Complex sentence: In a race which carried world record prize money of $317,390 he finished second beaten a length by Hurry to Market, and an objection by Rotz against the winner for causing appearance was unsuccessful.
Split into simpler sentences: In a race which carried world record prize money of $317,390, he finished second, beaten a length by Hurry to Market. An objection by Rotz against the winner for causing interference was unsuccessful.