Triathlon / Multisport

A triathlon is an endurance multisport race consisting of swimming, cycling, and running over various distances. Find triathlons and multisport events.

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IRONMAN 70.3 Boulder

Jun

12

27

Boulder

,

Colorado

Half Ironman

Best in the West Triathlon Festival

Jun

12

27

Eugene

,

Oregon

5K

Half Marathon

Sprint

Olympic

Ironman

Innsbrook Triathlon

Jun

12

27

,

Missouri

Olympic

IRONMAN 70.3 Eagleman

Jun

13

27

Cambridge

,

Maryland

Half Ironman

Grand Rapids Triathlon

Jun

13

27

Grand Rapids

,

Michigan

Kids

Relay

Sprint

Olympic

Ironman

The Huntington Bank Grand Rapids Triathlon

Jun

13

27

,

Michigan

Olympic

Sprint

Relay

Half Ironman

2027 Cal Tri DC

Jun

13

27

,

Maryland

Olympic

Sprint

BOZEMAN TRIATHLON

Jun

13

27

Bozeman

,

Montana

Sprint

Hyannis 1 Triathlon

Jun

19

27

Craigville

,

Massachusetts

Sprint

Olympic

Huntington Lake Triathlon, 5k & 10k

Jun

19

27

,

California

10K

5K

Sprint

Olympic

2027 Cal Tri Castaic Lake

Jun

19

27

,

California

Sprint

Olympic

PDX Triathlon Festival

Jun

20

27

Portland

,

Oregon

10K

Olympic

Sprint

2027 Lake Pflugerville Triathlon

Jun

20

27

,

Texas

Olympic

Sprint

Whitefish Lake Triathlon (Presented by Whitefish.com)

Jun

26

27

Whitefish

,

Montana

Sprint

Black Diamond Triathlon

Jun

27

27

Enumclaw

,

Washington

Relay

Sprint

Olympic

IRONMAN 70.3 Coeur d'Alene

Jun

27

27

Coeur d’Alene

,

Idaho

Half Ironman

2027 Cal Tri La Crema

Jun

27

27

Guerneville

,

California

Olympic

Sprint

5K

TriWaco Triathlon

Jun

27

27

Waco

,

Texas

Sprint

Columbia River Triathlon & Endurance Sports Festival

Jul

10

27

Vancouver

,

Washington

5K

10K

Kids

Relay

Sprint

La Porte Triathlon

Jul

10

27

,

Indiana

Sprint

Lake Whatcom Triathlon

Jul

10

27

Bellingham

,

Washington

Sprint

Olympic

IRONMAN 70.3 Muncie

Jul

10

27

,

Indiana

Half Ironman

Logan Triathlon - Cache Valley Super Sprint Triathlon

Jul

10

27

Logan

,

Utah

Super Sprint

Columbia River Triathlon

Jul

10

27

Vancouver

,

Washington

10K

5K

Olympic

Sprint

IRONMAN 70.3 Musselman

Jul

11

27

Geneva

,

New York

Half Ironman

Girlfriends Triathlon and Fitness Festival

Jul

11

27

Vancouver

,

Washington

Relay

Sprint

10K

5K

Falmouth Sprint Triathlon

Jul

11

27

Falmouth

,

Massachusetts

Sprint

IRONMAN 70.3 Ruidoso New Mexico

Jul

11

27

Ruidoso

,

New Mexico

Half Ironman

IRONMAN 70.3 Oregon

Jul

18

27

Salem

,

Oregon

Half Ironman

IRONMAN 70.3 Ohio

Jul

18

27

,

Ohio

Half Ironman

2027 Cal Tri Williamsburg

Jul

18

27

Williamsburg

,

Virginia

Olympic

Sprint

Ballwin Triathlon

Jul

18

27

,

Missouri

Olympic

Montana Women's Triathlon

Jul

18

27

Helena

,

Montana

Sprint

Supertri New Jersey

Jul

18

27

,

New Jersey

Olympic

Sprint

Ultraman Canada

Jul

23

27

Penticton

,

British Columbia

200 Mile

100 Mile

U.M. Canada 515

Jul

23

27

,

British Columbia

100 Mile

IRONMAN 70.3 Boise

Jul

24

27

Boise

,

Idaho

Half Ironman

IRONMAN Lake Placid

Jul

25

27

Lake Placid

,

New York

Ironman

IRONMAN 70.3 Maine

Jul

25

27

Augusta

,

Maine

Half Ironman

XTERRA Portland

Jul

31

27

Portland

,

Oregon

Kids

Sprint

Olympic

Jul

31

27

South Berwick

,

Maine

100 Mile

Hagg Lake Triathlon and Trail Festival

Aug

07

27

Gaston

,

Oregon

5K

Half Marathon

Sprint

Olympic

Aug

07

27

Coeur d’Alene

,

Idaho

Olympic

2027 Brigantine Beach Triathlon

Aug

07

27

,

New Jersey

Sprint

YFC Seeley Lake Challenge Triathlon/Duathlon

Aug

07

27

,

Montana

Olympic

Sprint

Super Sprint

Aug

08

27

Santa Cruz

,

California

Olympic

June Lake Triathlon

Aug

14

27

Mammoth Lakes

,

California

Sprint

Olympic

Michigan Titanium

Aug

15

27

,

Michigan

Kids

Relay

Sprint

Olympic

Ironman

Splash Summit Triathlon 2027

Aug

21

27

Provo

,

Utah

Sprint

Super Sprint

Supertri Chicago

Aug

21

27

Chicago

,

Illinois

Sprint

Olympic