After you’ve run your first marathon, you may want to improve your time for your next marathon. If you’re hoping to run faster over 26.2 miles, try some of these tips from Anna, Kate and Rick that will help you through your training to grab that PB.
STUDY SOURCE: https://www.jhse.ua.es/article/view/2011-v6-n3-prediction-of-marathon-performance-time-on-the-basis-of-training-indices↓↓