4d On olypmic programmes, it's run up for athletes, on gardening shows, its a sort of iris (4) - L - G
22a Scene of showjumping on TV (7) O - Y - P - A
24a precious stones belonging to Miss reid ? (grandma in adrian mole series) (6) - E - Y - S
20d maximum ---, series with an eccentric judge played by Beau bridges 198 (4) B - B