New Hampshire Marathon, held on October 4, 2025, in Bristol, New Hampshire, is a scenic event that takes runners around the picturesque Newfound Lake. The course is mostly a loop, featuring a mix of hilly terrain with a maximum elevation of 746 feet and a minimum of 462 feet. Despite its hilly profile, the marathon is a Boston qualifier, making it a popular choice for serious runners.\n\nThe event includes a full marathon, half marathon, 10K, and kids' race, offering something for every level of
Adjusted Time
4:08:40
Time difference: +8.7 minutes compared to a flat, road, temperate course.
| Surface | Road |
| Elevation Gain | 289m |
| Elevation High | 221m |
| Elevation Low | 143m |
| Predicted High | 27°C |
| Predicted Low | 12°C |
| Chance of Rain | 1% |