If you’re tight on time and without a bike, then you can still get a lot of bang for your buck within 30 minutes from this bodyweight workout - which includes a varied mix of cardio and targeted strength exercises.
Obviously, you can’t replicate the same training session as you would do on a bike, but you can do a workout which complements the training that you’re doing on the bike. The following workout would also be a great addition to your training programme on an easier training day.
