1011 upcoming triathlons, from 8 Nov. 2026 to 28 May 2028. The flattest bike course in this list is Patagonman Xtreme Triathlon (2500 m).
USA Triathlon Multisport National Championships Festival
May 20, 2027 · Walker, United States
Super sprint
USA Triathlon Multisport National Championships Festival
May 20, 2027 · Walker, United States
Sprint
USA Triathlon Multisport National Championships Festival
May 20, 2027 · Walker, United States
Super sprint
USA Triathlon Multisport National Championships Festival
May 20, 2027 · Walker, United States
Super sprint
American Triple
May 21, 2027 · Perrysville, United States
Olympic
American Triple
May 21, 2027 · Perrysville, United States
70.3
HYROX Portland
May 21, 2027 · Portland, United States
Other
2026 HarryMan Triathlon
May 22, 2027 · Stony Point, United States
70.3
2026 HarryMan Triathlon
May 22, 2027 · Stony Point, United States
Sprint
2027 Woman of Steel Triathlon
May 22, 2027 · American Fork, United States
Super sprint
2027 Woman of Steel Triathlon
May 22, 2027 · American Fork, United States
Super sprint
2027 Woman of Steel Triathlon
May 22, 2027 · American Fork, United States
Super sprint
2027 Woman of Steel Triathlon
May 22, 2027 · American Fork, United States
Super sprint
American Triple
May 22, 2027 · Perrysville, United States
Other
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Sprint
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Olympic
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Sprint
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Super sprint
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Super sprint
Lake Lou Yaeger Triathlon
May 22, 2027 · Litchfield, United States
Olympic
Miles for the Mind
May 22, 2027 · Milwaukee, United States
Other
Onion Man Triathlon
May 22, 2027 · Walla Walla, United States
Olympic
Onion Man Triathlon
May 22, 2027 · Walla Walla, United States
Super sprint
Onion Man Triathlon
May 22, 2027 · Walla Walla, United States
Olympic