T-rex Tri Series

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T-rex Tri Series

The T-Rex Triathlon series features races in June, July and August. Same course throughout: 0.5 mile swim, 12.4 mile bike and 3.1 mile run.

Stegosaurus: June 2, 2021
Triceratops: June 30, 2021
Pterodactyl: July 28, 2021
T-Rex: August 25, 2021

Race Location: Island Lake Recreation Area
Start Time: 6:00p.m. Distance: .5 Mile Swim, 12.4 Mile Bike, 3.1 Mile Run
The Bike and Run portions are on ALL PAVED paths! It might be a wet one! The Head Cretaceous Creature says we’ve never had to cancel an event because of the weather. Rain or shine

, we will be there! There will be delays if there is thunder & lightning, but we’ll start eventually…bring a headlamp! As the USAT recommends, if there is lightning within 6 miles of the event, we will postpone the event until we are clear of thunder for at least 30 minutes. Boring Important Stuff: Please, no headphones on the bike and run portion. No drafting permitted.

06/11/2026

🦕 The 2026 Triceratops Triathlon & Duathlon Needs YOU to Help Kick Off the Summer Multi-Sport Season! The countdown is on for the massive season opener of the T-Rex Triathlon & Duathlon Series, and we are building our premier stone-age volunteer crew to make it legendary. On Wednesday, June 24th at Island Lake Recreation Area, mid-week evening racing returns, and we need an elite squad of water warriors, transition rockstars, and finish-line hype heroes to drive the athlete experience.

From a strategic marketing perspective, we know a world-class athlete experience requires a world-class engine behind it, which is why we ensure our team is heavily rewarded for their energy. When you lock down your shift for June 24th, you’ll walk away with exclusive, limited-edition volunteer swag to flex your prehistoric spirit and up to $65 in RF Events race credit to completely clear out your next personal race entry fee. Don’t wait for the best crew assignments to fill up, claim your front-row seat to a fast, legendary night of summer racing today: https://events.hakuapp.com/15aaf8314ba796c0e0f1

06/08/2026

🦖 Ditch the weekend sacrifice and prepare to stomp your summer midweeks starting with our massive season opener, the 2026 Triceratops Triathlon & Duathlon, on Wednesday, June 24th. The T-Rex Triathlon & Duathlon Series is roaring back into Island Lake Recreation Area for three midweek summer throwdowns where you can forget about weekend travel and crack-of-dawn alarms in exchange for pure, prehistoric speed under the evening sun. While the immediate target is conquering the sprint triathlon or duathlon at Triceratops, you will want to lock in the full three-race series or line up the upcoming target dates on July 22nd for 2026 Pterodactyl Triathlon & Duathlon and August 19th for the 2026 T-Rex Triathlon & Duathlon Series Finale to keep your stone-age savage energy rolling all summer long.

With fast, clean water, a closed, buttery-smooth bike course, and a quick run path, this is the most approachable and addictively fun multi-sport series of the year. You can go full gas on a single night or attack all three dates to turn your summer Wednesdays into a high-energy speed lab before crossing the finish line straight into an evening party and still making it home in time for bed. Slots for the June 24th kickoff are filling up fast, so secure your spot on the starting line today by visiting the registration page at https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

06/03/2026

🦖 The T-Rex Triathlon & Duathlon Series needs YOU to help bring the roar this summer! Mid-week multi-sport racing is coming back to Island Lake Recreation Area, and volunteer registration is officially open for all of our epic summer events. We are building a premier volunteer crew of water warriors, transition rockstars, and finish-line hype heroes to keep the energy high and make each race night unforgettable for our athletes.

Our biggest immediate mission is assembling the ultimate squad for our massive season opener, Triceratops, on Wednesday, June 24th! When you join the crew, you aren't just standing on the sidelines, you are the engine driving the experience, and we reward our team accordingly. You'll walk away with up to $65 in RF Events race credit to clear out your next entry fee, exclusive limited-edition volunteer swag to flex your T-Rex spirit, and non-stop snacks and cold drinks to keep you fueled up while enjoying premium park vibes and a front-row seat to a fast, legendary night of racing. Don't wait, view the full summer schedule and secure your crew assignment today, starting with 2026 Triceratops Triathlon & Duathlon on June 24th at
https://events.hakuapp.com/15aaf8314ba796c0e0f1

06/01/2026

Prehistoric speed. Summer evening vibes. And zero weekend sacrifice. The 2026 Triceratops Triathlon & Duathlon!

The T-Rex Triathlon & Duathlon Series is roaring back to Island Lake Recreation Area, and we are officially counting down to our first weeknight throwdown: Triceratops on Wednesday, June 24th at 6:00 PM!

CRITICAL RACER UPDATE:
The deadline to guarantee your official race shirt and secure your exact size on race day is this Tuesday, June 2nd! Don't leave your race day swag to chance.

Swim. Bike. Run. Stomp.
https://haku.ly/52805ea042

05/27/2026

🦖 Ditch the weekend sacrifice. Stomp your summer midweeks.
The T-Rex Triathlon & Duathlon Series is roaring back into Island Lake Recreation Area for three midweek summer throwdowns. No weekend travel, no crack-of-dawn alarms, just pure, prehistoric speed on a Wednesday night.

Mark your calendar for the invasion:
• 2026 Triceratops Triathlon & Duathlon: June 24
• 2026 Pterodactyl Triathlon & Duathlon: July 22
• 2026 T-Rex Triathlon & Duathlon: August 19

With fast, clean water, a closed, buttery-smooth bike course, and a quick run path, this is the most approachable, and addictively fun, multi-sport series of the summer. Go full gas on the sprint triathlon, crush the duathlon, attack a single night, or lock in the full three-race series to turn your Wednesdays into a high-energy speed lab.

Cross the finish line into a summer evening party with that stone-age savage energy. Stomp the pedals, let it rip, and be home in time for bed.

Claim your spot on the starting line:
https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

05/20/2026

🦖 One month until we kick off the series! The T-Rex Triathlon & Duathlon Series is roaring back into Island Lake Recreation Area, and we are exactly one month away from our first summer throwdown. The 2026 Triceratops Triathlon & Duathlon kicks things off on Wednesday, June 24, setting the stage for a season of fast water, smooth roads, and quick run splits.

Whether you are chasing PRs, sharpening fitness, or just looking for an excuse to race hard on a summer evening, Triceratops brings the prehistoric energy every single time.

Swim. Bike. Run. Stomp.
https://haku.ly/52805ea042

05/11/2026

🦖 Midweek Miles. Dino Style. The T-Rex Triathlon & Duathlon Series is roaring back into Island Lake Recreation Area for three straight summer throwdowns. The 2026 Triceratops Triathlon & Duathlon kicks things off June 24, the 2026 Pterodactyl Triathlon & Duathlon takes flight July 22, and the 2026 T-Rex Triathlon & Duathlon closes out the series August 19 with one final prehistoric sprint into the sunset.

Fast water, smooth roads, and quick run splits make this one of the most approachable, and addictively fun, race series of the summer. Choose the sprint triathlon or duathlon, race a single night, or go all in on the full series and turn Wednesday nights into your personal speed lab.

Whether you’re chasing PRs, sharpening fitness, or just looking for an excuse to race hard on a summer evening, these races bring the energy every single time.

Swim. Bike. Run. Repeat.
https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

03/02/2026

🦖 Your Wednesdays Just Got Faster. The 2026 T-Rex Triathlon & Duathlon Series returns to Island Lake Recreation Area, turning three summer evenings into pure race energy. It starts with the 2026 Triceratops Triathlon & Duathlon on June 24, continues with the 2026 Pterodactyl Triathlon & Duathlon on July 22, and finishes with 2026 T-Rex Triathlon & Duathlon on August 19. Same smooth, well-run course. Three chances to sharpen fitness, test transitions, and race without sacrificing your weekend.

Choose sprint triathlon or duathlon and line up with a field that’s competitive, welcoming, and ready to move. Race one night or commit to all three and make midweek racing your summer tradition.

Clock out. Clip in. Go all out.
https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

02/16/2026

🦖 Your Wednesdays Just Got Teeth.
The 2026 T-Rex Triathlon & Duathlon Series is back at Island Lake Recreation Area, and we’re turning three ordinary Wednesday nights into full-throttle race nights. It starts with the 2026 Triceratops Triathlon & Duathlon on June 24, keeps the momentum rolling with the 2026 Pterodactyl Triathlon & Duathlon on July 22, and finishes strong with the 2026 T-Rex Triathlon & Duathlon on August 19. Same smooth course. Same electric midweek energy. Three chances to sharpen your swim, hammer the bike, and close hard on the run without sacrificing your weekend.

Whether you race one or commit to the full series, this is your after-work edge. Sprint triathlon and duathlon options, a competitive but welcoming field, and a streamlined setup that gets you from office chair to start line fast. Train with purpose. Show up ready. Clock out, clip in, and make Wednesday the fastest night of your week.
Register now: https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

02/03/2026

🦖 Weeknights, but make them race nights. The 2026 T-Rex Triathlon & Duathlon Series is back at Island Lake Recreation Area, turning three Wednesday evenings into your favorite part of the week. The series kicks off with the 2026 Triceratops Triathlon & Duathlon on June 24, keeps rolling with the 2026 Pterodactyl Triathlon & Duathlon on July 22, and wraps up with the 2026 T-Rex Triathlon & Duathlon on August 19. Three nights. One smooth course. Plenty of chances to test fitness, dial things in, and stack experience without blowing up your weekend.

Race one, or commit to the full series and make Wednesday your standing date with the start line. Sprint triathlon and duathlon options, a competitive-but-welcoming atmosphere, and a streamlined after-work setup have made the T-Rex Series a Michigan staple year after year.

Train smart. Race hard. Clock out and line up. https://events.hakuapp.com/events/65dd6f06ad0e3835927e/registration_options

Address

12950 Grand River Avenue
Brighton, MI
48116

Telephone

+17349299027

Website

http://www.runtrextri.com/

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