
Thunderbolt Youth Tri 2.0 is a triathlon race on September 26, 2026 in Sierra Vista, AZ.
Thunderbolt Youth Triathlon is a USAT Sanctioned Swim, Bike, Run event for kids ages 5-17 years old. It will consist of (5-10 year olds) 50 yd swim, 3 mile bike, .5 mile run and (11-17 year olds) 200 yd swim, 6 mile bike, 1 mile run. Awards will be presented to age group winners and overall winners in each race as well as top relay teams.
We will continue split timing this event so you'll not only get an overall time which will be used to place individuals for awards, but you'll also get your times for each leg of the race including swim, T1, Bike, T2, Run. For those unfamiliar with triathlon, T1 and T2 are your transitions between the swim/bike and the bike/run.
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
85°
Typical Low
54°
Chance of Rain
12%
Based on US Climate Normals data from Sierra Vista, 2 mi from the venue.
Population
45,203
as of 2023
City Elevation
4,501 ft
Nearest Airport
TUS
Tucson International Airport · 55 mi
Time Zone
Mountain Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Every finish line starts with a single decision. Claim your spot at Thunderbolt Youth Tri 2.0, put it on the calendar, and turn “someday” into a start date.
8
Days to train
Enter your email and we'll send more your way.
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think. Three sports in one race means three movements to train and race day never gets monotonous.
Thunderbolt Youth Tri 2.0
Sep 26, 2026