2024 RunBlogRun Spring Training Program, April 25, 2024, Week 7, Day 4, You have the need for Speed!

This is Thursday, April 25, 2024. This is Week 7, Day 4. This is Fartlek Day. Gosta Holmer, a Swedish Olympian who competed against Jim Thorpe, invented this interval program for running on trails and in parks. Mr. Holmer developed it for the Swedish cross-country team in the 1930s, which did poorly in European competitions, […]