noun - A marathon relay is a relay of at least 10 km in distance, generally requiring 2-6 swimmers to swim one-hour legs each in the same order from start to finish according to the rules and regulations of the local governing body. It is generally considered to be a marathon swimming distance of at least 10 km.
Types of Open Water Relays
- Traditional: an open water swimming relay where the swimmers each swim in order at specific distance or duration of time
- Carbon-neutral Relay: an open water swimming relay that has a net zero carbon footprint
- Eco Relay: an open water swimming relay that aims to (1) protect, conserve or call attention to the environment or ecology
- Freestyle Relay: an open water swimming relay where each swimmer can swim any distance or for any amount of time
- Team pursuit: a mixed-gender team time trial with 3 or more swimmers who swim together
- Channel relay: a relay across a channel, generally when 2-6 swimmers swim one-hour legs each in the same order from start to finish