4 Zipp employees traveled to the A2 Wind Tunnel in Mooresville, NC just before the holidays to test a bunch of wheels and tires and we were allowed to stop by.

We review a high tech pair of aluminum wheels from American Classic, the Argent Tubeless. With wide rims, bladed spokes, and feathery weight, they could be just what your tri bike needs.

Some of the wonderful personalities, beautiful faces and irrepressible spirits of triathlon caught in split second unguarded moments or in carefully calculated poses this past year. Photo Gallery by Timothy Carlson.

Assos _S7 T.Équipe bib shorts arrived at our editor-in-chief’s home office in a fancy launch box and we decided to peel back the layers of that box for our readers.

Alistair Brownlee ran a 28:32 10,000 meters on a track at Stanford, Victor Del Corral ran 2:37:29 to win Ironman Florida, Mirinda Carfrae ran 2:50:38 at Ironman Hawaii. Photo Gallery by Timothy Carlson.

As we approach 2014, we examine a simple question: Is mechanical shifting still relevant in triathlon? What brands do it right? How do you optimize your existing bike?

Another year is about to come to an end and our We Noticed tumblr site has been busy. Our editor-in-chief selected his favorite images submitted in 2013.

Andrew Starykowicz smashed his own Ironman-distance bike record, Mirinda Carfrae broke 5 hours at Kona and good times were had by many on two wheels. Photo Gallery by Timothy Carlson.

From Eilat to Wildflower, Mission Bay to Maui, Pacific Grove to Kona — some of Timothy Carlson’s favorite shots of the fine art of triathletic hydrodynamic propulsion.

In this Weekend Box we cover beautiful images by Ali Engin, a Sprint Tri in New Zealand won by Cam Brown, and lavish media attention for Frederik Van Lierde in Belgium.

Some of Timothy Carlson’s favorite rants, soliloquies, meditations and one liners to be found in blogs, newspapers, magazines and online comments directed at triathlon in 2013.

Francis Mourey from France stormed to the win at the Namur World Cup and held off Belgians Klaas Vantornout, Niels Albert and Sven Nys on their soggy home turf.

American Katie Compton prevented the comeback of Marianne Vos at the Namur Word Cup cyclocross event and here is a gallery by Tom Prenen.

We review a unique shoe from Altra, the Provision 1.5. It has two things that seem to elude many brands – zero heel-toe drop and stability features.

Hot on the heels of the October 31st news that WTC added the Challenge Kraichgau race to its portfolio, the 8 mayors of the communities touched by this popular Germany triathlon have decided to partner with Challenge Family moving forward.

In this Weekend Box we feature a talented young swimmer in Estonia, Santa themed runs gaining popularity and a cool new shop in Arizona.

We looked closer at the Culprit Croz Blade of Jordan Jones. The Golden Colorado based Pro initially had it built with rim brakes but switched to disc brakes recently.

We examine bicycle crank arm length and the way it influences gear ratio. Should your chainring and cassette sizes change along with your crank length? Let’s find out.

Tall headset top caps are my great while whales. I don’t want to eliminate them, just cut them down to size. John Cobb to the rescue.

We review a pair of carbon wheels from Vision Tech, the 55 front and 81 rear. We tested the tubular version, but they are also available as carbon clinchers.

The Challenge Family surrendered twice to takeovers of their licensed races by World Triathlon Corporation, but this time in Germany it was different – Challenge stood its ground.

While Boulder is subject to regular bouts of ice and snow cycled in with rejuvenating days of sunshine and mild temperatures from fall into spring, triathlon training must go on. Photo gallery by Timothy Carlson.

Triathletes discovered Hokas, but are still wondering: Bondi or Stinson? Here’s a comparison of the two.

This week we bring you the wedding of celebrated triathletes in Colorado, a 70.3 race Down Under, a resolution of a PR disaster, and an executive shakeup at Competitor Group.