St. George Marathon and Half Marathon
St. George, United States · Saturday 4 October 2025
This race is ideal for trail runners seeking a relatively gentle introduction to longer distances or those wanting to log miles without excessive climbing. The flat to gently rolling terrain means you won't face grinding uphills or technical descents that demand constant technical footwork, making it suitable for runners who prefer forward momentum over elevation strategy. If you're training for a road marathon but want trail experience, or you simply enjoy dirt under your feet without punishing your legs, this fits the bill. The high elevation starting point around 830 meters does mean you'll be running at altitude for the entire race, which can surprise runners unaccustomed to thinner air even on modest grades. The main challenge you'll face is the desert environment itself. St. George sits in southwestern Utah's red rock country, and trail marathons here mean exposure to sun, heat, and sparse shade for most of the race. Even in October, southern Utah can warm up significantly mid-day, so pacing conservatively early and managing your fluid intake becomes critical. The trail surface also tends to be rocky and uneven underfoot, which isn't technical in the climbing sense but demands steady concentration to avoid ankle rolls, especially as fatigue sets in over 42 kilometers. If you're accustomed to running smooth fire roads or groomed paths, expect to work harder on foot placement than the elevation profile alone suggests.
Difficulty Calculator
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Adjusted Time
4:34:10
Time difference: +34.2 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain80m
Elevation High1587m
Elevation Low830m
St. George Marathon and Half Marathon 2025 Course Analysis
St. George Marathon and Half Marathon is a full marathon held in St. George, United States, scheduled for Saturday 4 October 2025. The course is run on trail surface with 80m of total elevation gain, reaching a maximum altitude of 1587m above sea level. For registration and full race details, visit the official St. George Marathon and Half Marathon website.
Elevation Profile
This is a very flat course with only 80m of total elevation gain across the full distance. The course ranges from 830m to 1587m above sea level — a 757m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Surface Type: Trail
St. George Marathon and Half Marathon 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 St. George Marathon and Half Marathon?
Our difficulty rating for St. George Marathon and Half 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 St. George Marathon and Half Marathon against other marathons to find the right race for your goals.
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