
Big Bear Lake, United States of America · Sunday 6 September 2026
This marathon takes place in the San Bernardino Mountains of California, beginning at high elevation near Sugarloaf Mountain, south of Big Bear Mountain Ski Resort, and finishing in Redlands. The course runs entirely on paved roads, following California State Route 38, and descends through the San Bernardino National Forest, featuring continuous downhill grades and scenic views of mountain peaks, valleys, forested areas, and small mountain communities.\n\nThe format is point-to-point, with the m
Adjusted Time
4:32:53
Time difference: +32.9 minutes compared to a flat, road, temperate course.
REVEL Big Bear Marathon is a full marathon held in Big Bear Lake, United States of America, scheduled for Sunday 6 September 2026. The course is run on trail surface with 101m of total elevation gain, reaching a maximum altitude of 2021m above sea level. For registration and full race details, visit the official REVEL Big Bear Marathon website.
With 101m of elevation gain, this is a moderately undulating course. The route ranges from 471m to 2021m above sea level (1550m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for September, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 18°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 (0%), so dry conditions are likely.
REVEL Big Bear 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.
Our difficulty rating for REVEL Big Bear 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 REVEL Big Bear Marathon against other marathons to find the right race for your goals.
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