Assume the relay team is made up of 800 / 1600 guys who are decent at handoffs. Was bored trying to think of some interesting, "fair" matchups that no one really does so why not.
Bonus Scenario : Average high school 4 x 100 relay team vs Rudisha at 400m.
Bonus Scenario 2: Average high school 4 x 200 relay team vs Rudisha at 800m.