The organizers of next year’s landmark double‑header TCS London Marathon have finally settled the calendar after an unconventional showdown: a rock‑paper‑scissors duel between two of the race’s most celebrated champions. The 2027 edition will be a unique, two‑day extravaganza taking place on Saturday 24 April and Sunday 25 April, with a staggering 100,000 runners expected to line the historic route from Greenwich’s Royal Observatory to the iconic streets of Westminster. The decision‑making process had been shrouded in mystery up to this point, especially regarding which elite categories would compete on each day.
To bring clarity, the marathon’s chief executive, Hugh Brasher, invited the defending men’s champion Sabastian Sawe—who famously shattered the two‑hour barrier in his 2023 victory—and four‑time women’s champion Catherine Debrunner, the record‑holder for the women’s wheelchair marathon set in 2023, to settle the matter with a best‑of‑three rock‑paper‑scissors contest. Both athletes initially lobbied for the traditional Sunday slot, which historically hosts the bulk of the marathon’s elite competition. In the end, Debrunner emerged victorious in the playful battle, securing Sunday, 25 April, for the elite women’s race and the elite women’s wheelchair division. Consequently, the elite men’s and men’s wheelchair races will kick off the weekend on Saturday, 24 April, while the massive public‑participation events—open to runners, walkers, and non‑binary athletes—will run across both days, offering a truly inclusive celebration of endurance sport.
Brasher praised the light‑hearted method, noting that it added a touch of entertainment to an otherwise serious logistical challenge. "The 2027 Double TCS London Marathon will be a momentous one‑off event, and Sabastian and Catherine's battle was an entertaining way to decide which day would host each elite race," he said. He went on to highlight the benefits of the split schedule: "Splitting the elite races will allow us to shine an even brighter spotlight on the extraordinary athletes taking part." The two‑day format is expected to generate unprecedented levels of engagement and fundraising. Organisers project that the event will become the largest charitable fundraising moment in the history of UK sport, with more than £150 million slated to be raised for a wide array of charitable causes.
This ambitious target reflects the marathon’s long‑standing reputation as a platform for philanthropy, with participants traditionally raising funds for everything from medical research to community projects. Beyond the logistics, the decision to separate the elite men’s and women’s races offers several strategic advantages. By giving each gender its own headline day, broadcasters can provide uninterrupted coverage, sponsors can tailor their activations more precisely, and spectators—both on‑site and watching from home—can focus on the performances without the usual overlap. This approach also aligns with the marathon’s commitment to gender equity, ensuring that the women’s race receives equal prominence and media exposure.
For the athletes, the split schedule may influence race tactics. The men’s field, traditionally known for its deep pack of world‑class competitors, will have the advantage of cooler Saturday morning temperatures, potentially leading to faster times. Conversely, the women’s race on Sunday may benefit from a slightly warmer but still favorable climate, and the added excitement of concluding the weekend’s elite action could provide a psychological boost. The public‑mass events will retain the classic marathon atmosphere, with participants ranging from seasoned ultra‑marathoners to first‑time walkers.
The inclusion of non‑binary categories underscores the marathon’s progressive stance on diversity and inclusion, ensuring that everyone feels welcome to take part in one of the world’s most celebrated road races. In summary, the rock‑paper‑scissors showdown between Sabastian Sawe and Catherine Debrunner has not only settled the schedule but also added a memorable anecdote to the marathon’s rich lore. The 2027 Double TCS London Marathon promises two days of elite competition, massive community participation, and a historic fundraising push that could reshape charitable giving in UK sport.
Runners, fans, and donors alike can look forward to a weekend that celebrates athletic excellence, innovation, and the unifying power of sport.