Peninsula Century Fall Challenge

At a glance

Date

2026-09-19

Format

Gran Fondo (100–160 km)

Difficulty

Serious (3/5)

Prestige

Regional (2/5)

Course & location

Sister Bay Wisconsin, US

GPS: 45.1892°, -87.1215°

Elevation: 181 m

Typical conditions: ~17.4°C, 44.9mm precip