Mobile Challenge of Champions 2019

High School Boys' 4x400m Relay Open, Finals 1 Apr 5, 2019

High School Girls' 4x400m Relay Open, Finals 1 Apr 5, 2019

High School Girls' 4x400m Relay Open, Finals 2 Apr 5, 2019

High School Girls' 4x400m Relay Open, Finals 3 Apr 5, 2019

High School Boys' 4x400m Relay Open, Finals 2 Apr 5, 2019

High School Boys' 4x400m Relay Open, Finals 3 Apr 5, 2019

High School Boys' 4x400m Relay Open, Finals 4 Apr 5, 2019

High School Boys' 4x400m Relay Open, Finals 5 Apr 5, 2019

High School Girls' 4x400m Relay Invitational, Finals 1 Apr 6, 2019

High School Boys' 4x400m Relay Invitational, Finals 1 Apr 6, 2019