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It's been 10 years since Paula Radcliffe set a world record with her performance in the London Marathon. The racing legend talks about that day and how she's recuperating from injuries that forced her out of the 2012 Olympics.

Paula Radcliffe set a world record at the Chicago Marathon a decade ago. She'll be at the finish line again Sunday -- only this time in a walking boot.

London may be Michael Phelps' fond farewell, but for the kid without a license (Katie Ledecky) and the girl with a closet full of overalls (Missy Franklin), the fun is just beginning.

For British adventurer Felicity Aston, the first woman to ski across Antarctica alone and unaided, the hardest part of her 1,084-mile trek was conquering her fears.

Kenya's Mary Keitany, who ran 2:19:19 to win the London Marathon in April, is the prohibitive favorite to win Sunday's New York City Marathon.

The Pan American Games aren't just about the competition. In several sports, there are 2012 Olympic spots on the line. Here's espnW's sport-by-sport breakdown.

By invalidating Paula Radcliffe's 2:15:25 as a marathon world record, the IAAF is belittling one of the best performances in women's sports history.

When Janet Evans set the swimming world ablaze in the late 1980s and '90s, the sport's current stars -- Katie Hoff and Kate Ziegler -- were infants.

It took just more than 40 hours to swim between two Caribbean Islands, but the grandmother toughed it out and set a world record -- with help from sweet stuff.

Angie Orellano-Fisher rang her 60th birthday by breaking a world record with a 3,010 tandem bike race across 12 states in just six days.

This week, more than 40,000 fans at Angel Stadium, all dressed in red masks, set a new record for "the largest gathering of people wearing costume masks." That begs the question: What other records could be set at America's ballparks?

She passed away today, at age 57, leaving a legacy of world records and New York City Marathon triumphs that won't soon be forgotten.

The University of Michigan set a new world record for attendance at a hockey game in its outdoor rivalry match against Michigan State this weekend.

Roommates Dana Vollmer and Rebecca Soni have helped each other stay calm in the water. The result? World records and gold medals for each.

Angela Madsen thought her life was over when she underwent a paralyzing surgery, but really it had just begun. The disabled athlete has left a slew of world records in her wake.

For world-champion hurdler Lashinda Demus, getting to tell her 4-year-old twin sons "Mommy won!" is a great reward for another successful race.