When in January are most 5K races held?
The busiest weekend in Arizona is January 30 and January 31, with 5 of them, 4 of those on Saturday, January 30. Every one of them is on a Saturday or a Sunday.
Race calendar · January 2027 · Arizona
5K Races in Arizona in January 2027
Every 5K in Arizona in January 2027, all 12 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
January 5K Races, By the Numbers
41:03Median finish time
19:48Median winning time
93Median field size
6January 5K races with published results
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Nov 12, 2026.
When in January
The January Race Weekends
5K races are not spread evenly across January. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest Field
The largest field of any January 5K in Arizona, from the most recent published results.
Arizona 5K Races by City in January
All 5K Runs in Arizona in January
12 total Sat, Jan 2, 2027New Year 5K,10K, & 13.1M at Phoenix, AZ (01) Phoenix, AZFrom $30Details Sat, Jan 9, 2027Chilly Willy 5K/10K/Half Marathon - Tucson Tucson, AZFrom $30Details Sun, Jan 10, 2027Chilly Willy 5K/10K/Half Marathon - Phoenix Phoenix, AZFrom $30Details Sat, Jan 16, 2027MLK Jr. Freedom Run 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Jan 16, 2027Sunrise Marathon 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Jan 23, 20272027 Desert Classic Half Marathon & 5K Glendale, AZRegistration closedFrom $30Details Sat, Jan 23, 2027Empire Ranch Trail Run Sonoita, AZFrom $45Details Sat, Jan 30, 2027PVSchools Community 5K Fun Run/Walk Scottsdale, AZFrom $10Details Sat, Jan 30, 2027Freakin Freezin 5K - Flagstaff Flagstaff, AZFrom $30Details Sat, Jan 30, 2027Coffee Lovers Run PHOENIX Phoenix, AZFrom $30Register Sat, Jan 30, 2027Run for Donuts PHOENIX Phoenix, AZFrom $30Register Sun, Jan 31, 2027Freakin Freezin 5K - Phoenix Glendale, AZFrom $30Details
Common Questions About Running a January 5K in Arizona
What is a good 5K time?
Across the 6 of these January 5K races with published results from past editions, the median finisher ran 41:03, and the median winning time was 19:48. So anything under 41:03 puts you in the faster half of a typical field. That is the middle of these RunSignup fields, walkers and charity entrants included, not a national average.
How big is a typical January 5K field?
The median one finished 93 runners, across the 6 of these January 5K races with published results from past editions. Most are far smaller than the big-city events people picture, which means less crowding at the start and a friendlier field, with a last recorded finisher at 1:23:23.
Are there trail 5K races in Arizona in January?
Yes, one race around Arizona gets you off the pavement: 1 is a trail race.