For week 2 of Chicago Marathon training, instead of a 60 minute run with me video (watch the whole thing on youtube!) I'm doing a speed play session. 5 x 5 minutes at threshold pace. BUT ALSO, OOTD with @itsscottherder RunningTips ThresholdPace RunningWorkout FitnessJourney VO2Max RunnersLife EnduranceTraining MarathonTraining RunningMotivation Exercise