GO! St. Louis Marathon
St. Louis, United States of America · Monday 26 April 2027
The GO! St. Louis Marathon, held on April 26, 2025, is a popular event that attracts runners from across the Midwest. The course takes participants through the scenic streets of St. Louis, Missouri, offering a mix of urban charm and natural beauty. With its well-organized logistics and enthusiastic community support, this marathon is a must-do for runners seeking a challenging yet enjoyable race experience. The event features various distances, including a full marathon, half marathon, 10K, 5
Difficulty Calculator
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:m
:s
Adjusted Time
3:58:20
Time difference: -1.7 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain136m
Elevation High163m
Elevation Low128m
Weather Forecast
High19°C
Low12°C
Chance of Rain2%
How hard is GO! St. Louis Marathon?
Moderateharder than 31% of marathons
Flattest / easiestHardest
On our difficulty model, GO! St. Louis Marathon adds about +3 minutes versus a flat, cool road marathon for a 3:30 runner. It ranks #860 hardest of 1245 marathons we analyse, and #372 of 593 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at GO! St. Louis Marathon?
Estimated finish times on this course versus the same effort on a flat, cool, road marathon, based on its elevation, surface, and expected race-day temperature.
| Flat-course time | On GO! St. Louis Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:57:00 | −02:60 |
| 3:30:00 | 3:27:37 | −02:23 |
| 4:00:00 | 3:58:20 | −01:40 |
| 4:30:00 | 4:29:07 | −00:53 |
| 5:00:00 | 4:59:59 | −00:01 |
| 5:30:00 | 5:30:56 | +00:56 |
| 6:00:00 | 6:01:56 | +01:56 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
GO! St. Louis Marathon 2027 Course Analysis
GO! St. Louis Marathon is a full marathon held in St. Louis, United States of America. It is scheduled for Monday 26 April 2027. The course is run on road surface with 136m of total elevation gain, reaching a maximum altitude of 163m above sea level. For registration and full race details, visit the official GO! St. Louis Marathon website.
Elevation Profile
With 136m of elevation gain, this is a moderately undulating course. The route ranges from 128m to 163m above sea level (35m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Moderate temperatures between 12°C and 19°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 (2%), so dry conditions are likely.
Surface Type: Road
GO! St. Louis 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.
Looking for an easier marathon or a tougher challenge? You can also compare GO! St. Louis Marathon against other marathons to find the right race for your goals.
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