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Best Boston Marathon Qualifiers

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

Marathon Pace Bands

Marathon Pace Bands

Run the Right Pace in Your Next Marathon

Nearly 500 marathon courses.
Ships same or Next Day

Ontario Marathons

Decide which marathon is best for you by using our comprehensive Ontario Marathons Calendar.

Quickly view the course Elevation Profile and Race Details.
Create free course-specific marathon Pace Bands or buy waterproof, snap-on Pace Bands for your race.
Compare the details of marathons side-by-side.
View the PR Score and Course Scores of over 500 marathons to determine which gives you the best chance to PR or qualify for Boston.

Want to narrow down your marathon search? Use the Advanced Search Tools to find your perfect marathon by Location, State/Province, or by Keywords.

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Featured Races

Date	Race
September 29, 2024	Boulderthon: Boulder Marathon Boulder, CO World-Class Marathon Experience Finishing in the Heart of Boulder.
January 25, 2025	lululemon Classic City Marathon Athens, GA Your new favorite January race! Register now for marathon, half, or relay.
November 22-24, 2024	Philadelphia Marathon & Half Philadelphia, PA Registration soon for this iconic Marathon. Registration for all races fills up fast.

Ontario Marathons						Course	PR Score	Finishers	BQ%	Reviews	Compare
St. Lawrence Marathon Cornwall, ON 04/26/2025						Mostly Flat 215 Finishers		215 Finishers		Reviews	Compare Races
Mississauga Marathon Mississauga, ON 04/27/2025						Downhill 642 Finishers		642 Finishers		Reviews	Compare Races
Toronto Marathon Toronto, ON 05/04/2025						Downhill 2,975 Finishers		2,975 Finishers		Reviews	Compare Races
Georgina Spring Fling Marathon Georgina, ON 05/04/2025						Mostly Flat 161 Finishers		161 Finishers		Reviews	Compare Races
Ottawa Marathon Ottawa, ON 05/25/2025						Rolling Hills 4,780 Finishers		4,780 Finishers		Reviews	Compare Races
Sudbury Rocks Marathon Sudbury, ON 05/26/2024						Mostly Flat 63 Finishers		63 Finishers		Reviews	Compare Races
Niagara Ultra Races Marathon Niagara-on-the-Lake, ON 06/15/2024						Rolling Hills 122 Finishers		122 Finishers		Reviews	Compare Races
Georgina Marathon Georgina, ON 09/08/2024						Mostly Flat 336 Finishers		336 Finishers		Reviews	Compare Races
That Dam Hill Marathon London, ON 09/21/2024						Mostly Flat 39 Finishers		39 Finishers		Reviews	Compare Races
County Marathon Picton, ON 09/29/2024						Mostly Flat 108 Finishers		108 Finishers		Reviews	Compare Races
Muskoka Marathon Bracebridge, ON 10/05/2024						Rolling Hills 158 Finishers		158 Finishers		Reviews	Compare Races
Ottawa Fall Colours Marathon Ottawa, ON 10/13/2024						Rolling Hills 107 Finishers		107 Finishers		Reviews	Compare Races
Toronto Waterfront Marathon Toronto, ON 10/20/2024						Mostly Flat 4,559 Finishers		4,559 Finishers		Reviews	Compare Races
Niagara Falls International Marathon Niagara Falls, ON 10/27/2024						Mostly Flat 603 Finishers		603 Finishers		Reviews	Compare Races
Hamilton Marathon Road2Hope Hamilton, ON 11/03/2024						Very Flat 470 Finishers		470 Finishers		Reviews	Compare Races