Updates:
- May 3rd: Added Clarice Lorenzini, Jodie Robertson (WPRO), Tyler Butterfield, Julen Diez Rodriguez, Adam Feigh, Adam Hansen, Marcus Herbst, Yvan Jarrige, Alexander Khalamanov, Chris Leiferman, Garrett Mayeaux, Jason Pohl, Boris Stein, Jesse Vondracek (MPRO)
Lauren Brandon, Kinsey Laine, Sam Laidlow, and Tim Rea are no longer on the latest start list and likely won’t race - April 26th: Added Brandi Swicegood, Kelsey Withrow (WPRO), Cody Beals, Derk De Korver, Kristian Hindkjaer, Lukas Kraemer, David Plese, Jan van Berkel, Michael Weiss (MPRO)
- April 19th: Added Sarah Crowley, Jennie Hansen, Kinsey Laine, Carolin Lehrieder, Rebecca Marrou, Pamella Oliveira, Lenny Ramsey, Lesley Smith (WPRO), Michael Patrick Alonso Mckernan, Elliot Bach, Daniel Baekkegard, Alexander Berggren, Denis Chevrot, Gregory Close, Clay Emge, Nils Frommhold, Romain Guillaume, Patrick Lange, Sam Long, Arnaud Margot, David McNamee, Andy Potts, Jesper Svensson (MPRO)
- April 2nd: Added Nikki Bartlett, Tara Grosvenor, Meredith Kessler (WPRO), Adam Bowden, Andreas Jung, Sam Laidlow, Tim Rea, Matthew Russell, Joe Skipper, Per Van Vlerken (MPRO)
- March 29th: Added Sarah Karpinski, Skye Moench, Angela Naeth, Laura Philipp, Daniela Ryf (WPRO) and Bart Aernouts, Florian Angert, David Breuer, Kevin Collington, Antony Costes, Michiel De Wilde, Marc Duelsen, Samuel Huerzeler, Mauricio Mendez Cruz, Colin Norris (MPRO)
- March 21st: After the cancellation of IM Texas, a couple of athletes have moved to Tulsa.
Added Ruth Astle, Sarah Bishop, Gurutze Frades Larralde, Kayla Kobelin, Katrina Matthews, Kimberley Morrison, Alexandra Tondeur, Michelle Vesterby (WPRO), Axel Beci, Tiago Depaula, Kristian Hogenhaug, Mathias Lyngsoe Petersen, Patrik Nilsson, Eliot Scymanski, Rasmus Svenningsson (MPRO) - March 16th: Added Lauren Brandon (WPRO), Andreas Dreitz, Benson Hall (MPRO)
Kona Slots and Prize Money
IM Tulsa has 2m+2f +2u Pro Kona slots. It has a total prize purse of 150.000 US$, paying 10 deep.
Male Race Participants
| Name | Nation |
| Bart Aernouts | BEL |
| Michael Patrick Alonso Mckernan | ESP |
| Florian Angert (KQ) | GER |
| Elliot Bach | USA |
| Daniel Baekkegard | DEN |
| Cody Beals | CAN |
| Axel Beci | ESP |
| Alexander Berggren | SWE |
| Adam Bowden | GBR |
| David Breuer | GER |
| Tyler Butterfield (KQ) | BMU |
| Mattia Ceccarelli | ITA |
| Nicholas Chase | USA |
| Denis Chevrot | FRA |
| Gregory Close | USA |
| Kevin Collington | USA |
| Antony Costes | FRA |
| Derk De Korver | NED |
| Michiel De Wilde | NED |
| Tiago Depaula | BRA |
| Julen Diez Rodriguez | ESP |
| Andreas Dreitz (KQ) | GER |
| Marc Duelsen | GER |
| Clay Emge | USA |
| Adam Feigh | USA |
| Nils Frommhold | GER |
| Pedro Gomes | POR |
| Romain Guillaume | FRA |
| Benson Hall | USA |
| Adam Hansen | AUS |
| Marcus Herbst | GER |
| Kristian Hindkjaer | DEN |
| Tripp Hipple | USA |
| Kristian Hogenhaug | DEN |
| Samuel Huerzeler | SUI |
| Yvan Jarrige | FRA |
| Andreas Jung | GER |
| Alexander Khalamanov | RUS |
| Lukas Kraemer | GER |
| Sam Laidlow | FRA |
| Patrick Lange (KQ) | GER |
| Chris Leiferman (KQ) | USA |
| Sam Long (KQ) | USA |
| Mathias Lyngsoe Petersen | DEN |
| Arnaud Margot | SUI |
| Garrett Mayeaux | USA |
| David McNamee | GBR |
| Mauricio Mendez Cruz | MEX |
| Patrik Nilsson | SWE |
| Colin Norris | GBR |
| Kennett Peterson | USA |
| David Plese | SLO |
| Jason Pohl | CAN |
| Kevin Portmann | FRA |
| Andy Potts | USA |
| Tim Rea | AUS |
| Matthew Russell | USA |
| Stefan Schumacher | GER |
| Eliot Scymanski | USA |
| Joe Skipper (KQ) | GBR |
| Boris Stein | GER |
| Rasmus Svenningsson | SWE |
| Jesper Svensson | SWE |
| Raul Tejada | GTM |
| Jan van Berkel | SUI |
| Per Van Vlerken | GER |
| Jesse Vondracek | USA |
| Michael Weiss (KQ) | AUT |
Female Race Participants
| Name | Nation |
| Ruth Astle (KQ) | GBR |
| Nikki Bartlett | GBR |
| Sarah Bishop | USA |
| Lauren Brandon | USA |
| Sarah Crowley (KQ) | AUS |
| Gurutze Frades Larralde | ESP |
| Tara Grosvenor | GBR |
| Jennie Hansen | USA |
| Heather Jackson (KQ) | USA |
| Sarah Karpinski | USA |
| Meredith Kessler (KQ) | USA |
| Kayla Kobelin | USA |
| Kinsey Laine | USA |
| Carolin Lehrieder (KQ) | GER |
| Clarice Lorenzini | USA |
| Rebecca Marrou | USA |
| Katrina Matthews (KQ) | GBR |
| Skye Moench (KQ) | USA |
| Kimberley Morrison | GBR |
| Angela Naeth (KQ) | CAN |
| Pamella Oliveira | BRA |
| Laura Philipp | GER |
| Lenny Ramsey | NED |
| Marj Rinaldo | USA |
| Jodie Robertson | USA |
| Daniela Ryf (KQ) | SUI |
| Lesley Smith | USA |
| Brandi Swicegood | USA |
| Alexandra Tondeur | BEL |
| Amy Vantassel | USA |
| Michelle Vesterby (KQ) | DEN |
| Kelsey Withrow | USA |