The "updated" part of your search is crucial. CTGP is a "live" mod. Once you have the base v1.03 files, the CTGP Channel will prompt you to download the latest patches, track updates, and security fixes automatically. How to Set Up CTGP Revolution (2024/2025 Method)
Nintendo legally attacks distribution of full ISO/WBFS files. Consequently, you cannot simply download a pre-made CTGP Revolution v103.wbfs from an official source. Instead, you must using a patcher, then convert it to WBFS. This article will show you how. ctgp revolution v103 wbfs updated
: Includes 216 custom tracks plus the 32 original Nintendo tracks, totaling 248 courses. The "updated" part of your search is crucial