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Triathlons 2025 - 2026

Triathlons combine swimming, cycling, and running into one of the most popular all-round physical challenges. There are a huge variety of types of triathlons to choose from in terms of distances, cycle and run terrain options, and whether the swim is in a pool, in open water (eg lake), or even the sea.

What Triathlons Distances Are There?

Super Sprint Triathlons: 400m swim; 10km bike; 2.5km run.

Sprint Triathlons: 750m swim; 20km bike; 5km run.

Olympic Triathlons (aka Standard Triathlons): 1500m swim; 40km bike; 10km run.

Half Ironman Triathlons: 1.9km swim; 90km bike; 21.1km run. (This distance is also known as a β€œ70.3” which refers to the total race distance in miles.)

Ironmanβ„’ Triathlons: 3.86km (2.4 miles) swim; 180.25km (112 miles) bike; 42.2km (26.2 miles) run. As Ironmanβ„’ is a trademark, these are also known as β€˜Iron distance events.

Triathlons Near Me

If you’re looking for a true multisport challenge, you’ll discover it with our US triathlon calendar. Whether you’re new to the sport and looking for your first Super Sprint triathlon or a hardened triathlete looking for a Double Ironman distance event, check out our comprehensive full 2025 - 2026 triathlon list below, or if you know which distance you want to search for simply use the links above. Filter by location to find your nearest Triathlons or take a look at the biggest and best events in California, Texas, Phoenix, Florida, and Ohio.

Triathlons 2025 - 2026

πŸš€Boosted

Lake Terramuggus Sprint Triathlon #4

Marlborough, Connecticut
31 Jul 25
$38.10 - $69.90
πŸš€Boosted

She Tris Sprint Triathlon- Winterville (NC)

Winterville, North Carolina
11 Oct 25
$103.18 - $188.38
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A Tri in the Buff presented by Love & Sprockets

Irving, New York
12 Jul 25
$107.00 - $160.00

Shawnee Mission Triathlon and Duathlon

Lenexa, Kansas
13 Jul 25
$43.40 - $175.90

Falmouth Sprint Triathlon

Falmouth, Barnstable
13 Jul 25
$165.00 - $325.00

Grand Haven Triathlon

Grand Haven, Michigan
13 Jul 25
$65.75 - $181.64

Sunrise Triathlon OWS

Shreveport, Louisiana
13 Jul 25
$91.10 - $300.25

DAM SPRINT TRIATHLON + DUATHLON

Amesbury, Massachusetts
13 Jul 25
$85.80 - $186.50

TRILLIUM Β A WOMEN'S ONLY EVENT

Sylvania, Ohio
13 Jul 25
$86.30

Game On! Palm Beaches Triathlon

Singer Island, Florida
13 Jul 25
$137.74 - $233.14

AdventHealth Cool Sommer Mornings Triathlon\Duathlon\5K Series #2

Clermont, Florida
13 Jul 25
$48.70 - $165.30

2025 Scenic Mountain Triathlon

Richwood, West Virginia
13 Jul 25
$82.50 - $148.50

Tri Louisville

Louisville, Kentucky
13 Jul 25
$84.74 - $201.34

XTERRA EX2

Flintstone, Maryland
13 Jul 25
$59.30 - $107.00

JAMESPORT TRIATHLON

Riverhead, New York
13 Jul 25
$99.00 - $250.00

East Bay Kids Triathlon

Hayward, California
13 Jul 25
$95.00 - $105.00

Lake Terramuggus Sprint Triathlon #3

Marlborough, Connecticut
17 Jul 25
$38.10 - $69.90

Survive the Night Relays

Lexington, Kentucky
18 Jul 25 - 19 Jul 25
$64.60 - $421.00

TriWalloon

Walloon Lake, Michigan
19 Jul 25
$117.60 - $170.60

Indy Sprint Tri #1

Indianapolis, Indiana
19 Jul 25
$69.90 - $122.90

NANTUCKET TRIATHLON

Nantucket, Massachusetts
19 Jul 25
$186.50 - $289.75

Sullivan Lake Triathlon 2025

Metaline Falls, Washington
19 Jul 25
$59.30 - $80.50

RipRoar Youth Triathlon | Waukee

Waukee, Iowa
19 Jul 25
$54.85

Cereal City Triathlon & Duathlon

Battle Creek, Michigan
19 Jul 25
$81.00

The Woodlands YMCA Kids Triathlon

The Woodlands, Texas
19 Jul 25
$48.70

Springfield Kids Triathlon

Springfield, Illinois
19 Jul 25
$31.40 - $36.55

Tri In July

Bartlesville, Oklahoma
19 Jul 25
$43.40 - $160.00

TRI Mountain Lake

Liberty Township, New Jersey
19 Jul 25
$54.50 - $107.50

Parker Parks and Recreation Kids' TRY-athlon

Parker, Colorado
19 Jul 25
$38.10

Park 2 Park Triathlon

Hickman, Nebraska
19 Jul 25
$48.70

Kids Triathlon - South Bend

South Bend, Indiana
19 Jul 25
$25.00

TRI-It Racing Clubs Territorial Triathlon Series

Guthrie, Oklahoma
19 Jul 25
Free - $150.00

2025 Cal Tri Williamsburg - 7.20.25

Williamsburg, Virginia
20 Jul 25
Free - $526.00

Appleman Triathlon/Duathlon/AquaBike

Littleton, Massachusetts
20 Jul 25
$91.10 - $138.80

Pioneer Power Sprint Triathlon & 5k

Denton, Texas
20 Jul 25
$32.50 - $177.05

Seafair Triathlon

Seattle, Washington
20 Jul 25
$34.48 - $105.72

Green Lake Triathlon

Green Lake, Wisconsin
20 Jul 25
$96.80 - $453.10

Columbia Association KIDS Triathlon

Columbia, Maryland
20 Jul 25
$59.30

TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event

Middleville, Michigan
20 Jul 25
$32.80 - $181.20

Troy Kids Triathlon

Troy, Ohio
20 Jul 25
$27.75

Ballwin Triathlon

Ballwin, Missouri
20 Jul 25
$28.29 - $103.01

Reston Youth Triathlon

Reston, Virginia
20 Jul 25
$44.30
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