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.

Valencia Marathon Trinidad AlfonsoDecember 2026Valencia · ES
RunningMarathon

Valencia Marathon

Difficulty 18 · PR 80

Sold out · LotteryRace guide →
Hawaiʻi Bird Conservation MarathonDecember 2026Volcano to Keaʻau · US
RunningMarathon

Bird Conservation Marathon

Difficulty 30 · PR 80

Open · Direct entryRace guide →
Tokyo MarathonMarch 2027Tokyo · JP
RunningMarathon

Tokyo Marathon

Difficulty 19

Closed · LotteryRace guide →
GENERALI Berlin MarathonSeptember 2027Berlin · DE
RunningMarathon

Berlin Marathon

Difficulty 28

Ballot openRace guide →
Bank of America Chicago MarathonOctober 2027Chicago · US
RunningMarathon

Chicago Marathon

Difficulty 29 · PR 51

Closed · LotteryRace guide →

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The genuinely brutal ones