Next month sees the fourth staging of the adidas Thunder Run, running's answer to the summer music festivals. The 24hr relay race in Derbyshire joined the ultra-running calendar in 2009 and attracts a hardy band of enthusiasts who camp throughout the weekend.
The simple objective for each team is to cover as much ground as possible in a full day. The event takes place over a 10k countryside course in Catton Park near Walton-on-Trent on 27-28 July.
People are allowed to enter as individuals, but the majority will be in teams. Each team must have one member on course at all times.
Camping facilities are available the night before the event, so teams are raring to go before the claxon sounds at 12noon on Saturday 27 July. For further information and entry details, visit the event website.