Raelert Brothers

Germany's Michael Raelert has announced he will not compete in the 2011 Ironman World Championship race due to an injury that has plagued him throughout the season.

Germany's Andreas Raelert has announced he will make the start at Ironman Regensburg this weekend, but don't expect him to win the race.

Germany's Michael Raelert will not race in this weekend's Ironman European Championships, due to a hip injury that has plagued him on and off throughout the year.

In this four-part series, which originally aired as a full-length Training Day feature back in May, we take you on-location to experience a real training camp with the Raelerts, including their key running workout, a three-and-a-half hour bike ride, and a five-kilometer pool session.

Germany's Andreas Raelert is getting ready to take the starting line at this weekend's Challenge Roth triathlon in Roth, Germany. See how Andreas and his brother Michael prepared for the 2011 season with this exclusive Triathlete.com video.

Is this new BMC the bike Andreas and Michael Raelert will ride in Kona?

Check out Kurt Hoy's author page.

Andreas and Michael Raelert ride on BMC Team Machine road bikes for the first time in this exclusive video from the Canary Islands.

See a photo gallery of the Raelerts riding together on BMC road bikes while at a training camp on the Canary Islands.

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.

How do two of the top triathletes in the world prepare for the season? Triathlete.com is on location at Las Playitas in Fuerteventura, Canary Islands to follow the most famous brothers in the sport, Andreas and Michael Raelert.