Rock n Roll San Antonio Marathon
San Antonio, United States · Friday 4 December 2026
The Rock n Roll San Antonio Marathon in April 2026 offers a straightforward full marathon on trail terrain through relatively flat to gently rolling landscape, making it a solid choice if you're looking to avoid technical footing while still getting some elevation work. The course stays low overall, ranging between 177 and 239 meters above sea level with only 147 meters of elevation gain across the full 42.2 kilometers, so you won't face any surprise climbs. Running in San Antonio in late April means warm temperatures, so prepare accordingly with your hydration and pacing strategy. The trail surface will feel different underfoot than road racing but shouldn't demand serious technical skills given the gentle topography. This is a working marathon from the Rock n Roll series, so expect the standard race logistics and event experience you'd get from that organization, though you'll want to confirm current registration status and race details since the event information available appears incomplete.
Difficulty Calculator
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:m
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Adjusted Time
4:35:49
Time difference: +35.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain147m
Elevation High239m
Elevation Low177m
Rock n Roll San Antonio Marathon 2026 Course Analysis
Rock n Roll San Antonio Marathon is a full marathon held in San Antonio, United States, scheduled for Friday 4 December 2026. The course is run on trail surface with 147m of total elevation gain, reaching a maximum altitude of 239m above sea level. For registration and full race details, visit the official Rock n Roll San Antonio Marathon website.
Elevation Profile
With 147m of elevation gain, this is a moderately undulating course. The route ranges from 177m to 239m above sea level (62m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Surface Type: Trail
Rock n Roll San Antonio 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 Rock n Roll San Antonio Marathon?
Our difficulty rating for Rock n Roll San Antonio 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 Rock n Roll San Antonio Marathon against other marathons to find the right race for your goals.
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