Running
Fall 2026 Run Challenge
6 weeks
About
This six-week challenge is designed to build your endurance and improve your ability to sustain race pace over longer efforts. Throughout the challenge, we’ll progressively increase training volume and overall workload, helping you build the fitness and durability needed to finish with your strongest sustained effort.
Each week includes one structured run workout and one long run, along with supplemental runs designed to support your endurance development and keep you progressing toward the final challenge.
New to our challenges? This is the perfect chance to learn how to structure your training and discover how to train smarter, not harder. Upgrade to All-Access to unlock your full potential with the option to customizing the difficulty of your workouts and add in tailored strength sessions for runners to round out your weekly training.
6
Weeks
Sep 7
Start Date
3, 4, 5
Days/Week Options
Easy, Intermediate, Difficult
Difficulty Options
Program Structure
Week 1
24 activities
Mon:
45m
Wed:
45m
Thu:
30m
Sat:
45m
Sun:
30m
Week 2
24 activities
Mon:
45m
Wed:
45m
Thu:
30m
Sat:
45m
Sun:
30m
Week 3
24 activities
Mon:
45m
Wed:
45m
Thu:
30m
Sat:
1h
Sun:
30m
Week 4
24 activities
Mon:
45m
Wed:
50m
Thu:
30m
Sat:
1h
Sun:
30m
Week 5
24 activities
Mon:
45m
Wed:
55m
Thu:
30m
Sat:
1h
Sun:
30m
Week 6
24 activities
Mon:
45m
Wed:
45m
Thu:
30m
Sat:
1h
Sun:
30m
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