Bridge Birthday Bash
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
Happy birthday to the Old Chain of Rocks Bridge! One of Trailnet's most iconic rides, the Bridge Birthday Bash, is back for 2026 — better, bolder, and ready for adventure! Join us on Saturday, April 11 to celebrate the 97th birthday of the legendary Old Chain of Rocks Bridge and experience a piece of St. Louis history. We have routes planned for all comfort levels, including one for younger riders. Afterwards we'll have plenty of refreshing drinks to cool you down, and we'll celebrate with so...
Course Profile
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Course features
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Vibe & community
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History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Bridge Birthday Bash Other?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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