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BJX21K Medio Maratón Bajío

April 25, 2027 · 6:30 AMLeón, Guanajuato, Mexico

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Race snapshot

Race Day

68°F

57–91°F · Feels cool

Total elevation gain

197ft

Relatively flat course · Net elevation change +0 ft

Participants

8,000

Large field

Crowd Rating

4/ 10

Moderate spectator support

The Lowdown

BJX21K Medio Maratón Bajío is a half marathon in León, Guanajuato, held on a Sunday in late April with the start and finish at the Poliforum León expo. The 2026 edition capped the field at 8,000 runners and sold out. The event also offers a 10K, a 5K and a kids' 1K, all starting at 6:30 a.m. The course is measured and certified, with water points roughly every 2.5 to 3 km and Gatorade stations along the way. Finishers receive a medal, a shirt, chip timing and a recovery pack. The next edition is set for April 25, 2027; the organizer is taking waitlist sign-ups while the call for 2027 is not yet published.

Entry Methods: Online registration at marcate.com.mx or at partner stores such as Sport Palace and Skechers (2026 edition)
No registration or packet pickup on race day (2026 edition)
Eligibility: Half marathon categories: Libre (19–39), Veteranos A (40–49), Veteranos B (50–59) and Veteranos C (60+), men and women
5K Juvenil is for runners up to 18 years old
1K Infantil is for children ages 4 to 10, limited to 350 children

Prepare for This Race

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