This Friday Fartlek Run features 8×4-minute tempo intervals at Level III — a controlled, sub-threshold effort that builds aerobic strength and pacing discipline. Ideal for runners and triathletes preparing for half marathons, marathons, and longer events, this session delivers quality endurance work without excessive fatigue, making it perfect for both early build phases and taper periods.
View More Friday Fartlek Run: 8x 4min Tempo Runs
This Friday Fartlek Run features 4×7-minute tempo efforts at an intensity just below threshold — controlled, sustainable, and highly effective for building aerobic strength. Ideal for runners and triathletes preparing for half marathons, marathons, and longer events, especially during early build phases or taper periods.
View More Friday Fartlek Run: 4x 7min Tempo Runs
This Friday Fartlek Run features 5×5-minute tempo efforts at an intensity just below threshold — strong, controlled, and sustainable. Ideal for runners and triathletes building towards half marathons, marathons, or longer events, this session develops aerobic strength without overreaching and fits perfectly into early build phases or taper periods.
View More Friday Fartlek Run: 5x 5min Tempo Runs