San Jose, United States of America · Sunday 5 October 2025
Official Website →The Rock ‘n’ Roll San Jose Half Marathon is a popular race held in San Jose, California, part of the Rock ‘n’ Roll Marathon Series. The event is known for its musical vibe, with live bands playing along the course to keep runners energized and motivated. The race takes participants through downtown San Jose, passing historic buildings, local landmarks, and scenic spots such as Guadalupe River Park. The course is mostly flat, making it ideal for those aiming to set a personal best.\n\nAfter the r
Adjusted Time
1:43:36
Time difference: -1.4 minutes compared to a flat, road, temperate course.
| Surface | Road |
| Elevation Gain | 25m |
| Elevation High | 39m |
| Elevation Low | 18m |
| Predicted High | 27°C |
| Predicted Low | 11°C |
| Chance of Rain | 1% |