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Thornton 5K races

5K Races in Thornton, Colorado

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

4
upcoming 5K races
36:31
typical finish

Other distances in Thornton

October 2026

December 2026

June 2027

5K results in Thornton

From 5 5K races with official results in the last two years, 1,152 finishers in all.

Typical 5K times by age and gender

36:31
typical finish
11:45 /mi
typical pace
210
finishers in a typical race
41:33
women, typical finish
33:28
men, typical finish
under 24:20
the fastest tenth

Entry for upcoming 5K races in Thornton usually runs from $36 to $43, with a typical fee of $41 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 Thornton

  1. 1WinterFest 5k & Fun RunThornton · median 36:31 · 326 finishers in 2025
  2. 2I Can 5kThornton · median 39:05 · 100 finishers in 2025
  3. 3Unicorn 5k (North)Thornton · median 40:25 · 210 finishers in 2026

Biggest 5K races in Thornton

  1. 1WinterFest 5k & Fun RunThornton · 326 finishers in 2025
  2. 2Unicorn 5k (North)Thornton · 210 finishers in 2026
  3. 3I Can 5kThornton · 100 finishers in 2025
When 5K races happen in Thornton