When does UFC 231: Holloway vs. Ortega start?
The provider lists the event start as Dec 7, 5:00 PM CST. This is the listed event start, rather than a guaranteed walkout time for the main event. Fight lengths and changes to the card can move individual bout times.
Toronto, Ontario, Canada Open the full event card ↗ or download a calendar reminder.
The main event
Gilbert Burns vs Olivier Aubin-Mercier is the main matchup identified in the supplied card.
Use the side-by-side comparison to examine reach, stance, striking volume, takedowns and average fight time. These are historical profile statistics, not a prediction of how the fight will unfold. Overall MMA records may include competition outside the UFC.
Where to watch
A verified broadcast listing has not been supplied for this event. Check the official UFC event listing for availability in your region before making viewing plans.
Bout order and matchup research
The card below uses the provider’s current order and excludes bouts marked cancelled or postponed. A numbered card position is a supplied listing, not a guaranteed running order. Open a matchup for the tale of the tape, completed fight totals and round-by-round figures when those data are available.
Gilbert Burns
Olivier Aubin-Mercier
Dhiego Lima
Chad Laprise
Hakeem Dawodu
Kyle Bochniak
Elias Theodorou
Eryk Anders
Aleksandar Rakic
Devin Clark
Nina Nunes
Claudia Gadelha
Brad Katona
Matthew Lopez
Max Holloway
Brian Ortega
Thiago Santos
Jimi Manuwa
Diego Ferreira
Kyle Nelson
Valentina Shevchenko
Joanna Jedrzejczyk
Jessica Eye
Katlyn Cerminara
Gunnar Nelson
Alex Oliveira
For results, use the event-night board. Missing scores and statistics remain unavailable until the source supplies them. The board requests current provider data when refreshed; it does not independently confirm an in-progress result.
Source: connected Cito UFC event feed. Official UFC event listings ↗. This guide updates with the feed and is not a separately reported news article.