Hartford Marathon X-Treme ScrambleHartford, Connecticut - Various Dates 1 of 7
Boasting good eats, beer and a zany run, the Hartford Marathon Foundation's X-Treme Scramble Series offers a fun time before the upcoming ING Hartford Marathon.
2012 Hale Race SeriesWestwood, Massachusetts - Various Dates 2 of 7
Composed of trail runs, obstacle courses and even an off-road triathlon throughout the summer, this race series is sure to get your heart pumping.
Boogie Nights Summer Trail Run SeriesVentura, California - Various Dates 3 of 7
Breakup weeknight monotony with this Wednesday night race series. Get sweaty, have fun and raise money for the Buena High School cross country program.
Sunstroke Summer StampedeAustin, Texas - Various Dates 4 of 7
Beat the summer heat and compete on one of two alternating courses, Brushy Creek or Town Lake Trail.
Jogger Summer SeriesDallass, Texas - Various Dates 5 of 7
After a long day, run or job your problems away at this 5K series that offers a flat, partially shaded course paralleling a freshwater lake.
Boulder Stroke & Stride SeriesBoulder, Colorado - Various Dates 6 of 7
This race series has become popular with local triathletes but has also become a place were newbies make their debuts.