Home / Denver & Boulder / May 2027
Races near Denver in May 2027
Updated
10 races are on the calendar near Denver in May 2027, starting with Greenland Trail Races on Saturday, May 1 in Larkspur. Listed by date, with prices and early-bird deadlines where the race publishes them.
Oct 2026Nov 2026Dec 2026Jan 2027Feb 2027Mar 2027Apr 2027May 2027Jun 2027Jul 2027Aug 2027Sep 2027
By date
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from $35Goes up Jan 1
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Longmont Half & 5k (LM Half)
Sun May 2 · 7:30 AM · Longmont · Fort Collins & Loveland
5KHalf marathon
from $39Goes up Feb 1 -
Reg. closed
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Run for Chocolate 5k/10k/13.1 Denver/Aurora
Sat May 8 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
Hometown Half Marathon/5K/10K - Denver
Sun May 9 · 7:00 AM · Denver · Denver
1 mile5K10KHalf marathon
from $22Goes up Nov 11 -
Colorado Women's Classic - Westminster
Sun May 9 · 8:00 AM · Westminster · Denver Suburbs
5K10K10 miles
from $39Goes up Feb 8 -
from $26.99Reg. closed
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see site
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SuperHeroes Run Denver/Aurora
Sat May 29 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
see site
Quick answers
How many races are near Denver in May 2027?
10 races are listed near Denver in May 2027. The first is Greenland Trail Races on Saturday, May 1 in Larkspur, and the last is BOLDERBoulder on May 31.
What is the cheapest race near Denver in May 2027?
Hometown Half Marathon/5K/10K - Denver on May 9 has the lowest listed entry fee: $22. Prices are before the registration platform's processing fee.
When does the next early-bird price end for races near Denver?
Hometown Half Marathon/5K/10K - Denver: the Half marathon goes from $52 to $58 after November 11. 3 more of these races publish a later price increase.
Are there half marathons or marathons near Denver in May 2027?
Yes: 5 half marathons and 1 marathon. The first is Longmont Half & 5k (LM Half) on May 2.