Cat 5 9th

9th Street from Boulder

Colorado, united-states

The 9th rises 1km through wooded valleys and open mountainside, gaining 60m to 1,721m. The gradient averages 6.1% — steady enough to find a rhythm, steep enough to feel it. It's over before the legs know what happened — a short, explosive effort where momentum is everything. The road reaches 1,721m — high enough to feel the altitude on tired legs. Located in Colorado, United-states.

  • At 1,721m, the summit is high enough to feel the altitude on tired legs.

9th Street from Boulder

Colorado, united-states

1km 60m 6.1%
5

Distance

1km

Avg Gradient

6.1%

Max Gradient

7.2%

Elevation Gain

60m

Summit

1,721m

Wall Rating

2.8

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