The 2009 Merida Bikes MTB Marathon Series kicks off this weekend in Builth Wells, Mid-Wales.
The first event is the Exposure Lights Big Night Out on Saturday, followed by the Merida Bikes MTB Spring Marathon on Sunday.
Registration opens at noon on Saturday, with the night marathon starting at 7.30pm. The Spring Marathon starts at 10.30am.
The event, including the trade village, registration and camping, will be based at the Royal Welsh Showground, which will be signposted from Friday afternoon onwards. The venue will be open until Monday morning.
Online entry is available until Friday lunchtime. You can also enter on the day, although there is a £5 surcharge. There is £15 discount if you enter both events.