TripleThreat Half Marathon
Race Day Weather
Mild temps, mixed winds ahead
Runners will face temperatures starting at 68°F and peaking at 69°F, combined with high humidity at 86%. Light winds will shift from a tailwind in mile 1 to headwinds in miles 2-3 and 5-6, requiring pacing adjustments on those segments. Hydration will be essential throughout, especially given the humidity, and a conservative start is advisable.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for TripleThreat Half Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized TripleThreat Half Marathon race plan
A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.
Race Info
The TripleThreat Half Marathon starts and finishes at Rockport High School on Cape Ann, Massachusetts, with a course running along the coastline through Rockport and Gloucester. A companion 5K runs a shorter version of the same route. The race has run annually since 2013, apart from a virtual format in 2020, and is USATF sanctioned.