4 × 200 metres relay a situation, the outer lanes could appear to start 2/3 of the way through the first turn. The markings for such a special zone should be colored red, though many tracks deviate from the standard marking colors. On a conventionally marked track, the race can be run starting at the normal 400 metres (and 4x100 metres relay) start line. As a two-turn stagger, the first exchange would take place in the standard second passing zone of the 4x100 metres relay, the second pass taking place in the normal (lane one, extended) 4x400 metres relay zone. After that exchange, the runner
All-weather running track today. In the mid-1960s Tartan tracks, surfaced with a product by 3M. The name "Tartan" is a trademark, but many have misused it as a genericized trademark. This process was the first to commercialize a polyurethane surface for running tracks, though originally conceived for horse racing. Many Tartan tracks were installed worldwide, including at many of the top Universities in the United States. Among that list was a Tartan track installed in the Estadio Olímpico Universitario, home of the 1968 Summer Olympics at Mexico City, which were the first global championships to use such a track. Olympic shot put champion