| 386 |  Kristina Gordon  Rosanne Brennan | 45-49 | 04:35 | |
| 386 | Alison Wilson Katherine Moore | 40-44 | 04:35 | |
| 386 | Eilidh Mcmillen Lorna Mclaren | 40-44 | 04:35 | |
| 386 | Libbie Landers Megan Smith | 25-29 | 04:35 | |
| 386 |  Anna Blomkvist Sara Blomkvist | 30-34 | 04:35 | |
| 386 | Bernadette Gardiner Maria Walsh | 40-44 | 04:35 | |
| 386 | Noreen Doherty Shona Kelly | 35-39 | 04:35 | |
| 386 | Andrea Farrelly Tara Tierney | 40-44 | 04:35 | |
| 386 | Gráinne Foley Michelle Cantillon | 45-49 | 04:35 | |
| 410 | Brogan Pugh Isobel Gardiner | 16-24 | 04:36 | |
| 410 | Anne-Marie Mccann Erin Mcmullan | 30-34 | 04:36 | |
| 410 | Eimear Doogan Mairead Sheahan | 35-39 | 04:36 | |
| 410 |  Hannah Thorne  Kaitlyn Sercovich | 25-29 | 04:36 | |
| 410 | Julie Clendinning Natalie Clendinning | 30-34 | 04:36 | |
| 410 | Deborah Laird Nicole Mcnaughten | 35-39 | 04:36 | |
| 410 | Ashley Mcdonnell  Eleonora Cocconi | 30-34 | 04:36 | |
| 410 | Alison Mccormick Jane Hand | 40-44 | 04:36 | |
| 410 | Lauren Kelly Shauna Coogan | 25-29 | 04:36 | |
| 410 | Emily Mullen Niamh Forker | 25-29 | 04:36 | |
| 410 | Amy Robertson Carrie Crowe | 30-34 | 04:36 | |
| 410 | Kayleigh Leddy Laura Boylan | 30-34 | 04:36 | |
| 410 | Hannah Carrick Molly Willmott | 16-24 | 04:36 | |
| 410 | Kayleigh Trappe Mary Carmody | 25-29 | 04:36 | |
| 410 | Hilary Field Hilda Hamilton | 45-49 | 04:36 | |
| 410 | Barbara Neilan Paula Egan | 40-44 | 04:36 | |
| 410 |  Kate Merson Shannon Simpson | 30-34 | 04:36 | |
| 410 | Chloe Jakeways Katy Clark | 35-39 | 04:36 | |
| 410 | Emma Hopkins Kelley Flannery | 30-34 | 04:36 | |
| 410 | Frances Dallaghan Lisa Dallaghan | 25-29 | 04:36 | |
| 410 | Kate Woodhams Natalie Bower | 30-34 | 04:36 | |
| 410 | Hollie Kilpatrick Roisin Murray | 30-34 | 04:36 | |
| 410 | Fionnuala Finnegan Genna Meegan | 40-44 | 04:36 | |
| 410 | Claudia Daly Zhanna Reilly | 16-24 | 04:36 | |
| 410 | Catherine Grade Orlaith Horgan | 35-39 | 04:36 | |
| 410 | Orla Morrissey Sal O Dwyer | 30-34 | 04:36 | |
| 410 | Rachel Mcconnell  Sevdzhan Yusuf | 30-34 | 04:36 | |
| 410 | Gemma Godwin-Deveney  Liliana Costa | 35-39 | 04:36 | |
| 410 | Amber Shearer Jodie Mcdonald | 25-29 | 04:36 | |
| 410 | Hannah Wilkinson Paula Wilkinson | 35-39 | 04:36 | |
| 410 | Lauren Baines Libby Langham | 25-29 | 04:36 | |
| 410 | Claire Gibbons Orla Hicks | 40-44 | 04:36 | |
| 410 | Lindsay England Nicola Thomas | 40-44 | 04:36 | |
| 410 | Chloe Ogley Paige Speed | 30-34 | 04:36 | |
| 410 | Kirsten Licence Laura Maybin | 40-44 | 04:36 | |
| 410 | Jean Walsh Maureen Murphy | 25-29 | 04:36 | |
| 410 | Gillian Moore Tracey Adams | 35-39 | 04:36 | |
| 410 | Holly Barrett Katie O Grady | 16-24 | 04:36 | |
| 410 | Abigail Leckey  Emma Lappin | 25-29 | 04:36 | |
| 410 | Amiee Norwood Karen Loftus | 35-39 | 04:36 | |
| 410 | Eve Corvan Meaghan Smith | 25-29 | 04:36 | |
| 410 | Laura Miernik Vicky Brierley | 30-34 | 04:36 | |
| 410 | Dannie Wilson Jordyn Mckinney | 25-29 | 04:36 | |
| 410 | Christine Mc Cann Maeve Cieslik | 45-49 | 04:36 | |
| 410 | Jaclyn Crowe Orla Kilifin | 45-49 | 04:36 | |
| 455 | Aine Rafferty Jenny Brewster | 40-44 | 04:37 | |
| 455 | Lauryn Rusk Sarah Lindsay | 30-34 | 04:37 | |
| 455 | Ella Butler Kirsty Butler | 35-39 | 04:37 | |
| 455 | Rachel Mulligan Rebekah Mulligan | 30-34 | 04:37 | |
| 455 | Kate Nelligan Kate Passmore | 30-34 | 04:37 | |
| 455 | Kathi Ó Riain Niamh Lynch | 45-49 | 04:37 | |
| 455 | Jessica Duffy Sinead Lawlor | 35-39 | 04:37 | |
| 455 | Aisling Halligan Clodagh Jackman | 25-29 | 04:37 | |
| 455 | Hannah Taylor Laura Mcilwrath | 30-34 | 04:37 | |
| 455 |  Shelley Lahti Yvonne Slattery | 50-54 | 04:37 | |
| 455 | Felicity Anand Kalvir Dhillon | 40-44 | 04:37 | |
| 455 | Kathleen Prendiville Leah Howard | 30-34 | 04:37 | |
| 455 | Áine Flood Caoimhe Mc Guinness | 25-29 | 04:37 | |
| 455 | Ava Marah Lauryn Lyne | 16-24 | 04:37 | |
| 455 | Nora Sullivan Sinead Ocallaghan | 25-29 | 04:37 | |
| 455 | Amanda Hurry Avnisha Mavadia | 35-39 | 04:37 | |
| 455 | Lucy Baxter Lucy Parker | 16-24 | 04:37 | |
| 455 | Amy Fishwick Kate Wilson | 25-29 | 04:37 | |
| 455 | Clodagh Mcalinden Shannon Flannagan | 25-29 | 04:37 | |
| 455 | Danielle Bradley Gabrielle Hayball | 25-29 | 04:37 | |
| 455 | Eleanor Swindlehurst Harriet Weber | 25-29 | 04:37 | |
| 455 | Christine Kenny Siobhan Henderson | 35-39 | 04:37 | |
| 455 | Emma Boom Shannon O'Rourke | 25-29 | 04:37 | |
| 455 | Emma Crudden Stephanie Kenny-Quinn | 40-44 | 04:37 | |
| 455 | Christina Loveridge Jane Hand | 45-49 | 04:37 | |
| 455 | Amy Finnegan Jessica Byrne | 16-24 | 04:37 | |
| 455 | Ana Pires Graciete Henriques | 35-39 | 04:37 | |
| 455 | Amy Marcowich Emily Adams | 35-39 | 04:37 | |
| 455 | Ellen Coakley Marion Coakley | 25-29 | 04:37 | |
| 455 | Hayley Bryant Yasmin Tossun | 30-34 | 04:37 | |
| 455 | Kate Hennessy Rebecca Falvey | 16-24 | 04:37 | |
| 455 | Kathy Riordan Naoise Murray | 25-29 | 04:37 | |
| 455 | Jessica Willis Kathryn Purvis | 30-34 | 04:37 | |
| 455 | Mary Morrell Susanne Martin | 45-49 | 04:37 | |
| 455 | Emily Godsiff Hanna Smith | 35-39 | 04:37 | |
| 455 | Ailish Dunphy Sarah Weldon | 30-34 | 04:37 | |
| 455 | Leanne Kearney Sarah Kearney | 30-34 | 04:37 | |
| 455 | Hollie Johnston Naomi Morrison | 30-34 | 04:37 | |
| 493 | Eimear Mckenna Elaine Mckenna | 35-39 | 04:38 | |
| 493 | Emma Newman Karen Gillman | 25-29 | 04:38 | |
| 493 | Corrinne Boyd Nicole O'Prey | 30-34 | 04:38 | |
| 493 | Holly Purdue Leanne Nolan | 35-39 | 04:38 | |
| 493 | Maria Dunleavy Tara Dunleavy | 35-39 | 04:38 | |
| 493 | Mandy Milne Rosie Seath | 25-29 | 04:38 | |
| 493 | Abigail Roe Carla Oglesby | 25-29 | 04:38 | |
| 493 | Joanne Cummings Wendy Moore | 50-54 | 04:38 | |
