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Events at Mashomack
Events at Mashomack
Mashomack is a sports-oriented club whose members share a passion for polo, the equestrian lifestyle, and the beauty of the Hudson Valley. Located just 90 minutes from New York City, the club offers a place to gather, belong, and celebrate.
Mashomack events run from early June through late September. Throughout the polo season, we host public, private, and ticketed events. We also accommodate a limited number of corporate gatherings and curated experiences in partnership with our polo program. A select number of annual sponsorship and brand partnership opportunities are available for aligned companies.
Tournament teams compete at the 4-goal, 8-goal, and 12-goal levels and also train for off-site tournaments, including the 20-goal East Coast Open. For the 2025 season, over 20 teams are expected to compete, offering a thrilling spectator experience.
Events at Mashomack
This event carries forth a legacy of fashion and elegance from its founder, Karen Klopp, and continues to celebrate timeless style alongside the sport of polo. The event draws a discerning audience from NYC, Fairfield County, Westchester County, the Hamptons, and the Hudson Valley, as well as international visitors.
We look forward to hosting you June 20th, 2026 for the next edition of the Mashomack International Polo Challenge.
For sponsorship and partnership inquiries, please get in touch.
27th Annual
Mashomack International
Polo Challenge
The Mashomack International Polo Challenge marks the official start of the social season in the Millbrook Countryside.
This event carries forth a legacy of fashion and elegance, founded by entrepreneur and international polo player Bruce Colley, and continues to celebrate timeless style alongside the sport of polo. The event draws a discerning audience from NYC, Fairfield County, Westchester County, the Hamptons, and the Hudson Valley, as well as international visitors.
We look forward to hosting you June 20th, 2026 for the next edition of the Mashomack International Polo Challenge.
Explore the 2026 International Polo Challenge event schedule, featuring Team Italy!
Style guide by What2WearWhere for to the Mashomack International Polo Match.
Subscribe to our newsletter for early-bird ticket access.
Mashomack Ladies Polo Challenge
Let's go, girls.
This event showcases Mashomack's commitment to supporting the growth and development of female polo players locally and globally. This important tournament offers opportunities for amateurs and professionals to take their competitive game to the next level on world-class fields in front of enthusiastic crowds!
In 2026, the Mashomack Ladies Polo Tournament expands to a 2-day tournament format on Aug 1-2, welcoming local and international competitors. Our 2026 Title Sponsor, What2WearWhere, and hospitality sponsor One&Only Hudson Valley, will support the tremendous momentum of women in sport at Mashomack!
The 2025 edition hosted 4 women's polo teams and featured a thriling final right after the Eddie Moore final. Presenting Sponsor What2WearWhere supported the prize-giving ceremony and offered exquisite hospitality throughout the event for players and spectators.
For sponsorship and partnership inquiries, please get in touch.
Visit the Style guide by What2WearWhere to plan your elegant outing as a spectator.
This event carries forth a legacy of fashion and elegance from its founder, Karen Klopp, and continues to celebrate timeless style alongside the sport of polo. The event draws a discerning audience from NYC, Fairfield County, Westchester County, the Hamptons, and the Hudson Valley, as well as international visitors.
We look forward to hosting you June 20th, 2026 for the next edition of the Mashomack International Polo Challenge.
For sponsorship and partnership inquiries, please get in touch.
Add a Title
2026 Event Chairs
Davis Colley
Cléa Guerrand-Hermès
Oli Merison
Ellie Briana Molyneux
Committee
Eliza Bienstock
Heather Bienstock
Louisa Bienstock
Cosimo Blodgett
Jeremy Cuvelier
Téa Cuvelier
Alex Eckstein
Otto Eckstein
Will Eckstein
Daria Farman-Farmaian
Committee
Teymour S Farman-Farmaian
Federico Ferragamo
Giacomo Ferragamo
Connor Finemore
Lucien Guerrand-Hermès
Henry Gundlach
Max Gundlach
Cosmo Hunt
Marina Hunt
Max Langlois
Committee
Alex Langlois
Ian Mactaggart
Micheal Neeson
George Newberry
Brando Rena
Fabrizio Serena
Sebastian Steinau
Ligon de Vogel
Alex de Vogel
Alexandra Wolf
2026 Title Sponsor: Mashomack International Polo Challenge
Turkish Airlines: Established in 1933 with a fleet of five aircraft, Star Alliance member Turkish Airlines has a fleet of 531 (passenger and cargo) aircraft flying to 358 worldwide destinations as 305 international and 53 domestics in 133 countries. More information about Turkish Airlines can be found on its official website www.turkishairlines.com or its social media accounts on Facebook, X, YouTube, LinkedIn and Instagram.
2026 Polo Paddock Sponsor: Mashomack International Polo Challenge
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One&Only Hudson Valley will mark the brand’s first destination in the Northeast, set within 50 acres of preserved woodland along the Hudson River in Hyde Park, New York, adjacent to the Culinary Institute of America. Just 90 minutes from Manhattan, the setting offers a rare balance of natural beauty, cultural heritage, and quiet seclusion.The resort will include 63 guest accommodations and a limited collection of just 53 architecturally distinct Private Homes, thoughtfully integrated into the surrounding landscape and supported by the service and care that define the One&Only experience. Ownership opportunities begin from $4 million.
At the heart of the destination is the first U.S. Clinique La Prairie Longevity Hub, bringing nearly a century of Swiss expertise in preventive health and vitality to the Hudson Valley. In partnership with the Culinary Institute of America, the resort will also offer immersive culinary programming that reflects the region’s deep agricultural and culinary traditions.
Developed by Nolan Reynolds International and operated by Kerzner International, One&Only Hudson Valley introduces a new expression of resort living in the Northeast. Completion is anticipated for late 2028.
2026 Team Sponsors: Mashomack International Polo Challenge
Beretta, founded in 1526, is the world's oldest industrial dynasty, boasting a 500-year heritage of Italian craftsmanship rooted in Gardone Val Trompia. While famously historic, the brand has evolved into a premier lifestyle and performance name for outdoor sports enthusiasts and competitive athletes.
Beretta is a global leader in the production of firearms and gear designed specifically for hunting, competition, and tactical shooting. Their commitment to "Quality Without Compromise" has made them a staple in the international sporting community,
Turkish Airlines is the Turkish flag carrier and a leading European airline that has won Skytrax 'Best Airline in Europe Award' three years in a row and 'Best Premium Economy Class Airline Seat award'. Turkish Airlines flies to over 240 cities in 104 countries and is also proud to be the airline that flies to the most countries in the world.
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One&Only Hudson Valley is the brand’s first destination in the Northeast, set within 50 acres of preserved woodland along the Hudson River in Hyde Park, New York. Just 90 minutes from Manhattan, the resort will bring together refined hospitality, the first U.S. Clinique La Prairie Longevity Hub, and immersive culinary experiences developed with the Culinary Institute of America.
A limited collection of just 53 resort-serviced Private Homes will be thoughtfully integrated into the landscape and fully managed by One&Only, with ownership opportunities beginning from $4 million.
2026 Best Playing Pony Sponsor: Mashomack International Polo Challenge
2026 Club Sponsor
U.S. Polo Assn. is the official brand of the United States Polo Association (USPA), the governing body for the sport of polo in the United States and one of the country’s oldest sports governing bodies, founded in 1890. With a multi-billion-dollar global footprint and worldwide distribution through more than 1,100 U.S. Polo Assn. retail stores as well as thousands of additional points of distribution, U.S. Polo Assn. offers apparel, accessories, and footwear for men, women, and children in more than 190 countries worldwide.
For more information, visit uspoloassnglobal.com and follow @uspoloassn.
Hospitality Sponsor
Jewelry Prize Sponsors
2025 Gallery: Mashomack International Polo Challenge
2026 Mashomack Polo Tournament Schedule
Watch a match!
Mashomack welcomes spectators to our tournament matches. Admission for tailgating is free for visitors, except during ticketed events (Mashomack International Polo Challenges) and members-only events. The season is open from May 21 to Sept 21. Follow our social media for daily game schedule updates, or subscribe to our newsletter.
May 22 – 25
Opening Weekend: Practices & First Asado
June 6 – Sept 19th
Polo School and Coaching League
throughout the Season
June 3 – 28
USPA Officers Cup
8 Goal
June 4 – 27
Halcyon Cup
4 Goal
Saturday, June 20
27th International Polo Challenge
(Ticketholders only; no tailgating.)
July 1 – 26
USPA Eduardo Moore Invitational
8 Goal
July 2 – 25
Dan Daly Memorial
4 Goal
July 30 – August 16
USPA Centennial Cup
12 Goal
August 1 – 2
Ladies' Polo Tournament
Presented by What 2 Wear Where
August 1 – 15
Briarcliff Cup
4 Goal
August 19 – 30
USPA Constitution Cup
8 Goal
August 19 – 29
Stissing Mountain Cup
4 Goal
September 2 – 20
USPA Tracey Mactaggart Challenge Cup
8 Goal
September 4 – 19
Fall Classic
4 Goal
September 26 & 27
Smithfield/Shekomeko Open
3x3
For updates or changes in schedules and field assignments due to rain, please call our Polo Hotline: 518-398-1020.
Practices weekly
Coaching League Pro-Am Saturdays
Potrillos (advanced junior polo) Saturdays 9:30am
Junior polo group and Coaching Chukkers available by request
Polo School & Lessons offered throughout the Summer
May 22 – 25
Opening Weekend: Fields Open
June 6 – September 19th
*Polo School Open Tuesday-Sunday
*Coaching League every Saturday
throughout the Season
June 3 – 28
USPA Officers Cup
8 Goal
June 4 – 27
Halcyon Cup
4-Goal
Saturday, June 20
27th International Polo Challenge
(Ticketholders only; no tailgating.)
July 1 – 26
USPA Eduardo Moore Invitational
8 Goal
July 2 – 25
Dan Daly Memorial
4 Goal
July 30 – August 16
USPA Centennial Cup
12 Goal
August 1 – 2
Ladies' Polo Tournament
August 1 – 15
Briarcliff Cup
4 Goal
August 19 – 30
USPA Constitution Cup
8 Goal
August 19 – 29
Stissing Mountain Cup
4 Goal
September 2 – 20
USPA Tracey Mactaggart Challenge Cup
8 Goal
September 4 – 19
Fall Classic
4 Goal
September 26 & 27
Smithfield/Shekomeko Open
3x3
For updates or changes in schedules and field assignments due to rain, please call our Polo Hotline: 518-398-1020.
Practices weekly
Coaching League Pro-Am Saturdays
Potrillos (advanced junior polo) Saturdays 9:30am
Junior polo group and Coaching Chukkers available by request
Polo School & Lessons offered throughout the Summer
Contact us to register players and teams.