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Get ready to maximize the endurance, strength, flexibility, speed, and power you never knew you had.

Your foundation is built. It's time to tweak the beast.

We asked four top fitness coaches for their tape-it-to-the-fridge-door advice. Here's what they told us. (Bonus: We kick your excuses to the curb.)

Get a solid endurance base through heart-rate training.

Unlocking real staying power

Fine-tune your fitness with balance and agility exercises. Here's how.

To keep a workout program fresh, you need to make it your own, and some days you need to break the rules—within reason.

Weeks five through eight

Stop making excuses with these strategies

The ultimate guide to weightlifting for endurance athletes

Have trail and gym work turned you into a stiff? You need some flex time with Ashtanga yoga.

Because every second you’re not living life to the fullest is an opportunity missed—and the clock is ticking. To get you going, we’ve handpicked a no-regrets, full-throttle, see-the-world list of 50 things to do before you die—from climbing an 8,000-meter peak to making the perfect martini. Pro surfer Kelly Slater…

Whether your goal is more energy, a happier bod, or a competitive edge for work and play, our seven steps will change the way you think about food.

Here's the deal: Ten breakthrough workouts from the best fitness experts and coaching pros around. Great tips for nutrition, gear, and fine-tuning your form. Killer ideas to keep you motivated. Ten high-performance meals you can prepare in less than ten minutes. It's everything you need to start fresh, keep your options wide open, and realize your fitness dream

World Champion surfer Andy Irons—our May coverboy—has a pre-season workout that proves pro-surfing's not for slackers. See if you can keep up.

Are the vitamins, minerals, and other nutrients packed into everything you chug and chew the real secret to becoming a finely tuned sports superstar? Turn the page.

Building a Kicker

When it comes to winter sports, there are skills, and there are skillz. We're talking about catching big air off the halfpipe, making like Apolo Ohno on skate-skis, building a perfect snow ramp for launchpad jumps, and climbing a frozen waterfall. Ready to get with it? Then listen to the mad wisdom of pros who know.

True fitness follows the adage "Use it or lose it." Turns out the brain follows the same rule.

Getting fit is one thing. Staying fit is another.

One Hiit Wonderful

Stay nimble with our foolproof, made-to-order regimen

Forget what you've heard about calories, pounds, carbs, or miles—the adventure athlete's real secret to optimal weight is all about energy management

Train as hard as you want, but until you've tapped the secrets of top-notch form you'll be all go and no flow

Come, stymied climbers, stalling cyclists, and ragged runners--behold the year's top ten fitness trends. We promise they'll punch up your performance.

Calling all fitness Luddites and low-tech aerobic warriors—it's time to change your ways. Let us unlock the mysteries of heart-rate training and help you maximize your workouts.

Fall Special: The Indoor Climber's Guide to Gear, Training, and Access

A Definitive Directory to the Top Careers in the Outdoors