Lucho and Tawnee for Ask the Ultrarunner with answers to your questions on: . -Stick to just MAF for ~28 weeks until a 100-mile Ultra run? Or add intensity/anaerobic work? -Having trouble keeping HR in MAF/higher near end of long runs (20+ miles) – why? -Muscular imbalances in hip external rotators highlighted by single-leg squats Read More

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