Pro IRONMAN triathlete Sarah Crowley has taken the time to talk us through her favourite indoor training session and it's one that'll definitely leave you feeling "cooked".
Sarah, who has twice finished on the podium at the IRONMAN World Championships in Kona, has shared the session with us so we can add it to your training plans in the coming weeks.
Let us know how you get on with the session!
Click here for a printable version of Sarah's indoor bike session.
And don't forget to check out other sessions from top athletes using Precision Fuel & Hydration at our YouTube channel.