
San Diego, United States of America · Sunday 1 June 2025
A cornerstone of the Rock ‘n’ Roll Marathon Series, this San Diego half marathon is famous for its energetic atmosphere, live bands, and fantastic coastal scenery. The course starts in Balboa Park, taking runners through the city's historic neighborhoods, past waterfront views, and under the California sunshine. While the course has some rolling hills, it’s generally fast, making it a favorite for PR-seekers and first-time half marathoners alike. The crowd support is electric, with local bands a
Adjusted Time
1:50:45
Time difference: +5.8 minutes compared to a flat, road, temperate course.
Rock 'n' Roll San Diego Half Marathon is a half marathon held in San Diego, United States of America, scheduled for Sunday 1 June 2025. The course is run on road surface with 113m of total elevation gain, reaching a maximum altitude of 147m above sea level. For registration and full race details, visit the official Rock 'n' Roll San Diego Half Marathon website.
With 113m of elevation gain, this is a moderately undulating course. The route ranges from 36m to 147m above sea level (111m 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 June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 18°C and 30°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (13%), so dry conditions are likely.
Rock 'n' Roll San Diego 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.
Our difficulty rating for Rock 'n' Roll San Diego 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 Rock 'n' Roll San Diego Half Marathon against other half marathons to find the right race for your goals.
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