New Hampshire Marathon

New Hampshire Marathon 2026 Course Analysis

New Hampshire Marathon is a full marathon held in Bristol, United States of America, scheduled for Saturday 3 October 2026. The course is run on road surface with 351m of total elevation gain, reaching a maximum altitude of 225m above sea level. For registration and full race details, visit the official New Hampshire Marathon website.

Elevation Profile

This is a hilly course with 351m of total elevation gain. The route climbs from 142m to as high as 225m above sea level — a substantial 83m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.

Expected Race Day Weather

Based on historical weather data for October, the expected race day conditions are as follows. Moderate temperatures between 12°C and 27°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (1%), so dry conditions are likely.

Surface Type: Road

New Hampshire Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.

How Difficult Is New Hampshire Marathon?

Our difficulty rating for New Hampshire Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.

Looking for an easier marathon or a tougher challenge? You can also compare New Hampshire Marathon against other marathons to find the right race for your goals.