Mammoth Gran Fondo

At a glance

Date

2026-09-12

Format

Gran Fondo (100–160 km)

Difficulty

Serious (3/5)

Prestige

Regional (2/5)

Course & location

Mammoth Lakes California, US

GPS: 37.6512°, -118.9863°

Elevation: 2465 m

Typical conditions: ~12°C, 7.5mm precip