Mackenzie Dern Husband And Relationship Status: Inside The UFC Star’s Split, Custody Battle, And Life After Marriage

UFC strawweight contender Mackenzie Dern is currently unmarried following her finalized divorce from former professional surfer Wesley Santos. The former Brazilian Jiu-Jitsu world champion's personal life became a major focal point in combat sports after a contentious legal battle involving custody, spousal support, and asset division coincided with crucial fights in her MMA career.

From Marriage to High-Stakes Legal Battles: The Split from Wesley Santos

Mackenzie Dern and Brazilian surfer Wesley Santos tied the knot in 2019, quickly starting a family with the birth of their daughter, Moa, in June of that year. For several years, Santos was a visible fixture in Dern's corner and public life as she transitioned full-time from elite submission grappling to top-tier mixed martial arts.

However, the relationship deteriorated in 2022, leading to formal divorce proceedings that played out publicly throughout 2023. The separation involved contentious claims from both parties regarding domestic disputes, custody rights, and financial management:

• Custody Arrangements: The court awarded joint legal custody of their daughter Moa, with Dern maintaining primary physical residence in California.
• Financial Restructuring: As the primary household earner, Dern was ordered to pay significant legal fees and temporary spousal support, a requirement that directly influenced her active fight schedule.
• Public Allegations: Both Dern and Santos levied allegations against each other during court filings, though the legal proceedings ultimately concluded with a structured divorce settlement.

Octagon Pressure: How Personal Turmoil Reshaped Her Fight Camps

The personal upheaval severely impacted Dern's preparation during key UFC appearances. The financial weight of the divorce forced the elite submission specialist to accept high-stakes fights while simultaneously switching training environments and managing administrative fallout.

Dern spoke candidly to combat sports media about fighting under extreme emotional stress, explaining that financial obligations stemming from the split forced her to remain active in the Octagon despite sub-optimal training setups. During this transitional phase, she departed her previous training facilities to build a custom support network in Southern California tailored specifically around her parenting schedule.

This period of adversity forced a tactical and mental evolution. Dern overhauled her striking defense, adjusted her wrestling entries, and took complete control over her managerial affairs, transforming her training approach from reliance on external academies to self-directed fight preparation.

Strawweight Division Focus and Life as a Single Mother in 2026

As of 2026, Mackenzie Dern remains focused on balancing single motherhood with her push toward the top of the UFC strawweight rankings. She has kept her personal life private following the resolution of her divorce, keeping the public eye strictly on her athletic progression and her daughter.

Dern's resilience inside and outside the Octagon has earned widespread respect across the combat sports community. Her ongoing career strategy centers on key performance milestones:

• Title Contendership: Positioning herself for crucial matchups against top-5 strawweight contenders.
• Jiu-Jitsu Integration: Continuing to leverage her world-class ground game while refining high-level striking output.
• Family Stability: Maintaining a structured environment for her daughter Moa while training at elite facilities in California.

Dern’s ability to navigate a high-profile divorce while remaining an elite competitor in the 115-pound division underscores her status as one of the most resilient figures in modern women’s MMA.