St. Luke's Delaware & Lehigh (D&L) Heritage Marathon
Race Day Weather
Cool morning, mild afternoon
Runners will face a start-line temperature of 41°F, rising to a mild 54°F. Winds will be from the SW at 7 mph, gusting to 20 mph, creating a slight headwind. With humidity at 62% and a light chance of rain, runners should maintain a conservative pace and stay hydrated throughout the race.
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Race Info
Both the marathon and half marathon use the D&L Trail for a majority of their courses. The trail follows the Lehigh River for a gentle net elevation drop with fine gravel or pavement depending on the section. Participants can expect a beautiful trail, joint-friendly terrain, and crisp autumn temperatures. Source