Silver Comet Marathon
Smyrna, United States of America · Saturday 31 October 2026
The event takes place on a 42.195-kilometer course entirely along a paved, multi-use rail trail in Mableton, Georgia, with no unpaved segments or significant elevation changes between the start and finish points. The terrain is almost uniformly flat and fast, with the start and finish at an elevation of about 314 meters above sea level, the lowest point at 278 meters, and the highest at 335 meters totaling a modest elevation gain of approximately 235 meters and loss of 247
Difficulty Calculator
h
:m
:s
Adjusted Time
4:03:04
Time difference: +3.1 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain236m
Elevation High320m
Elevation Low274m
Weather Forecast
High22°C
Low5°C
Chance of Rain2%
How hard is Silver Comet Marathon?
Moderateharder than 49% of marathons
Flattest / easiestHardest
On our difficulty model, Silver Comet Marathon plays about 6 minutes slower than an average road marathon for a 3:30 runner. It ranks #583 hardest of 1151 marathons we analyse, and #311 of 576 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 Silver Comet Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Silver Comet Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:59:34 | −00:26 |
| 3:30:00 | 3:31:13 | +01:13 |
| 4:00:00 | 4:03:04 | +03:04 |
| 4:30:00 | 4:35:04 | +05:04 |
| 5:00:00 | 5:07:13 | +07:13 |
| 5:30:00 | 5:39:31 | +09:31 |
| 6:00:00 | 6:11:58 | +11:58 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Silver Comet Marathon 2026 Course Analysis
Silver Comet Marathon is a full marathon held in Smyrna, United States of America. It is scheduled for Saturday 31 October 2026. The course is run on road surface with 236m of total climbing, with its high point near 320m above sea level. For registration and full race details, visit the official Silver Comet Marathon website.
Elevation Profile
With 236m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 22°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 (2%), so dry conditions are likely.
Surface Type: Road
Silver Comet Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Silver Comet Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Silver Comet Marathon fits your goal, these courses play out about the same on our difficulty model.
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