🇺🇸Chicago, USA
Oct 11, 2026
Distance
42.2 km
Elevation gain
30 m
Terrain
Road
Entry type
Lottery
PB potential
World-record territory — one of the fastest courses on the planet
Beginner friendly
Great for newcomers — manageable course, strong support
Chicago's near-sea-level course and minimal elevation change make it consistently one of the fastest World Majors. The loop format — starting and finishing at Grant Park — takes runners through 29 distinct neighbourhoods, each with its own character: the noise of Wrigleyville, the energy of Pilsen, the polish of Lincoln Park. October temperatures are typically ideal for fast running (10–18°C at the gun), and the flat profile allows runners to settle into goal pace from the first kilometre. The lottery fields roughly 45,000 runners from hundreds of countries. For Americans chasing a Boston qualifier, Chicago is often the most accessible route — ample charity places are available for those who miss the lottery. Mile 18 through Chinatown is famous for the deafening noise and drumlines.
Temperature
10–18°C
Humidity
50–65%
Conditions
Clear to partly cloudy, cool mornings
Wind
10–20 km/h variable
PB-seekers and first-timers alike — the flattest World Major, with a generous cut-off and huge crowd support.
Superb PB course: flat, fast, and well-organised, with cool October mornings. Also one of the more beginner-friendly majors.
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Explore the region
Toronto, Canada
Oct 18, 2026 · Road · ↑ 70 m
OpenA World Athletics Gold Label race and one of North America's most underrated PB courses — flat, fast, and perfectly timed in Toronto's ideal October conditions.
Houston, USA
Jan 18, 2027 · Road · ↑ 45 m
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Dec 6, 2026 · Road · ↑ 110 m
OpenCalifornia's fastest marathon — a net-downhill point-to-point from Folsom to Sacramento, the most popular Boston qualifier on the US west coast.