Princes Harry & William Pony Up

Princes Harry and William

Rupert Hartley/Rex USA

updated 08/06/2012 AT 2:00 PM ET

originally published 08/06/2012 AT 3:30 PM ET

It’s hard to keep an athlete away from the field for too long.

After several days of cheering on Olympians – including fellow equestrian and cousin Zara Phillips – Princes and saddled up Sunday for a game of polo.

The brothers squared off in the Jerudong Trophy Polo Match, held at the Cirencester Polo Club just outside London, to benefit a trio of charities close to both their hearts.

But by day’s end, the two were back to playing spectator, joining to cheer on Jamaica’s Usain Bolt to another gold medal finish in the 100-meter dash.

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