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Marathons are grueling tests of human endurance and they draw large crowds of both runners and onlookers. Marathons have been around for ages and are expremely popular events for running enthusiasts. Check out this section to learn all about marathons.

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How AIMS World Running Works

Although the first marathon was run 2,500 years ago -- and its lone participant died in the process -- long-distance running has never been more popular. AIMS coordinates thousands of races around the world at a variety of distances, from fun runs to marathons.


Top 5 Walker-friendly Marathons

 Top 5 Walker-friendly Marathons

The top 5 walker-friendly marathons are huge events. Visit HowStuffWorks to learn all about the top 5 walker-friendly marathons. See more »

5 Biggest Marathons

 5 Biggest Marathons

The 5 biggest marathons are huge events. Visit HowStuffWorks to learn all about the 5 biggest marathons. See more »

How AIMS World Running Works

 How AIMS World Running Works

AIMS World Running is dedicated to distance races. Visit HowStuffWorks to learn all about AIMS World Running. See more »

How Marathon Race Timing Works

 How Marathon Race Timing Works

Marathon race timing is done in a particular way. Visit HowStuffWorks to learn all about marathon race timing. See more »

How the Berlin Marathon Works

 How the Berlin Marathon Works

The Berlin Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the Berlin Marathon. See more »

How the Boston Marathon Works

 How the Boston Marathon Works

The Boston Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the Boston Marathon. See more »

How the Chicago Marathon Works

 How the Chicago Marathon Works

The Chicago Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the Chicago Marathon. See more »

How the LA Marathon Works

 How the LA Marathon Works

The LA Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the LA Marathon. See more »

How the London Marathon Works

 How the London Marathon Works

The London Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the London Marathon. See more »

How the Marine Corps Marathon Works

 How the Marine Corps Marathon Works

The Marine Corps Marathon is a wonderful event with a lot to offer. Visit HowStuffWorks to learn all about the Marine Corps Marathon. See more »