Athletics News 2023 Spring Training Week 13, Day 7: Sunday’s Ultimate Long Run for Middle Distance Runners (800m to 5,000m)By Victoria JonesAugust 22, 2025In Week 13, Day 7 of 2023 Spring Training, middle-distance runners focus on the long run. Covering 800m to 5,000m events, Sunday’s key session builds endurance ahead of the competitive season.