About CrossFit 781 in Weymouth, MA

We Built our Gym
Around You

CrossFit 781 is our dream, built with you in mind. Our coaches are highly skilled professionals with top-tier communication skills and elite programming. Each coach brings a unique energy and skillset, but they all create a warm, welcoming atmosphere for beginners and experienced athletes alike.

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Zero Intimidation Environment
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Professional Coaching
Elevated Customer Care
Elevated Customer Care
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woman lifting heavy weight at CrossFit 781
ABOUT CrossFit 781

Our Coaches

Eric Seigel coach at CrossFit 781

Eric Siegel

Owner, Head Coach

Certifications

Certified CrossFit Level 3 Trainer (CF-L3)
USA Weightlifting Level 2 Coach (USAW-2)
Eric played NCAA Division III soccer, competed in the 2011 CrossFit Games Affiliate Cup team competition, has run marathons, and competed in national and international Olympic weightlifting events.
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Certifications

CrossFit Level 2 Trainer (CF-L2)
ACE Certified Personal Trainer (ACE-CPT)
Cassi has qualified for and competed in CrossFit Quarterfinals every year it has been contested. She’s also an active athlete outside the gym! Cassi’s favorite activity is water skiing, and she is learning tennis.
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Cassi Lavoie coach at CrossFit 781

Cassi Lavoie

Coach
Amanda Harmon coach at CrossFit 781

Amanda Harmon

Coach

Certifications

CrossFit Level 2 Trainer (CF-L2)
Amanda holds multiple New England Olympic Weightlifting records. She’s strong, and has excellent attention to detail. Amanda continues to compete in both national and international weightlifting competitions.
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Certifications

CrossFit Level 2 Trainer (CF-L2)
Jamie is the longest tenured member of our coaching team! She’s been working out at CrossFit 781 since 2012.
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Jamie Campbell coach at CrossFit 781

Jamie Campbell

Coach
Zach Levy coach at CrossFit 781

Zach Levy

Coach

Certifications

CrossFit Level 2 Trainer (CF-L2)
Zach played NCAA Division I and III football. Zach has qualified for, and competed in CrossFit In-Person Semifinals each of the last three years, as well as other high profile CrossFit competitions.
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Certifications

CrossFit Level 2 Trainer (CF-L2)
USA Weightlifting Level 1 (USAW-1)
In addition to coaching CrossFit, Walker also referees NCAA Division I and international Hockey.
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Walker Holton coach at CrossFit 781

Walker Holton

Coach
Rachel Wallace coach at CrossFit 781

Rachel Wallace

Coach

Certifications

CrossFit Level 1 Trainer
Rachel played NCAA Division III lacrosse and has experience as a kickboxing instructor. She is active, and loves a challenge. Within a one-year timespan, Rachel competed in an individual HYROX race, ran a half marathon, qualified for CrossFit Quarterfinals, competed in multiple in person CrossFit competitions, and rode in the...
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Lesley has been practicing CrossFit since 2009, which helps her keep up with her active kids and husband. In addition to helping run the business, and keeping CrossFit 781 looking good, she manages CrossFit 781’s social media. Tag us in your fitness posts! Lesley loves to share all your achievements!
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Lesley Siegel coach at CrossFit 781

Lesley Siegel

Owner, Social Media Manager
coaches
med balls at CrossFit 781
ski erg equipment at CrossFit 781
med balls at CrossFit 781
ski erg equipment at CrossFit 781

Clean and Well-Maintained
Equipment is the Standard

CrossFit 781 features a fully equipped gym with barbells, kettlebells, dumbbells, rowers, ski machines, bikes, a large pull-up rig, and more. Our facility provides the tools needed for safe, effective workouts that can be modified for every fitness level.

Spacious Facility – Our open, welcoming gym provides plenty of space to move, train, and learn. Enjoy effective workouts in a comfortable environment at any fitness level.

Strength Training – Our facility features barbells, dumbbells, kettlebells, and more to help you build strength, break through plateaus, and achieve lasting results.

Cardio Equipment – Our gym features Concept2 rowers, SkiErgs, Assault Bikes, and Rogue Echo Bikes to build endurance, improve fitness, and support effective workouts.

equipment

A Facility Designed for
Performance & Community.

CrossFit 781 is a premier CrossFit gym in Weymouth, MA, featuring a spacious training facility, quality equipment, showers, and expert coaching. Our welcoming fitness community provides safe, effective strength and conditioning workouts for all fitness levels.

rig equipment at CrossFit 781
facilities

That’s Us.
Let’s Learn About You!

We’ve had a blast telling you a bit about ourselves. But this isn’t about us, it’s about you. Your journey, your goals, your results. So let’s get to know each other, set some life-changing but attainable goals, and welcome you to our supportive community.

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woman training with her coach at CrossFit 781
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