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The case of the swimmer who apparently went missing on Saturday afternoon off the coast of La Jolla, Calif. has taken an interesting turn.

Just a few days after the collision, which left him with several serious injuries, McDonald posted a blog post on Alexmmtri.com thanking everyone for their support and giving a detailed breakdown of how the crash happened.

Rescue crews have been scouring La Jolla Cove in La Jolla, Calif. for a man who was reported missing late Saturday afternoon.

Dan Hugo and Carina Wasle open the season with victories at today's Xterra South Africa Championship.

Dan Hugo gives us his take on the local triathlon scene in his hometown of Stellenbosch, the best spots for training and where to find the best lunch buffet in town, just in time for this weekend’s Xterra South Africa race.

The winner of this past weekend’s Livestrong Austin Marathon (2:50:35) chats with Triathlete.com about juggling her running aspirations with triathlon goals and charity work.

Professional triathlete and medical doctor Alex McDonald has been seriously injured after being hit by a pickup truck on a bike ride Thursday in his hometown of Durham, N.C.

Sean Jefferson, a 3:56 miler, took up triathlon after running injuries forced him off the track. He gives advice to other injured runners moving to triathlon, and tells Triathlete.com about his successes and struggles in multisport.

Can they save you a few a seconds, or even minutes, on race day or will wearing them make you more susceptible to injury? Mario Fraioli weighs in!

Inside Triathlon editor-in-chief Courtney Baird breaks down what happened in the triathlon twitter world this week.

Get a look at David Thompson's unconventional way of taking on nutrition in an iron-distance race.

Triathlete has partnered with multisport video pioneer Endurance Films to bring readers the first installment of the five-part USA Triathlon DVD series, “Getting Started,” featuring tips from legendary triathlete and coach Mark Allen.

Amine Britel passed away after being hit by a car while cycling in Southern California on Monday evening. Britel competed in the 1992 Olympic Games in Barcelona as a member of the 4 x 400 meter relay team and has participated in ITU Age Group World Championships.

A preview of the 2011 TriGrandPrix Race Series.

Fresh off of a smoking hot rookie year, pro triathlete Gwen Jorgensen is gearing up for a big second season.

USA Triathlon says that drug testing at the USA Triathlon Age Group National Championship in Tuscaloosa, Ala. was welcomed by participating athletes and that all results came back negative.

The Schriever Fitness Center on the Schriever Air Force Base in Colorado is giving its members the opportunity to complete 2.4-miles of swimming, 112-miles of biking and 26.2-miles of running, the distance of an Ironman, over the course of 28 days.

This week in "Ask Aaron", Aaron addresses the issues of if you should upgrade your components and the difference between lower and higher priced wetsuits.

Why simple sugars are better than complex carbs in sports drinks and other ergogenic aids.

Professional triathlete and swim coach Sara McLarty explains the benefits of the fingertip drag drill and how to properly execute it.

Jonathan Hiipakka, an age-grouper from Michigan, has had two open-heart surgeries to replace his aortic valve with a pig valve, a fix that should last between 10 and 15 years. Due to Hiipakka’s triathlon training and racing, however, his first valve needed to be replaced after only eight years.

The International Triathlon Union (ITU) has named the 20 athletes that will start out the 2011 ITU World Championship Series (WCS) as gold group athletes. The list does not include any American triathletes.

Retrain your stride to reduce impact and injury risk.

Inside Triathlon magazine announces its picks for the 10 greatest male iron-distance triathletes of all time.

Torbjørn Sindballe shares with Triathlete.com on life since Ironman—his new company, his life in Denmark, his thoughts on the Kona Pro Ranking System and his picks for future Ironman champions.

Professional triathletes turn to social media to share their reactions to the devastating earthquake in Christchurch, New Zealand.

Three-time Ironman world champion Chrissie Wellington has posted her drug test history dating back to 2008 on her website and says she will update it regularly in an attempt to call attention to the need for stringent drug testing and to "provide proof that athletes can achieve great things without the need to cheat."

New research suggests keeping training enjoyable is more important than you might think.

Olympic triathletes Emma Moffatt and Brad Kahlefeldt kick-started their 2011 World Championship campaigns with victories in the Australian Sprint Triathlon Championships in Geelong.

Seven-time Tour de France winner Lance Armstrong finished the Livestrong Half Marathon in his hometown of Austin, Texas in a time of 1:22, according to his twitter.

Several top professional triathletes chose to escape the frigid winter to kick off their seasons in tropical Costa Rica.

The United States’ Nathan White and Great Britain’s Leanda Cave took the duathlon titles at today’s Desert Classic Duathlon at McDowell Mountain Regional Park, just outside of Phoenix, Ariz.

The weekend after announcing that he is permanently retiring from cycling, Lance Armstrong has said via his twitter that he will competing in Sunday's Livestrong Half Marathon in his hometown of Austin, Texas.

A few tips from triathlon professionals on how to race in the tropical heat without burning out.

Several of the sport's top professionals have traveled to Costa Rica for Sunday's Rev3 Costa Rica triathlon. The group gathered for fans and media to answer questions at the pro panel. Here's how the athletes answered some of the questions posed to them during the panel.

Inside Triathlon senior editor Jennifer Purdie spoke with Amanda Lovato about her upcoming Rev3 Costa Rica race and her goals for 2011.

Prior to taking on the tropical course of Rev3 Costa Rica, members of Team Trakkers shelled out advice on how to stay hydrated in hot and humid race conditions.

Traveling to Costa Rica for this weekend's Rev3 Costa Rica Triathlon has come with a few surprises, including the amount of critters along for the ride.

Inside Triathlon editor-in-chief Courtney Baird breaks down what happened in the triathlon twitter world this week.

A sneak peek at four of the running shoes K-Swiss will be releasing over the next year.

One of Great Britain's top ITU triathletes has announced his retirement from the sport after deciding to concentrate on his studies rather than compete for a place at the 2012 London Olympics.

New Zealand's top two Olympic-distance triathletes, Bevan Docherty and Kris Gemmell, are set to face off at Sunday's Takapuna Triathlon in New Zealand.

Sometimes it pays to run out of gas.

Triathlete photo editor Nils Nilsen had a chance to catch up with world champion Mirinda Carfrae and her new bike sponsor Felt Bicycles in the San Diego Low Speed Wind Tunnel.

With the Rev3 Costa Rica race taking place this weekend, we have a look at the pros and cons of triathlon training and racing in this special country.

Triathlete magazine Senior Tech Editor Aaron Hersh has worked with the top professionals in the sport, and now he’s putting his knowledge to work for you with his new, exclusive to Triathlete.com, “Ask Aaron” column.

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Inside Triathlon senior editor Jennifer Purdie interviews pro triathlete Kelly Williamson about her upcoming Rev3 race in Costa Rica and what's on the schedule for the 2011 season.

Unlike most professional sports teams, the nine members of the Trek/K-Swiss triathlon team spend most of their time thousands of miles apart, meeting up at an occasional race. Find out where the teammates are headed now that the team camp is coming to an end.

Hear from 2010 Ironman UK winner Fraser Cartmell from the 2011 Trek/K-Swiss triathlon team camp. Cartmell talks about overcoming jet lag and what he's got planned for the early part of 2011.

Australia's Joe Gambles talks about his time with his Trek/K-Swiss teammates and explains how he'll prepare for next month's Abu Dhabi International Triathlon.

Seven-time Tour de France winner Lance Armstrong's announcement that he will retire from cycling for good has many questioning if it also means he will renege on his previous statement that he will return to the sport of triathlon in 2011.

Julie Dibens' coach Mat Steinmetz fills us in on Dibens' morning workout at the Trek/K-Swiss triathlon team camp in Kona, Hawaii. Dibens is logging the miles to prepare for next month's Abu Dhabi International Triathlon, where she is the defending champion.

A recap of the third day at the Trek/K-Swiss team camp from Kona, Hawaii. Get an inside glance on the athletes' workouts and the rest of days activities.

Reigning Ironman world champion Chris McCormack has announced that he will pass on the opportunity to defend his title at the 2011 Ironman World Championship, and will instead go for a spot on Australia's 2012 London Olympic team.

After Lance Armstrong’s official retirement from cycling—or “Retirement 2.0” as he’s dubbed it—the triathlon community may wonder: does this mean he’s dedicating himself to being a triathlete?

The best field of long course pro triathletes outside the Ironman World Championship in Kona will come together in the United Arab Emirates on March 12 for the Abu Dhabi International Triathlon (ADIT).

In a telephone interview with the Associated Press, Lance Armstrong announced what he is calling "Retirement 2.0" from cycling and says he is done for good this time. Armstrong did not touch on the subject of his return to the sport of triathlon.

Check out these images from Day Two at the Trek/K-Swiss triathlon team camp in Kona, Hawaii.

The first day of Trek/K-Swiss triathlon team camp was all about the athletes reuniting after the off season, but on day two the athletes focused on seriously preparing for the rapidly approaching season.

Aaron Hersh breaks down the Trek Speed Concept 9.9 that helped American Chris Lieto ride to a field-leading 4:23:17 bike split at the 2010 Ironman World Championship.

Ironman world championship podium finisher Julie Dibens breaks down main workout of the second day of the Trek/K-Swiss Triathlon Team Camp from Kona, Hawaii.

Hop aboard your Trek Speed Concept and go along for a ride with the Trek/K-Swiss team members on the Big Island of Hawaii. The ride took place on Tuesday, Feb. 15, the second day of the camp.

Xterra pro Dan Ugo provides three tips for making a successful transition to the off-road world.

Chris Lieto and Julie Dibens, the male and female bike leaders from the 2010 Ironman World Championship, go for a ride together on the Big Island before the start of the Trek/K-Swiss triathlon team camp at the Mauna Lani Hotel.

Inspired by a Chrissie Wellington tweet, Triathlete senior editor Jene Shaw explains how to properly do a single leg squat.

Great Britain's Helen Jenkins tells the Guardian UK newspaper that she often pictures running through Hyde Park, which will be part of the 2012 Olympic triathlon course.

Lesley Paterson joined Team Trek/K-Swiss literally days ago. She is spending part of the training camp getting acquainted with her new bike, the Trek Speed Concept 9.9.

Although no official announcement has been made by either side, it is now clear that two-time defending Ironman 70.3 World Champion Michael Raelert will not be a part of the 2011 Trek/K-Swiss Triathlon Team.

Dr. Jordan Metzl identifies the symptoms of IT Band Syndrome, or Runner's Knee, and offers advice for treatment & prevention.

Lesley Paterson, the newest addition to the Trek/K-Swiss team, talks about her first day at the training camp here in Kona, Hawaii.

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If you aren’t familiar with them yet, we fill you in on the cast of characters that make up the 2011 Trek/K-Swiss team roster.

Australia's Mirinda Carfrae won the 2010 Ironman World Championship on a Cannondale Slice, but she switched to Felt this winter.

Australia's Leon Griffin and Madeline Oldfield beat out a tough field of early-season racers to take home the top shares of the $10,000 prize purse available at this weekend's Falls Creek Long Course Triathlon in Falls Creek, Victoria, Australia.

Let’s be honest: there’s no shortage of flowery, girly triathlon apparel out there. Even if you typically prefer to blend in with the guys (this editor included), your acceptable opportunity to go pink overboard is Valentine’s Day. Go girl it up with one of these products.

The couple who runs together, stays together…right?

Inside Triathlon magazine announces its picks for the 10 greatest female triathletes of all time.

The swimming leg of the Olympic triathlon at the 2012 London Games will take place in Hyde Park's Serpentine lake after local government officials gave permission for the construction of spectator seating and a pontoon.

Matt Reed went to the A2 Wind Tunnel in the heart of Nascar country in Charlotte, N.C. to refine his position with the help of A2’s Bicycle Specialist Mike Giraud.

The second annual Street Swell Winter Triathlon will wrap up the 2010-11 Pedal Power Snowshoe Adventure Series Feb. 19 in Leadville, Colo.

There's plenty of blame to go around.

American Jarrod Shoemaker is leading a charge to make draft-legal triathlons available to more triathletes in the United States.

The 2011 Trakkers-Rev3 Triathlon Team is showing off its racing and training kits for the 2011 season. The kits were custom-designed by San Diego, Calif.-based Betty Designs.