Do I have to use starting blocks or spikes in masters sprints?

No. Starting blocks are not mandatory for Masters athletes in sprint events. You can start in whichever way is most functional for you: blocks, a four-point start on the track, or a standing start.

Wearing spikes is also not mandatory: you may compete in running shoes or trainers. Where spikes are worn, most tracks require 6 mm or 7 mm pyramid spikes.

Source: First-Timer's Guide: Athletics Canada Masters National Championships FAQ: https://athletics.ca/wp-content/uploads/2026/04/FAQ-for-Masters-Canadian-Championships.pdf