Winter Challenge 24/25
Welcome to the Winter Challenge helper site. It has been designed to give you direct access to tools written specifically to help you in entering scores into the score system. Additionally, you can access a range of tools that will help you more generally with your training, ranging from calculating LTHR Heart Rate and Power Zones, to distance conversion. The tools can be accessed below and are categorised according to their use.
Free Training Platforms to use during the Winter
