There's a closed pull request on the void-packages repository

New package: GoldenCheetah-3.5
https://github.com/void-linux/void-packages/pull/23839

Description:
Performance Software for Cyclists, Runners and Triathletes

http://www.goldencheetah.org/

Free alternative to garmin connect.

NOTE: qwt is included in the source, it is a /different/ branch of qwt than the stable one void ships. I did try to compile using the qwt from void but it fails.