Note: The tables below show the athletes who have qualified, it is unlikely that all of them will actually race in St. George.
Prize Money
70.3 World Championship has a total prize purse of 350.000 US$, paying 15 deep.
Male Race Participants
| Name | Nation |
| Bart Aernouts | BEL |
| Josh Amberger | AUS |
| Igor Amorelli | BRA |
| Marty Andrie | USA |
| Florian Angert | GER |
| Sam Appleton | AUS |
| Filipe Azevedo | POR |
| Daniel Baekkegard | DEN |
| Gregory Barnaby | ITA |
| Kristian Blummenfelt | NOR |
| Adam Bowden | GBR |
| Alistair Brownlee | GBR |
| Collin Chartier | USA |
| Nicholas Chase | USA |
| Maurice Clavel | GER |
| Antony Costes | FRA |
| Braden Currie | NZL |
| Robbie Deckard | USA |
| Andreas Dreitz | GER |
| Magnus Elbaek Ditlev | DEN |
| Nils Frommhold | GER |
| Frederic Funk | GER |
| Joe Gambles | AUS |
| Javier Gomez | ESP |
| George Goodwin | GBR |
| Matt Hanson | USA |
| Marcus Herbst | GER |
| Gustav Iden | NOR |
| Yvan Jarrige | FRA |
| Robert Kallin | SWE |
| Ben Kanute | USA |
| Sebastian Kienle | GER |
| Eric Lagerstrom | USA |
| Jackson Laundry | CAN |
| Yohan Le Berre | FRA |
| Chris Leiferman | USA |
| Emmanuel Lejeune | BEL |
| Sam Long | USA |
| Dylan Magnien | FRA |
| Kevin Maurel | FRA |
| Steven McKenna | AUS |
| Mauricio Mendez Cruz | MEX |
| Justin Metzler | USA |
| Clement Mignon | FRA |
| Miki Moerck Taagholt | DEN |
| Max Neumann | AUS |
| Mika Noodt | GER |
| Alexander Polizzi | AUS |
| Michael Raelert | GER |
| Ivan Rana | ESP |
| Tim Rea | AUS |
| Tim Reed | AUS |
| Taylor Reid | CAN |
| Tomas Andres Rodriguez Hernandez | MEX |
| Aaron Royle | AUS |
| Paul Ruttmann | AUT |
| Lionel Sanders | CAN |
| Francisco Serrano | MEX |
| Elliot Smales | GBR |
| Brennen Smith | CAN |
| Kyle Smith | NZL |
| Thomas Steger | AUT |
| Jan Stratmann | GER |
| Rasmus Svenningsson | SWE |
| James Teagle | GBR |
| Fernando Toldi | BRA |
| Martin Ulloa | CHI |
| Tim Van Berkel | AUS |
| Marten Van Riel | BEL |
| Rudy Von Berg | USA |
| Bradley Weiss | ZAF |
| Michael Weiss | AUT |
| Jason West | USA |
| Hayden Wilde | NZL |
| Cameron Wurf | AUS |
Female Race Participants
| Name | Nation |
| Grace Alexander | USA |
| Nikki Bartlett | GBR |
| Lisa Becharas | USA |
| Anna-Lena Best Pohl | GER |
| Romina Biagioli | ARG |
| Daniela Bleymehl | GER |
| Elizabeth Bravo | ECU |
| Mirinda Carfrae | AUS |
| Lucy Charles-Barclay | GBR |
| Haley Chura | USA |
| Luiza Cravo | BRA |
| Sarah Crowley | AUS |
| Alissa Doehla | USA |
| Flora Duffy | BMU |
| Paula Findlay | CAN |
| Jenny Fletcher | CAN |
| Ashleigh Gentle | AUS |
| Kimberly Goodell | USA |
| Susana Guillen | VEN |
| Lucy Hall | GBR |
| Claire Hann | GBR |
| Jackie Hering | USA |
| Lisa Huetthaler | AUT |
| Julie Iemmolo | FRA |
| Tamara Jewett | CAN |
| Meredith Kessler | USA |
| Taylor Knibb | USA |
| Katharina Krueger | GER |
| Kinsey Laine | USA |
| Chloe Lane | AUS |
| Holly Lawrence | GBR |
| India Lee | GBR |
| Carrie Lester | AUS |
| Danielle Lewis | USA |
| Diane Luethi | SUI |
| Justine Mathieux | FRA |
| Katrina Matthews | GBR |
| Jocelyn McCauley | USA |
| Rachel Mensch | USA |
| Jeanni Metzler | ZAF |
| Simone Mitchell | GBR |
| Skye Moench | USA |
| Kimberley Morrison | GBR |
| Anna Noguera | ESP |
| Lisa Norden | SWE |
| Pamella Oliveira | BRA |
| Emma Pallant-Browne | GBR |
| Maddy Pesch | USA |
| Sarah Piampiano | USA |
| Anne Reischmann | GER |
| Daniela Ryf | SUI |
| Ellie Salthouse | AUS |
| Felicity Sheedy-Ryan | AUS |
| Imogen Simmonds | SUI |
| Penny Slater | AUS |
| Lesley Smith | USA |
| Chelsea Sodaro | USA |
| Maja Stage Nielsen | DEN |
| Caroline Steffen | SUI |
| Jodie Stimpson | GBR |
| Sara Svensk | SWE |
| Line Thams | DEN |
| Grace Thek | AUS |
| Svenja Thoes | GER |
| Alexandra Tondeur | BEL |
| Els Visser | NED |
| Amelia Watkinson | NZL |
| Sophie Watts | USA |
| Hannah Wells | NZL |
| Amanda Wendorff | USA |
| Kelsey Withrow | USA |