Results for Keiko Yokoyama
| racekey | agegrp | M/F | age | distance | timex | oa | gd | ag | split | AgeGD | Go |
| 2014-03-30-CRC-5K | F50-54 | F | 50 | 5K | 25:16.77 | 21 | 6 | 2 | 14 | 66.930 | 5K |
| 2013-04-28-CRC-5K | F45-49 | F | 49 | 5K | 26:38.34 | 24 | 6 | 1 | 15 | 62.730 | 5K |
| 2013-03-31-CRC-5K | F45-49 | F | 49 | 5K | 27:12.10 | 25 | 8 | 1 | | 61.440 | 5K |
| 2011-11-27-CRC-5K | F45-49 | F | 48 | 5K | 25:15.87 | 14 | 5 | 1 | 38 | 65.340 | 5K |
| 2011-05-29-CRC-5K | F45-49 | F | 47 | 5K | 25:56.45 | 20 | 2 | -1 | 54 | 62.900 | 5K |
| 2011-04-24-CRC-5K | F45-49 | F | 47 | 5K | 25:53.92 | 18 | 4 | 1 | 34 | 63.000 | 5K |
| 2010-10-31-CRC-5K | F45-49 | F | 47 | 5K | 31:12.21 | 29 | 7 | 2 | 0 | 52.290 | 5K |
| 2010-06-27-CRC-5K | F45-49 | F | 46 | 5K | 33:25.70 | 29 | 8 | 3 | -29 | 48.280 | 5K |
| 2010-04-25-CRC-5K | F45-49 | F | 46 | 5K | 28:36.09 | 27 | 10 | 2 | | 56.420 | 5K |