Photos from the 2014 Challenge Kraichgau – a race won by Sebastian Kienle and Julia Gajer. But moving forward this will be an Ironman 70.3 event.

Muscle cramps are the bane, and the mystery, of the endurance sports world. Why do we cramp? Fitness, physiology, or diet? What can you do beyond training more and pacing well?

The Weekend Box brings you a thrilling come-from-behind XTERRA win at Richmond, Irish-British winners at the hilly Wimbleball, and a finish chute collapse in Huatulco.

Joe Gambles broke his own race record to win his fourth straight Ironman 70.3 Boulder title; Jodie Swallow won with the second-fastest women’s time ever.

The Scott Plasma of 70.3 World Champion Sebastian Kienle had hidden brakes front and back, and a few other interesting details including a nifty paint scheme.

Sebastian Kienle smashed the bike segment on the way to a very comfortable win at Challenge Kraichgau. For Julia Gajer it was a much narrower decision over Gina Grawford.

Athletes who are racing in the 2014 Challenge Kraichgau are likely sleeping as we share this pre-race gallery, but there also was another race happening today.

The AeroCamp 2.0 is currently taking place in Mooresville, NC at the A2 Wind Tunnel and we visited this event during the first day and bring you now these impressions.

The fight for a race in Kraichgau, Germany has taken yet another twist and appears to be now be run under the Ironman label after all, in a very confusing reversal of fortunes.

We ran into Aussie Pro John Polson at the AeroCamp 2.0 at the A2 Wind Tunnel and we snagged his Parlee TTi race bike and took a closer look.

Matt Sharpe is on the Canadian development team and is currently in a training camp in Vitoria Gasteiz in Northern Spain with fellow Canadians and the Wollongong Wizards.

This week we noticed the Brooks Heritage Collection, Spinlister bike rental service, Bungalow Munch granola, Boulder Cookie Project and clever cable assistants.

Weeks after turning 18, this Mexico City talent was first overall amateur at XTERRA Worlds; he’s making pro podiums this year and coach Lesley Paterson predicts Mauricio Mendez will soon be XTERRA World Champion.

Polar’s got a lot riding on its new intro, the V800. There are pluses and minuses versus Garmin’s 910xt, but overall Polar establishes a mighty platform for now and the future.

This past weekend 1208 athletes jumped from a ferry near Cape May, NJ to challenge themselves in the Escape The Cape triathlon and we surely noticed.

Weekend events bring joyous accounts of the oldest men’s Ironman winner, more action in Cairns, Canadians atop the Idaho podium, excitement in Kansas and more

It wasn’t all about the bike, but that was the key ingredient in the hard-fought victories of Andrew Starykowicz and Heather Wurtele at Ironman 70.3 Eagleman.

A few days back we spent a day with NASCAR Sprint Cup driver Josh Wise and today we share a chat we had with this fast and passionate age group triathlete.

John Summerson’s new edition of Climbing by Bike in California adds color and depth to the lifestyle of a training cyclist and multisporter. It’s both a field guide and a devotional.

This week we stumbled upon the Zoot Solana running shoes, myFloat dry bag, Spurtreu alignment tool, WahooTickr heart rate monitor, bananas, accidents and thievery.

We update our big rim width database for 2014. New for this year – not only are outside rim widths listed, but also internal widths for clincher rims. Read on for all of the details.

We have spent time with the Thule RoundTrip Transition hard shell bike travel case and you can learn here how we felt about this impressive looking box.

Last summer Xiao Wang started a One Shot At Kona thread in our forum and he was mocked and encouraged, and at the recent Ironman Texas he used that single bullet.

Young Aussie Sam Douglas is spending a few months in the USA and when he raced the 70.3 Raleigh we looked closer at his Merida Time Warp race bike.