Perfect for practice on any surface, the Portable Throwing Circle is a versatile training tool for shot put, discus, or hammer. Designed for portability to create a temporary throwing circle quickly. The circle consists of lightweight 3/4" thick foam segments that easily lock together with a secure interlocking system. Set up takes only minutes, with no tools required, making it ideal for coaches and athletes who want to maximize training time. Key Features Quick & Easy SetupLightweight 3/4" foam segments lock together in minutes: no tools required. Versatile for Any EnvironmentUse on turf, gym floors, concrete, or grass. Take your throws anywhere. Durable ConstructionMade from dense, impact-resistant foam pads designed to withstand daily training and outdoor elements. Accurate DimensionsEngineered to within ±0.5" of standard diameter, allowing for consistent technique work. 🏅 Coach Cappos Recommends "Not every team has access to a throwing ring every day. This gives you a legitimate practice ring anywhere — a parking lot, gym, backyard, anywhere you can throw safely." Coach Scott CapposBig Ten Coach for 25 YearsUniversity of IowaUniversity of Nebraska What customers are saying "Great product. Light and portable sets up in a couple minutes tops (quicker if you have a few athletes doing it at the same time). Much easier than lugging an indoor ring out if you have limited time." — V.R., verified ThrowsPro customer (one of 300+ five-star reviews) Note: adding weights to the edges keeps the circle securely in place during throws.