Sunday, May 9, 2021 Delano, CA 93215 US Directions
Under 18/70+ only $65

Sprint Triathlon

$135 8:30AM PDT - 12:00PM PDT
2 spots left. Registration ends May 9, 2021 at 11:59pm PDT
Under 18/70+ only $65

Olympic Triathlon

$150 8:00AM PDT - 12:00PM PDT
9 spots left. Registration ends May 9, 2021 at 11:59pm PDT
Under 18/70+ only $65

2 Sport Options

$135.00 - $150.00 8:00AM PDT
Events: Sprint Duathlon Sprint Aquabike Sprint Aquathlon
Under 18/70+ only $20

5k Run

$50 8:40AM PDT - 12:00PM PDT
6 spots left. Registration ends May 9, 2021 at 11:59pm PDT
Under 18/70+ only $20

10k Run

$50 8:40AM PDT - 12:00PM PDT
6 spots left. Registration ends May 9, 2021 at 11:59pm PDT

Virtual Events

$40.00 - $60.00 8:00AM PDT
Events: Virtual Triathlon Virtual Duathlon Virtual Aquathlon Virtual 5k Virtual 10k

Sprint Triathlon Relay

$200 8:30AM PDT - 12:00PM PDT Registration ends May 9, 2021 at 11:59pm PDT

Olympic Triathlon Relay

$210 8:00AM PDT - 12:00PM PDT Registration ends May 9, 2021 at 11:59pm PDT

What will you find at the Grapes of Wrath triathlon?

+ Finisher's Medal
+ Finishers meal
+ Prizes and Giveaways
+ Free Race Photos
+ Event T-Shirt

The Grapes of Wrath Triathlon is a fast and fun race in the central valley located east of Delano, CA. This event features a lake swim in Lake Woollomes, a fast and flat road bike course, and a run which is part trail and part paved finishes the race. Each athlete registered for the Grapes of Wrath Triathlon will receive a custom t-shirt, athlete goody bag, swim cap, post-race meal, and be eligible for raffle prizes and race awards three-deep in each division. Take the weekend and come up and enjoy this fun event with your family.

A USAT membership is required for the Triathlon, (but not the 5k/10k)  If you do not have one, you can purchase one during the registration process.

32750 Woollomes Ave
Delano, CA US 93215


Triathlon- 800 yd swim, 10.75 mi bike, 3.1 mi run
Aquabike- 800 yd swim, 10.75 mi bike 
Aquathlon- 800 yd swim, 3.1 mi run
Duathlon- 3.1 mi run, 10.75 mi bike, 3.1 mi run 


Triathlon- 1600 yd swim, 21.5 mi bike, 6.1mi run 
Aquabike- 1600 yd swim, 21.5 mi bike 
Aquathlon- 1600 yd swim, 6.1 mi run 

Run/Walk Only

5K Run/Walk 
10K Run/Walk


7:00am Race day packet pick up until 8:00
7:00am-7:30 Transition Opens for Olympic
7:30am-8:00am Transition opens for Sprint
8:00am-8:30am Triathlon Waves 
8:10am 5k and 10k Run Begins 


The 5k Course is used in the Sprint Triathlon, Sprint Duathlon, Sprint Aquathon and 5k Run


The 10k Course is used in the  Olympic Triathlon, Olympic Aquathon and 10k Run


This bike course is used for both the Sprint and Olympic distances for the triathlon and aquabike.

Sprint distance does one loop of the course (10.75 Mi), Olympic distance does two loops (21.5 Mi).


Volunteers get a t-shirt, meal, and 50% off of a future multisport event or 100% off of a future 5k/10k. 
(Volunteers must register online and check in before and after their shift)

Volunteer codes are transferable and stackable. 

You can volunteer for two shifts during one event for a free triathlon.

Covid-19 Safety Measures

Your safety is our highest priority. We have included USAT, CDC, and health department recommendations in plans to safely return to racing. 

Packet Pickup and Registration

  • There will be no in person or paper registration. Online registration will remain open until race start.

Race Day

  • Masks will be required before and after the race. Masks will not be required during the event.
  • Athletes will receive a self-evaluation question to help determine if they should stay home or return to racing.
  • Anyone with a temperature of 100.0 F or higher should stay home.
  • Race briefing will be pre-recorded and available online.
  • Bike racks will be spaced with 6 feet between bike racks.
  • Racks will be marked for two Sprint and two Olympic athletes per rack
  • Race will be a rolling time trial with chipped swim start
  • Run will be a time trial start with at least 15 second spacing. Starting time will be recorded as athletes cross the start. 
  • While aid stations will be provided, athletes are encouraged to bring their own water to limit contact
  • All age group awards will be mailed awards
  • Post race food will be pre-packaged for the athlete to take to go

Relay Teams

  • Each athlete on a relay team will be given their own timing chip to eliminate handing off timing chips
  • A line will be drawn within the exchanging area. When the finishing athlete passes this line, the next athlete from the same team starts without any physical contact.


  • Spectators are not allowed. Friends and family are encouraged to volunteer or track from home.

Refund Policy Update

  • If an athlete has a fever, suspects Covid symptoms, or is concerned about racing at this time they can defer or transfer their registration to another race. 

This event is hosted by the Activitynut Foundation, Inc.; a non-profit 501(c)3 who's mission is to connect athletes with local events, clubs, coaching and local stores. We maintain a race calendar listing local events at

Join Activitynut Club (free membership), and get 15% off of this and other events hosted by Activitynut.



Race Contact Info

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