The father of missing girl Madeleine McCann is raising money this weekend for a charity which supports family and friends of missing people.
Gerry McCann, whose daughter Madeleine has been missing for more than six years, is running the Virgin Active London Olympic Distance Triathlon.
The triathlon will see him complete a 1.5k swim, 40km cycle and finish with a 10km run.
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Some showers, although many places will stay dry.
Mainly dry tonight. Showery rain spreading in tomorrow.
Team GB swimmer Adam Peaty, from Uttoxeter in Staffordshire, has broken the world record for the 50m breast stroke.