Starting at 62°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Temperatures rising to 75°F through the course will gradually increase perceived effort in the second half. Moderate winds around 14mph may affect pacing on open sections of the course.

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

5 PM

6 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 6.2mi

Finish time

0:00:00

HH:MM:SS

Pace

—

Enter a finish time to see what race day does to it.

Pace

—

Enter a finish time to see your race-day finish and True Effort, with what the weather, wind, hills and altitude do to it.

Common Goals:

Get forecast alerts for Flagstaff 10K

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Flagstaff 10K race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace

Weather Splits

Nutrition

Gear & Packing

T-Minus

Carb Tracker

Spectator Guide

Race Band

Race Info

The Flagstaff 10K is a trail race in the Coconino National Forest that starts and finishes at Arizona Nordic Village, off US 180 northwest of Flagstaff. It follows single and double track through ponderosa pine and aspen at more than 8,000 feet, on the Saturday of race weekend.

Website

Race weekend

Saturday, October 3

8:00 AMMarathon (26.2 mi)9:00 AMHalf Marathon (13.1 mi)

9:30 AM10K (6.2 mi)

FAQ

When is the 2026 Flagstaff 10K?

The 2026 Flagstaff 10K will be held on Saturday October 3, 2026.

What will the weather be like for the 2026 Flagstaff 10K?

The forecast calls for a high of 75°F and a low of 43°F with a 0% chance of rain. Check our detailed hourly forecast above for the best 10K race plan.

Historical Weather

Based on 19 years of data

Avg Temp

65°F

L:64° H:67°

RunScore

Conditions

Rain Freq

1 of 19 yrs

Wind7mph

Dew35°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Flagstaff 10K Clear conditions throughout the day. 2026	62°/67°	-	42°
2025 Flagstaff 10K Clear conditions throughout the day. 2025	56°/58°	-	28°
2024 Flagstaff 10K Clear conditions throughout the day. 2024	74°/79°	-	27°
2023 Flagstaff 10K Clear conditions throughout the day. 2023	55°/64°	-	15°
2022 Flagstaff 10K Partly cloudy throughout the day with late afternoon rain. 2022	63°/66°	-	38°
2021 Flagstaff 10K Clear conditions throughout the day. 2021	57°/60°	-	40°
2018 Flagstaff 10K Partly cloudy throughout the day. 2018	74°/76°	-	37°
2017 Flagstaff 10K Clear conditions throughout the day. 2017	62°/65°	-	41°
2016 Flagstaff 10K Clear conditions throughout the day. 2016	64°/69°	-	24°
2015 Flagstaff 10K Clear conditions throughout the day. 2015	69°/73°	-	35°
2014 Flagstaff 10K Partly cloudy throughout the day with afternoon rain. 2014	66°/67°	-	55°
2013 Flagstaff 10K Clear conditions throughout the day. 2013	65°/68°	-	48°
2012 Flagstaff 10K Partly cloudy throughout the day. 2012	68°/73°	-	33°
2011 Flagstaff 10K Becoming cloudy in the afternoon. 2011	68°/74°	-	32°
2010 Flagstaff 10K Clear conditions throughout the day. 2010	66°/67°	-	33°
2009 Flagstaff 10K Clear conditions throughout the day. 2009	71°/76°	-	20°
2008 Flagstaff 10K Clear conditions throughout the day with afternoon rain. 2008	69°/72°	-	37°
2007 Flagstaff 10K Partly cloudy throughout the day with rain. 2007	55°/61°	Light	50°
2006 Flagstaff 10K Clear conditions throughout the day. 2006	45°/48°	-	24°