Josh Marx rushed for 276 yards and three touchdowns for Olympia.
Irondequoit quarterback Briele Caples was 39-for-55 for 463 yards with five touchdown passes. He also ran for a score.
Olympia led by 13 late in the fourth quarter, but Irondequoit (2-4) scored and recovered an onside kick with 3:50 to go. Caples followed with a 3-yard TD run. The game featured 920 yards of total offense.