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 Weather History
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon Weather Averages
Average Temp: 44°, Average Low: 34°, Average High: 53°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 39° | 44° | 46° | 49° | 49° | 51° | 53° | 52° |
| Feel | 38° | 42° | 45° | 47° | 49° | 50° | 51° | 51° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 5mph | 6mph | 5mph | 6mph | 7mph | 7mph | 5mph |
| Dew | 33° | 34° | 34° | 34° | 35° | 36° | 38° | 39° |
| RunScore |  |  | | | |  | | |
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon 2025
Nov 9, 2025
Partly cloudy throughout the day with rain.
Low: 45°, High: 60°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 49° | 54° | 54° | 55° | 55° | 57° | 60° |  58° |
| Feel | 46° | 54° | 54° | 55° | 55° | 57° | 60° | 58° |
| Rain | - | - | - | - | - | - | - | light |
| Wind | 7mph | 8mph | 7mph | 7mph | 8mph | 6mph | 5mph | 3mph |
| Dew | 44° | 47° | 48° | 50° | 50° | 51° | 54° | 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: 29°, High: 54°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  35° | 40° | 47° | 50° | 52° | 53° | 54° | 54° |
| Feel | 35° | 40° | 47° | 50° | 52° | 53° | 54° | 54° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 3mph | 2mph | 8mph | 9mph | 7mph | 6mph |
| Dew | 27° | 28° | 27° | 27° | 30° | 31° | 33° | 36° |
| RunScore | | | | | | | | |
St. Luke's Delaware & Lehigh (D&L) Heritage Marathon 2023
Nov 12, 2023
Clear conditions throughout the day.
Low: 29°, High: 44°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 32° | 37° | 38° | 41° | 41° | 42° | 44° | 44° |
| Feel | 32° | 33° | 33° | 37° | 41° | 39° | 39° | 40° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 6mph | 6mph | 5mph | 1mph | 6mph | 9mph | 7mph |
| Dew | 27° | 28° | 27° | 27° | 27° | 27° | 28° | 27° |
| RunScore | | | | | | | | |