Montana Marathon

Billings, MT, USA

September 20, 2026

Partly cloudy throughout the day.

5 AM

6 AM

Details

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

Pre-Race

Race

Post-Race

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FAQ

When is the 2026 Montana Marathon?

The 2026 Montana Marathon will be held on Sunday September 20, 2026.

Is the Montana Marathon a Boston Marathon Qualfier?

Yes, the Montana Marathon is an official Boston Marathon qualifier.

Montana Marathon Weather History

Montana Marathon Weather Averages

Average Temp: 62°, Average Low: 50°, Average High: 75°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	54°	54°	57°	61°	64°	67°	68°	70°
Feel	52°	54°	56°	60°	63°	66°	67°	69°
Rain	-	-	-	-	-	-	-	-
Wind	9mph	8mph	10mph	9mph	11mph	11mph	13mph	13mph
Dew	38°	40°	41°	41°	41°	41°	41°	41°
RunScore

Montana Marathon 2025

Jun 1, 2025

Partly cloudy throughout the day.

Low: 52°, High: 81°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	65°	71°	74°	78°	79°	81°	81°	81°
Feel	65°	71°	74°	78°	79°	80°	80°	80°
Rain	-	-	-	-	-	-	-	-
Wind	5mph	13mph	5mph	0mph	7mph	15mph	16mph	20mph
Dew	47°	47°	51°	51°	53°	49°	45°	45°
RunScore

Montana Marathon 2024

May 19, 2024

Partly cloudy throughout the day with afternoon rain.

Low: 44°, High: 57°, Moderate Rain

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	49°	49°	49°	51°	50°	50°	44°	47°
Feel	43°	45°	44°	51°	45°	43°	38°	40°
Rain	-	-	-	-	-	-	light	light
Wind	14mph	9mph	13mph	14mph	15mph	21mph	13mph	17mph
Dew	32°	33°	34°	34°	34°	34°	39°	42°
RunScore

Montana Marathon 2023

May 21, 2023

Partly cloudy throughout the day.

Low: 54°, High: 83°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	55°	57°	61°	66°	71°	74°	77°	81°
Feel	55°	57°	61°	66°	71°	74°	77°	80°
Rain	-	-	-	-	-	-	-	-
Wind	8mph	10mph	7mph	5mph	3mph	5mph	6mph	6mph
Dew	48°	49°	50°	51°	51°	50°	51°	49°
RunScore

Montana Marathon 2022

May 22, 2022

Partly cloudy throughout the day.

Low: 32°, High: 58°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	36°	39°	42°	47°	50°	53°	55°	56°
Feel	32°	34°	38°	43°	47°	53°	55°	56°
Rain	-	-	-	-	-	-	-	-
Wind	5mph	7mph	7mph	8mph	8mph	7mph	10mph	7mph
Dew	26°	29°	30°	33°	32°	32°	31°	31°
RunScore

Montana Marathon 2021

Sep 19, 2021

Partly cloudy throughout the day with afternoon rain.

Low: 51°, High: 70°, Light Rain

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	60°	58°	59°	58°	58°	53°	51°	56°
Feel	60°	58°	59°	58°	58°	53°	51°	56°
Rain	-	-	-	-	-	-	light	-
Wind	6mph	7mph	22mph	11mph	11mph	11mph	6mph	6mph
Dew	35°	36°	36°	37°	36°	42°	46°	45°
RunScore

Montana Marathon 2020

Sep 20, 2020

Partly cloudy throughout the day.

Low: 54°, High: 74°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	55°	54°	57°	62°	69°	71°	70°	70°
Feel	55°	54°	57°	62°	69°	71°	70°	70°
Rain	-	-	-	-	-	-	-	-
Wind	13mph	10mph	14mph	15mph	24mph	26mph	23mph	24mph
Dew	38°	39°	39°	38°	34°	34°	32°	32°
RunScore

Montana Marathon 2019

Sep 15, 2019

Partly cloudy throughout the day.

Low: 65°, High: 95°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	70°	65°	68°	72°	77°	83°	88°	92°
Feel	70°	65°	68°	72°	77°	81°	85°	88°
Rain	-	-	-	-	-	-	-	-
Wind	14mph	7mph	5mph	10mph	11mph	5mph	3mph	3mph
Dew	37°	41°	42°	45°	46°	48°	46°	44°
RunScore

Montana Marathon 2018

Sep 16, 2018

Partly cloudy throughout the day.

Low: 51°, High: 74°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	52°	53°	56°	59°	62°	67°	70°	71°
Feel	52°	53°	56°	59°	62°	67°	70°	71°
Rain	-	-	-	-	-	-	-	-
Wind	5mph	6mph	5mph	0mph	0mph	3mph	9mph	8mph
Dew	46°	47°	47°	47°	48°	50°	49°	46°
RunScore

Montana Marathon 2017

Sep 17, 2017

Partly cloudy throughout the day.

Low: 39°, High: 64°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	41°	40°	43°	46°	49°	53°	55°	58°
Feel	36°	40°	40°	43°	46°	53°	55°	58°
Rain	-	-	-	-	-	-	-	-
Wind	8mph	0mph	6mph	7mph	7mph	5mph	8mph	5mph
Dew	37°	37°	37°	39°	40°	41°	42°	41°
RunScore

Montana Marathon 2016

Sep 18, 2016

Partly cloudy throughout the day with late afternoon rain.

Low: 62°, High: 80°, Light Rain

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	62°	63°	68°	71°	76°	77°	78°	79°
Feel	62°	63°	68°	71°	76°	77°	78°	79°
Rain	-	-	-	-	-	-	-	-
Wind	14mph	14mph	14mph	14mph	32mph	25mph	30mph	32mph
Dew	44°	44°	46°	45°	41°	38°	37°	35°
RunScore

Montana Marathon 2015

Sep 20, 2015

Becoming cloudy in the afternoon.

Low: 54°, High: 82°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	54°	54°	56°	64°	70°	76°	79°	80°
Feel	54°	54°	56°	64°	70°	76°	79°	79°
Rain	-	-	-	-	-	-	-	-
Wind	16mph	10mph	14mph	14mph	11mph	13mph	22mph	18mph
Dew	32°	32°	33°	33°	35°	35°	34°	34°
RunScore

Montana Marathon 2014

Sep 21, 2014

Clear conditions throughout the day.

Low: 47°, High: 79°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM
Temp	47°	52°	52°	55°	61°	65°	70°	72°
Feel	44°	52°	52°	55°	61°	65°	70°	72°
Rain	-	-	-	-	-	-	-	-
Wind	5mph	3mph	6mph	6mph	3mph	0mph	7mph	7mph
Dew	38°	41°	43°	43°	44°	44°	45°	45°
RunScore