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58 races within 25 mi of Castle Rock, CO

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Sat · Oct31
HRCA Backcountry Wilderness Half Marathon
Lone Tree, CO11 mi away
Ideal weather · 96/100 Typical: 58° / 31°F · 16% rain
11% faster times (trail half)past finishers
Sat · Nov7
Turkey Trails- Denver
Littleton, CO16 mi away
Ideal weather · 94/100 Typical: 56° / 30°F · 14% rain

Sat · Nov14

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Ideal weather · 92/100 Typical: 55° / 29°F · 12% rain

Sat · Nov14

Salute to Veterans 5K/10K/Half Marathon - Denver

Aurora, CO18 mi away

Ideal weather · 92/100 Typical: 55° / 29°F · 12% rain

Sat · Nov14

Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Ideal weather · 92/100 Typical: 55° / 29°F · 12% rain

Sun · Nov15

The Wash Park Circuit, Powered by New Balance

Denver, CO23 mi away

Good weather · 81/100 Typical: 52° / 27°F · 15% rain

Thu · Nov26

Gobble Wobble Run 2026

Littleton, CO19 mi away

Good weather · 76/100 Typical: 47° / 25°F · 14% rain

10% slower times (5K)past finishers

Thu · Nov26

Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

Parker, CO10 mi away

Good weather · 76/100 Typical: 47° / 25°F · 14% rain

Thu · Nov26

Thanksgiving Day Southmoor Park Fun Run

Denver, CO18 mi away

Good weather · 76/100 Typical: 47° / 25°F · 14% rain

Thu · Nov26

TurCreek Trot 5K

Greenwood Village, CO17 mi away

Good weather · 76/100 Typical: 47° / 25°F · 14% rain

5% slower times (5K)past finishers

Sat · Nov28

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Ideal weather · 85/100 Typical: 48° / 26°F · 10% rain

Sat · Nov28

Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Ideal weather · 85/100 Typical: 48° / 26°F · 10% rain

Sat · Dec5

Sawmill Trail Runs

Pine, CO22 mi away

Fair weather · 68/100 Typical: 31° / 12°F · 32% rain

Sun · Dec6

RMRR December 4.5mi

Denver, CO23 mi away

Good weather · 72/100 Typical: 44° / 22°F · 16% rain

Sat · Dec12

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 81/100 Typical: 44° / 23°F · 11% rain

Sat · Dec12

Santa Shuffle 5K

Littleton, CO19 mi away

Good weather · 71/100 Typical: 43° / 22°F · 17% rain

Sat · Dec12

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 81/100 Typical: 44° / 23°F · 11% rain

Sun · Dec13

2026 Jingle Bell Run - Colorado

Denver, CO23 mi away

Good weather · 70/100 Typical: 43° / 22°F · 17% rain

Sun · Dec20

Ugly Sweater 5K

Denver, CO23 mi away

Fair weather · 68/100 Typical: 42° / 21°F · 18% rain

Sat · Dec26

A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 77/100 Typical: 42° / 21°F · 14% rain

Sat · Dec26

New Year's Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 77/100 Typical: 42° / 21°F · 14% rain

Sat · Jan16

MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 78/100 Typical: 42° / 22°F · 12% rain

Sat · Jan16

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, CO18 mi away

Good weather · 78/100 Typical: 42° / 22°F · 12% rain

Sat · Jan30

Coffee Lovers Run DENVER/AURORA

Centennial, CO18 mi away

Good weather · 79/100 Typical: 44° / 22°F · 15% rain

Sat · Jan30

Run for Donut DENVER/AURORA

Centennial, CO18 mi away

Good weather · 79/100 Typical: 44° / 22°F · 15% rain

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