2018 XTERRA Wetsuits Mission Bay Triathlon, Duathlon, Aquabike & Youth Races

Mission Bay
San Diego, CA 92109

Triathlon > Sprint

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Event Description

Join us at the birthplace of the sport for the XTERRA Wetsuits Mission Bay Triathlon! In 1974, the first Mission Bay Triathlon was as a run-bike-swim-run event on Fiesta Island by the San Diego Track Club.  This is an ON Road Triathlon.

This year, 1600 competitors from around the country will return to Mission Bay to celebrate the triathlon.  

Race Features

  • Earn San Diego Triathlon Series points for all individual distances!  (Kids and Aquabike included)
  • Chip Timing (5 splits)
  • long sleeve Technical T-Shirt for adults, short sleeve for kids
  • Goodie Bag
  • Continental Breakfast at finish - coffee at start
  • Huge Sierra Nevada Beer Garden
  • LIVE Band
  • $10 off a $30 Purchase at the Road runner Sports Friday Packet Pick up
  • Online Results
  • Awesome Finisher Medals 
  • Awards 3 Deep for Triathlon
  • Course Info Presentations
  • Points for San Diego Triathlon Series for all distances!!
  • Race Photos Available On-Line
  • SWIM BUDDIES - For new Triathletes that need extra encouragement.

Benefitting Challenged Athletes Foundation: Operation Rebound




**JUST ADDED** International Triathlon (13 yrs & older): 1000m swim - 29k bike - 9k run 

International Triathlon Distance limited to 200 participants! International swim will be the first 2 waves only.

Note: There is also a relay category for the Sprint Triathlon distance only (no SDTS points awarded)

Sprint Triathlon (13 yrs & older): 500m swim - 15k bike - 5k run

Sprint Duathlon (13 yrs & older): 1 mile run - 15k bike - 5k run

Sprint Aquabike (13 yrs & older): 500m swim - 15k bike (Your finish time is at the transition area after completing the bike portion, then head over to the finish line to return your timing chip and join the party!)

Mini Sprint Triathlon (11 yrs & older): 200m swim - 4 mile bike - 1.5 mile run

Itsy Bitsy Triathlon (7-10 yrs old): 100m swim - 2 mile bike - 0.75 mile run

All distances award points for the San Diego Triathlon Series

Event details and schedule


See all Race instructions and wavers Here

Race Day Timeline:  

Sunday, September 30th 2018 

5:00 am: Parking Lot Opens
5:45 am: Transition area opens / Late Check-In/Packet pick up Starts / Body Marking Begins
6:25 am: Final Instructions at Swim Start -Transition Area Closed
6:35 am: Swim Starts/ Packet pick up and late registration closed (Only VIPs can check in after this time)
10:00 am: Awards presentations (approximate times)
11:00 am: Transition area closes. Directions / Parking



VIP Option

For a fee of $30 -  your race numbers, swim cap, timing chip, and t-shirt will be ready for your pick-up on race morning. Pre-race check in is not mandatory, you will check-in on race morning at the VIP check-in table. Pick-up is from 5:45 am-6:45 am. You will then continue on to the transition zone to be body marked. Please plan your time accordingly. VIP athletes have reserved bike racks with their names in the transition area. Entries must be received by Sep 22nd. NO EXCEPTIONS!  


Race Divisions 

Triathlon & Duathlon 
Age Divisions (M/F):
  • 7-8 (Itsy Bitsy only)
  • 9-10 (Itsy Bitsy only)
  • 11-12 (Mini only)
  • 13-15 (Mini & Sprint only)
  • 16-19
  • 20-24
  • 25-29
  • 30-34
  • 35-39
  • 40-44
  • 45-49
  • 50-54
  • 55-59
  • 60-64
  • 65-69
  • 70-74
  • 75-79
  • 80-84
  • 85 +

Special Divisions for Sprint Triathlon Only:

  • Elite
  • Challenged
  • Military
  • Clydesdale (males 220lbs+)
  • Athena (ladies 165lbs+)
  • Clydesdale age 40+ (males 220lbs+)
  • Athena age 40+  (ladies 165lbs+)

Relay Teams: 2 or 3 person teams 
for Sprint Triathlon only
  • Men
  • Women
  • Mixed 119 and under (both men and women) 
  • Mixed 120+ (ages of all athletes =120+)


  • Age 49 and under - Top 3 Male & Female
  • Age 50+ - Top 3 Male & Female




Wetsuits- Purchase a wetsuit from our official wetsuit sponsor, XTERRA WETSUITS! Special San Diego Triathlon Series discount! Wetsuits 60% off! Check them out HERE!

Use code: R-KOZ at Checkout.


Bikes & Bike Rentals

Bike rentals are available from our bike shop sponsor Pulse Endurance Sports at two locations!

San Diego- 

7638 Clairemont Mesa Blvd
San Diego, Ca 92111


South Bay-

1020 - A2 Tierra Del Rey
Chula Vista, CA 91910


Disclaimer & Refund Policy

The race course and timeline can be changed at the discretion of the race organization. All distances are approximate by GPS measurements.The race can be altered, postponed or cancelled with no refunds due to weather, natural disturbances, police activity, acts of terrorism and threats of terrorism.

Refund Policy:

Due to the number of race transfer requests and cancellations that occur in the weeks prior to a race we have the following policy that is in accordance with USAT Policy.  Refunds will NOT be issued after a registration has taken place. Considerable effort goes into producing an event and funds are expended and applied in good faith based on a registration.  If you would like to change your registration from one distance to another, you will be charged for the difference in price at the time of the change.

Event Location & Accomodations

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