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Races near Denver in April 2027

Updated October 17, 2026

11 races are on the calendar near Denver in April 2027, starting with Three Creeks Half Marathon on Sunday, April 4 in Englewood. 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

• Sun4Apr

  Three Creeks Half Marathon

  Sun Apr 4 · 8:00 AM · Englewood · Denver Suburbs

  Half marathon

  from $65Goes up Dec 1
• Sun4Apr

  Donut Dash

  Sun Apr 4 · 9:00 AM · Denver · Denver

  5K

  from $30Goes up Nov 23
• Sat10Apr

  Run for PB&J 5k/10k/13.1 Denver/Aurora

  Sat Apr 10 · 7:30 AM · Centennial · Denver Suburbs

  1 mile5K10KHalf marathon

  from $30
• Sat10Apr

  Sloth Run 5K/10K/13.1 Denver/Aurora

  Sat Apr 10 · 7:30 AM · Centennial · Denver Suburbs

  1 mile5K10KHalf marathon

  from $30
• Sun11Apr

  Platte River Half-Marathon, Relay & 5k

  Sun Apr 11 · 7:00 AM · Littleton · Denver Suburbs

  5KHalf marathonTrail

  from $45Goes up Nov 1
• Sun11Apr

  Spring Fling Prairie Dog Half, 10k, & 5k

  Sun Apr 11 · 8:00 AM · Arvada · Denver Suburbs

  5K10KHalf marathon

  from $39Goes up Jan 11
• Sat24Apr

  Coffee Lover Run Denver/Aurora

  Sat Apr 24 · 7:30 AM · Centennial · Denver Suburbs

  1 mile5K10KHalf marathon

  from $30
• Sat24Apr

  Run for Donut Denver/Aurora

  Sat Apr 24 · 7:30 AM · Centennial · Denver Suburbs

  1 mile5K10KHalf marathon

  from $30
• Sat24Apr

  All-Out Beat the Heat

  Sat Apr 24 · 8:00 AM · Westminster · Denver Suburbs

  5K10KHalf marathonTrail

  from $35Goes up Oct 25
• Sun25Apr

  DoNot Stop Half Marathon/5K/10K - Denver

  Sun Apr 25 · 8:00 AM · Denver · Denver

  1 mile5K10KHalf marathon

  from $22Goes up Jan 20
• Sun25Apr

  Unicorn 5k (Denver-East)

  Sun Apr 25 · 9:30 AM · Denver · Denver

  5K

  from $41Goes up Apr 1

Quick answers

How many races are near Denver in April 2027?

11 races are listed near Denver in April 2027. The first is Three Creeks Half Marathon on Sunday, April 4 in Englewood, and the last is Unicorn 5k (Denver-East) on April 25.

What is the cheapest race near Denver in April 2027?

DoNot Stop Half Marathon/5K/10K - Denver on April 25 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?

All-Out Beat the Heat: the Half marathon goes from $65 to $70 after October 25. 6 more of these races publish a later price increase.

Are there half marathons or marathons near Denver in April 2027?

Yes: 9 half marathons and 0 marathons. The first is Three Creeks Half Marathon on April 4.