Top Lists

We mined Ironman finisher data to find out what it takes to qualify for Kona — and what it means for athletes going forward.

Looking for a little (legal) assist in the swim leg of your next race? Data scientist Alfredo Molinas breaks down the stats to find the fastest Ironman and 70.3 swim courses.

How did the fields compare at the Ironman World Championship races in St. George versus Kona? We dug deep into the finisher data to find out.

Who says you can't sightsee from the water? These open water swim races are a great way to immerse yourself in the views on your next race-cation.

Yes, some Ironman and 70.3 courses are simply faster (or slower) due to the course itself. But that's not the whole story. Take a deep dive into the data from 2021 Ironman and 70.3 races.

Dreaming of where to tri next? These picturesque races offer a reason to gawk at the surroundings of the world's most scenic triathlons while you swim, bike, and run

Gunning for a PR or trying to choose a first-time iron-distance event? We dug into the stats to find seven of the “easiest” Ironman courses that'll help.

We ran the numbers and asked the pros so you can find the easiest 70.3 races in your area. Behold our list of the half iron-distance races with some of the fastest routes to the finish line!

As if tri wasn’t hard enough, pros say these five events are well known for their exceptionally brutal run courses.

According to pros, these bike courses are some of the most grueling on the race circuit. Read on to see if your arch nemesis ride made the cut.

Swirling currents, ice-cream headaches, and even salt-plus-freshwater combos—we asked the pros to rank the toughest swims in the triathlon world.