Guide

Flat, fast marathons for a PR

If you're chasing a number, gravity is your friend. These marathons all sit under 100m of total climb. Fair warning: flat and fast also means no hills to hide a bad patch.

September 2026Berlin · DE

Running·Marathon

Berlin Marathon

Closed · LotteryRace guide →

October 2026Chicago · US

Running·Marathon

Chicago Marathon

Closed · LotteryRace guide →

October 2026Amsterdam · NL

Running·Marathon

Amsterdam Marathon

Sold out · Direct entryRace guide →

October 2026Toronto · CA

Running·Marathon

Toronto Waterfront

Sold out · Direct entryRace guide →

December 2026Valencia · ES

Running·Marathon

Valencia Marathon

Sold out · LotteryRace guide →

December 2026Volcano to Keaʻau · US

Running·Marathon

Bird Conservation Marathon

Open · Direct entryRace guide →

March 2027Tokyo · JP

Running·Marathon

Tokyo Marathon

Ballot openRace guide →