Basket ball begins with a tip off.
Orienteering is the answer you are looking for
Yachting is a sport. It begins with the letter y. The America's Cup is a famous yachting race.
Off-road racing is a sport that begins with the letter o. There are a number of off-road races including The Baja 1000.
Rodeo riding is a sport. It begins with R and ends with G.