Shuttle hurdle relay (SHR) is a type of a relay race in track and field in which participants jump (sprint) over hurdles. The shuttle hurdle relay is contested at the Drake Relays, Desert Conference Relays,[1] Kansas Relays, Mt. SAC Relays, Penn Relays, Texas Relays, Akron Relays, Alabama Relay, Appalachian Conference Relay, Florida Relays (Gainesville), Knoxville Relay, Long Beach Relay, Ohio Relays,[2] Santa Barbara Relay, So Cal Relays (at College of the Desert),[3] Tennessee Relays (formerly: Dogwood Relays, Sea Ray Relays), Towson Relays, and Tri-State Relays. The SHR was also included at the 2019 IAAF World Relays and 2021 competition.[4]