racecast.ioPartly cloudy throughout the day.
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Race Overview
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.
WikipediaFAQ
When is the 2026 St. Luke's Delaware & Lehigh (D&L) Heritage Marathon?
The 2026 St. Luke's Delaware & Lehigh (D&L) Heritage Marathon will be held on Sunday November 15, 2026.
Is the St. Luke's Delaware & Lehigh (D&L) Heritage Marathon a Boston Marathon Qualfier?
Yes, the St. Luke's Delaware & Lehigh (D&L) Heritage Marathon is an official Boston Marathon qualifier.
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon Course Map
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St. Luke's Delaware & Lehigh (D&L) Heritage Marathon Weather History
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon Weather Averages
Average Temp: 44°, Average Low: 35°, Average High: 53°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 39° | 44° | 47° | 49° | 49° | 52° | 53° |
| Feel | 39° | 42° | 45° | 47° | 49° | 51° | 51° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 4mph | 4mph | 4mph | 4mph | 6mph | 6mph |
| Dew | 34° | 35° | 35° | 35° | 36° | 37° | 39° |
| RunScore |  |  | | | |  | |
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon 2025
Nov 9, 2025
Partly cloudy throughout the day with late afternoon rain.
Low: 45°, High: 61°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 52° |  54° | 54° | 55° | 59° | 61° |
| Feel | 48° | 52° | 54° | 54° | 55° | 59° | 61° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 6mph | 4mph | 2mph | 2mph | 4mph | 5mph |
| Dew | 46° | 47° | 48° | 50° | 50° | 52° | 54° |
| RunScore | | | | | | | |
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon 2024
Nov 10, 2024
Partly cloudy throughout the day with late afternoon rain.
Low: 31°, High: 54°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp |  35° | 41° | 48° | 51° | 52° | 54° | 54° |
| Feel | 35° | 41° | 48° | 51° | 52° | 54° | 54° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 0mph | 2mph | 6mph | 8mph | 8mph | 7mph |
| Dew | 28° | 29° | 28° | 28° | 30° | 32° | 35° |
| RunScore | | | | | | | |
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon 2023
Nov 12, 2023
Clear conditions throughout the day.
Low: 30°, High: 44°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 33° | 38° | 38° | 40° | 41° | 43° | 44° |
| Feel | 33° | 33° | 34° | 37° | 41° | 40° | 40° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 7mph | 5mph | 5mph | 3mph | 4mph | 8mph |
| Dew | 29° | 29° | 28° | 28° | 28° | 28° | 29° |
| RunScore | | | | | | | |