Ultrarunner Victor Plante uses Peloton’s Tread Flex for training. He finds it useful for elevation training in Toronto’s flat terrain. Plante prepares for the 135K TransMartinique ultramarathon in December.

Plante, who lives in downtown Toronto, runs at least 10 km most days. He uses the treadmill to fill gaps in his training. The Tread Flex’s foldable design fits his condo space. He appreciates the ability to control the environment. Read more culture coverage.

The Tread Flex’s Re Runs feature syncs outdoor routes for indoor practice. This helps maintain a consistent pace. Plante finds it useful for ultramarathon training. He also sees its appeal for guided workouts. Related: NASCAR Champion Kyle Larson to Debut in Marathon in December.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.