According to Official Guinness Records,
Between 15 May 2016 and 14 May 2017, Amanda Coker (USA) rode 86,573.2 miles (139,326.34 km), the greatest distance ever cycled in a year by a man or a woman. The record was verified by the World UltraCycling Association (previously UltraMarathon Cycling Association).Amanda alternated between a road bike, a recumbent and a triathlon (or “tri”) bike, cycling on the same seven-mile loop of trails around Flatwoods Park in Tampa, Florida, every day, often for over 12 hours at a time, and averaging 237.19 miles (381.72 km) per day.The World UltraCycling Association is the leading international organization dedicated to ultracycling. The WUCA governs and certifies record attempts in several categories, including cross-country, cross-state/province as well as fixed-distance attempts (100 miles, 200 miles, 1,000 km) and fixed-time attempts (6 hours, 12 hours, 24 hours). Also, the WUCA governs and certifies attempts in two categories called HAMR (Highest Annual Mileage Ridden) and 100,000 Miles, both recognized by Guinness World Records.
For a complete list of 2017 records, please visit 2017 Guinness Records in United States.