100 mi 100K 50K25K5 mi

Dinosaur Valley Endurance Run

Nov 21–22, 2026Glen Rose, TexasThe Active Joe

5 mi entry: $60
Days to register: 27

At a glance

Date: Nov 21–22, 2026
Location: Glen Rose, Texas
Distances: 100 mi, 100K, 50K, 25K, 5 mi
Registration: Closes Nov 18, 2026, via ultrasignup.com

Listed from UltraSignup. Checked Oct 18, 2026.

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About this race

Welcome to the TENTH year of our event at the beautiful Dinosaur Valley State Park in Glen Rose, Texas. The Active Joe brought North Texas its first 100 miler, and we continue to grow every year!

Key dates

Registration closes

Nov 18, 2026

27d

Race day

Nov 21, 2026

30d

Pricing

100 Miler

Registration

$290

100K

Registration

$200

Mesozoic Maniac

Registration

$165

50K

Registration

$110

Triassic 25K

Registration

$100

All distances

Cretaceous 5 Mile Registration

$60

Jurassic 5 Mile

Registration

$60

Triassic 5 Mile

Registration

$60

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