Notes
4 x 1 mile on the TM
513 (was a little short, est. 517-518)
208 rest
518 (I think a little long.. maybe 515 in reality)
204 rest
511
202 rest
516 (likely a little faster as TM went into cool down mode near the end)
Felt pretty relaxed the entire time. Not 100% sure the accuracy of the TM.