Private Swim Lessons – now available!

Looking for a private swim lesson with some of Chicago’s most experienced triathlon and swimming coaches who have a full spectrum of experience from Adult Learn to Swim (ALTS) certifications, all the way up to helping athletes qualify for TeamUSA, win the USA Triathlon (USAT) Club National Championship, IRONMAN Tri Club championships, and even anContinue reading “Private Swim Lessons – now available!”

High Performance Cycling – featuring MyZone!

Join our latest offering from 4 STAR ENDURANCE: HIGH PERFORMANCE CYCLING (HPC)! This is a completely new format of interval based endurance cycling class utilizing both POWER and HEART RATE based training metrics in one class! These classes will offer the ability to customize training to your true metabolism leveraging our latest “Metabolic360” VO2 MaxContinue reading “High Performance Cycling – featuring MyZone!”

Get your Fat vs. Carb Metabolic Efficiency “FatMax” Profile on your Garmin and Cell Phone!

NEW – Korr Medical CardioCoach VO2 Max and Metabolic Efficiency “FatMax” testing now available in Chicago! Precision Matters. Does your heart rate monitor or smart watch reflect your true metabolism? Now you can dial in lab-grade precision of your unique fat vs. carb metabolism just like a professional athlete, and see it in real-time onContinue reading “Get your Fat vs. Carb Metabolic Efficiency “FatMax” Profile on your Garmin and Cell Phone!”

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 Preparation

Getting ready for a metabolic test? Learn more about testing options at http://www.4starendurance.com/vo2max if you have not done so already, and then please note the following Test Preparation instructions when scheduling a metabolic test with us – which includes both VO2, RMR, Metabolic Efficiency Point (MEP), and more! In order to get the most accurateContinue reading “Metabolic Testing Preparation”

Evolving the Sport of Indoor Triathlon

LIVE RACE RESULTS: tinyurl.com/indoortri-resultsUPCOMING EVENTS: 4starendurance.com/eventsLANDSHARK SERIES: LandsharkTriathlon.com ✶✶✶✶ The summer triathlon racing season in the Chicago-area is too short… generally lasting only 3 months (June-August)! So our goal at 4 STAR ENDURANCE to grow the sport of triathlon and address the needs of DIVERSITY, EQUITY, INCLUSION, and ACCESS (DEIA) is what led us toContinue reading “Evolving the Sport of Indoor Triathlon”

4 Star’s Fix A Flat Resources

Want some great fix a flat tips to help practice and build confidence for race day? Watch our 4 STAR ENDURANCE “Fix a Flat” video (link coming soon)! COMING SOON! DETAILED STEPS TO FIX A FLAT: Open BRAKES / brake calipers first Rear wheel only: shift into HARDEST (smallest) rear chainring for easy wheel removalContinue reading “4 Star’s Fix A Flat Resources”


Want to join the LAKESHORE LANDSHARKS, Chicago’s first SWIM-RUN and TRIATHLON multisport club? There are two ways to join us… 1. LAKESHORE LANDSHARKS – CHICAGO’S MULTISPORT “RACING CLUB” COMMUNITY!Simply subscribe to join our LANDSHARK “RACING CLUB” ANNUAL MEMBERSHIP via RunSignup (for only $70.30/year!) to “become part of the club team” and an official member ofContinue reading “LANDSHARK SWIM-RUN & TRI CLUB”