The idea of speed play began with the Swedish athletes in the 1930s and 1940s. On crisp, bouncy trails, covered with wood chips, the Swedish athletes, under the eye of Gosta Holmer, built their endurance and speed as they liked, getting fitter and fitter.
Swedish miler Gunder Haag pushes pace with Arne Andersen in tow, photo by Racingpast.ca.
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Thursday: Fartlek, 45 minutes, 4 times 5 minutes at 5k pace, 5 minutes easy, cooldown
2020 RunBlogRun Spring Track & Field Training program, Week Two, Day 4
Monday: 40 minutes easy
Tuesday: Hilly run, 45 minutes, include six uphill runs of 2 minutes each, cooldown
Wednesday: 50 minute run, moderate pace,
Thursday: Fartlek, 45 minutes, 4 times 5 minutes at 5k pace, 5 minutes easy, cooldown
Friday: easy 40 minutes
Saturday: 1 mile all comers race, warm up, cooldown
Sunday: 50 minute run with friends