in 1974 quarrie repeated his 1970 performance by grabbing the 100 and 200 m titles at the commonwealth games in christchurch, becoming the first athlete to retain the title in either event. the next season, he again tied the 200 m world record, 19.8. he also tied the 100 m record with a hand-timed mark (9.9) in 1976 at the california relays at modesto junior college, one of only a few athletes to have held these records simultaneously. this time was actually 10.07 seconds.