YOKOYAMA
- NickName
- YOKOYAMA
- FullName
- Hiroyuki Yokoyama
- SailNumber
- Age Division
- Grand Master (45 - 59)
- Gender
- Male
- Description
Personal Bests for YOKOYAMA
| 2 Second Peak | 5 x 10 Second Average | 1 Hour | Alpha Racing 500m | Nautical Mile | Distance Travelled |
| 29.72 (28 Apr 2015) | 26.94 (04 Jun 2013) | 14.25 (15 Jul 2014) | 21.16 (30 Jul 2013) | 21.652 (12 Apr 2011) | 108.045 (11 Nov 2009) |
| 29.38 (23 Apr 2014) | 26.86 (28 Apr 2015) | 13.948 (12 Apr 2011) | 20.04 (02 May 2014) | 21.08 (14 Aug 2013) | 90 (02 Jul 2013) |
| 28.49 (09 Jul 2013) | 26.49 (08 Apr 2014) | 13.89 (28 Apr 2015) | 19.6 (02 Jul 2013) | 21.07 (23 Jun 2013) | 89 (09 Jul 2013) |
| 28.4 (16 Aug 2013) | 26.44 (02 Jul 2013) | 13.132 (25 Oct 2011) | 19.39 (15 Jul 2014) | 20.76 (15 Jul 2014) | 87.162 (25 Oct 2011) |
| 28.28 (02 Jul 2013) | 26.43 (16 Aug 2013) | 12.99 (02 Jul 2013) | 19.38 (17 Jun 2014) | 20.38 (17 Jun 2014) | 84.489 (16 Feb 2010) |