www.susitna100.com

Susitna 100

location_on

Big Lake, Alaska, United States

calendar_today 14 Feb, 2026 – 16 Feb, 2026

directions_bike Cycling

directions_run Running

downhill_skiing Winter sports

language Official Website

sell $170.00 – $270.00

About the Event

Answer the ultimate call of the Arctic winter at the legendary Susitna 100M and Little Su 50K, Alaska's premier human-powered wilderness races set in the breathtaking, snow-covered landscape near Big Lake from February 14-16, 2026. The epic Susitna 100 challenges athletes to trek, ski, or bike 100 miles across the frozen Susitna River valley, while the Little Su 50K offers a formidable yet accessible entry into true winter ultra-racing. This is more than a race; it's a profound adventure where self-reliance, mandatory survival gear, and the raw, majestic beauty of the Alaskan wilderness test your spirit against the elements. With marked trails, a supportive community, and the unparalleled satisfaction of conquering the far north, these events are iconic rites of passage for global adventurers. Secure your spot for an unforgettable journey under the winter sky.

Races Offered

100 Mile Bike

Feb 15, 2026

straighten

Distance — 160.9K

terrain

Type — Cycling, Running

timer

09:00

sell

$270.00

100 Mile Run

Feb 15, 2026

straighten

Distance — 160.9K

terrain

Type — Cycling, Running

timer

09:00

sell

$270.00

100 Mile Ski

Feb 15, 2026

straighten

Distance — 160.9K

terrain

Type — Cycling, Running

timer

09:00

sell

$270.00

50K Bike

Feb 15, 2026

straighten

Distance — 50K

terrain

Type — Cycling, Running

timer

09:00

sell

$170.00

50K Run

Feb 15, 2026

straighten

Distance — 50K

terrain

Type — Cycling, Running

timer

09:00

sell

$170.00

50K Ski

Feb 15, 2026

straighten

Distance — 50K

terrain

Type — Cycling, Running

timer

09:00

sell

$170.00

Weather Overview

These values represent the 3-year monthly averages for February in Big Lake.

Temp (°C)

Feels Like (°C)

thermostat -10.5° / -3.5°

wb_sunny -15.8° / -7.8°

Wind (km/h)

Humidity (%)

air 9.2 /

water_drop 78.3%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat -10.5° / -3.5°

wb_sunny -15.8° / -7.8°

air 9.2 km/h

water_drop 78.3%

Hotels & Places to Stay

Video

Watch highlights and course previews from previous years.

Nearby Races

Explore other exciting events happening in this same region.

Frostbite Footrace

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calendar_today Feb 28, 2026

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Shamrock Shuffle

location_on Anchorage, Alaska, US

calendar_today Mar 14, 2026

Homer Epic 50/100

location_on Kachemak City, Alaska, US

calendar_today Mar 07, 2026

50K Ultra

Get Moving Mat-Su Valley Dash

location_on Wasilla, Alaska, US

calendar_today May 13, 2026

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Susitna 100

About the Event

Races Offered

100 Mile Bike

100 Mile Run

100 Mile Ski

50K Bike

50K Run

50K Ski

Weather Overview

Hotels & Places to Stay

Video

Nearby Races

Frostbite Footrace

Shamrock Shuffle

Homer Epic 50/100

Get Moving Mat-Su Valley Dash

Recommended for You

Run Manatee - Rye Preserve 5K -2026

Turkey Trails - Sioux Falls

Candy Cane Course- Lincoln

Space Coast Triathlon and Duathlon

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