December 4, 2025

Too Many Endurance Athletes Are Racing on Too Few Carbs, Study Finds

It’s well known that big efforts can’t be completed on pure grit alone. This is why most endurance athletes make it a habit of bringing along some fuel for their workouts and races, be it sports drinks, sugary gels, or chewy gummies. Nutrition can keep gas in your tank so...

December 4, 2025

IRONMAN Releases 2025 IRONMAN Pro Series RaceRanger Data, Highlighted by More Than 25% Reduction in Average Illegal Drafting Time from Prior Year; IRONMAN To Expand RaceRanger to More Events in 2026

RaceRanger data inclusive of average illegal drafting times and Yo-Yo counts for all 2025 IRONMAN Pro Series events Individualized reports to be delivered to every IRONMAN Pro Series professional athlete to support further learning and development towards clean racing practices IRONMAN expands implementation of RaceRanger beyond IRONMAN Pro Series to...

December 4, 2025

UAE Team Emirates-XRG Partners with CORE to Advance Heat-Smart Performance in WorldTour Cycling

ZURICH, SWITZERLAND (December 4, 2025) /ENDURANCE SPORTSWIRE/ – CORE, the Swiss-engineered body temperature sensor used by elite athletes worldwide, today announced a new performance partnership with UAE Team Emirates-XRG, integrating real-time core temperature monitoring into the team’s training, racing, and environmental preparation strategies for the 2026 WorldTour season. The partnership...

December 4, 2025

Biggest Sale of The Season: 2026 Celsius Rock ’N’ Roll Las Vegas Announces 24-Hour Winter Sale

LAS VEGAS, Nev. /ENDURANCE SPORTSWIRE/ - The Rock ‘n’ Roll® Running Series’ is ringing in the holiday season and motivating athletes for a strong start to the New Year with a one-day Winter Sale beginning at midnight Pacific on Wednesday, December 3, 2025, offering the biggest savings of the season...

December 4, 2025

CLASH Endurance Daytona 2025 Set For This Coming Weekend

December 4, 2025 /ENDURANCE SPORTSWIRE/ - WHO: More than 2,000 athletes representing more than 11 countries and 40 states alongside 1,000 spectators and 300 volunteers. Participants will range in age from 4 to 70 years young. WHAT: Each year, CLASH Endurance draws thousands of competitors and spectators to Daytona for...

December 4, 2025

Biofreeze Named Presenting Sponsor of the 2026 Surf City Marathon

HUNTINGTON BEACH, Calif. (December 4, 2025) /ENDURANCE SPORTSWIRE/  – The Surf City Marathon has announced Biofreeze, a Reckitt brand, as the presenting sponsor ahead of the 2026 event, taking place Sunday, Feb. 1, 2026. The partnership will introduce multiple event-enhancing experiences for participants, including new on-course “Pain Relief Zones,” product...

December 4, 2025

Inaugural GFNY San Luis Potosí closes 15th GFNY season

New York City (December 4, 2025) /ENDURANCE SPORTSWIRE/ - This Sunday, cyclists from around the world will take on the inaugural edition of GFNY San Luis Potosí, the newest addition to the GFNY Global Endurance Sports Series. As the host of the GFNY North American Championship, the race features a...

December 4, 2025

GiveWheel launches live fundraising initiative for delegates at second annual Triathlon Industry Conference 2025 (TIC25)

December 4, 2025 /ENDURANCE SPORTSWIRE/ - Triathlon Industry Alliance (TIA) has revealed that GiveWheel, the ‘powered by’ partner for the Triathlon Industry Conference 2025 (TIC25), will deliver a unique donor-led fundraising initiative at the conference on Monday 8th December 2025 at Burleigh Court, Loughborough. The official powered by partner for TIC25,...

December 3, 2025

Women’s ridership grows sharply at RBC GranFondo Whistler

Vancouver, BC (December 3, 2025) /ENDURANCE SPORTSWIRE/ – RBC GranFondo Whistler is proud to announce continued progress in its 6-year diversity initiative, Project 30by30, aimed at reaching 30% women’s participation by the year 2030. In 2025, the event achieved a continued high of 24% female ridership, up from 21.3% in...

December 3, 2025

Idaho man wears 137 T-shirts for half-marathon world record

If you’ve ever wondered how to layer while running, Idaho’s David Rush is your guy. On May 17 in Boise, Idaho, Rush bundled up into 137 T-shirts and completed the Famous Idaho Potato Marathon half-marathon in 2:51:44, which, as of last week, became a new Guinness World Record for the most T-shirts worn...