An ultra competitor
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An ultra competitor

An ultra competitor
Todd Zagurski prepares for a run before work. On weekends, he works out for six or seven hours — in the off-season. (Al Seib / LAT)
An ultra competitor
Zagurski’s path to ultra races began when he was a teenager growing up on Mercer Island in Washington state. (Al Seib / LAT)
An ultra competitor
This year, Zagurski will tackle two single triathlons, a triple triathlon, a quintuple triathlon and Canada’s Ultraman — a 10K swim, 418.3K bike race and 84.3K run. (Christine Cotter / LAT)
An ultra competitor
An athlete runs through the Antarctic on an ultra marathon. Hostile environments, as well as daunting distances, are part of the challenge. (Mike King)
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