Olympic gold medalist Steve Cram is launching the fourth Kielder Marathon in the region today.
The sports star will be joined by Olympic decathalon gold medal holder Daley Thompson.
The weekend of events set to take place at Kielder Water will be held in October and will also include a 10 kilometre run, bike races and junior races.
More top news
Emma Jesson brings you Saturday night's forecast
Feeling much colder later on Saturday. Wintry showers possible on Sunday and Monday
The pressure group Ashley Out has called for demonstrations outside every Sports Direct store within a 20-mile radius of St James' Park.