BolderBoulder Split Calculator

Enter your goal finish time and get recommended mile splits based on
real race data from the BolderBoulder 10k course.

Target finish time
:
avg pace: 5:48/mi
Recommended splits
Splits verified ✓
Your target splits Historical avg at this pace
Split recommendations based on historical BolderBoulder 10k race data.
Course profile accounts for the Mile 3 climb on Folsom and the Mile 5–6 descent.