Racing
Laura Knoblach sets new doubleDECA World Record
Team deboer athlete Laura Knoblach sets a new doubleDECA World Record.
Free guides · The science · Team news
answers that make you faster.
practical, no-fluff guides for swimmers and triathletes — fit, gear, racing and care — written by the people who test suits in a flume for a living. Plus the latest from the deboer team.
Looking for an older post? Browse the archive →
Racing
Jan Frodeno sets new Ironman World Championship record in Kona
Jan Frodeno is #fastestever setting a new Ironman World Championship Course Record in Kona, Hawaii for his 3rd Ironman World Championship...
Racing
Daniela Ryf wins record 5th Ironman 70.3 World Championship
Daniel Ryf claimed her 5th Ironman 70.3 World Championship (2019, 2018, 2017, 2015, 2014) on Saturday in Nice, France, extending her...
Racing
Frodeno takes the IMEU Championship and Ryf dominates at IM Austria
Jan Frodeno wins the Ironman European Championship in Frankfurt.
Guides
How to properly zip and close a deboer wetsuit
In this video Alex de Boer, deboer co-founder and wetsuit designer, demonstrates how to properly zip up and close the neck...
Racing
Maarten van der Weijden swims 200km 11 Cities Tour
Maarten van der Weijden became the first person to swim the 11 Cities Tour, a route typically reserved for the...
Racing
Frodeno and Ryf dominant at home Ironman 70.3 racing
Team deboer takes home multiple Ironman wins this month.
Racing
Ben Kanute wins 3 races over 3 distances in 23 days
Ben Kanute won Ironman 70.3 Oceanside, the CAMTRI Sprint Triathlon America Cup in Barbados, and the St. Anthony’s Olympic Distance Triathlon.
Racing
Daniela Ryf wins the Ironman North American Championship in Texas
Daniela Ryf was first out of the water on her way to victory at the Ironman North American Championship in 8:37:48.