John Gill Commentary Amos 2:15

"neither shall he stand that handleth the bow; and he that is swift of foot shall not deliver [himself]; neither shall he that rideth the horse deliver himself;" — Amos 2:15 (ASV)

Neither shall he stand that handles the bow That is, at some distance, and can make use of his instruments of war afar off; yet will not think it safe to stand his ground, but will betake himself to his heels as fast as he can to save himself: and [he that is] swift of foot shall not deliver [himself]; this is repeated, lest any should place confidence in their agility, and to show how complete and inevitable the affliction will be: neither shall he that rideth the horse deliver himself; by fleeing on horseback, no more than he that is on foot; no ways that can be devised or thought on would preserve from this general calamity; see (Psalms 33:17).