With his hopes of riding in Melbourne dashed, Glen Boss is refocusing his attention on the Sydney spring carnival.

Nature Strip has taken the first formal step in his Everest campaign with a Rosehill barrier trial win.

With the spring carnival on the doorstep, Randwick will host a star-studded barrier trial session on Tuesday.

Training partners Gerald Ryan and Sterling Alexiou will saddle up three runners on day two of The Championships.