Mount Diablo Challenge
🏔️ Imperial Century (100 mi)⏱️ Metric Century (62 mi)
📍 Monte Vista High School • Danville, CA
100 Mi
Century Course
📅 Oct 04, 2026 at 7:00 AM
Event Date
$105. for adults, $40. for youth, $200. for Tandem
Registration
In-Person (Offline)
Event Format
🚴 Event Overview
The Mount Diablo Challenge is a 100-mile ride presented by Valley Spokesmen Bicycle Club.
Course Amenities & Highlights:
Metric Available100M
Regional Terrain & Profile: Pacific coastal highways, redwood rainforests, rolling wine valleys, and high Sierra alpine passes
📍 Event Map & Location
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Monte Vista High School
3131 Stone Valley Rd. Danville, CA 94526
GPS: 37.820833, -121.906667
⚡ Event Specifications & Schedule
Verified logistical details, course specs, and event attributes for riders and participants.
| Dataset Population | 2026 Verified Census Part of the official 2026 empirical census baseline (405 events). Census Methodology → |
| Qualified Distances | 🏔️ Imperial Century (100 mi)⏱️ Metric Century (62 mi) |
| Event Type | Cycling Century |
| Sport | Road Cycling |
| Event Name | Mount Diablo Challenge |
| Event Status | Scheduled |
| Attendance | In-Person (Offline) |
| Start Date | 📅 Oct 04, 2026 at 7:00 AM |
| Starting Venue | Monte Vista High School |
| Street Address | 3131 Stone Valley Rd. |
| City / Locality | Danville |
| State / Region | CA |
| Postal / Zip | 94526 |
| GPS Coordinates | 37.820833, -121.906667 |
| Host / Organizer | Valley Spokesmen Bicycle Club ↗ |
| Registration Fee | $105. for adults, $40. for youth, $200. for Tandem |
| Registration Link | Official Registration ↗ |
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