Aside from boxing and soccer games, a robot sports meet that lacks any genuine hardware-structure innovation is most likely just another gimmick.
Keep an eye on LeroBot related projects, also their hackathon is a good opportunity for beginners learning robots.
Elon Musk has a knack for overpromising and underdelivering
The recent humanoid robot half-marathon is reminiscent of the DARPA Grand Challenge held 20 years ago...
How to construct a highly-customized and effective RSS for robotics? That's something I'm working on.