World’s Fastest Marathons – April 2026 edition released The April 2026 edition is now live, presenting the full rankings for all included races. Data is drawn from publicly reported results and presented using Sub-3’s standard methodology.
How Claire Howard broke three hours as a frame runner Claire Howard only discovered frame running a few years ago, but has already become the first known female frame runner to break three hours for the marathon. In this Q&A, she reflects on training, racing, congestion, equipment problems and the freedom she has found through the sport.
How much recovery do you need after a sub-3 marathon? Running sub-3 takes a huge toll. Learn how long to rest before jogging, quality work, racing or tackling another marathon — and why patience pays off.
How to plan your long run strategy for sub-3 marathon training Learn how to plan your long runs for sub-3 marathon training. Build endurance, practise fuelling, and prepare for race day with a clear strategy.