Polar RS400SD Running Computer and Polar RS400 SD Heart Rate Monitor

The Polar RS400sd adds in running speed, pace and distance with the S1 foot pod, so the active runner who runs multiple events each year can monitor all elements affecting performance. The Running Index feature will help the athlete to improve their running efficiency, which in turn indicates an improvement in their economy of running performance.

The Polar RS400sd Running Computer is for the active runner who runs multiple events each year; demands more information and analytical feedback; and wants to shave off minutes and seconds from their personal best with proper training and planning. The RS400sd is your system for planning, monitoring and analyzing your running. With daily information on your aerobic fitness and running economy, the RS400sd meets your needs as an active runner with racing aspirations. Comes with the same running features as the RS400, plus detailed speed//pace and distance tracking.

New Features

• Running Index – The Running Index is based on your heart rate and speed data measured during the running exercise. It gives daily information about the runner’s performance level, including aerobic fitness and running economy. Improvement in running efficiency indicates improved economy of running performance.
• Training Planning with Polar ProTrainer 5 – The new Polar ProTrainer 5 is the most advanced and dynamic training, planning and analyzing software on the market. Easily prepare a detailed training program and transfer your daily training plan to your Polar Running Computer via infrared technology.

Benefits and Main Features

• ECG Accurate Heart Rate – Absolute (bpm) and relative (% HRmax) heart rate – easy to check and follow your workout intensity. Helps you train at your desired intensity.
• Polar Fitness Test with OwnIndex – Predicts your maximal oxygen uptake (VO2max) based on gender, age, height, body weight, level of physical activity, hear rate, and heart rate variability at rest.
• OwnOptimizer – The training optimizer shows the status of your training load and helps you find the perfect balance between training and recovery.
• Polar OwnCal – Displays calories burned during your run and shows your calorie expenditure after your run.
• Polar S1 Foot Pod – The Polar S1 Foot Pod combines inertial technology and digital signal processing, which provides accurate speed and distance measurement.
• 99 Memory Files – Automatically stores all running data from your last 99 runs.
• 99 Laps with Total Recall – Lap time, split time, heart rate and average lap heart rate. This feature also automatically identifies your best lap time, average lap time, average lap speed/pace and lap distance.
• Polar Sport Zones – Polar sport zones provides an easy way to select and monitor the intensity of your training and to follow Polar’s sport zones based training programs.
• Automatic Lapping – With this feature you can set your running computer to take laps based on distance; for example, every 1 km.
• Interval Trainer – Allows you to create and name your favorite time and/or heart rate. Speed/pace or distance guided workouts with up to three linked timers and up to three target zones.