Heart Smarts

Training with a heart-rate monitor can be daunting to master, but it’s the best way to make the most of your workouts.

3. Here Come the Kenyans

Everyone knew Kenyans could run. But nobody knew they could run like they did in 2011.

2. Pistorius Competes at the World Champs

Depending on your perspective, Oscar Pistorius’s 2011 track campaign was either one of running’s most heartwarming or most pernicious stories.

1. Sammy Wanjiru Dies at 24

Sammy Wanjiru’s career was short—he set a world half marathon record in 2007, won Olympic marathon gold in 2008, and died in May of this year—but deeply influential.

The Top 10 Running Stories of 2011

The top 10 running stories of 2011, from Oscar Pistorius to Sammy Wanjiru and the explosion of ultra-fast marathons.

9. Mo Farah Hits the Big Time

A Somali refugee with British citizenship living in the United States named Mo Farah put together a near-perfect season a shorter distances.

5. Jenny Simpson Wins Gold

Jenny Simpson surprised the world, and herself, with a gold medal in the 1,500 metes at the 2011 World Championships.

4. The IAAF Bans Male Pacers

The IAAF ruled in late August that male pacers give women an unfair advantage in road races.

9. Runblogger

Outside picks the best fitness blogs of 2011, including Runblogger

9. Track Focus

Outside picks the best running blogs of 2011, including Track Focus