2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K 2026
- Date
- Sunday, October 11, 2026
- Start time
- 6:40 AM start (Los Angeles)
- Location
- San Diego, California
- Entry fee
- From $46 · goes up to $139 on Oct 11, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Aquabike (Swim/Bike) - Sprint | AquabikeOpen water swim | Oct 11, 20266:40 AM | $129$139 after Oct 11, 2026 | – |
| Aquathlon (Swim-Run) - Sprint | – | Oct 11, 20266:40 AM | $129$139 after Oct 11, 2026 | – |
| Duathlon - 1 Mile Run-19K (11.6 mi) Bike-5K Run | DuathlonRun 1 mi · Bike 11.6 mi · Run 3.1 mi | Oct 11, 20266:40 AM | $193$203 after Oct 11, 2026 | – |
| Duathlon-Duo Racer (Challenged Only) | DuathlonRelay or team | Oct 11, 20266:40 AM | $193$203 after Oct 11, 2026 | – |
| Itsy Bitsy Triathlon (Ages 7-10) | Kids TriathlonOpen water swim | Oct 11, 20266:40 AM | $72$82 after Oct 11, 2026 | – |
| Mini Sprint (Ages 11+) | Sprint TriathlonOpen water swim | Oct 11, 20266:40 AM | $135$145 after Oct 11, 2026 | – |
| Mission Bay 5K | 5K | Oct 11, 20266:40 AM | $46$51 after Oct 11, 2026 | – |
| Triathlon-International | Olympic TriathlonOpen water swim | Oct 11, 20266:40 AM | $304$314 after Oct 11, 2026 | – |
| Triathlon Relay - Sprint | Sprint TriathlonRelay or teamOpen water swim | Oct 11, 20266:40 AM | $338$348 after Oct 11, 2026 | – |
| Triathlon-Sprint | Sprint TriathlonOpen water swim | Oct 11, 20266:40 AM | $193$203 after Oct 11, 2026 | – |
| Triathlon-Sprint - Duo Racer (Challenged Only) | Sprint TriathlonRelay or teamOpen water swim | Oct 11, 20266:40 AM | $193$203 after Oct 11, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Aquabike fee goes up to $139 on Oct 11, 2026.
Race day planning
Entry fee schedule
- Aquabike (Swim/Bike) - Sprint and Aquathlon (Swim-Run) - Sprint: $129 until Oct 10, then $139 until Oct 11.
- Duathlon - 1 Mile Run-19K (11.6 mi) Bike-5K Run and Duathlon-Duo Racer (Challenged Only): $193 until Oct 10, then $203 until Oct 11.
- Itsy Bitsy Triathlon (Ages 7-10): $72 until Oct 10, then $82 until Oct 11.
- Mini Sprint (Ages 11+): $135 until Oct 10, then $145 until Oct 11.
Online registration closes Oct 11, 2026, unless the race fills first.
How the price compares
At $46, entry is about the same as a typical 5K in California ($45).
Light and altitude
Sunrise on race morning is at about 6:48 AM, and the Aquabike (Swim/Bike) - Sprint starts at 6:40 AM.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
1100 W. Mission Bay Dr., San Diego, CA 92109
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Race details
- Where
- 1100 W. Mission Bay Dr., San Diego, CA 92109Map
- Course
- Road
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- Kids Triathlon, Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, 5K
- Editions
- 2026 (Oct 11, 2026), 2025 (Oct 12, 2025), 2024 (Oct 13, 2024), 2023 (Oct 15, 2023), 2022 (Oct 9, 2022), 2021 (Oct 10, 2021)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is 2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K?
- Sunday, October 11, 2026, starting at 6:40 AM.
- How much does it cost?
- Entry starts at $46 before processing fees, and rises to $139 on Oct 11, 2026.
- When does registration close?
- Online registration closes Oct 11, 2026, unless the race fills first.
- Is the entry fee high for California?
- At $46, entry is about the same as a typical 5K in California ($45).
- Do athletes get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances are offered?
- Kids Triathlon, Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, 5K.
- Where does it start?
- 1100 W. Mission Bay Dr., San Diego, CA 92109.
From the organizers
Mark your calendars for event #3 of the San Diego Triathlon Series & the Triple Crown of Triathlon
📅 Sunday, October 11, 2026
📍 San Diego, CA – Mission Bay
Proud Host of the 2026 USAT State Championships 🏆
The XTERRA WETSUITS Mission Bay Triathlon is proud to once again host the 2026 USA Triathlon State Championships — featuring Age Group, High School, and Club Championships!
Olympic Distance / Sprint Distance / Duathlon / Aquabike / Aquathlon
What This Means for Racers:
🥇 State Champion Titles
Compete for the honor of being crowned California State Champion in your triathlon division (Sprint or International), as well as in High School and Club categories. Olympic Distance / Sprint Distance