REI Accessibility Statement
Skip to main content
Skip to Expert Advice categories

Shop REI
REI Outlet
Re/Supply
Classes & Events
Expert Advice
Uncommon Path
Membership

My REI Find your store
Sign In

My Account - Sign in or Register
All Camping Articles
All Hiking Articles
All Climbing Articles
All Cycling Articles
All Watersports Articles
All Running Articles
All Fitness Articles
All Snowsports Articles
All Travel Articles
All Clothing Articles
All Family Articles
All Basics Articles

Skip to search results

loaded 1 results

Expert Advice
Fitness
Training

Training Checklists

(1 result)

Filter

Filter by Article Type (1)

Remove article-type filter:Checklists

Sort: Best Match

Checklists
Triathlon Checklist
421 reviews with an average rating of 4.4 out of 5 stars

Sort: Best Match

How are we doing?

on this page.

Sign up for REI emails

Get 15% off one REI Co-op brand item. Details

Email

Error Is your email address correct?

REI Privacy Policy

Thank you for signing up!

Check your inbox for your welcome email. It includes your 15%-off coupon and ways to set preferences.

System Maintenance

The newsletter sign-up system is currently down for maintenance.

Who we are

At REI, we believe that a life outdoors is a life well lived. We've been sharing our passion for the outdoors since 1938.

Become an REI Co-op Member

Anyone can join and everyone belongs. Benefits include great gear offers, special pricing on events and an annual Co-op Member Reward—for life. Join once, enjoy forever.

Take a stand

Outdoor equity, climate action, places we love. Raise your voice in the movement to protect and share life outdoors.

REI Cooperative Action Network

Apply for the REI Co-op® Mastercard®

Earn a $100 REI gift card after your first purchase outside of REI within 60 days from account opening.

Details | Manage your card

REI Co-op Account
Orders & Returns
Gifts
- Outdoor Gift Ideas
- Gift Cards
Offers & Discounts
- Sales & Coupons
- Free Shipping Details
Shopping Tools
Learning & Community
Work with Us
REI Co-op
Customer Service

Find answers online anytime.

See our stores and services.

Mon–Fri, 6am–8pm PT

Sat–Sun, 8am–5pm PT

Get REI apps for shopping & adventure

instagram
Tik Tok
facebook
pinterest
youtube
podcasts

© 2025 Recreational Equipment, Inc. All rights reserved. REI and the REI Co-op logo are trademarks of Recreational Equipment, Inc.

Terms of Use
Privacy Policy
US State Privacy Notice
Consumer Health Data Privacy Policy
Product Recalls
CA Transparency Act
REI Accessibility Statement