1)Three strikes for this bird (6)
2)Blackadder actor in the boat race (4,6)
3)F1's most successful British policeman (5,7)
4)Sport with houses and stones (7)
5)Stately venue for horse trials (8)
6)Sheffield venue for snooker (3,8)
7)This dame runs middle distance (5,6)
8)This starts a hockey game (8)