Zurich Barcelona Marathon

February's fastest marathon — a flat loop through Seville's old town and riverside promenades in crisp Andalusian winter conditions.

December's perfect PB race — flat, fast, and held in ideal cool Mediterranean conditions that produce faster times than almost any course on earth.

Spain's capital offers a rolling marathon through royal parks and grand boulevards — Retiro Park, the Prado district, and Paseo de la Castellana all on the route.

The world's fastest marathon course — dead flat, perfectly organised, and the site of more world records than any other race.

One of Europe's fastest marathon courses — a dead-flat loop through Philips' hometown with aggressive pacers, elite competition, and near-zero elevation gain.

Statistically the world's fastest marathon course — virtually no elevation, sea-level altitude, perfect spring climate. Come to Rotterdam to run your best.

The Baltic's fastest and largest marathon — essentially flat along Riga's Art Nouveau boulevards, through Jūrmala's beach resort, and across the Daugava River bridges.

One of the flattest marathons in the world — a welcoming, beautifully organised race through the Danish capital's canals, parks, and harbour in ideal May conditions.

Poland's most historic city hosts a flat spring marathon past Wawel Castle, the medieval Cloth Hall, the Kazimierz Jewish Quarter, and along the Vistula River.