1011 upcoming triathlons, from 8 Nov. 2026 to 28 May 2028. The flattest bike course in this list is Patagonman Xtreme Triathlon (2500 m).
Qatar T100
Dec. 10, 2026 · Doha
T100
Open
2026 T100 Triathlon World Championship Final Qatar
Dec. 11, 2026 ·
Olympic
IRONMAN 70.3 Bahrain
Dec. 11, 2026 · Manama
70.3
Open
Qatar T100
Dec. 11, 2026 · Doha
T100
2026 T100 Triathlon Age-Group World Championships Qatar
Dec. 12, 2026 · Lusail
Olympic
Devil's Cross Duathlon Netl
Dec. 12, 2026 · Kraggenburg, Netherlands
Other
Fodaxman Xtreme Triathlon
Dec. 12, 2026 · Balneário Rincão, Brazil
Ironman · Hilly · 4000 m · Sea
Forged For Good Run and Ruck 5k/10k
Dec. 12, 2026 · Peoria, United States
Other
Holiday Classic Triathlon
Dec. 12, 2026 · Anthem, United States
Sprint
Holiday Classic Triathlon
Dec. 12, 2026 · Anthem, United States
Sprint
Holiday Classic Triathlon
Dec. 12, 2026 · Anthem, United States
Sprint
Holiday Classic Triathlon
Dec. 12, 2026 · Anthem, United States
Super sprint
IRONMAN 70.3 Ecuador
Dec. 13, 2026 · Manta
70.3 · Sea
IRONMAN 70.3 Florida
Dec. 13, 2026 · Haines City, United States
70.3 · Lake
Sold out
Kerstrun & Walk Damme - Combo Kerst Run 5 km + 1/4 Viven Triatlon Damme
Dec. 16, 2026 · Damme, Belgium
Olympic
Hydro Run Bike Run competitie
Dec. 19, 2026 · Oldebroek, Netherlands
Other
IRONMAN 70.3 Pucon
Jan. 1, 2027 · Pucon, Chile
70.3 · Lake
IRONMAN 70.3 Pucon
Jan. 10, 2027 · Pucon, Chile
70.3 · Lake
Open
Spring Duathlon Series Adult Race #3
Jan. 16, 2027 · Alma, United States
Sprint
White Continent Triathlon
Jan. 20, 2027 · Minneapolis, United States
Super sprint
Challenge Israman
Jan. 29, 2027 · Eilat, Israel
Ironman
5150 Nelson Mandela Bay
Jan. 30, 2027 · Nelson Mandela Bay, South Africa
Olympic
Open
Challenge Sir Bani Yas
Jan. 30, 2027 · Abu Dhabi, United Arab Emirates
Ironman
IRONMAN 70.3 Nelson Mandela Bay
Jan. 31, 2027 · Port Elizabeth, South Africa
70.3
Opening soon
