HalfRuns
Blacktail Climb

Blacktail Climb

Blacktail Climb offers a scenic mixed-terrain challenge with stunning Flathead Lake views.

Race Date

Oct 3, 2026

Location

Lakeside, MT

Quick facts

Date
Saturday, October 3, 2026
Location
Lakeside, Montana
Distance
Half marathon (13.1 mi)
Course
Point to Point
Terrain
Mixed
USATF certified
Not listed

Highlights

Good For

Destination WorthyPR Friendly

Atmosphere

Party FinishSpectator SupportGreat Post RaceWell Organized

Course

Scenic Route

The Experience

The Blacktail Climb, held annually on October 3rd, invites participants to experience the Flathead Valley from a unique vantage point. This event, hosted by the Lakeside Somers Chamber of Commerce, is set against the dramatic backdrop of Blacktail Mountain.

The course itself is a captivating blend of paved roads and gravel sections, promising a dynamic challenge for runners. Each mile unfolds with breathtaking overlooks of Flathead Lake, enhanced by the crisp autumn air and the vibrant hues of fall foliage. A portion of the proceeds benefits Blacktail QRU, supporting vital community services.

Beyond the race, the Blacktail Climb culminates in a lively outdoor after-party at Tamarack Brewing Company. This celebration features local brews, food, music, and a vendor village, creating a festive atmosphere for all participants, whether they're chasing a personal best or simply enjoying the scenic journey.

Race-provided description

Experience the Flathead Valley from a whole new perspective at the Blacktail Climb on October 3rd—a cycling event that blends endurance, elevation, and incredible views. Set against the backdrop of Blacktail Mountain, this mixed pavement and gravel course challenges riders while rewarding every mile with sweeping overlooks of Flathead Lake, crisp autumn air, and vibrant fall color. Hosted by the Lakeside Somers Chamber of Commerce, this event brings together riders, businesses, and community members in a celebration of both cycling culture and connection. A portion of proceeds will support Blacktail QRU, helping give back to those who serve this mountain and our surrounding community during the winter season. With multiple ways to ride—from the full summit climb to a shorter 10K route, plus a laid-back e-bike fun ride later in the day—there’s truly something for everyone, whether you're pushing for a personal best or simply out to enjoy the experience. The day doesn’t end at the finish line. The Blacktail Climb rolls straight into a lively outdoor after-party at Tamarack Brewing Company, featuring local brews, food, music, and a vendor village. From competitive riders to casual cruisers, this event is all about coming together to ride, connect, and celebrate fall in the Flathead Valley. Below, you’ll find an overview of the ride options, course details, and what’s included for participants.  Summit Race • $80 ($65 before 8.15.26) • Take on the full climb and earn the view at the top; pavement and gravel mix • 13.5 miles / 3,000 vertical ft • Includes chip timing, race shirt, finisher medal, free beer ticket(s), summit snacks, a descent shuttle, and the biggest bragging rights 10K Race • $55 ($50 before 8.15.26) | A shorter, fast-paced challenge with all the fall vibes; mostly paved • 6.2 miles / 1,500 vertical ft • Includes chip timing, race shirt, finisher medal, free beer ticket, summit snacks, and a descent shuttle E-Bike Fall Fun Ride • $35 ($30 before 8.15.26) | Starting later in the day, cruise, climb, and enjoy the experience at your own pace with various stops along the way to take photos, sip cider, and soak in the beauty around you. • No chip timing, but will have the option to add on a race day shirt during registration. Awards will be presented after the event; prizes and categories TBA. For businesses in the cycling, outdoor, and wellness space, this is a unique opportunity to connect directly with your audience—whether through participation, presence in the vendor and demo village, or simply showing your support for the riding community. Sponsorship opportunities available, ranging from $75 to $1,000. Please email lakesidesomers@gmail.com if you're interested in collaborating and being part of this event with us.

Logistics

Race Day

Saturday, October 3, 2026

Start Time

10:00 AM

Giveaway

Performance Long Sleeve Shirt

Start Location

105 Blacktail Rd, Lakeside, MT, 59922

Directions

Course Info

Course Type

Point to Point

Terrain

mixed

Scenery

Lake River, Mountain

Surface

Dirt Trail, Paved

Difficulty

Hilly

Quality Score

Methodology
Heritage0/20

first year

Size0/15

no finisher counts yet

Momentum3/5

small race — neutral

Loyalty0/20

needs a few years of results

Course & details0/15

limited extras

National draw0/10

no finisher data yet

Front-pack speed0/5

no winner time yet

Weather8/10

typical high 62°F

Race Day Weather

5-year historical avg

Start (Low)

50°

Afternoon (High)

62°

Pleasant conditions — light layers at start, comfortable by finish

0.1"

Precipitation

8 mph

Wind

69%

Humidity

Frequently asked

When is the Blacktail Climb?

The Blacktail Climb is held on Saturday, October 3, 2026, starting at 10:00 AM.

Where does the Blacktail Climb take place?

It takes place in Lakeside, Montana.

What distances does the Blacktail Climb offer?

The half marathon (13.1 miles).

Is the Blacktail Climb course flat and good for a PR?

The Blacktail Climb is a hilly, point to point course.

HalfRuns editorial — independent, no paid placement.

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