The flattest marathons in the world
Ranked by total elevation gain. The flattest, the Windsor Dorney Lakeside Marathon, climbs just 10 m in 42.2 km. Flat courses are where most personal bests are set, but check the weather too: a flat course in the heat is not fast.
- 1Windsor Dorney Lakeside Marathon10 m gain🇬🇧 Dorney, United Kingdom · 18 Oct 2026 · Marathon · ↑ 10 m · start 11°C
- 2RUN Winschoten Marathon10 m gain🇳🇱 Winschoten, Netherlands · 11 Sept 2027 (est.) · Marathon · ↑ 10 m · start 14°C
- 3Marathon Brabant15 m gain🇳🇱 Etten-Leur, Netherlands · 25 Oct 2026 · Marathon · ↑ 15 m · start 10°C
- 4Lentemarathon Amstelveen15 m gain🇳🇱 Amstelveen, Netherlands · 14 Mar 2027 (est.) · Marathon · ↑ 15 m · start 5°C
- 5Hannover Marathon19 m gain🇩🇪 Hannover, Germany · 11 Apr 2027 · Marathon · ↑ 19 m · start 10°C
- 6Eindhoven Marathon20 m gain🇳🇱 Eindhoven, Netherlands · 11 Oct 2026 · Marathon · ↑ 20 m · start 12°C
- 7Yellow River Estuary Marathon20 m gain🇨🇳 Dongying, China · 18 Oct 2026 · Marathon · ↑ 20 m · start 12°C
- 8New Orleans Marathon20 m gain🇺🇸 New Orleans, United States · 14 Nov 2026 · Marathon · ↑ 20 m · start 14°C
- 9Doha Marathon by Ooredoo20 m gain🇶🇦 Doha, Qatar · 15 Jan 2027 · Marathon · ↑ 20 m · start 15°C
- 10Dubai Marathon20 m gain🇦🇪 Dubai, United Arab Emirates · 17 Jan 2027 · Marathon · ↑ 20 m · start 16°C
- 11White Marble Marathon20 m gain🇮🇹 Carrara, Italy · 14 Feb 2027 · Marathon · ↑ 20 m · start —
- 12Bienwald Marathon20 m gain🇩🇪 Kandel, Germany · 14 Mar 2027 (est.) · Marathon · ↑ 20 m · start 6°C
- 13Itabashi City Marathon20 m gain🇯🇵 Tokyo, Japan · 21 Mar 2027 · Marathon · ↑ 20 m · start 10°C
- 14Wuhan Marathon20 m gain🇨🇳 Wuhan, China · 28 Mar 2027 (est.) · Marathon · ↑ 20 m · start 12°C
- 15Enschede Marathon20 m gain🇳🇱 Enschede, Netherlands · 11 Apr 2027 · Marathon · ↑ 20 m · start 9°C
- 16Padova Marathon20 m gain🇮🇹 Padua, Italy · 18 Apr 2027 (est.) · Marathon · ↑ 20 m · start 13°C
- 17Leiden Marathon20 m gain🇳🇱 Leiden, Netherlands · 9 May 2027 · Marathon · ↑ 20 m · start 11°C
- 18Porto Alegre Marathon20 m gain🇧🇷 Porto Alegre, Brazil · 30 May 2027 (est.) · Marathon · ↑ 20 m · start 12°C
- 19Utrecht Marathon20 m gain🇳🇱 Utrecht, Netherlands · 30 May 2027 (est.) · Marathon · ↑ 20 m · start 15°C
- 20TT City Run Assen Marathon20 m gain🇳🇱 Assen, Netherlands · 19 Jun 2027 (est.) · Marathon · ↑ 20 m · start 16°C
- 21Hokkaido Marathon20 m gain🇯🇵 Sapporo, Japan · 29 Aug 2027 (est.) · Marathon · ↑ 20 m · start 22°C
- 22Nieuwpoort Marathon20 m gain🇧🇪 Nieuwpoort, Belgium · 19 Sept 2027 (est.) · Marathon · ↑ 20 m · start 16°C
- 23Bremen Marathon20 m gain🇩🇪 Bremen, Germany · 3 Oct 2027 · Marathon · ↑ 20 m · start 11°C
- 24Castellon Marathon25 m gain🇪🇸 Castellon de la Plana, Spain · 14 Feb 2027 · Marathon · ↑ 25 m · start 7°C
- 25Palm Beaches Marathon26 m gain🇺🇸 West Palm Beach, United States · 13 Dec 2026 · Marathon · ↑ 26 m · start 20°C
- 26Coast Guard Marathon26 m gain🇺🇸 Elizabeth City, United States · 4 Apr 2027 · Marathon · ↑ 26 m · start 11°C
- 27Frankfurt Marathon27 m gain🇩🇪 Frankfurt am Main, Germany · 25 Oct 2026 · Marathon · ↑ 27 m · start 10°C
- 28Galveston Marathon27 m gain🇺🇸 Galveston, United States · 21 Feb 2027 · Marathon · ↑ 27 m · start 14°C
- 29Bucharest Marathon30 m gain🇷🇴 Bucharest, Romania · 11 Oct 2026 · Marathon · ↑ 30 m · start 12°C
- 30Great Bruges Marathon30 m gain🇧🇪 Bruges, Belgium · 11 Oct 2026 · Marathon · ↑ 30 m · start 13°C