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View all ↓Triathlon in Ontario 2025 - 2026
The most comprehensive list of Ontario Triathlon Events in 2025 - 2026. Discover 100's of US Ontario Triathlon. Find your perfect race here!
Triathlon Ontario 2025 - 2026
The Springbank Sprint
London, ON
05 Apr 25
$7.69 - $70.88
Cornwall Multisport Club - Spring Duathlon 2025
Long Sault, ON
03 May 25
Free
Hometown Run For Youth Special Olympics
North Bay, ON
04 May 25
$7.64 - $50.81
Okanagan Triathlon Training Camp
Swansea, BC
08 May 25
$647.25
TRi KiDS Triathlon Series LONDON, ON
London, ON
25 May 25
$66.51 - $76.32
Gravenhurst - Sat June 7 and Sun Jun 8
Gravenhurst, ON
07 Jun 25
$133.55 - $192.77
TRi KiDS Triathlon Series BURLINGTON, ON
Burlington, ON
08 Jun 25
Subaru Triathlon Series - Guelph Lake 1
Guelph, ON
14 Jun 25
$82.86 - $198.32
Rose City (Welland) - Sat June 21 and Sun June 22
Welland, ON
21 Jun 25
$85.11 - $171.23
Lil Bones Triathlon
Brantford, ON
22 Jun 25
$66.98
Bracebridge - Sat July 12 and Sun July 13
Bracebridge, ON
12 Jul 25
$85.11 - $171.23
PureKids Triathlon Series Powered by Subway
Windsor, ON
13 Jul 25
$56.20
Bluewater Triathlon and Duathlon - 2025
Sarnia, ON
19 Jul 25
$13.14 - $116.62
Lakeshore Women's Triathlon
Port Elgin, ON
19 Jul 25
$83.17 - $88.57
Subaru Triathlon Series - Owen Sound
Owen Sound, ON
20 Jul 25
$99.19 - $198.32
K-Town (Kingston) - Sun July 20
Kingston, ON
20 Jul 25
$113.10 - $199.23
Ironkid Triathlon 2025
Sarnia, ON
20 Jul 25
$24.03
Cornwall Multisport Club - Open Water Swim 2025
Cornwall, ON
25 Jul 25
$10.00
Toronto Triathlon Festival
Toronto, ON
27 Jul 25
Subaru Triathlon Series - Niagara
Grimsby, ON
09 Aug 25
$82.86 - $176.53
Barrie - Sat Aug 9 and Sun Aug 10
Barrie, ON
09 Aug 25
$49.58 - $160.46
Toronto Island - Sat Aug 16 and Sun Aug 17
Toronto, ON
16 Aug 25
$85.11 - $160.46
TRi KiDS Triathlon Series NIAGARA (PORT COLBORNE), ON
Port Colborne, ON
17 Aug 25
$66.51 - $76.32
Wasaga Beach - Sat Aug 23
Wasaga Beach, ON
23 Aug 25
$117.40 - $171.23
2025 Cornwall Youth Triathlon
Cornwall, ON
23 Aug 25
$35.00 - $45.00
2025 Cornwall Triathlon - Adult Day
Cornwall, ON
24 Aug 25
$30.00 - $450.00
Subaru Women's Triathlon Festival
Grimsby, ON
24 Aug 25
$78.50 - $154.75
Subaru Triathlon Series - Guelph Lake 2
Guelph, ON
30 Aug 25
$82.86 - $176.53
TRi KiDS Triathlon Series MILTON, ON
Milton, ON
31 Aug 25
Lakeside - Sat Sept 6 and Sun Sept 7
Lakeside, ON
06 Sep 25
$49.58 - $177.70
Cornwall Multisport Club - Fall Duathlon 2025
Long Sault, ON
13 Sep 25
Free
Barrelman Niagara Falls
Welland, ON
14 Sep 25
$176.53 - $492.41
Showing 1-32 of 32 results