This ride will test your cycling ability to the utmost: cycle 440 miles from London to Edinburgh. And you've got just 48 hours to do it!
That's the challenge of the Rat Race Road Trip, which takes place on Saturday 9 and Sunday 10 August. If you're entering the expert class, you'll be leaving central London at 4am on the Saturday and aiming to reach the Scottish capital by 11.59pm the next day.
There's also a four-day challenger event, in which you can complete the 440 miles with three overnight camping stops.
Either way, you'll be taking in miles of breathtaking scenery as you cycle up the heart of the country from Wembley Stadium all way to Murrayfield, making use of the various pit stops on the way. Entrants can do the event solo or in pairs.
Sound appealing? There's still time to get involved, andBikeRadar has teamed up with Rat Race to offer entrants 15 percent off the entry price for entry to both the expert class and the four-day challenger class.
Just visit the event website and enter the voucher code BRRT15 to secure your discount.
And should you take up the challenge then you'll definitely need to make sure you get your preparation and training spot on – so have a read of our sportive training tips.
