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Fall 10k races near Denver (2026)
Updated
16 10k races are on the calendar near Denver in fall 2026, starting with Halloween Trick or Trot Run 5K/10K/13.1 Denver/Aurora on Saturday, October 31 in Centennial. That covers September to November. 8 of them publish an upcoming price increase, so signing up early saves money.
All fall races5K races (45)10K races (16)Half marathons (11)Trail races (13)
By date
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Halloween Trick or Trot Run 5K/10K/13.1 Denver/Aurora
Sat Oct 31 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
Reg. closed -
PB&J Fuel Run 5K/10K/13.1 Denver/Aurora
Sat Oct 31 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
Reg. closed -
from $35Goes up Oct 31
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from $50Goes up Oct 19
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Turkey Trails- Denver
Sat Nov 7 · 8:00 AM · Littleton · Denver Suburbs
1 mile5K10KHalf marathonTrail
from $22Goes up Oct 19 -
City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)
Sat Nov 7 · 9:00 AM · Denver · Denver
5K10K
from $50Goes up Oct 31 -
Run for Mental Health 5K/10K/13.1 Denver/Aurora
Sat Nov 14 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
Veterans Day Freedom Run 5K/10K/13.1 Denver/Aurora
Sat Nov 14 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
Salute to Veterans 5K/10K/Half Marathon - Denver
Sat Nov 14 · 8:00 AM · Aurora · Denver Suburbs
5K10KHalf marathon
from $15Goes up Nov 8 -
from $45
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Turkey Trek (13.1, 10k, 5k & 2k)
Sat Nov 21 · 8:30 AM · Arvada · Denver Suburbs
2K5K10KHalf marathon
from $29Goes up Nov 1 -
from $35Goes up Nov 4
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from $36Goes up Nov 21
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from $44Goes up Nov 14
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Coffee Lovers Run 5K/10K/13.1 Denver/Aurora
Sat Nov 28 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
Thanksgiving Gobble Trot Run 5K/10K/13.1 Denver/Aurora
Sat Nov 28 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30
Other seasons near Denver
Quick answers
How many 10k races are near Denver in fall 2026?
16 10k races are listed near Denver in fall 2026. The first is Halloween Trick or Trot Run 5K/10K/13.1 Denver/Aurora on Saturday, October 31 in Centennial, and the last is Thanksgiving Gobble Trot Run 5K/10K/13.1 Denver/Aurora on November 28.
What is the cheapest 10K near Denver in fall 2026?
Salute to Veterans 5K/10K/Half Marathon - Denver on November 14 has the lowest listed entry fee: $15. Prices are before the registration platform's processing fee.
When does the next early-bird price end for 10k races near Denver?
All-Out Kooky-Spooky: the Half marathon goes from $80 to $85 after October 19. 7 more of these 10k races publish a later price increase.
Are there half marathons or marathons near Denver in fall 2026?
Yes: 10 half marathons and 0 marathons. The first is Halloween Trick or Trot Run 5K/10K/13.1 Denver/Aurora on October 31.