28 results: Riverside, California
Citrus Heritage Run
10JAN
1 Mile
Half-Marathon
+2

Citrus Heritage Run

32 days • Riverside, CA, US
Organized by RunSignup
Nanny Goat 3/6/12/24/100
23MAY
Trail
100 Mile

Nanny Goat 3/6/12/24/100

165 days • Riverside, CA, US
Organized by UltraSignup
71st Annual Fontana Days Run
06JUN
5K
Marathon
+1

71st Annual Fontana Days Run

179 days • Fontana, CA, US
Organized by RunSignup
71st Annual Fontana Days Run
06JUN
5K
Marathon
+1

71st Annual Fontana Days Run

179 days • Fontana, CA, US
Organized by RunSignup
Machete Trail Madness 100k
25APR
50K
Mountain
+2

Machete Trail Madness 100k

137 days • Perris, CA, US
Organized by UltraSignup
O'Neill Park Trail Races
16MAY
Trail

O'Neill Park Trail Races

158 days • Trabuco Canyon, CA, US
Organized by UltraSignup
2025 Annual 5k Walk/run With Hope
21MAR
5K

2025 Annual 5k Walk/run With Hope

102 days • Yorba Linda, CA, US
Organized by RunSignup
Nurses Rock Run/walk
02MAY
5K
10K

Nurses Rock Run/walk

144 days • San Dimas, CA, US
Organized by RunSignup
39th Annual Tinsel Triathlon
14DEC
5K

39th Annual Tinsel Triathlon

5 days • Hemet, CA, US
Organized by RunSignup
Bedrock Valley Trail Runs
12APR

Bedrock Valley Trail Runs

124 days • Hemet, CA, US
Organized by RunSignup
Memorial Day 5k, 10k & Kids 1 Mile Run/walk
25MAY
1 Mile
10K
+1

Memorial Day 5k, 10k & Kids 1 Mile Run/walk

167 days • Hemet, CA, US
Organized by RunSignup
ANNUAL NATRO@NOLI INDIAN SCHOOL
18APR
Trail
Track
+1

ANNUAL NATRO@NOLI INDIAN SCHOOL

130 days • San Jacinto, CA, US
Organized by UltraSignup
Covina Fun Run Xxix
25APR
5K
1 Mile

Covina Fun Run Xxix

137 days • Covina, CA, US
Organized by RunGroop
25JAN
5K

Fullerton 5k

47 days • Fullerton, CA, US
Organized by RunGroop
Lights For Life 5k
13DEC
5K

Lights For Life 5k

4 days • Murrieta, CA, US
Organized by RunGroop
2026 Disneyland Half Marathon Weekend Presented By Honda
01FEB
5K
Half-Marathon
+1

2026 Disneyland Half Marathon Weekend Presented By Honda

54 days • Anaheim, CA, US
Organized by RunSignup
Pre-registration 2026 Plymouth Rock N Run
26NOV
5K
10K

Pre-registration 2026 Plymouth Rock N Run

352 days • Anaheim, CA, US
Organized by RunGroop
Anaheim Ducks 5k Presented By Arrowhead Water
31DEC
5K

Anaheim Ducks 5k Presented By Arrowhead Water

22 days • Irvine, CA, US
Organized by RunGroop
9th Annual Brave Race 2026
22FEB

9th Annual Brave Race 2026

75 days • Aliso Viejo, CA, US
Organized by RunSignup
The 2026 Hoag Oc Marathon Running Festival (expo Registration)
03MAY
5K
Half-Marathon

The 2026 Hoag Oc Marathon Running Festival (expo Registration)

144 days • Costa Mesa, CA, US
Organized by RunSignup

Frequently Asked Questions

What types of running events are popular in Riverside?

Riverside 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 Riverside?

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 Riverside?

Yes! Many events in Riverside 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.