13d find a scorer from the 1966 world cup in a wooded area
h?r?t
20d heel over in the main, or in a jousting tournament
t??t
22a old kenyan runner got round in a short time
?o?t
25a overhear a private conversation, so pay attention in the end 6,2
?isnen ?n - looks like it should be listen in, but that would make 'serpentine' wrong for 4d (The first 'n' is the last 'n' in serpentine...see below.
4d a winding track in hyde park
ser?ent??e
29a in quite calm, although cut short by a top tennis star
?e??n?
30a and some sporting arenas lacked energy for another
??n??