The event will see top-class professional cycle racing return to the park for the first time in 60 years.
The day has been organised by Pedalare, which promotes cycling as a healthy leisure pursuit in Wirral, supported by Birkenhead North End Cycling Club, Cycling UK and British Cycling.
A series of junior and youth races will get underway at 9.30am with the main professional event, the Grand Prix, starting at 1.15pm.
Once the official races have finished around 4pm, the 2.5 mile traffic-free route will be open to the public for leisure cycling.
The Grand Prix will include top-class riders from elite teams from across the UK including OnePro, Crimson Performance, KTM Racing, Spirit Tifosi and Ribble Pro Cycling.
An on-site festival will include a variety of stands including British Cycling, Cycling UK, Bikeline, Bike Factory, Cycling Projects, Merseyrail Bike n Go, Visit Wirral, Tranmere Rovers, The Hive and three food and drink concessions provided by Willow Catering.
Race headquarters will be Birkenhead Park Rugby Club and the races will start and finish in the Upper Park. There is a total prize fund of over £2,500.
Andy Mills, a Director of Pedalare, said: “We are hugely excited about how everything has come together for this Sunday’s Grand Prix.
“It was always our intention to ensure that the day is a celebration of cycling both competitive and recreational.”
For more details, visit www.pedalare.co.uk