Shop › Half Marathon Sub 2 Hour 30 Training Plan Image 1 of 1 Half Marathon Sub 2 Hour 30 Training Plan £6.00 Train toward a half marathon under 2 hours 30 minutes with a 16-week plan built around a 7:06/km goal pace. Add To Cart Added! Train toward a half marathon under 2 hours 30 minutes with a 16-week plan built around a 7:06/km goal pace.