Arena TREC focuses on the MA (Control of Paces) and PTV (Obstacle course) phases of TREC. The PTV is 10 obstacles and there are a variety of classes to suit all horses and riders, both ridden and in hand. Beginners are welcome. There are affiliated and unaffilated classes. Affiliated classes count towards the TREC GB League and all classes count towards the Trec Lincolnshire Members Winter League.