Tiền Phong Marathon
- Website: http://tienphongmarathon.vn
- Tel: 0903226806
- E-mail: info@tienphongmarathon.vn
Cuc Phuong Jungle Paths
- Website: racejungle.com
- Phone: +84 33 355 4242
- Email: support@racejungle.com
Halong International Heritage Marathon
- Email: halongrace@dhavietnam.vn
- Website: vietnamheritagemarathon.com
- Website: halongmarathon.com
Vnexpress Marathon
- Website: https://vm.vnexpress.net/
- Tel: 1900 633003
- Email sự kiện: phuongnt6@fpt.com.vn