Swimming Race Calendar in California, United States

Oct

MPSF Open Water Championships - Masters/Open 5 Kilometer and 1 Kilometer Open Water Swim

Long Beach, California, United States

$100.00

Swimming

Oct

MPSF Open Water Championships - Masters/Open 5 Kilometer and 1 Kilometer Open Water Swim

Long Beach, California, United States

Oct 17, 2026 (Sat)

$100.00

Swimming

2026 Cal Tri LA - 10.18.26

Playa Del Rey, California, United States

Oct 18, 2026 (Sun)

$53.86 - $178.86

Triathlon, Running, Swimming

Ultra 5K 1.5K 10K +1

2026 Optimism Cal Tri Newport Dunes - 11.1.26

Newport Beach, California, United States

Nov 1, 2026 (Sun)

$53.86 - $178.86

Triathlon, Running, Swimming

Ultra 4.8K 1.5K 9.7K

Cal Tri Lake Perris - 4.11.27

Perris, California, United States

Apr 11, 2027 (Sun)

Free - $500.00

Triathlon, Aquabike, Swimrun, Swimming, Running, Duathlon

Sprint Triathlon Olympic Triathlon Youth Sprint Triathlon Sprint RunBikeRun (5km run, 15km bike, 5km run) +15

Cal Tri Ventura - 5.2.27

Ventura, California, United States

May 2, 2027 (Sun)

$28.86 - $500.00

Triathlon, Duathlon, Aquabike, Swimrun, Swimming, Running

Sprint Triathlon Ultra Sprint RunBikeRun (5km run, 22km bike, 5km run) Sprint SwimBike +9

Big River Adventure

Mendocino, California, United States

May 22, 2027 (Sat)

$10.00 - $35.00

Running, Walking, Swimming, Paddle sports

Kiddie Race 5K 10K Big River Swim +2

Cal Tri Castaic Lake - 6.19.27

Castaic, California, United States

Jun 19, 2027 (Sat)

Free - $500.00

Triathlon, Aquabike, Swimrun, Swimming, Running, Duathlon

Sprint Triathlon Olympic Triathlon Youth Sprint Triathlon Sprint RunBikeRun (5km run, 15km bike, 5km run) +15

Cal Tri La Crema - 6.27.27

Guerneville, California, United States

Jun 27, 2027 (Sun)

$28.86 - $500.00

Triathlon, Aquabike, Swimming, Running

Sprint Triathlon Olympic Triathlon Sprint SwimBike Sprint Swim (400 yards) +4

Tri Santa Cruz

Santa Cruz, California, United States

Aug 8, 2027 (Sun)

$75.00 - $345.00

Triathlon, Aquabike, Swimrun, Duathlon, Swimming, Running

International Triathlon International Clydesdales & Athena International Relay Team International Aquabike +16

Oceanside Pier Swim -

Oceanside, California, United States

Sep 6, 2027 (Mon)

$50.00

Swimming

1.6K Wetsuit - 2027 Oceanside Pier Swim

Redondo Beach Swim the Avenues

Redondo Beach, California, United States

Sep 13, 2026 (Sun)

Swimming

1.9K 0.8K

La Jolla Cove Swim

La Jolla, California, United States

Sep 12, 2026 (Sat) – Sep 13, 2026

Swimming

2.4K 1.6K 4.8K 6.4K