Boys and girls remain juveniles until the day of their 16th birthday.
| Boys Event | Name | Time | Year |
| 3.5 Miles | M Howard | 9:07 | 2003 |
| 10 Miles | J Churchill | 22:07 | 2016 |
| 15 Miles | J Churchill | 36:56 | 2016 |
| 25 Miles | J Churchill | 59:17 | 2016 |
| 50 Miles | J Churchill | 2:13:12 | 2016 |
| Hill Climb Steyning Bostal | Z Corum-Haines | 4:44 | 2012 |
| Girls Event | Name | Time | Year |
| 10 Miles | Amy Smith | 24:55 | 2014 |
| Sat Feb 16 @09:00 - 12:00PM Youth Mountain Biking - AOAC |
| Sat Feb 16 @10:00 - 12:00PM Adult Mountain Biking Adur Rec |
| Sun Feb 17 @09:00 - Sunday Road Rides |
| Sat Feb 23 @09:00 - 12:00PM Youth Mountain Biking - AOAC |
| Sun Feb 24 @09:00 - Sunday Road Rides |
| Sat Mar 02 @09:00 - 12:00PM Mountain Biking - Stanmer Park |
| Sat Mar 02 @10:00 - 12:00PM Adult Mountain Biking Stanmer Park |
| Sun Mar 03 @09:00 - Sunday Road Rides |
| Sat Mar 09 @09:00 - 12:00PM Youth Mountain Biking - AOAC |
| Sun Mar 10 @09:00 - Sunday Road Rides |
| Sat Mar 16 @09:00 - 12:00PM Youth Mountain Biking - AOAC |
| Sat Mar 16 @10:00 - 12:00PM Adult Mountain Biking Adur Rec |
| Sun Mar 17 @09:00 - Sunday Road Rides |