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Make your rides more efficient with these expert tips.
Test your endurance, and see some spectacular destinations in the U.S.
Zach Bitter is a 100-mile record holder. He eats almost no carbs.
Put your physical skills to the test with these challenging workouts.
How to train to run 13.1 miles in just a little over two months.
The key to do both? Timing, a new study says.
Everything you need to know to run, swim, and bike to victory.
What you need to know before taking on a big race.