Brad Kearns tackles more interesting Q&A from Primal Endurance podcast listeners and book readers. Submit your questions at primalblueprint.com/endurance and they will get covered on the air. Some recurring themes are coming through with many questioners. In particular, the questioning how "180-age" aerobic maximum heart rate limit applies to real-life goals and the desire to open up the throttle now and then and get race ready. While the questions relate to the specific needs of the individual, the answers are presented in a manner that applies to a broad audience. Listen and enjoy learning about the challenges and successes of your endurance peers, and come away with plenty of practical tips to help improve your training and competitive results.