53 results: Fairfax, Virginia
Frosty 5k
21DEC
5K

Frosty 5k

3 days • Fairfax, VA, US
Organized by RunSignup
Johnny Casa 5 Miler 5k Run/walk
20DEC
5K

Johnny Casa 5 Miler 5k Run/walk

2 days • Rocky Mount, VA, US
Organized by RunGroop
Crooked Road 24 Hour Ultra
08MAR

Crooked Road 24 Hour Ultra

80 days • Rocky Mount, VA, US
Organized by RunSignup
Massanutten Mountain Trails 100 Mile Run
16MAY
Trail
Mountain
+1

Massanutten Mountain Trails 100 Mile Run

149 days • Fort Valley, VA, US
Organized by UltraSignup
Run Thru Reston
26APR
5K
Marathon
+1

Run Thru Reston

129 days • Reston, VA, US
Organized by RunSignup
Bull Run Run 50 Miler
04APR

Bull Run Run 50 Miler

107 days • Clifton, VA, US
Organized by RunGroop
New Year's Day 5k
01JAN
5K

New Year's Day 5k

14 days • Reston, VA, US
Organized by RunGroop
Pnc Alexandria Half
26APR
5K
Half-Marathon

Pnc Alexandria Half

129 days • Alexandria, VA, US
Organized by RunSignup
Mcrrc Run Aware 5k
17MAY
5K

Mcrrc Run Aware 5k

150 days • Bethesda, MD, US
Organized by RunSignup
Bike/run And Run Only Training
01APR
Triathlon

Bike/run And Run Only Training

104 days • Alexandria, VA, US
Organized by RunSignup
Everymile For Everymind 5k And 1k Fun Run/walk
10MAY
5K
1k

Everymile For Everymind 5k And 1k Fun Run/walk

143 days • Rockville, MD, US
Organized by RunSignup
Pike's Peek 10k
26APR
1 Mile
4 Mile
+1

Pike's Peek 10k

129 days • Derwood, MD, US
Organized by RunSignup
Mcrrc New Year's Day 5k
01JAN
5K

Mcrrc New Year's Day 5k

14 days • Gaithersburg, MD, US
Organized by RunSignup
Mcrrc Spin In The Woods
28MAR

Mcrrc Spin In The Woods

100 days • Wheaton, MD, US
Organized by RunSignup
Go Gray In May 2026
02MAY
5K

Go Gray In May 2026

135 days • Bladensburg, MD, US
Organized by RunGroop
Mcrrc Memorial Day 4 Mile
25MAY
4 Mile

Mcrrc Memorial Day 4 Mile

158 days • Rockville, MD, US
Organized by RunSignup
Mcrrc Kemp Mill (c)hills 5k/10k
08FEB
5K
10K

Mcrrc Kemp Mill (c)hills 5k/10k

52 days • Silver-Spring, MD, US
Organized by RunSignup
Mcrrc Kids On The Run
02MAY
Marathon
1 Mile

Mcrrc Kids On The Run

135 days • Gaithersburg, MD, US
Organized by RunSignup
Azalea Classic
02MAY
5K
1k

Azalea Classic

135 days • University-Park, MD, US
Organized by RunSignup
Mcrrc Seneca Creek Greenway Trail Marathon & 50k
07MAR
50k

Mcrrc Seneca Creek Greenway Trail Marathon & 50k

79 days • Gaithersburg, MD, US
Organized by RunSignup

Frequently Asked Questions

What types of running events are popular in Fairfax?

Fairfax hosts a variety of events including 5Ks, 10Ks, half marathons, and marathons. Check the event details for specific distances and difficulty levels.

How do I register for running events in Fairfax?

Most events allow online registration through their event pages. Some may also offer day-of registration, but it's best to register in advance.

Are there beginner-friendly events in Fairfax?

Yes! Many events in Fairfax welcome beginners and offer multiple distance options. Look for events with walker-friendly policies.

What should I expect at my first running event?

Arrive early for packet pickup, warm up properly, and don't worry about your pace. Most events are supportive of all participants regardless of speed.