Borne’s Costa Rica Challenge


After having made the difficult decision to postpone the Costa Rica Coast2Coast Challenge in 2020 due to the Covid-19 outbreak, we are very excited to announce that the Challenge will now take place between Wednesday October 27th and Thursday November 4th 2021! These new dates are subject to the anticipated easing of lockdown rules and permission to travel.

There are still some spots available to join this incredible team on the adventure of a lifetime – all in aid of raising crucial funds to invest in groundbreaking research to prevent premature birth. If you think you’re up to taking on this amazing challenge on behalf of those that are too small to help themselves, sign up today!



Starting from the Caribbean Sea, we will battle our way across Costa Rica on foot, bike, kayak and raft. This east to west jungle route is rarely used, even by locals.

We will kayak up the Pacuare river, trek 40km through forests and to heights of 3000m, cycle over 200km past coffee and sugar cane plantations and raft through white-water rapids before reaching the Pacific Ocean.

This is an incredible challenge that will test the limits of our physical and mental endurance, all to prevent babies from being born too soon. Click below to see the full itinerary and trip details.


Our team of intrepid adventurers need your help to reach their target of raising £250,000 – money that will fund crucial research into preterm birth. Please consider donating to their fundraising efforts!


The Costa Rica Coast2Coast Challenge is designed and led by Extreme Leaders – specialists in organising expeditions and experiences that push teams to their limits to achieve extraordinary results. At their core is a team of cross-discipline community leaders who have led teams from the ends of the earth to the top of the world – including our expedition leaders, Alan Chambers MBE and Wayne Hoyle.

Alan Chambers MBE
A former Royal Marine with 16 years service, Alan was a member of the first winter expedition to traverse Iceland by ski and led the first successful British unsupported expedition from Canada to the Geographic North Pole. He has since led over a dozen North Pole expeditions with top business leaders, helping them explore and reflect on their own leadership capabilities. 

Alan was awarded an MBE in 2000 for determination and leadership in constant adversity. He is a qualified diver, parachutist, paramedic and ski survival instructor.

Wayne Hoyle

Wayne has served more than 25 years in the UK Special Forces including a 2-year command assignment to the US Seal Team Six. He has been involved in every major conflict since the mid-1980s, and was awarded the Queen’s Commendation for Valuable Service on two occasions for his role on operations.

Wayne was the first Royal Marines Officer to walk unsupported to the Geographic North Pole. He has led challenges across Vietnam, Cambodia, the Sahara, Central America and Africa. He established a new route on the north face of Kilimanjaro in 2017 and has helped raise millions for charities.



Will Greenwood MBE

2003 England World Cup winning rugby star, rugby pundit, brand ambassador and motivational speaker, Will Greenwood is a Patron of Borne. His first child Freddie was born at just 22 weeks, too soon to survive.

Will is as passionate about finding answers to prevent preterm birth as he is about changing lives through sport. He is a passionate fundraiser for the medical research led by Professor Mark Johnson at Borne, and has climbed Kilimanjaro and walked to the North Pole for Borne.

He is joining the Costa Rica Challenge because every child deserves a healthy start to life. There is something we can do to stop families from living through the fear, anxiety and sometimes anguish when pregnancies do not progress as planned.

Claire Shouksmith
Dominic Lynch
Michael Bailey

Phil Sanger

Rob Mallett 

Tim Mercer

Tom Cartwright
Will Mould


Dean Mumm

Former Australian rugby international and Exeter Chiefs captain Dean Mumm has lost four children to premature birth. He and his wife Sarah lost their first child, Sophie, at 21 weeks; their little boy Henry was born at 28 weeks and passed away nine days later. They lost Ella and Grace just after 20 weeks in 2018.

Dean and Sarah have a son, Alfie, now four. On their return to Sydney, they founded Borne-HMRI, an Australian scientific collaboration between Borne and the Hunter Medical Research Institute to fund joint medical research that can speed up the pace of discovery of new knowledge and treatments to delay preterm labour and stop spontaneous preterm birth.

Dean and a team from Australia are joining the Costa Rica Challenge to fundraise for Borne and Borne-HMRI. Read about Sarah and Dean Mumm’s life after preterm birth here [via Mamamia]

Angus Wilson
Jeremy Milner
Tim Birch
Marshal DeSaxe


Claire Grogan

Claire is an Emergency Medicine Doctor with a passion for expedition and remote medicine. She has provided medical support for expeditions in many environments, but mostly enjoys working in extreme cold and Polar regions. 

Last year,she celebrated International Women’s Day in Antarctica where she was the doctor for the Weddell Sea Expedition, an international scientific expedition that explored the area around the Larsen C ice shelf and Antarctic Peninsula.