Rim Rock Half Marathon

Rim Rock Half Marathon 2025 Course Analysis

Rim Rock Half Marathon is a half marathon held in Grand Junction, United States of America, scheduled for Sunday 2 November 2025. The course is run on road surface with 135m of total elevation gain, reaching a maximum altitude of 1822m above sea level. For registration and full race details, visit the official Rim Rock Half Marathon website.

Elevation Profile

With 135m of elevation gain, this is a moderately undulating course. The route ranges from 1362m to 1822m above sea level (460m 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 November, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 3°C to 20°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.

Surface Type: Road

Rim Rock Half 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.

How Difficult Is Rim Rock Half Marathon?

Our difficulty rating for Rim Rock 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 half 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 Rim Rock Half Marathon against other half marathons to find the right race for your goals.