Ampthill Trophy Junior Races 2021 Only 8 days to go! Online entries have now closed. We are either full or the closing date has been reached Junior Races for Ages 9-16 years. Age determined on 1 September U11/13 - 1 Lap (approx 2K) - U15/17 - 2 Laps (approx 4K) Entry Options Advance Entry £7