Big Day Brewing Spring Trail Run / Walk Series
6-WEEK SERIESA weekly trail running/walking series for all abilities and ages. Every Thursday for 6 weeks, racers can run/walk the long, short, or mini courses between 3:30 and 6:30 pm. Options for timed or untimed!
- Thursdays, May 8 - June 12, 2025
- 3:30 - 6:30 pm
Big Day Brewing Summer Mountain Bike Series
Presented by CamelbakA weekly mountain bike series for all abilities and ages. Every Tuesday for 6 weeks, racers can ride the long, short, or mini courses between 3:30 and 6:45pm. Register online — no fees!
- Tuesdays, June 24 - July 29, 2025
- 3:30 - 6:45 pm
Seek the Peak
The largest annual fundraiser for the Mount Washington Observatory is proudly hosted at the base of Mt. Washington Auto Road. All outdoor enthusiasts are invited to raise funds, set goals, and earn gear!
Saturday Jul 19, 2025
Big Day Brewing 24 Hours of Great Glen
24 or 12 Hour Mountain bike raceJoin us for the best bike race and party of the summer. Register as a solo competitor or a team of two, four, or five on the 9 mile course throughout Great Glen Trails.
- August 2-3, 2025
- Sponsored by Big Day Brewing
- Presented by Specialized Bikes & Mountain Sports Lab
- Families and friends welcome
Big Day Brewing Fall Trail Run / Walk Series
Sponsored by Belong DesignsA weekly trail running/walking series for all abilities and ages. You can enjoy the series as a timed racer, or untimed — just to get out each week and enjoy the fresh air.
- Thursdays September - Mid October, 2025
- 3:30 - 6:15 pm
Skier's Open House
- Snacks & Drinks provided
- 10% off store wide
- Save 50% on select clothing, boots, and skis
- Package discount
- Door prizes / raffle benefiting kids program
- Up to 30% off selected Swix Wax
- Discounts on season passes
- Friday November 22, 2024
- 4:00 - 7:00 pm
Great Glen Trails Holiday Craft Fair
A fundraiser to support our kids ski clubDitch the big box stores and support local artisans and crafters from around the region. Prize raffle all day long. Snacks and delicious baked goods available.
- Saturday, November 30, 2024
- 9:00 am - 3:00 pm
Bill Koch League
Kids Ski ClubWe emphasize having fun, making new friends, and learning and improving skills all while sliding on snow.
- Sundays, Jan 5 to Mar 9
- 1:30-3:30 pm
GGT & JXC Nordic Development Program
Nordic Athletes Ages 11-15GGT & Jackson XC are teaming up this year to provide a weekly training session for junior skiers looking to develop their skiing in a team format.
- Sundays, December 15 to Mar 2
- 1:30-3:30 pm
- Rotating between GGT & JXC
Nordic Meisters
Great Glen is THE place to raceOur 30th year of nordic racing! Ski, Snowshoe, Fatbike—or do all three! Timed or untimed, join the camaraderie of skiers, runners, and riders in this fun and engaging race series.
- Tuesdays, January 7 - March 4, 2025
- 10:00 am - 4:00 pm
Demo Day
Free Demos with Trail PassNordic Demo Day features representatives with the latest in skis, boots, poles, wax and accessories. Demo gear is included with the purchase of a Great Glen Trails pass. Plus 20% off all in-stock items in the Outfitters Shop.
- Saturday, January 11, 2025
- 10:00 am - 3:00pm
Women's Winter Escape
Learn from the bestFeaturing a variety of activities with other women in small groups, providing for personalized attention from expert instructors.
- January 18 & 19, 2025
- 8:15 am
M. W. Otto Rhode Memorial Skin & Ski
Skin and ski the Auto RoadA fundraiser for the Granite Backcountry Alliance, this is the ONLY day in the calendar year when you can skin up and ski / snowboard down the legendary Mt. Washington Auto Road.
- Saturday, January 25, 2025
- 11:30 am
- Organized by the Granite Backcountry Alliance
Snow Sculpting Competition
Teams from across the NortheastCome see how sculptors take an 8 foot high by 4 foot cylinder of compacted snow and create incredible art frozen in time.
- Friday, Jan 31 to Sunday, Feb 2, 2025
- Free to attend
- Organized by the Jackson Chamber of Commerce
Salomon Night Sprints
Cancelled due to low tempsBringing night racing back to the Glen for our 30th anniversary season. Cross country races, hot cocoa, and a fire pit. What could go wrong?
- Tuesday, February 18, 2025
- 6:00 pm START
Ski, Shoe, Fatbike to the Clouds
North America’s Toughest 10KPick a discipline! Nordic ski, snowshoe, or fatbike on this challenging race course that uses 4k of the Great Glen Trails system, and then 6k on the snow covered Mt. Washington Auto Road, gaining 2,200 feet of elevation!
- Sunday, February 23, 2025
- 10:00 am