from $60
RegisterColorado race calendar
December 2026 races in Colorado
Running races in Colorado in December 2026: 24 upcoming 5Ks, 10Ks, half marathons, marathons, and trail races with dates and entry fees.
24
upcoming races
2,026
year
December 2026
from $50
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from $22
RegisterChasing Santa 5k/Cycling Santa Toy Drive Presented by: Springs Law Group
Colorado Springs, Colorado9:00 AM start
from Free
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from $28
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from $35
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from $22
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from $10
RegisterRun for Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado7:30 AM start
from $30
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from $30
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from $35
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from $15
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from $25
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from Free
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from $16.50
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from $20
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from $25
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from Free
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from $39
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from $33
RegisterA Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado7:30 AM start
from $30
Registerfrom $30
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from $25
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