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Fairfax 5K races

5K Races in Fairfax, Virginia

8 upcoming 5K races in Fairfax, listed by date with entry fees from race registration.

8
upcoming 5K races
34:58
typical finish

Other distances in Fairfax

October 2026

November 2026

December 2026

February 2027

September 2027

5K results in Fairfax

From 16 5K races with official results in the last two years, 8,039 finishers in all.

Typical 5K times by age and gender

34:58
typical finish
11:15 /mi
typical pace
364
finishers in a typical race
36:58
women, typical finish
31:17
men, typical finish
under 24:35
the fastest tenth

Entry for upcoming 5K races in Fairfax usually runs from $40 to $43, with a typical fee of $40 before processing fees.

Typical times are the middle finisher across these races, weighted by field size. School meets, stair climbs, and results with timing errors are left out.

Fastest 5K races in Fairfax

  1. 1ASHRAE: Run for Research 5KFairfax · median 30:59 · 63 finishers in 2026
  2. 2Raccoon RunFairfax · median 31:32 · 119 finishers in 2026
  3. 3=PR= Races: Frosty 5K & 1KFairfax · median 31:41 · 714 finishers in 2025
  4. 4George Mason 5K and Fun RunFairfax · median 31:55 · 301 finishers in 2025
  5. 5Feed Fairfax 5KFairfax · median 33:37 · 358 finishers in 2026

Biggest 5K races in Fairfax

  1. 1City of Fairfax Turkey Trot 5KFairfax · 1,593 finishers in 2025
  2. 2StarKid 5KFairfax · 919 finishers in 2026
  3. 3=PR= Races: Donut Dash 5K & 1KFairfax · 783 finishers in 2026
  4. 4=PR= Races: Frosty 5K & 1KFairfax · 714 finishers in 2025
  5. 5=PR= Races: Veterans Day 5K & 1KFairfax · 708 finishers in 2025
When 5K races happen in Fairfax