The 37-year-old is taking on an energetic triple challenge including running the London Marathon, cycling from Lands End to John OGroats and swimming an eight-mile course in the River Thames. She was inspired to act by her sister, Ruth, 38, who was diagnosed with Hughes Syndrome after suffering the physical and emotional trauma of several miscarriages. The condition causes blood to clot leading to headaches and migraines, memory loss, and even strokes, heart attacks and blood clots. It is also a leading cause of recurrent miscarriage and pregnancy problems. Carice said: Following the diagnosis, my sister had to undergo daily injections during pregnancy. Chest pains and difficulties in breathing at 40 weeks pregnant also meant that she was rushed to hospital where scans revealed blood clots in the lungs. After all of this I do still have my fabulous sister and a wonderful nephew who mean the world to me. As a result, Carice is raising funds for the Hughes Syndrome Foundation, a charity campaigning for earlier recognition and better treatment of the condition. She is busy training for the marathon in April, then the cycle on a date to be confirmed, and finally the Bridge-to-Bridge swim in the Thames at Henley in August. I have never run further than 8 miles, cycled further than 60 miles or swum further than 2.5 miles so this will be a huge undertaking for me, she said. As I am financing the challenges myself, every single penny that I raise will be donated to the foundation. On top of the challenges, she is also doing a series of fundraisers, including raffles, prize draws and coffee and cake mornings at RAF Chicksands, Bedfordshire, where she works. Yesterday, Carice had an awareness stand and bucket collection in aid of the foundation at Tesco in St Neots, from 10am-6pm. INFORMATION: Anyone who would like to support Carice should visit http://uk.virginmoneygiving.com/CariceAllen. For more on the charity, go to www.hughes-syndrome.org.