Marathons in April 2026: All 43 US & International Races

April is one of the biggest months on the global running calendar. Boston Marathon week defines the first half of the month, followed by London, Paris, and dozens of regional spring marathons and half marathons across the US and Europe. It’s the month dreams of qualifying for Boston either come true — or restart for the next cycle.

Below is the complete What Race To Run directory of April races for the year ahead — 43 total events across 21 US races and 22 international destinations. Click any race for course details, registration links, and race-weekend logistics.

Why Race in April?

April is one of the biggest months on the global running calendar. Whether you’re targeting a PR, planning a destination weekend with family, or just looking for a great training tune-up, April delivers options across every distance and terrain.

Marquee April Races

April highlights include Marathon des Sables Legendary, Run Revel Mt. Charleston Marathon & Half, Publix Savannah Women’s Half Marathon, Wizz Air Milano Marathon, Brighton Marathon, plus dozens of regional half marathons, 5Ks, trail races, and fun runs across the United States and around the world.

All April Races on WRTR

Every April race in our database, sorted by date. Distance markers in the right column indicate the primary race type — many events also offer companion shorter distances like 5K, 10K, and family fun runs.

Planning a April Destination Race?

Many of the April events listed above are part of a full race weekend with expos, shake-out runs, and post-race celebrations. Book accommodation early — popular April races like the marquee marathons fill nearby hotels 4-6 months ahead. Check each event page for registration deadlines, qualifying times (for Boston-qualifier races), and bib transfer policies.

New races added every week — submit a April race to be included.