Lucho joins to answer your questions on a super high heart rate during running races including 5k and 10-milers, just getting back to training so how to tackle a half-mary this weekend when the A-race is in May, short on time, do double runs work as substitute for a single long run, doing and Ironman and Ultra this year – concentrate on both at the same time or separate focus, causes for dizziness/fainting post long run even after refueling, training for a 50-miler so is it better to do the longer run on Saturday or the longer run on Sunday, longest training run for a 100k, breathing while running, and more.
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