NORWAY — The Nomad Trail Series 8.5K trail race series will be held the fourth Thursday of every month from May 22 through Sept. 25, rain or shine, at Roberts Farm Preserve. Start time for the five chip-timed races is 5:30.

For series details and registration, visit www.back40timing.com. For more information, “like” Nomad Trail Running Series on Facebook.

Overall series prizes for the top three men and women are $250, $125 and $50.

Registration is $60 for the series, $15 per race, preregistered, or $20 day of race.

Proceeds benefit additional running trails at Roberts Farm Preserve.