The couple with the highest total score were the winners and advanced into the next round of competition.
Although she was ranked below four qualifying places, George advanced into the next round of the competition, based on her performance in the heats.
Muir advanced into the next round of the competition, as she secured the final mandatory qualifying slot in the second heat.
Davis, however, failed to advance into the next round for all of her participating events.
He finished and completed the race in eleventh place, with a time of 8:37.99, failing to advance into the final round.
Successful clearance of the height allows the athlete to advance into the next round at a greater height.
The Associated Press contacted all 32 schools who advanced into the second round.
In other early matches today, two seeded women advanced into the fourth round.
Home favourite Alicia Molik also advanced into the second round.
Painter then hit double 8 with his third dart to finally take victory and become the first seed to advance into the second round.