Learn the aerobic fitness level required for running doubles, why training frequency triggers mitochondrial adaptation, and how to structure doubles safely without overtraining.
Most runners measure marathon readiness by how many workouts they completed. But the real question is whether the training was calibrated to the right fitness level from the start. Coach Jeff shares the 2-signal framework he uses to tell athletes whether they’re on track.
Alex Ostberg, assistant coach at Bowerman Track Club, distills elite training into 4 core variables and explains why absorption, sleep, and consistency matter more than perfectionism. Discover the coaching principles that separate elite runners from the middle of the pack.
Wondering if you should run the day before your marathon? Learn what research shows about shakeout runs, the right duration, and when to rest instead.
Training 6-7 days per week isn’t automatically better than 3-4 days. Your body adapts during recovery, not during the run. Learn the research-backed optimal frequency for your goals and fitness level.
Average 5K pace by age group, treadmill conversions, and why 80% of training runs should feel too slow. Complete guide for beginners.
Research-backed guidance on running frequency and training structure. Learn how daily running vs. every-other-day running affects aerobic fitness, injury risk, and recovery, plus practical weekly schedules for base building and speed work.
Stop heavy lifting 10–14 days before your marathon. Learn how to taper volume while maintaining strength, plus a research-backed week-by-week timeline.
Master marathon pacing strategy. Learn negative splits, when to pass runners, and how to pace the final miles so you finish strong.
After 40, runners slow down. That’s not debatable. But the actual rate of decline is much smaller than most runners fear, and the physiological factors
