Marathon de la Loire 2023

Marathon de la Loire 2023 2023 Course Analysis

Marathon de la Loire 2023 is a full marathon held in Saumur, France, scheduled for Sunday 14 May 2023. The course is run on trail surface with 56m of total elevation gain, reaching a maximum altitude of 34m above sea level. For registration and full race details, visit the official Marathon de la Loire 2023 website.

Elevation Profile

This is a very flat course with only 56m of total elevation gain across the full distance. The course ranges from 24m to 34m above sea level — a 10m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.

Surface Type: Trail

Marathon de la Loire 2023 is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are inherently slower than road courses due to uneven footing, technical sections, and often steeper gradients. Trail-specific shoes with good grip are recommended, and runners should expect a finish time 10-20% slower than their equivalent road marathon time.

How Difficult Is Marathon de la Loire 2023?

Our difficulty rating for Marathon de la Loire 2023 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 Marathon de la Loire 2023 against other marathons to find the right race for your goals.