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Billed as "London's original and best urbosportive", The Cobble Monster isn't your typical sportive. But we're including it because 1) it has cobbles, 2) it takes place on the same day as Paris-Roubaix, and 3) it sounds a right barrel of chuckles.
WIth a route vaguely described as between 38 and 40 miles in length (depending on road access on the day), the ride sets out from Brixton Cycles Shop and then you'll... well, over to the organisers:
"...descend into the melee of the west end, blatting across some early secteurs of the Smoke's Victorian pave before tucking into the east end and its myriad lanes of snaking cobbled nadgery.
"We then cross the river start a series of LBCs (Lung Bursting Climbs) which increase in frequency toward the finish at Brixton Jamm and the finish.
"The route is designed for riders of all abilities on all manner of bikes and encompasses a number of London Overground enabled bail out points for those that suffer with mechanical or physiological events. For some this will be the biggest bike ride they've ever taken on, for others it may seem like a gentle spin. We guarantee all riders will know they have ridden their bikes."
Sounds good right? Best of all, you can catch the finish of Paris-Roubaix on a big screen in Brixton Jamm at the finish, along with a chance to score some cycling prizes in a raffle.
Entry is free, but optional £15 donations to the Evelina London Children's Hospital are welcome.