A London teacher who underwent heart surgery just 10 weeks ago is set to run the London Marathon this Sunday in memory of her daughter, who passed away after being diagnosed with a heart syndrome. Sophie Martin, 31, aims to complete the 26.2-mile course with her recently healed heart, hoping to inspire her pupils with a message of resilience in the face of profound grief.
Overcoming Heartbreak and Surgery
Mrs. Martin described her heart as feeling “broken in more ways than one” after losing her daughter, Olive. The infant was diagnosed with hypoplastic left heart syndrome—a condition where the left side of the heart is underdeveloped—during Mrs. Martin’s 12-week scan. Born in autumn 2024, Olive was described as “really strong,” but she suffered a cardiac arrest and died two days later. This devastating loss left Mrs. Martin, her husband, and their four-year-old son, Arthur, with “a lot of grief, sadness and shock.” She emphasized the importance of talking about Olive as part of her healing process.
Running as a Path to Healing
Mrs. Martin took up running during the Covid pandemic, and it became an outlet for processing her grief. Coincidentally, she was diagnosed with heart arrhythmia during Olive’s labour and underwent corrective surgery just 10 weeks before the marathon. Despite the physical challenge, she is determined to run for her daughter. “For me, this marathon is a new chapter,” she said. “Running with a newly healed heart is my way of honouring Olive and showing my students, and myself, that even after immense grief, you can find strength and joy. It’s a reminder that life keeps going and I’m ready to see how much further I can go.”
Inspiring Students and Raising Funds
Mrs. Martin, who serves as PE lead at St James’ Roman Catholic Primary School, is one of 39 educators running for Team TCS Teachers. Last year, nearly a year after Olive’s death, she completed the Royal Parks marathon and raised £5,000 for Demelza Hospice, which supported her family. Reflecting on her journey, she told the Press Association: “I never thought I’d get in (to the marathon). I honestly was really surprised when the email came in. I’d just had my heart surgery, and then it must have been about two weeks later I found out that I’d got in and I thought ‘I don’t know if I can even physically do this’.” Despite the significant challenge, she hopes her story will teach her students that even the hardest tasks are not impossible.



