
Stennis Space Center, United States of America · Friday 24 April 2026
The marathon held at the Stennis Space Center takes place annually on Thanksgiving weekend, with races starting at 8 a.m. The event's course consists of a full 26.2-mile loop run primarily on paved roads that trace the perimeter of the center. The terrain is notably flat, featuring minimal elevation change ranging from 11 to 35 feet with a total gain and loss of 136 feet which contributes to the course's reputation as fast and conducive to personal record attempts. The landscape alternates betwe
Adjusted Time
3:49:29
Time difference: -10.5 minutes compared to a flat, road, temperate course.
Stennis Space Center Marathon is a full marathon held in Stennis Space Center, United States of America, scheduled for Friday 24 April 2026. The course is run on road surface with 41m of total elevation gain, reaching a maximum altitude of 11m above sea level. For registration and full race details, visit the official Stennis Space Center Marathon website.
This is a very flat course with only 41m of total elevation gain across the full distance. The course ranges from 3m to 11m above sea level — a 8m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for April, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 3°C to 15°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (0%), so dry conditions are likely.
Stennis Space Center 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.
Our difficulty rating for Stennis Space Center 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 Stennis Space Center Marathon against other marathons to find the right race for your goals.
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