The card for the day features seven jumps races and children's events, including a Mad Hatter's tea party and Easter egg hunt.
Admission is free for all accompanied under-18s.
The first race is at 1.50pm, with the last one at 5.20pm.
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77-year-old Derrick Cooper was sentenced at Carlisle Crown Court today for abusing two boys at Underley Hall in Kirkby Lonsdale.
Hundreds of runners will gather at Windermere tonight to run 3.7miles in memory of Matt Campbell.
Arriva Rail North, Greater Anglia and South Western Railway are all affected.