When are most 10K races held in Westminster?
December is the busiest month for 10K races in Westminster, with 2 of the 9. If you are flexible on the date, that is the quickest way to narrow things down.
Colorado · 10K
2026-2027 10K Races in Westminster, Colorado
Every upcoming 10K around Westminster, with start times, entry fees, finish-time stats from past editions, start-line maps, and the local run clubs to train with.
9 upcoming 10K races found · 8 with finish-time stats
By the numbers
The Biggest and Longest-Running
The Westminster races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Sat, Dec 5, 2026All-Out Fa La La Westminster, COFrom $60Details Sun, Dec 6, 2026Candy Cane Course - Denver Westminster, COFrom $40Details Sat, Jan 30, 2027Time Travel Half-Marathon/5K/10K - Denver Westminster, COFrom $32Details Sat, Feb 6, 2027Westy Winter Waggle 5&10k Westminster, COFrom $35Details Sat, Apr 24, 2027All-Out Beat the Heat Westminster, COFrom $45Details Sun, May 9, 2027Colorado Women's Classic - Westminster Westminster, COFrom $44Details Sat, Jul 10, 2027All-Out Dog Days Westminster, COFrom $45Details Sun, Aug 22, 2027Pioneer Prairie Dog Half, 10k & 5k Westminster, COFrom $44Details Sat, Sep 18, 2027All-Out Fall Fest Westminster, COFrom $45Details
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 17, 2026.
Common Questions About Running a 10K in Westminster
Are Westminster 10K races beginner-friendly?
Yes, for the most part. Across the 7 10K races in Westminster with published results, the typical median finish is around 1:05:18, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.
Where can I train for a 10K in Westminster?
Browse Westminster run clubs on RunSesh to find a training group at your pace.
Are there trail 10K races near Westminster?
Yes, 3 races around Westminster get you off the pavement: 3 are trail races.