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Ohio has 24 upcoming Triathlon events across distances like 0K, 1K, 2K, 3K, 4K, 5K, 6K, 7K, 8K, 10K, 12K, 13K, 15K, 17K, 20K, 21K, 22K, 23K, 24K, 25K, 26K, 27K, 28K, 29K, 31K, 32K, 38K, 41K, 43K, 45K, 51K, 52K, 55K, 65K, 68K, 74K, 1690K, 27470K, 31700K. Recent additions include Duck Creek Triathlon, Fun in the Sun Kids Triathlon, Fun in the Sun Kids Triathlon.

24 events
Duck Creek Triathlon
Jun
28
Duck Creek Triathlon
Sun, Jun 28, 2026Howard, United States
Fun in the Sun Kids Triathlon
Jun
28
Fun in the Sun Kids Triathlon
Sun, Jun 28, 2026Kettering, United States
Jun
28
Fun in the Sun Kids Triathlon
Sun, Jun 28, 2026Kettering, United States
Jun
28
Huntington Sprint Triathlon
Sun, Jun 28, 2026Bay Village, United States
Jun
28
Huntington Sprint Triathlon
Sun, Jun 28, 2026Bay Village, United States
Chattahoochee Challenge Sprint Triathlon and Duathlon
Jul
11
+2
Chattahoochee Challenge Sprint Triathlon and Duathlon
Sat, Jul 11, 2026Columbus, United States
2026 Scenic Mountain Triathlon
Jul
12
2026 Scenic Mountain Triathlon
Sun, Jul 12, 2026Richwood, United States
Jul
12
+1
TRILLIUM — A WOMEN'S ONLY EVENT
Sun, Jul 12, 2026Sylvania, United States
Jul
18
First Capital Triathlon
Sat, Jul 18, 2026Chillicothe, United States
Jul
19
+2
Troy Kids Triathlon
Sun, Jul 19, 2026Troy, United States
Aug
2
Lake Metroparks Pirate Triathlon/Paddle Triathlon
Sun, Aug 2, 2026Fairport Harbor, United States
Aug
2
+5
SYLVANIA TRIATHLON, DUATHLON, AQUABIKE & RELAY
Sun, Aug 2, 2026Sylvania, United States
Aug
2
+2
Lima YMCA Kewpee Triathlon & Duathlon
Sun, Aug 2, 2026Lima, United States
Lake Meridian Triathlon
Aug
15
+1
Lake Meridian Triathlon
Sat, Aug 15, 2026Kent, United States
Aug
15
Countryside YMCA Healthy Kids Triathlon
Sat, Aug 15, 2026Lebanon, United States
Aug
15
Shelby YMCA Triathlon Duathlon
Sat, Aug 15, 2026Shelby, United States
Aug
15
Tri-Bulathon
Sat, Aug 15, 2026Ashtabula, United States
Aug
16
+4
Tri CLE
Sun, Aug 16, 2026Cleveland, United States
Barron Lake Triathlon
Aug
22
+1
Barron Lake Triathlon
Sat, Aug 22, 2026Niles, United States
Aug
22
+1
Flight 2 Freedom Adventure Tri
Sat, Aug 22, 2026Belmont, United States
Aug
29
+1
Loveland Frogman Race
Sat, Aug 29, 2026Loveland, United States
Bowling Green Sprint Triathlon & Kids Triathlon
Aug
30
+3
Bowling Green Sprint Triathlon & Kids Triathlon
Sun, Aug 30, 2026Bowling Green, United States
The Zoom RedHawk Triathlon & Multisport Festival
Sep
13
+18
The Zoom RedHawk Triathlon & Multisport Festival
Sun, Sep 13, 2026College Corner, United States
Jun
12
+2
Napoleon Triathlon Presented By Henry County Hospital
Sat, Jun 12, 2027Napoleon, United States