Tattersalls tickets for Queen Mother Champion Chase day at Cheltenham on Wednesday, March 15th have sold out with less than 2500 Club badges and 1500 Courage best tickets still available.
All three days of the National Hunt Festival are all-ticket with a capacity of 50,000 on each of three days.
Tote Gold Cup day (March 16th) is already a sell-out and tickets for Smurfit Champion Hurdle day (March 14th) are selling strongly.
Cheltenham managing director Edward Gillespie said: "Racegoers not having booked tickets or badges are advised to move quickly to avoid disappointment."
