What is the best 5k in September 2027?

We don't yet have enough confirmed 5ks for September 2027 to recommend one.

How many 5ks are there in the USA in September 2027?

running.services tracks 0 confirmed 5ks on the September 2027 calendar.

Is September a good month to run a 5k?

September sits in the shoulder season — expect mild weather and a mix of championship and casual events.

September 2027•USA Race Guide

Best 5Ks in September 2027 (USA)

The top 5ks happening across the United States in September 2027, ranked by RaceScore — our 0–100 composite of PR potential, value for money, vibe, beginner-friendliness, and data confidence. Whether you're chasing a personal record, looking for a beginner-friendly first 5k, or planning a destination race weekend, this guide narrows the calendar to the events most worth your time.

Top 5ks this september

No 5ks on the calendar yet

We don't have enough confirmed 5ks for September 2027 to publish a confident list. Check back soon, or browse the full search.

Browse all races