The regular registration period for the 2023 Maine Summer Adventure Race, taking place July 22 in Brunswick, Maine, has been extended through Wednesday, June 7 at midnight. Sign your team up by the end of the day on Wednesday and take advantage of the lower registration fee. Fees increase as we enter the late registration period on Thursday! Also, a special AttackPoint heads-up that we are getting very close to filling the 24-hour and 8-hour races. Register at MaineSummerAR.com