Three separate documents can be dowloaded:
- The biker’s guide to ITRS:
This file is the ITRS guide for bikers that want to familiarise with the ITRS trail rating system.
- The Land Manager’s guide to ITRS:
This file is the ITRS guide for land managers, trail raters and all others that are curious about the detailed specification and application logics of the ITRS.
- The graphic toolbox:
This package contains all ITRS graphics in *.png and also contains an *.ai file for professional users.
Make sure to read our licensing conditions here.
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The biker’s guide to ITRS
The land manager’s and trail rater’s guide
The graphic toolbox
The Endurance level calculator can also be downloaded here.