Last week we introduced a famous fartlek workout invented by Aussie distance running legend Steve Moneghetti. This week we introduce a couple of tweaks to the Mona Fartlek that make both more endurance focused and more speed orientated. WHAT? The Modified Mona Fartlek 3x 90 seconds 4x 60 seconds 3x 30 seconds 2x 15 seconds[…]