Blog
Deep dives, workflows, and product updates
Explore how Protern is used in daily training, from measurement and data quality to video-based review workflows.
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How the Protern Live Sensor works
An athlete crosses the finish. Before they stop or reach the lift line, the run is on your phone. Timing splits, speed, acceleration, line. About a second after the finish. This...
How to compare ski runs using video and GPS data
Comparing ski runs is not about watching two videos at once. It is about identifying where performance changed, selecting the right reference, and linking that difference to vid...
Product updates
How the Protern Live Sensor works
An athlete crosses the finish. Before they stop or reach the lift line, the run is on your phone. Timing splits, speed, acceleration, lin...
Protern Cloud: automatic video sharing inside Protern Video
Protern Cloud enables automatic video sharing inside Protern Video. Learn how teams use it to deliver footage across devices and to athle...
Protern Video Version 2.0.2 - Acceleration overlays, clearer comparisons, and improved multi-cam control
Protern Video adds acceleration overlays, clearer side by side speed comparisons, and more flexible multi cam review to support faster, m...
Training and analysis concepts
How to compare ski runs using video and GPS data
Comparing ski runs is not about watching two videos at once. It is about identifying where performance changed, selecting the right refer...
What coaches should look for in slalom video and GPS data review
Slalom exposes timing, rhythm, and tactical precision more than any other discipline. This guide explains what coaches should look for in...
How to analyze alpine ski racing performance with video and GPS data
Video shows what happened in a run. GPS athlete data shows the impact, frame by frame. Combine both to pinpoint where performance changed...
Measurement and data quality
Video analysis vs ski timing systems in alpine ski racing
Timing systems tell you the result. Video and GPS analysis help explain the cause. This article compares ski timing systems with video an...
GPS ski analysis explained for coaches
GPS athlete data is often discussed, but rarely explained in practical terms for ski coaches. This guide breaks down what GPS measures in...
Clearer acceleration and lateral force feedback in Protern
Speed data in Protern is now lightly smoothed to reduce measurement noise. The result is clearer acceleration and lateral force feedback ...
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How the Protern Live Sensor works
An athlete crosses the finish. Before they stop or reach the lift line, the run is on your phone. Timing splits, speed, acceleration, lin...
How to compare ski runs using video and GPS data
Comparing ski runs is not about watching two videos at once. It is about identifying where performance changed, selecting the right refer...
What coaches should look for in slalom video and GPS data review
Slalom exposes timing, rhythm, and tactical precision more than any other discipline. This guide explains what coaches should look for in...
Video analysis vs ski timing systems in alpine ski racing
Timing systems tell you the result. Video and GPS analysis help explain the cause. This article compares ski timing systems with video an...
GPS ski analysis explained for coaches
GPS athlete data is often discussed, but rarely explained in practical terms for ski coaches. This guide breaks down what GPS measures in...
How to analyze alpine ski racing performance with video and GPS data
Video shows what happened in a run. GPS athlete data shows the impact, frame by frame. Combine both to pinpoint where performance changed...
Multi-camera video review in alpine ski racing
Multi-camera video is common in alpine ski racing, but managing files and aligning angles can slow review. This guide explains how multi-...
Understanding acceleration in alpine ski racing
Acceleration analysis shows where athletes are accelerating, holding, or braking inside the turn. Learn how coaches use acceleration over...
Protern is used by a majority of alpine ski teams preparing for the Olympic Games
GPS-based performance and video analysis is now standard across elite alpine ski programs. Here is how national teams use run-by-run data...
Protern Cloud: automatic video sharing inside Protern Video
Protern Cloud enables automatic video sharing inside Protern Video. Learn how teams use it to deliver footage across devices and to athle...
Protern Video Version 2.0.2 - Acceleration overlays, clearer comparisons, and improved multi-cam control
Protern Video adds acceleration overlays, clearer side by side speed comparisons, and more flexible multi cam review to support faster, m...
Clearer acceleration and lateral force feedback in Protern
Speed data in Protern is now lightly smoothed to reduce measurement noise. The result is clearer acceleration and lateral force feedback ...