THE ICE AGE IS BACK!

The Mammoth ICE AGE returns in 2026! RUN, WALK, PULL or STROLL your way to the finish thru the heart of the BEST Historic Small Town in America - Granbury, Texas!  We are kicking off the WINTER-GUEST TOURISM SEASON alongside Visit Granbury with their much anticipated annual Winter Event - THE GOOSEBUMP JUMP!

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After your epic finish, you will want to hop on over just across the street to CITY BEACH PARK to continue the Winter-Guest Celebration in the CELEBRATION CAPITAL OF TEXAS - where there will be a 100% chance of SNOW!

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Visit Granbury – The City of Granbury Convention & Visitors Bureau (CVB), is challenging the community, civic organizations, charitable organizations, and brave individuals to help kick off the Winter-Guest Tourism Season by jumping into the frigid waters of Lake Granbury Saturday, January 17th at City Beach Park. 

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• AWARDS for TIMED EVENTS. FIRST PLACE ONLY. Male and Female - Age Categories: 13-17; 18-24;  25-34; 35-44; 45-54; 55-64; 65 and over 

• Finisher Medals and Beanies for Ages 6 and UP.

• PETS ARE NOT ALLOWED. USATF sanctioned event policy does not allow for animals to participate in the event. ​

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The Mammoth ICE AGE 5K City Run is an OUT and BACK course that will begin and end at Hewlett Park, utilizing the PAVED Hike and Bike Trail system. 

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​LOCATION

Hewlett Park

650 W Pearl St 

Granbury, TX 76048

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TERRAIN

Road and PAVED Trail​​​

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RACE DAY SCHEDULE

0900AM - 5K Start​

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CLASSIC WOOLY SWAG​

Participants ages 6 and UP will receive a CUSTOM Mammoth ICE AGE Performance Knit BEANIE and a Classic Cool Finisher's Medal. 
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PACKET PICK-UP

Race Day on-site

Jan 17, 2026

0800 am

Hewlett Park - Event Registration/Staging

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PARKING

Free Parking at Hewlett Park - Parking Lot

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INCLEMENT WEATHER

The Mammoth ICE is RAIN or SHINE. However should the weather take a turn for the worst and conditions become unsafe as determined by the Race Director and City Officials, the event may be cancelled, postponed or re-routed for the safety of all participants. There will be NO refunds if Race is Cancelled for Inclement Weather.​​​