Tucson Unified School District Second Annual 5K and One-Mile Fun Run and Walk
Tucson, Arizona7:00 AM start
1 Mile5K
from Free
RegisterArizona race calendar
October 2026 races in Arizona
Running races in Arizona in October 2026: 35 upcoming 5Ks, 10Ks, half marathons, marathons, and trail races with dates and entry fees.
35
upcoming races
2,026
year
October 2026
Flagstaff Marathon Presented by Cambium Wealth and Legacy Strategies
Flagstaff, Arizona8:00 AM startTrail
from Free
Register
from $25
RegisterEveryone Runs Catalina State Park 50-Year Trail Race and 5k Trail Run & Walk
Tucson, Arizona6:00 AM startTrail
5K15K
from $46
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from Free
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from $10
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from $30
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from $30
Registerfrom $5
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from $50
Registerfrom $50
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from $15
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from $15
RegisterAESD Breast Cancer Awareness Walk
Avondale, Arizona8:00 AM start
from Free
Register
from $30
RegisterTMC A-Mountain Half Marathon + 4-Miler + Family Mile
Tucson, Arizona6:30 AM start
from Free
RegisterGrand Canyon Trail Marathon, Half-Marathon, & 5k Run/Walk
Grand Canyon Village, Arizona7:30 AM startTrail
from $10
Register
from $49
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from $20
Registerfrom $35
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from $25
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from $15
Registerfrom $195
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from Free
Registerfrom $45
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from $30
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from $30
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from $35
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from $30
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from Free
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from $10
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from $25
Register