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Boston Cut-off Time Prediction Contest

Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.

Submit Your Prediction

Marathon Pace Bands

Run the Right Pace in Your Next Marathon

Nearly 500 marathon courses.
Ships same or Next Day

Best Boston Marathon Qualifiers

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

2026 IS HERE!

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.

Featured Races

Date	Race
October 10, 2026	Hayden Lake Marathon Hayden, Idaho Enjoy a unique & challenging course around Hayden Lake in Idaho
February 7, 2027	7th Annual St. Petersburg Marathon St. Petersburg, Florida FLAT, fast, scenic, certified, PR course, BQ! Florida in February = Ideal weather.
September 27, 2026	Boulderthon: Boulder Marathon Boulder, CO World-Class Marathon Experience Finishing in the Heart of Boulder.
October 11, 2026	Spokane Marathon Spokane, Washington Unique & scenic course running on city streets & the Centennial Trail

Ontario Marathons	Course	Finishers	Reviews	Compare
Mississauga Marathon Mississauga, ON 04/25/2027	Downhill 615 Finishers	615 Finishers	Reviews	Compare Races
St. Lawrence Marathon Cornwall, ON 04/25/2026	Mostly Flat 142 Finishers	142 Finishers	Reviews	Compare Races
Toronto Marathon Toronto, ON 05/02/2027	Downhill 2,975 Finishers	2,975 Finishers	Reviews	Compare Races
Georgina Spring Fling Marathon Georgina, ON 05/03/2026	Mostly Flat 335 Finishers	335 Finishers	Reviews	Compare Races
Sudbury Rocks Marathon Sudbury, ON 05/24/2026	Mostly Flat 89 Finishers	89 Finishers	Reviews	Compare Races
Ottawa Marathon Ottawa, ON 05/30/2027	Rolling Hills 4,780 Finishers	4,780 Finishers	Reviews	Compare Races
Niagara Ultra Races Marathon Niagara-on-the-Lake, ON 06/20/2026	Rolling Hills 158 Finishers	158 Finishers	Reviews	Compare Races
Community Strong Weekend Marathon Sault Ste. Marie, ON 06/21/2026	Mostly Flat 14 Finishers	14 Finishers	Reviews	Compare Races
Georgina Marathon Georgina, ON 09/13/2026	Mostly Flat 434 Finishers	434 Finishers	Reviews	Compare Races
That Dam Hill Marathon London, ON 09/19/2026	Mostly Flat 48 Finishers	48 Finishers	Reviews	Compare Races
County Marathon Picton, ON 10/04/2026	Mostly Flat 194 Finishers	194 Finishers	Reviews	Compare Races
Muskoka Marathon Bracebridge, ON 10/04/2026	Rolling Hills 302 Finishers	302 Finishers	Reviews	Compare Races
Ottawa Fall Colours Marathon Ottawa, ON 10/11/2026	Rolling Hills 158 Finishers	158 Finishers	Reviews	Compare Races
Toronto Waterfront Marathon Toronto, ON 10/18/2026	Mostly Flat 7,306 Finishers	7,306 Finishers	Reviews	Compare Races
Niagara Falls International Marathon Niagara Falls, ON 10/25/2026	Mostly Flat 946 Finishers	946 Finishers	Reviews	Compare Races
Hamilton Marathon Road2Hope Hamilton, ON 11/01/2026	Very Flat 693 Finishers	693 Finishers	Reviews	Compare Races

Boston Qualifying Cut-off Time Prediction Contest

Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.

Boston Cut-off Time Prediction Contest

Marathon Pace Bands

Run the Right Pace in Your Next Marathon

Nearly 500 marathon courses.Ships same or Next Day

Best Boston Marathon Qualifiers

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

2026 IS HERE!

Ontario Marathons

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

Mississauga Marathon

Mississauga, ON 04/25/2027

Downhill

Elevation Chart

615 Finishers

99.31PR Score

10.7%

Qualified

615 Finishers

10.7%

Qualified

Reviews

Compare Races

St. Lawrence Marathon

Cornwall, ON 04/25/2026

Mostly Flat

Elevation Chart

142 Finishers

99.28PR Score

12.7%

Qualified

142 Finishers

12.7%

Qualified

Reviews

Compare Races

Toronto Marathon

Toronto, ON 05/02/2027

Downhill

Elevation Chart

2,975 Finishers

99.60PR Score

12.3%

Qualified

2,975 Finishers

12.3%

Qualified

Reviews

Compare Races

Georgina Spring Fling Marathon

Georgina, ON 05/03/2026

Mostly Flat

Elevation Chart

335 Finishers

99.55PR Score

21.5%

Qualified

335 Finishers

21.5%

Qualified

Reviews

Compare Races

Sudbury Rocks Marathon

Sudbury, ON 05/24/2026

Mostly Flat

89 Finishers

---PR Score

10.1%

Qualified

89 Finishers

10.1%

Qualified

Reviews

Compare Races

Ottawa Marathon

Ottawa, ON 05/30/2027

Rolling Hills

Elevation Chart

4,780 Finishers

Nearly 500 marathon courses.
Ships same or Next Day

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

Mississauga, ON
04/25/2027

Cornwall, ON
04/25/2026

Toronto, ON
05/02/2027

Georgina, ON
05/03/2026

Sudbury, ON
05/24/2026

Ottawa, ON
05/30/2027

Niagara-on-the-Lake, ON
06/20/2026

Sault Ste. Marie, ON
06/21/2026

Georgina, ON
09/13/2026

London, ON
09/19/2026

Picton, ON
10/04/2026