USMS National Records
Lifetime Relay Records for Greg Mackem
Age GroupEventTeamSwimmersDateTime
X18+400 Freestyle Relay (SCY)UNIV OF SAN FRANCISCO MASTERS Greg Mackem, Jennifer A Sadler, Brenda J Wicklund, Gary Y Yang 04-26-923:25.26
M18+400 Medley Relay (SCY)UNIV OF SAN FRANCISCO MASTERS Gary Y Yang, John Harlow, Mark S Fiorito, Greg Mackem 04-26-923:34.08
X72-99200 Medley Relay (LCM)UNIV SAN FRANCISCO MASTERS Gary Y Yang, Janet Hauer, Greg Mackem, Cynthia Werts 08-23-922:02.31
M72-99200 Medley Relay (LCM)UNIV OF SAN FRANCISCO MASTERS Andrew L Geller, John Harlow, Greg Mackem, Gary Y Yang 08-18-921:52.24

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