In 2016, Stewart Marshall of Great Britain competed in his first world masters meet — in Perth, Australia. It didn’t go well. He entered the 200 and 400 but “made the quick decision” not to run the deuce due to injury the week after his nationals. Then in the 400 final, he was DQ’d. But he came home with two M35 golds in the 4×1 and 4×4 relays. And in 2017, he further showed his dedication to our niche sport by becoming the website manager for World Masters Athletics. In 2018, he made up for Perth by winning the M35…