We look at the recently revised tire sealant formula from Italy-based Effetto Mariposa. The product name remains the same, but the sauce is said to be much improved.

Today we are featuring a guest opinion piece by Ulrich Fluhme about age group doping. Ulrich runs the Gran Fondo New York and is also a member of the ST forum.

Today we take a closer look at the ultra light Mad Fiber wheels, which we had in our hands for a long-term test and all the test bikes that had them mounted were seeing instant signs of a successful diet.

Felt has been skating along on its flagship B series mold for 5 years. Rather than downscale its newer DA mold, Felt chose to built a new B series mold from the ground up. Here’s the B12 built on that chassis.

The 2012 Challenged Athletes Foundation San Diego Triathlon Challenge was held last Sunday and Rich Cruse was there to capture this truly inspiring event.

Boulder, CO based coach Neal Henderson is a very busy man and among his flock of athletes are Cameron Dye, Flora Duffy and Taylor Phinney. We were able to pin him down in between trips around the world.

Do swim skins really work? Are they worth the money and effort in a no-wetsuit swim? This is the question we set out to answer in this, the first of our time-test reviews of entries in the swim skin category.

Nope, this isn’t about freezing your body, so you can win your age group in the 23rd century. It’s about a therapy that’s been around since the 17th century (but so was bloodletting).

Here is a look at the top 15 overall men on the run at the 2012 Ironman World Championships with their respective run splits and details of their running shoes.

The UCI and the ASO have agreed to strip Armstrong of Tour titles. Oakley dropped Armstrong today, and SCA Promotions has just sent a demand letter asking for $7.5 million.

Tim Berkel stomped the bike and held off Tim Reed on the run to take the SunSmart Ironman 70.3 Mandurah and with it the Australian Championships. Melissa Hauschildt took the women’s title over Liz Blatchford.

We review the 2013 Zipp Super-9 Carbon Clincher disc wheel. Claimed to be the “fastest wheel ever”, we take a close look at this new disc to find out for ourselves just how fast it is.

While we were in Kona we had the opportunity to snap a few pics of Ben Hoffman’s Specialized S-Works Shiv. He though was there to train and not to race.

Javier Gomez won a furious duel with Jonathan Brownlee to win the ITU Grand Final as Brownlee’s runner-up sewed up the World Triathlon Series points championship on a rainy day in Auckland.

Top age-group athlete Kevin Moats was banned for a positive test for testosterone. However, his ban was reduced by an arbitration panel from 2 years to 1, triggering changes in WTC’s anti-doping policies.

Australian Aaron Royle edged Fernando Alarza of Spain and Non Stanford of Great Britain outran Sarissa DeVries of the Netherlands to win the ITU U23 Grand Final crowns in Auckland, New Zealand.

Anne Haug of Germany made up 35 seconds with a solo bridge on the bike and a huge surge the last 2k of the run to win the ITU WTS Grand Final; Lisa Norden of Sweden finished 4th in the GF and won the season-long World Triathlon Series title.

We analyze the evolution of bicycle bolts, which now include a relatively new standard, called Torx. We cover what it is, how it works, and the performance advantages.

We thought we’d do a quick refresher for those of you that haven’t
heard of our “Enhanced Results” feature or for those of you that
haven’t visited in a while.

During the bike check-in in Kona we noticed Efraim Manzano who had Crocs mounted to his pedals. He indeed rode with them during this race, and then he switched to another pair of Crocs to run the marathon in those.

(updated: several more sponsors out) Nike severs a longstanding relationship with Lance Armstrong, and the pressure is on Trek, Bontrager, SRAM, Oakley to make a decision on cycling’s most loved and hated superstar

Jordan Rapp has been kind enough to share both his winning Quarq power file from New York, as well as his power data from Kona and TrainingPeaks provided an analysis of the data.

As the men and women began the run, superstars enjoying substantial leads. By the end, Marino Vanhoenacker’s 8-minute lead led to a DNF, Leanda Cave erased Caroline Steffen’s 3-minute advantage. Photo Gallery by Timothy Carlson.

It was a race of surprises that began with a slower than usual swim, an irritating side winds on the road to Hawi that worked like body punches on the top contenders. Photo Gallery by Timothy Carlson.