Sprint Triathlon Olympic Triathlon Duathlon Aquabike Aquathlon5K10K

Grapes of Wrath Triathlon, 5k & 10k 2027

Date: Sunday, April 25, 2027
Start time: 8:00 AM start (Los Angeles)
Location: Delano, California
Entry fee: From $140 · goes up to $150 on Mar 28, 2027
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

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Events and entry fees

Event	Distance	When	Entry fee	Cap
10k Run	10K	Apr 25, 20278:00 AM	$50$55 after Mar 27, 2027	–
5k Run	5K	Apr 25, 20278:00 AM	$50$55 after Mar 27, 2027	–
Olympic Aquabike	AquabikeSwim 1600 yd · Bike 21.5 miOpen water swim	Apr 25, 20278:00 AM	$140$150 after Mar 28, 2027	–
Olympic Triathlon	Olympic TriathlonSwim 1600 yd · Bike 21.5 mi · Run 6.2 miOpen water swim	Apr 25, 20278:00 AM	$155$165 after Mar 28, 2027	–
Olympic Triathlon Relay	Olympic TriathlonRelay or teamOpen water swim	Apr 25, 20278:00 AM	$200$220 after Mar 28, 2027	–
Sprint Aquabike	AquabikeOpen water swim	Apr 25, 20278:00 AM	$140$150 after Mar 28, 2027	–
Sprint Aquathlon	AquathlonSwim 800 yd · Run 3.1 miOpen water swim	Apr 25, 20278:00 AM	$140$150 after Mar 28, 2027	–
Sprint Duathlon	DuathlonRun 3.1 mi · Bike 10.7 mi · Run 3.1 mi	Apr 25, 20278:00 AM	$140$150 after Mar 28, 2027	–
Sprint Triathlon	Sprint TriathlonSwim 800 yd · Bike 10.7 mi · Run 3.1 miOpen water swim	Apr 25, 20278:00 AM	$140$145 after Mar 28, 2027	–
Sprint Triathlon Relay	Sprint TriathlonRelay or teamOpen water swim	Apr 25, 20278:00 AM	$200$210 after Mar 28, 2027	–
Virtual 10kVirtual	10K	Apr 25, 20278:00 AM	$50$55 after Mar 28, 2027	–
Virtual 5kVirtual	5K	Apr 25, 20278:00 AM	$50$55 after Mar 28, 2027	–
Virtual AquathlonVirtual	–	Apr 25, 20278:00 AM	$75	–
Virtual DuathlonVirtual	–	Apr 25, 20278:00 AM	$75	–
Virtual TriathlonVirtual	–	Apr 25, 20278:00 AM	$75	–

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

The Aquabike fee goes up to $150 on Mar 28, 2027.

Water temperature and wetsuits at Grapes of Wrath Triathlon, 5k & 10k

Around April 25, Lake Woollomes typically runs about 71°F at the surface (67 to 74°F across 2011 to 2020). Wetsuits were legal every year at this date.

A model estimate from the USGS lake temperature model (daily surface temperatures for US lakes), not a measurement. Wetsuit cutoffs are USA Triathlon age-group rules. The race's own water temperature reading on race morning decides.

Race day planning

Entry fee schedule

10k Run and 5k Run: $50 until Mar 27, then $55 until Apr 18, then $60 until Apr 26.
Olympic Aquabike and Sprint Aquabike and Sprint Aquathlon and Sprint Duathlon: $140 until Mar 28, then $150 until Apr 19, then $160 until Apr 26.
Olympic Triathlon: $155 until Mar 28, then $165 until Apr 19, then $175 until Apr 26.
Olympic Triathlon Relay: $200 until Mar 28, then $220 until Apr 19, then $230 until Apr 26.

Online registration closes Apr 26, 2027, unless the race fills first.

How the price compares

At $50, entry is about 11 percent above a typical 10K in California, which costs $45 right now.

Light and altitude

Sunrise on race morning is at about 6:12 AM, and the Olympic Aquabike starts at 8:00 AM. The start sits about 390 feet above sea level.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

32750 Woollomes Ave, Delano, CA 93215

Directions to the start

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

Typical race-day weather

Around April 25 the day usually runs from 53°F at dawn to 81°F in the afternoon, with measurable rain on about 5% of days. Cold snaps dip to 48°F and hot years reach 88°F.

Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

From the race's page

What the organizers of Grapes of Wrath Triathlon, 5k & 10k cover on their registration page, in brief.

Parking and travel

Parking

There is a regatta most Saturdays and Sundays at Huntington when there is water. We expect a busy weekend. Parking is available in the parking lot by the Transition area. This area is operated by CLM and has a $10 per vehicle parking fee.

Shirt and medal

Long Sleeve T-Shirt -or- Singlet

(2020 Design Displayed).

Rules and FAQ

Frequently Asked Questions

Q: Are you still holding the Huntington Lake Triathlon? A: Yes! Fresno County Health Department has approved our race plan which includes measures to promote social distancing such as time trial starts, two participants per rack, mailing…

The cause

Become a Sponsor

Activitynut Foundation hosts several local events in the Central Valley at Woodward park, Millerton Lake, Huntington Lake and Shaver Lake, Lake Woollomes, and Lake Evans. Our mission is developing an active and healthy community by…

Full details on the race's RunSignup page

Race details

Where: 32750 Woollomes Ave, Delano, CA 93215Map
Course: Road
Start elevation: About 390 feet
Included with entry: T-Shirt
Donations: Accepted when you register
Distances: Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, Aquathlon, 5K, 10K
Editions: 2027 (Apr 25, 2027), 2026 (Apr 26, 2026), 2025 (Apr 27, 2025), 2024 (Apr 28, 2024), 2023 (May 7, 2023), 2022 (May 15, 2022)

Organize this race? Add details or a correction

Quick answers

When is Grapes of Wrath Triathlon, 5k & 10k?: Sunday, April 25, 2027, starting at 8:00 AM.
How much does it cost?: Entry starts at $140 before processing fees, and rises to $150 on Mar 28, 2027.
When does registration close?: Online registration closes Apr 26, 2027, unless the race fills first.
Is the entry fee high for California?: At $50, entry is about 11 percent above a typical 10K in California, which costs $45 right now.
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?: Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, Aquathlon, 5K, 10K.
Where does it start?: 32750 Woollomes Ave, Delano, CA 93215.