A 23-year-old Tauranga man was flown to hospital suffering internal and shoulder injuries after crashing a motocross bike at an event in Pongakawa.

Tauranga based Trustpower TECT Rescue helicopter flew the man in moderate condition to Tauranga Hospital after crashing at speed at a motocross event, said pilot Liam Brettkelly.

The rescue helicopter was used because of the nature of the man's injuries and distance to hospital.