Millerton Lake Crows Nest Triathlon, 5k & 10k banner
Millerton Lake Crows Nest Triathlon, 5k & 10k logo

Millerton Lake Crows Nest Triathlon, 5k & 10k 2027

Date
Sunday, April 18, 2027
Start time
7:00 AM start (Los Angeles)
Entry fee
From $45 · goes up to $55 on Apr 2, 2027
Included with entry
Includes a shirt
Fundraising
Takes optional donations when you register
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Events and entry fees

EventDistanceWhenEntry feeCap
10k10KApr 18, 20277:00 AM$45$55 after Apr 2, 2027–
5k5KApr 18, 20277:00 AM$45$55 after Apr 2, 2027–
Olympic AquabikeAquabikeOpen water swimApr 18, 20277:00 AM$145–
Olympic AquathonAquathlonOpen water swimApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Olympic TriathlonOlympic TriathlonSwim 1600 yd · Bike 21 mi · Run 6.2 miOpen water swimApr 18, 20277:00 AM$160$175 after Apr 2, 2027–
Olympic Triathlon RelayOlympic TriathlonRelay or teamOpen water swimApr 18, 20277:00 AM$225$250 after Apr 2, 2027–
Sponsorship- Bronze–Apr 18, 20277:00 AM$250–
Sponsorship- Gold–Apr 18, 20277:00 AM$750–
Sponsorship- Platinum–Apr 18, 20277:00 AM$1000–
Sponsorship- Silver–Apr 18, 20277:00 AM$500–
Sprint AquabikeAquabikeOpen water swimApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Sprint AquathonAquathlonOpen water swimApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Sprint DuathlonDuathlonApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Sprint Duathlon RelayDuathlonRelay or teamApr 18, 20277:00 AM$175$200 after Apr 2, 2027–
Sprint TriathlonSprint TriathlonSwim 800 yd · Bike 10.5 mi · Run 3.1 miOpen water swimApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Sprint Triathlon RelaySprint TriathlonRelay or teamOpen water swimApr 18, 20277:00 AM$180$200 after Apr 2, 2027–
Super Sprint TriathlonSuper Sprint TriathlonSwim 400 yd · Bike 5.4 mi · Run 2.2 miOpen water swimApr 18, 20277:00 AM$145$155 after Apr 2, 2027–
Virtual 5kVirtual5KApr 18, 20277:00 AM$55–
Virtual TriathlonVirtual–Apr 18, 20277:00 AM$55–

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

Race day planning

Entry fee schedule

  • 10k and 5k: $45 until Apr 2, then $55 until Apr 18.
  • Olympic Aquabike: $145 until Apr 2, then $145 until Apr 18.
  • Olympic Aquathon: $145 until Apr 2, then $155 until Apr 18.
  • Olympic Triathlon: $160 until Apr 2, then $175 until Apr 18.

Online registration closes Apr 18, 2027, unless the race fills first.

How the price compares

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

Light and altitude

Sunrise on race morning is at about 6:21 AM, and the 10k starts at 7:00 AM. The start sits about 580 feet above sea level.

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

Start location and course

Medow Campground, Friant CA, Friant, CA 93626

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 18 the day usually runs from 50°F at dawn to 72°F in the afternoon, with measurable rain on about 13% of days. Cold snaps dip to 44°F and hot years reach 81°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 Millerton Lake Crows Nest Triathlon, 5k & 10k cover on their registration page, in brief.

Schedule and packet pickup

Schedule

6:00am - 8:00am Race day Packet pickup. 6:00am - 6:45am Transition Open for Olympic. 6:00am - 7:15am Transition Open for Sprint. 6:50am Olympic Athlete Meeting at the Dock. 7:00am Olympic Triathlon Start. 7:35am Sprint, Super Sprint…

Course

Course Conditions

Swim. Water temperature was recorded at 64 degrees on April 14th, 2024. Wetsuits are allowed, but not required. 2024 Millerton level is HIGH. We recommend water shoes or sandals for the climb from the boat ramp to transition. Bike. Sprint…

Course

Course Maps

Super Sprint, Sprint and Olympic Swims. Rolling Start by distance. Swimmers will head to the right from the boat ramp. Actual course may vary on race day due to water levels, but will be explained at the pre-race athlete meeting before the…

Course Maps, from the Millerton Lake Crows Nest Triathlon, 5k & 10k page

Shirt and medal

Volunteer

Volunteers get a meal, a shirt, and their choice of: $50 donated to your organization, group or club. 100% off a 5k or 10k run hosted by Activitynut. 50% off of a multisport event hosted by Activitynut. Park entry fee reimbursed for…

Rules and FAQ

Refunds and Transfers

Race Insurance Recommended. WE HIGHLY RECOMMEND THAT YOU PURCHASE THE EVENT INSURANCE THAT IS OFFERED WITH EACH EVENT REGISTRATION. THIS INSURANCE WILL PROTECT YOUR REGISTRATION AND PROVIDE A FULL REFUND UNDER THE TERMS OF THE POLICY…

Rules and FAQ

USAT Rules

USA Triathlon Sanctioning. All Multisport events are USA Triathlon sanctioned and follow USAT rules. These rules do not apply to the 5K and 10K events. Need to print a USAT membership card? Click HERE. Check out complete USAT rules here…

Full details on the race's RunSignup page

Race details

Where
Medow Campground, Friant CA, Friant, CA 93626Map
Course
Road
Start elevation
About 580 feet
Included with entry
T-Shirt
Donations
Accepted when you register
Distances
Super Sprint Triathlon, Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, Aquathlon, 5K, 10K
Editions
2027 (Apr 18, 2027), 2026 (Apr 19, 2026), 2025 (Apr 13, 2025), 2024 (Apr 14, 2024), 2023 (Apr 23, 2023), 2022 (Apr 3, 2022)

Organize this race? Add details or a correction

Quick answers

When is Millerton Lake Crows Nest Triathlon, 5k & 10k?
Sunday, April 18, 2027, starting at 7:00 AM.
How much does it cost?
Entry starts at $45 before processing fees, and rises to $55 on Apr 2, 2027.
When does registration close?
Online registration closes Apr 18, 2027, unless the race fills first.
Is the entry fee high for California?
At $45, entry is about 10 percent below a typical 10K in California, which costs $50 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?
Super Sprint Triathlon, Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, Aquathlon, 5K, 10K.
Where does it start?
Medow Campground, Friant CA, Friant, CA 93626.

From the organizers

What will you find at the "Crows Nest" Triathlon?

+ Finisher's Medal

+ Event T-Shirt

+ Prizes and Giveaways

+ Finisher's Meal

+ Free Race Photos

The Millerton Lake Sprint Triathlon has long been known as a great "first lake swim" triathlon, and a warm up for the upcoming season. But don't let the bike and run distances fool you, there are a few steep hills on the ride, and the trail portion of run is a challenge.

Read the full description on RunSignup