The two riders slid to the ground.
A few of the mounts shifted their feet; here and there a rider slid his sword back and forth in its scabbard.
The rider approached and slid from the saddle.
The course is full of obstacles including boxes, rails, jumps, jibs (includes anything the board or rider can slide across).
His mount shied and the rider slid sideways in the saddle.
Its rider slid awkwardly off its back and when he hit the ground, exploded in a gust of wrath.
Its rider slid backward out of the saddle as his horse bolted.
Peek-A-Bug - riders spin and slide from side to side on the back of a smiling bug.
A rider came down the street and slid from his horse.
The rider slid from his saddle, groping for the horn and missing it.