Event Overview
| Date | Dec 19, 2026 |
|---|---|
| Location | Amecameca, State of Mexico, Mexico |
| Format | Backyard Ultra |
| Terrain | Mixed |
| Region | North America |
| Distance / duration | 6.706 km every hour |
| Course model | Loop |
| Edition note | The second edition. Big’s race page lists December 19, 2026 at 08:00 with room for 150 runners, and Yardlore lists the same date. The organizer, Trail SIC, uses a Facebook page and has not published an entry page, price, venue or rules that could be checked. Yardlore’s 2025 results leave out the 47-yard winner and show 46 as the best; DUV and Big’s both give 47. Big’s labels the race Bronze. Yards completed here count toward Big’s At-Large list, which takes the best results between August 16, 2025 and August 15, 2027. |
| Cutoff | Each 6.706 km yard must be finished within the hour; the time left is for recovery before the next start. No fixed overall finish: the race continues until one runner completes a final yard alone. |
| Start | 8:00 AM Saturday, December 19 (Big’s race page). The 2025 race started at 7:00 AM (DUV). |
| Field size | Big’s lists a capacity of 150. DUV lists 10 runners in 2025, eight men and two women. |
| Highlights | Town at 2,480 m, Course Record: 47 Yards |
Course & Terrain
Big’s race page says runners use the same 6.706 km loop for the whole race. The organizer has not published the route, surface or climb.
Entry & Logistics
| Registration and fees | Check the official event website for current availability, deadlines, prices, taxes, and refund terms. |
|---|
Why This Race Matters
Backyard Amecameca was first held in December 2025. Big’s lists Trail SIC as organizer and Yoshua Herrera Godínez as race director. That first race started on December 20, 2025 and ended after 47 yards, about 315 km.
Historical benchmark notes in the directory record (verify current records with the linked official sources):
- Course record: 47 yards (315.182 km), Rodolfo Ramirez Leonides, December 2025. DUV lists him as Rodolfo Ramirez and Big’s as Leonides.
- The assist in 2025 stopped at 46 yards, and the leading woman reached 41 (DUV).
Preparing for a Race Like Backyard Amecameca México
The backyard ultra race guide covers the format as a whole. These guides go deeper:
- Backyard ultras explained: Rules, distance math, current records and how a race ends.
- Backyard ultra training plan: A 16-week framework with hourly-loop rehearsals and a printable worksheet.
- Backyard ultra race strategy: Loop pacing, the routine between loops, sleep and knowing when to stop.
- Backyard ultra nutrition: A tested fueling routine for eating and drinking between loops.
Planning Notes
- Practice the exact hourly routine: loop, eat, foot check, bottle refill, and back to the start. The format rewards repeatability.
- The directory does not mark this as having simpler logistics. Confirm qualification, terrain, support, registration, medical, and withdrawal requirements before planning around it.
- Amecameca sits at about 2,480 m (8,140 ft), between Mexico City and the Iztaccíhuatl and Popocatépetl volcanoes
- No entry page, price or rules have been published to check
Event FAQs
When is Backyard Amecameca 2026?
Big’s race page lists Saturday, December 19, 2026, with the first yard at 8:00 AM in Amecameca, State of Mexico, and room for 150 runners. Yardlore lists the same date. The organizer, Trail SIC, has not published an entry page, so check its Facebook page for registration.
What is the Backyard Amecameca record?
47 yards, about 315 km, by Rodolfo Ramirez Leonides at the first edition in December 2025. The assist stopped at 46 yards and the leading woman at 41, according to DUV.
Related Preparation
- Compare this race in the full 2026 calendar
- Browse the 2026 backyard ultra calendar
- Open the Backyard Ultra format guide
- Compare all race formats
- Use the timed-race pace calculator
- Build a backyard yard and rest-time schedule
- Build a crew and drop-bag plan
- Build a race-specific gear checklist
Verification & Sources
Verification scope: the listed edition's date, location, format, and available logistics were checked against the event-specific official sources below during the directory review dated October 20, 2026. Organizers can revise details after review.
- Big’s Backyard Ultra race page — https://bigsbackyardultra.com/races/mexico-byu/
- Organizer’s Facebook page (Trail SIC Amecameca) — https://www.facebook.com/share/1GhHQhYJX4/
- DUV: 2025 results — https://statistik.d-u-v.org/getresultevent.php?event=132245
- Yardlore: Backyard Amecameca México — https://www.yardlore.com/backyards/backyard-amecameca-mexico
- Wikipedia: Amecameca (town elevation and setting) — https://en.wikipedia.org/wiki/Amecameca
- Multiday Running event directory review scope: October 20, 2026.