The competition is completed in teams of four, two men and two women, with each member doing a super-sprint distance triathlon.
[1] The event was initiated with the aim of getting more triathletes as well as the team triathlon discipline on the Olympic programme.
[4] In July 2013, the IOC executive board ruled that they would not add any new disciplines to the 2016 games for fear of putting additional financial pressure on Brazil.
The event doubled as the first qualifier for the 2024 Summer Olympics, and also included the first age-group mixed relay world championships.
[7] Magali Messmer Lukas Salvisberg Daniela Ryf Ruedi Wild Emma Moffatt Courtney Atkinson Emma Snowsill Brad Kahlefeldt Lauren Campbell Brent McMahon Kathy Tremblay Simon Whitfield Nicola Spirig Sven Riederer Daniela Ryf Ruedi Wild Jessica Harrison Frédéric Belaubre Carole Péon David Hauss Kate Mcllroy Tony Dodds Nicky Samuels Ryan Sissons Jodie Stimpson Jonathan Brownlee Helen Jenkins Alistair Brownlee Melanie Hauss Ruedi Wild Nicola Spirig Sven Riederer Anja Dittmer Maik Petzold Svenja Balzen Steffen Justus Vicky Holland William Clake Non Stanford Jonathan Brownlee Jessica Harrison Tony Moulai Carole Péon Vincent Luis Irina Abysova Dmitry Polyanskiy Alexandra Razarenova Alexander Bryukhankov Anja Knapp Jan Frodeno Anne Haug Franz Loeschke Andrea Hewitt Tony Dodds Kate McIlroy Ryan Sissons Sarah Groff Ben Kanute Gwen Jorgensen Cameron Dye Lucy Hall Jonathan Brownlee Vicky Holland Alistair Brownlee Cassandre Beaugrand Dorian Coninx Audrey Merle Vincent Luis Zsófia Kovács Tamás Tóth Margit Vanek Ákos Vanek Jeanne Lehair Dorian Coninx Audrey Merle Vincent Luis Gillian Backhouse Aaron Royle Emma Jackson Ryan Baillie Vicky Holland Gordon Benson Non Stanford Mark Buckingham Gwen Jorgensen Ben Kanute Kirsten Kasper Joe Maloy Charlotte McShane Jacob Birtwhistle Emma Jackson Ryan Bailie Laura Lindemann Jonathan Zipf Hanna Philippin Gregor Buchholz Charlotte McShane Matthew Hausser Ashleigh Gentle Jacob Birtwhistle Kirsten Kasper Ben Kanute Katie Zaferes Matthew Mcelroy Maaike Caelers Marco Van Der Stel Rachel Klamer Jorik Van Egdom Léonie Périault Dorian Coninx Cassandre Beaugrand Vincent Luis Natalie Van Coevorden Aaron Royle Ashleigh Gentle Jacob Birtwhistle Kirsten Kasper Ben Kanute Katie Zaferes Kevin McDowell Émilie MorierLéo BergèreCassandre BeaugrandVincent Luis Laura Lindemann Valentin WernzNina EimJustus Nieschlag Natalie Van CoevordenAaron RoyleEmma JeffcoatJacob Birtwhistle Léonie PériaultLéo BergèreCassandre BeaugrandDorian Coninx Taylor Spivey Kevin McDowellKatie ZaferesMorgan Pearson Georgia Taylor-BrownBarclay IzzardJessica LearmonthAlex Yee Pierre Le CorreEmma LombardiVincent LuisCassandre Beaugrand Alex YeeSophie ColdwellSam DickinsonGeorgia Taylor-Brown Seth RiderTaylor Spivey Kevin McDowellSummer Rappaport Tim HellwigAnnika KochSimon HenseleitLaura Lindemann Hayden WildeAinsley ThorpeTayler ReidNicole van der Kaay Max StuderJulie Derron Sylvain FridelanceCathia Schär Henry GrafLisa TertschLasse LührsAnnika Koch Max StuderJulie DerronSimon WestermannCathia Schär Tayler ReidAinsley Thorpe Dylan McCulloughNicole van der Kaay Before the creation of the mixed team relay, single gendered relay races were held intermittently.