Metabolic Athlete™ Blood Lactate Testing – NOW AVAILABLE!

BLOOD LACTATE TESTING IS NOW AVAILABLE! WHAT IS LACTATE TESTING? The term “Lactate Testing” generally means testing your Blood Lactate concentration at various levels of increasing effort to help determine your lactate threshold, training zones, and benchmark your overall fitness for various types of sports including ROWING, RUNNING, and CYCLING, among others. This is oftenContinue reading “Metabolic Athlete™ Blood Lactate Testing – NOW AVAILABLE!”

Metabolic Testing & VO2Max

SPECIAL OFFER (through January 2022): Apply for a chance to earn a free VO2 MAX TEST + TRAINING CONSULT as part of an ongoing research study with our partners at PhysIQ! Limited to the first 10 participants per age group, so APPLY NOW at: EARN A FREE VO2 TEST: APPLY FOR RESEARCH STUDY SCHEDULEContinue reading “Metabolic Testing & VO2Max”

Lakeshore Landshark Indoor Triathlon

Has the fall season put an early end to your 2021 triathlon season? Even though outdoor triathlons are winding down, you don’t have to let the cooler weather slow down your triathlon fitness goals! Get motivated with an early kickstart to your 2022 training goals by completing in the Lakeshore Landsharks Indoor Triathlon @ LakeshoreContinue reading “Lakeshore Landshark Indoor Triathlon”


Taking our passion of photography and video analysis to the next level, we’re now offering a new 4K UNDERWATER SWIM ANALYSIS service to help swimmers and triathletes or all levels – from beginners to elites! There is no better way to identify areas for improvement than truly seeing yourself from every angle, in high quality,Continue reading “4STAR’s 4K UNDERWATER SWIM STROKE VIDEO ANALYSIS”

LEON’S TRIATHLON is coming back!

4 STAR ENDURANCE is proud to support LEON’S TRIATHLON – one of our favorite local races and the unofficial start of summer “kickoff to triathlon season” for the Chicagoland area! Register online at and join us at this year’s race! As a new perk this year, for every person who registers for the race,Continue reading “LEON’S TRIATHLON is coming back!”


#SwimSafe #LadyBugProject #FreeSwimBuoy #PassItOn (in one year) The #SwimSafe #LadybugProject was started by Coach Chris in 2019 as he was completing his 100th outdoor triathlon (achieved while attempting an unprecedented “quintuple” Chicago Triathlon challenge!). Coach Chris decided to celebrate his 100th triathlon achievement by offering 100 FREE SWIM BUOYS TO ANYONE in order to encourageContinue reading “The #SwimSafe LADYBUG PROJECT”

Take the January 2021 Multisport Research Survey!

4 STAR ENDURANCE is supporting MULTISPORT REASEARCH to help the endurance sports industry during these challenging times, and that starts with hearing from you – our athletes and community! We’d really appreciate your input on an anonymous survey to better understand athlete motivations during the current pandemic. Your input is greatly appreciated. Thanks in advanceContinue reading “Take the January 2021 Multisport Research Survey!”

Kickstart your 2021 #DreamingSeason

Do you swim, bike, or run? Whether you’re a cyclist, runner, triathlete, swimmer, OR a triathlete – there are two different “VIRTUAL CHALLENGES” going on right now as part of the 100% completely free USA TRIATHLON #VirtualTri promotions that feature over $5,000 in prizes – a great way to INSPIRE and kickstart your 2021 seasonContinue reading “Kickstart your 2021 #DreamingSeason”

Triathlon Clubs and Communities

Want to join a community of endurance athletes that are motivated to train smarter using TrainingPeaks premium? Consider joining our 4 STAR CLUB! Also, don’t miss these great Chicago-area triathlon clubs and communities! CHICAGO VIRTUAL CYCLISTS (CVC)CVC is a community for cyclists who enjoy cycling indoors on Zwift, Rouvy, RGT Cycling, and other platforms… andContinue reading “Triathlon Clubs and Communities”