There are 632 marathons scheduled in the United States and Canada in 2012.  575 of these are in the U.S. and 57 in Canada. In 2011, 619 were held and 565 were held in 2010.

The USTAF or Athletics Canada have certified 450 of this year's marathons.

There are marathons scheduled in January in the U.S. and Canada in 2012. Below is a breakdown of each month with the number of marathons and finishers for 2010-2012.

The New York City Marathon has the highest entry fee: $255. There are several low key marathons without an entry fee.

The median marathon entry fee for 2012 races is $67. There are currently 44 marathons with an entry fee over $100.

In 2011 46,795 people finished the New York City Marathon. Canada's largest marathon was the Ottawa Marathon with 4,060. So far, the Boston Marathon has had the most in 2012 with 21,554 finishers.

Below is a list of the marathons with the most finishers last year and the most so far this year.

We've analyzed the course profile, elevation, and race day weather data for 177 marathons (more are being added) and determined that the Hamilton Marathon Road2Hope is the fastest race among those. **The list only includes certified marathon courses.

When looking at just the course profile and elevation (not factoring in the typical race day weather), the fastest marathon course is the St. George Marathon.

Visit the FAQ page to see what these PR Scores and Course Scores mean. If you want to see what your time on one course may translate to another course, use the calculator on the Marathon Time Converter page.

The Newfoundland Provincial Marathon in St. Johns, NL is the farthest East and the Kauai Marathon in Poipu, HI is the farthest West.

The Equinox Marathon in Fairbanks, AK is the northernmost and the Kona Marathon in Kailua-Kona, HI is the southernmost.

The Running with the Devil Marathon in Boulder City, NV has the highest race day average temperature at 89F/31C. At the other extreme, the Yukon Arctic Marathon in Whitehorse, YT has an average race day temperature of only 10F/-12C.

The coldest marathon in the United States is Hudson Mohawk Winter Marathon in Albany, NY with an average race day temperature of only 26F/-3C.

You can find the marathon with your ideal race temperature by filtering temperature ranges using the By State or the By Location search tool.

In 2011 the median number of finishers per marathon was 169. The 10 largest marathons accounted for 37% of the total number of marathon finishers in the U.S. and Canada.

2009 - 493,383 finishers
2010 - 534,560 finishers
2011 - 552,032 finishers
2012 - 177,413 finishers (so far)

In 2011 there were 534 marathons completed that also had been scheduled in 2010. 53% of these races increased the number of finishers in 2011 compared to the number that finished the marathon in 2010 (the average increase was 107 runners per race). 45% of marathons had decreased participation in 2011 compared to the finishers the prior year (the average decrease was 128 runners).

Of the 632 marathons in 2012, 105 have pace groups. You can find the marathons that have pace groups by filtering that criteria on our search tools.

There are 67 marathons scheduled in California this year. Texas has the second most marathons with 33.
Washington D.C. has the least scheduled with only 2.

You can view each of the marathons by state or province by using the By State search tool.

If you are looking for a race on Sunday, May 6th, there are 19 marathons to choose from.

Sunday, October 14th is a close second with 18 races on this day.