LA Triathlon 2025

Triathlon, Duathlon, Relays, Collegiate

Saturday, October 4, 2025

Frank G. Bonelli Park
120 E Via Verde Dr
San Dimas, CA 91773

Super Sprint Triathlon:
Swim 300M - Bike 12K (1 Lap)- Run 5K

Super Sprint AquaBike:
Swim 300M - Bike 12K (1 Lap)

Championship Triathlon:
Swim 1K - Bike 34K (3 Laps) - Run 10K

Championship AquaBike:
Swim 1K - Bike 34K (3 Laps)

IronBruin Collegiate Division
Swim 1K - Bike 24K (2 Laps) - Run 5K

Championship - Duathlon:
Run 5K - Bike 34K (3Laps) - Run 10K

Course Maps

/Super%20Sprint%20Distance
Super Sprint Distance
/Championship%20Distance
Championship Distance
/Collegiate%20Division
Collegiate Division

IronBruin COLLEGIATE Division Fun Facts:

  • This will be a Sprint Race including a 1K Swim / 24K Bike (14.9 miles = 2 laps) / 10K Run
  • Collegiate division participants must register via the collegiate option during registration AND choose their school from the drop-down menu.
  • All collegiate participants MUST be registered students.
  • There will be two waves, each consisting of up to 100 athletes: one for men's collegiate and one for women's collegiate. All Collegiate athletes will use the same bike route and count their own laps on the bike.
  • All collegiate participants will wear their school kit or colors to be identified. Bikes will be organized by waves so all collegiate racks will be together in one area.
  • Due to the discounted price, shirts and medals are not included in registration like the non-collegiate divisions.

Race Day Details

START TIMES
8:00 am Swim WAVE 1 Championship - Men  
8:06 am Swim WAVE 2 Championship - Women & Relays   
8:15 am   Duathlon & 5K starts  
8:21 am Swim WAVE 3 Super Sprint -Men  
8:27 am Swim WAVE 4 Super Sprint -Women  

Note:Start times are estimates and will be monitored by race management and LA County Lifeguards.  
Warm up is allowed prior to the first wave, you must exit the water and be with your wave prior to entering the start chute.

Cut off times
All Swimmers must be out of the water by 9:30am.
Please do not panic lifeguards are there for your safety and close by to guide you.  If you are pulled from the swim please turn in your timing chip to the timers close to the finish line.
All Cyclists/Runners must be in and out of the bike transition by 11:15 am .

PACKET PICKUP & RACE DAY REGISTRATION OPENS  AT 6:30am THE MORNING OF THE RACE

Please have your USAT card and a government issued ID with you. NO ID, NO PACKET. These are USAT standards.
If you are 17 and under you must have a parent or legal guardian with you.

Race Day Registration:  There will be race day registration available starting at 6:30 am. You may register through our posted QR codes at registration where you can register and purchase a one-day USAT license if that is necessary.  Bring all necessary ID and safety equipment.

Parking: If you park at Bonelli on the morning of the race, gates open at 6:00am and there is a $12 charge to enter.  Please have cash ready when you come through the park entrance – at either side of the park. All races will be held at the South Shore swim beach, enter of Via Verde. 

RESULTS
Official Results: will be posted approximately 30 minutes after the conclusion of each race

Clubs and Teams