, , , , , , , , , , , , , , , galopp-sieger.de – Lancashire Oaks. horseracingintfed.com – International Federation of Horseracing Authorities – Lancashire Oaks (2018). pedigreequery.com – Lancashire Oaks – Haydock Park. Flat races in Great Britain Haydock Park Racecourse Long-distance horse races for fillies and mares Recurring sporting events established in 1939 1939 establishments in England