Jul
12
21K CDMX
Sunday, July 12, 2026The 21K CDMX is Mexico City’s official half marathon, attracting thousands of runners annually. It is known for excellent organization, strong community support, and a scenic route through historic and modern parts of the city.
Jul
12
21K CDMX
Sunday, July 12, 2026The 21K CDMX is Mexico City’s official half marathon, attracting thousands of runners annually. It is known for excellent organization, strong community support, and a scenic route through historic and modern parts of the city.
Entries
Rank
Athlete
VDOT
8
18.68
AM
Aidy M.
W35
Race Details
Status
Upcoming
Upcoming
Website
Official website
Location
Mexico City, Mexico
Date
12 July 2026
Distance
Half Marathon
VDOT Participants
8 of 87
PV
Avg. VDOT finish times
2:41:39
The 21K CDMX is Mexico City’s official half marathon, attracting thousands of runners annually. It is known for excellent organization, strong community support, and a scenic route through historic and modern parts of the city.
Course Terrain 
The route is mostly flat with some mild elevations, primarily on paved city streets. The course starts and finishes in iconic places like Reforma and passes through Chapultepec Park.
Elevation Changes
Mild elevation changes with a few gradual inclines, mostly flat and considered beginner-friendly.