As a general ‘rule’, marathon runners should aim to include two strength training sessions per week in their programme, with each session separated by at least 48 hours.

Welcome to your Runner’s World sub-3:00 marathon plan, built by RW coaches Tom Craggs, Robbie Britton and Georgia Wood. For many people, the marathon is a bucket-list event and can be the ...

Use your previous training volume and listen to your body to determine whether the bonus sessions are for you. Remember though, more is not always more. The three key sessions are your priority and, ...

If you miss a session here or there, it's not going to affect you on the day of the race, so save the sweat for the actual days you're training. Also, try to run off-road on trails where possible.

Working out twice a day can be safe if done correctly, but it requires careful planning to avoid burnout and injury.

How to Avoid Burnout from Twice a Day Workouts . There is, however, one caveat: If you’re not used to training hard and you go right into two-a-day workouts, you might be more sluggish than usual.

Plan your session layout. If your programme has a 1km run straight into a sled push, but the treadmill and sled track are on opposite ends of the gym, it won’t flow. Adapt your workout accordingly.