Advanced Heart Rate Target Zones
Gender
Age
VO2 Max
*VO2 max is synonymous with maximal aerobic capacity, maximal oxygen uptake, or maximal oxygen consumption.
Subscribe to Endurance Mastery Today!
Unlock exclusive daily insights from Matt Fitzgerald and MarathonGuide Team - training tips, live lessons, science updates, and stories from endurance experts to elevate your performance.
Related Articles
Flat, Fast, and Frightfully Good: A Review of the Haunted Forest MarathonHalloween and marathons share at least one thing in common: both require you to push through discomfort in pursuit of something you can’t quite explain to...Jun 1, 2026
Why Casper’s Marathon Deserves a Spot on Your Race Bucket ListYou know a race has character when it starts with a cannon shot. At 6:00 a.m. on the first Sunday in June, the Casper Marathon announces itself with a thunderclap...May 25, 2026
Run for Gold at the Big Sky State GamesRoad Race in Billings, MontanaRunners looking for a fast course, scenic Montana views, and the chance to stand on the podium will find it all at the 41st Annual Big Sky State Games Road Race,...May 18, 2026
Subscribe to Our Newsletter
All rights reserved. Copyright © 2026 Marathon Guide