FARTLEK
Swedish for speed play, Fartlek is a no-brainer speed session that can break up any longer run, or be your dedicated speed session for the week. Run fast and slow between two set points – like lamp posts or trees – or run to time, such as 10 x 1 minute. It’s speed play, so mix it up. Try a pyramid fartlek session: run hard for 1 minute, 2 minutes, 3 minutes, then take it down: 3, 2, 1. This is a great session to do off-road as it’s freer than running on the track or to absolute distances.