PRE-Booking 100KEnglish
To maintain the safety and competitive standards of our 2027 edition, all applicants must complete a prior experience validation process.
Qualification Requirements: To be considered, you must provide official proof of the following completed distances:
Ultra-Distance Races: Must have finished at least two 50K races or one 80K+ race within the last 24 months.
Finish Times: Finishing times must fall within the official cut-off limits of the respective competition.
Certification: You must send via WhatsApp an official finisher's certificate (PDF or image) or a direct link to verifiable results from the timing platform.
Selection Process:
Evaluation: Your application will be reviewed by our technical committee.
Results: In September 2026, you will receive an email notifying you if your application has been Approved or Rejected.
Payment & Confirmation: If accepted, you will have a strict 24-hour window to complete your registration payment.
Note: If payment is not received within this timeframe, your spot will be forfeited, and you will be required to restart the acceptance process (subject to availability).

| VARONIL |
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| FEMENIL |
CAMBIOS DE FOLIO
20 DICIEMBRE 2023 COSTO $300 SIN TALLA DE PLAYERA
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| Monterrey | Cel & Whatsapp |
| +52 81 1007-0404 | |