17:05:25 h | 6.612 | 44/103 | |
| 2016-06-05 | 78km | 10:25:24 h | 7.483 | 1021/1422 | |
| 2017-05-03 | 140km | 23:46:43 h | 5.888 | 307/327 | |
| 2018-03-03 | Little Edo 91kmJapan | 91km | 12:18:55 h | 7.389 | 27/54 |
| 2018-05-20 | 71km | 9:49:08 h | 7.231 | 123/184 | |
| 2018-06-03 | 78km | 10:40:28 h | 7.307 | 919/1396 | |
| 2018-10-14 | 50km | 8:10:51 h | 6.112 | 260/408 | |
| 2019-06-02 | 78km | 10:15:02 h | 7.609 | 957/1510 | |
| 2019-06-30 | 100km | 12:44:45 h | 7.846 | 1999/2405 | |
| 2020-01-12 | 50km | 6:07:11 h | 8.170 | 10/50 | |
| 2024-01-14 | 50km | 5:53:37 h | 8.484 | 10/62 | |
| 2024-05-19 | 68km | 9:27:11 h | 7.193 | 145/266 | |
| 2025-05-18 | 68km | 9:35:18 h | 7.092 | 185/229 | |
| 2025-06-29 | 50km | 6:53:52 h | 7.249 | 186/377 | |
| 2026-02-01 | Amami yori yori RunJapan | 50km | 6:49:53 h | 7.319 | 24/73 |