Apple unveils new Watch models with enhanced heart rate sensing — image accompanying Canadian Running's report. Image accompanying Canadian Running’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Apple introduced the Watch Ultra 4 and Series 12, boasting superior heart rate sensing. The Ultra 4 also offers precise GPS tracking. These features result from the new Health Sensing System and S11 chip.
The new watches feature longer battery life, faster charging, and more accurate distance measurement. A new readiness feature provides a 0-10 score based on activity and vitals. The Ultra 4 has a Max Extended Workout mode for long-distance tracking. Read more gear coverage.
The redesigned pedometer offers real-time step tracking. The watches use electrical and optical sensors for continuous heart rate monitoring. The Ultra 4 starts at $1,099, and the Series 12 at $549, available for pre-order now. Related: New Balance SuperComp Elite v6: A Lightweight, Durable Racing Shoe.
This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.
Reader questions
Questions about this report
What should runners know about Apple unveils new Watch models with enhanced heart rate sensing?
Apple's latest Watch models promise improved accuracy and new features. Apple introduced the Watch Ultra 4 and Series 12, boasting superior heart rate sensing. The Ultra 4 also offers precise GPS tracking. These features result from the new Health Sensing System and S11 chip.
When did Runner World publish this gear brief?
Runner World published this brief on September 10, 2026. The underlying Canadian Running report was dated September 10, 2026.
Where can readers find the complete original report?
This summary is based on reporting from Canadian Running. The attributed source link in the article leads to the publisher’s complete report.
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