This Friday Fartlek Run features **5×2-minute VO₂ max intervals** designed to sharpen 5km speed and build aerobic power. Ideal for parkrunners wanting a simple, effective tune-up session, this workout helps improve running efficiency, lift top-end fitness, and boost confidence heading into your next hard parkrun effort.
View More Friday Fartlek Run: 5x 2min VO2 Max Runs