Over 1800 cyclists will ride into Mandurah this weekend for one the nation's biggest charity bike rides.
Raising money for vital cancer research in Western Australia, the annual MACA Cancer 200 Ride for the Perkins is a two-day, 200km journey beginning at Optus Stadium on Saturday morning.
Cyclists will ride to Mandurah where they will stay the night in tents at Hall Park or in local hotels before they set off on Sunday back to Optus Stadium.
All funds raised will go to the Harry Perkins Institute of Medical Research, with more than $7.5 million already donated.

Cyclists leaving Mandurah to head back to Optus Stadium in a previous MACA Cancer 200. PIC: MACA Cancer 200/Facebook
CEO of the Harry Perkins Institute Professor Peter Leedman AO said the annual event is more than just a bike ride.
“The MACA Cancer 200 sees riders display an extraordinary show of giving and determination with funds being put to work powering the next cancer breakthrough here in WA.
“Every discovery begins with a bold idea – but research needs resources, technology and time – and the funds support WA scientists in the pursuit of tomorrow’s lifesaving treatments.
“Each year, corporate WA unites with the big-hearted WA community to ride with one purpose – to make cancer non-lethal and keep our families together for longer.
“Together we can beat cancer."
Motorists are being urged to drive with caution and look out for cyclists over the weekend.

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