Polar RCX3F Run Heart Rate Monitor Computer Watch

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

A sports watch with GPS for runners, cyclists and fitness enthusiasts who want guidance to reach their goals
  • Training Benefit gives you instant feedback after your session
  • Helps you train at the right intensity with personal sport zones
  • Compatible with Polar running, cycling and GPS sensors
  • Improves performance with endurance training programs, downloadable for free from polarpersonaltrainer.com with the Polar DataLink
Fitness Test
  • Tells you exactly how your fitness is developing
Training Load
  • Shows you how your training affects your body
ZoneOptimizer
  • Ensures you always train at the right intensity
Running Index
  • Illustrates how your running performance is developing
Training Benefit
  • Motivating feedback straight after exercise
Endurance Programmers
  • Guiding you to improve your running and cycling performance
Smart Calories
  • Lets you know exactly how many calories you’ve burned
In the box
  • Polar RCX3 training computer
  • Polar H3 heart rate sensor
  • Polar s3+ stride sensor
  • Polar DataLink data transfer unit
  • RCX3 getting started guide
  • s3+ stride sensor user manual


Occasionally, without notice, manufacturers change product design and/or specifications.