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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Half Marathon | Half Marathon | Jul 10, 20277:00 AM | $65$70 after Jan 11, 2027 | – |
| 10K | 10K | Jul 10, 20277:30 AM | $45$50 after Jan 11, 2027 | – |
| 5K | 5K | Jul 10, 20277:40 AM | $35$40 after Jan 11, 2027 | – |
| VIRTUAL 10KVirtual | 10K | Jul 10, 20277:00 AM | $25$30 after Jan 11, 2027 | – |
| VIRTUAL 5KVirtual | 5K | Jul 10, 20277:00 AM | $20$25 after Jan 11, 2027 | – |
| VIRTUAL Half MarathonVirtual | Half Marathon | Jul 10, 20277:00 AM | $35$40 after Jan 11, 2027 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Half Marathon fee goes up to $70 on Jan 11, 2027.
Online registration closes Jul 10, 2027, unless the race fills first.
At $65, entry is about the same as a typical half marathon in Colorado ($60).
A typical finisher at a half marathon in Westminster runs 2:07:10, about 9:42 a mile, based on 6 races with published results. Women typically finish in 2:16:12 and men in 1:59:03.
Sunrise on race morning is at about 5:40 AM, and the Half Marathon starts at 7:00 AM. The start sits about 5,450 feet above sea level, high enough that most runners from lower ground run noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
10170 Church Ranch Way, Westminster, CO 80021
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
Aggregated from official results (CCR Timing) for All-Out Dog Days. Individual finisher names are not stored here.
At the 2026 5K, the fastest tenth finished in 26:06 or better, the top quarter in 32:08, and half the field in 39:43; the last tenth came in after 1:02:42.
At the 2026 10K, the fastest tenth finished in 50:30 or better, the top quarter in 56:57, and half the field in 1:07:14; the last tenth came in after 1:25:37.
At the 2026 Half Marathon, the fastest tenth finished in 1:36:59 or better, the top quarter in 1:55:23, and half the field in 2:10:50; the last tenth came in after 2:45:08.
| Age | Women | Men |
|---|---|---|
| Under 20 | 36:19 | n/a |
| 20-29 | 36:19 | 26:05 |
| 30-39 | 26:50 | 25:02 |
| 40-49 | 35:42 | 24:44 |
| 50-59 | 36:17 | 31:28 |
| 60-69 | 46:44 | 48:07 |
| 70+ | n/a | 40:07 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
Where a finish time would have placed in 2026.
Up 26 percent since 2023.
All events combined, from official results.
From 2023 to 2026, the field went from 92 to 141 finishers, and the median time rose from 35:41 to 39:43.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 141 (-11%) | 39:43 | under 26:06 | 21:34 |
| 2025 | 158 (+3%) | 35:22 | under 25:27 | 19:25 |
| 2024 | 153 (+66%) | 36:01 | under 25:55 | 19:04 |
| 2023 | 92 | 35:41 | under 24:41 | 19:22 |
From each year's official results for the 5K; virtual options are left out.
Slower than most Colorado 5Ks
The fastest quarter of the 2026 5K field finished under 32:08, against 29:37 in a typical Colorado 5K, so times here run 8 percent slower.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Around July 10 the day usually runs from 61°F at dawn to 91°F in the afternoon, with measurable rain on about 7% of days. Cold snaps dip to 57°F and hot years reach 98°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
What the organizers of All-Out Dog Days cover on their registration page, in brief.
Schedule and packet pickup
Thursday, July 11. 4:30p-6:30p Early packet pick-up. Location: Road Runner Sports, 10442 Town Center Dr., Westminster click here for directions. Road Runner Sports will donate $1 to Do Over Dogs for every packet picked up here! Saturday…
Course
Church Ranch Office Park. 10170 Church Ranch Wy, Westminster, CO 80021. 5K course. (23% asphalt/77% concrete) Download/elevation profile. 5K athletes will leave the office parking lot to head west on Big Dry Creek Trail for 1.55 miles…
Shirt and medal
♦ RRCA Certified Race Director— Organization you can count on! With hundreds of events under the belt of our director and a staff with 25+ years experience, your event will run smoothly. (Ha! No pun intended). ♦ Early AND Race Day Packet…
Rules and FAQ
We're looking forward to this race in the dog days of summer! We're looking forward to seeing you at Dog Days on July 13 in Westminster, CO! Here's all the details that you need for a safe and fun event, please read them all the way…
Organize this race? Add details or a correction
Get ready for a fantastic mid-season challenge and a sun-soaked adventure at our 15th Annual Dog Days 5K, 10K, and half marathon, proudly benefiting Lifeline Puppy Rescue! Held in a central location convenient to both Denver and Boulder, our courses go along the scenic concrete-paved Big Dry Creek Trail as it winds northeast. You'll enjoy breathtaking views of the Flatirons on the horizon while you run.