A list of ARRL contests can be found on the American Radio Relay League's website at:
https://www.arrl.org/contest-calendar
Upcoming contests include:
November 2016
5-7 Nov. Sweepstakes – CW
19-21 Nov. Sweepstakes – Phone
19-20 EME - 50 to 1296 MHz
December 2016
2-4 160 metre
10-11 10 metre
18 Rookie Roundup–CW