One More Effort is a thoroughbred horse born in Australia in 2018. Race horse One More Effort is by Reward For Effort (AUS) out of Mermaid's Flannel (AUS) , trained by Luke Clarke. One More Effort form is available here. Owned by S J Green, Mrs K Green, A C Hain, Mrs L Hain, S Hain, L Clarke, K Clarke, C R J Thomas-Schumacher, Mrs A L Thomas-Schumacher, A Marceddo, Mrs D Marceddo, S Jones, H D Buchanan & H J Hunter.