IRONMAN 70.3 Northern California 2027

Date
Sunday, May 23, 2027
Entry fee
From $487.19
Go to the race website

Registration details are on the race's own site.

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Events and entry fees

EventDistanceWhenEntry feeCap
IRONMAN 70.3Half Iron TriathlonMay 23, 2027$487.19–

Fees and dates are from the race's official website on the date shown below; confirm them there before you register.

Race day planning

Light and altitude

Sunrise on race morning is at about 5:46 AM. The start sits about 650 feet above sea level.

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

Start location and course

Redding Civic Auditorium, 700 Auditorium Drive, Redding, CA

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 May 23 the day usually runs from 58°F at dawn to 86°F in the afternoon, with measurable rain on about 4% of days. Cold snaps dip to 54°F and hot years reach 94°F.

Based on 80 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

Race guide

What athletes should know about IRONMAN 70.3 Northern California, in brief, from the official race website.

Parking and travel

Where the venue is

Visit Redding lists the event at the Redding Civic Auditorium, 700 Auditorium Drive, Redding. The swim takes place away from the auditorium, in Whiskeytown Lake.

Full details on the official race website

Facts on this page come from the race's official website (visitredding.com/events-in-redding-ca/ironman-70-3-northern-california), checked Oct 7, 2026. Confirm dates and fees there before you travel.

Race details

Where
Redding Civic Auditorium, 700 Auditorium Drive, Redding, CAMap
Course
Road
Start elevation
About 650 feet
Distances
Half Iron Triathlon

Organize this race? Add details or a correction

Quick answers

When is IRONMAN 70.3 Northern California?
Sunday, May 23, 2027.
How much does it cost?
Entry starts at $487.19 before processing fees.
What distances are offered?
Half Iron Triathlon.
Where does it start?
Redding Civic Auditorium, 700 Auditorium Drive, Redding, CA.

About the race

Half iron distance triathlon based in Redding, California. The swim is in Whiskeytown Lake, and the bike and run courses cross Shasta County. Redding's tourism office lists the event at the Redding Civic Auditorium on Sunday, May 23, 2027.