Your XTERRA Short Course Off-Road Triathlon Plan Do you fancy taking your triathlons off-road? Are you training for your first XTERRA or Cross Triathlon short course race? (750m swim, 10-20km MTB & 5km trail run). This plan will take your from on road to off road in 8 weeks. The training will be a combination of indoor cycling & mountain biking, pool swimming & open water swimming plus trail running. - To start this training plan it is recommended that you have trained 2-4 hours per week ...