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Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

2026 IS HERE!


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Calgary Marathon

Calgary, AB
Sunday, May 24, 2026


  4 Stars from 2 Reviews

Course Description

No course description available at this time.


May Other Marathons in May Other Marathons in Alberta Marathons near Calgary, AB



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Race Information

Race Dates

2027: TBD
2026: Sunday, May 24, 2026

Course Information

Profile: Rolling Hills
Type: Loop
Surface: Road/Pavement

Boston Qualifier?: Yes
World Marathon Major Qualifier?: Yes

Race Day Weather

Mean Temp.: 57°F (13°C)
Average High: 69°F (20°C)
Average Low: 45° F (7°C)




PR Score & Course Score

PR Score: 97.19
Course Score: 97.19

Race Size

2026: No Results
2025: 1,937 Finishers
2024: 1,557 Finishers
2023: 1,007 Finishers
2022: 655 Finishers
2021: 666 Finishers

BQ Percentages

2026: N/A
2025: 4.7%
2024: 8.9%
2023: 9.6%
2022: 11.3%
2021: 14.4%

Miscellaneous Information

Pace Groups?: Yes

Weather Averages for Last 10 Years


Race Day Temperatures

High: 67°F  (19°C)
Low: 42°F  (6°C)

Race Start Conditions

45°F  (7°C)
Humidity: 74%

Partially cloudy
NNW 6 mph

PR Score

96.96

Course Score

97.07






Calgary Marathon Rankings, Course Speed & Boston Qualifier Statistics

The Calgary Marathon was the 6th largest marathon in Canada in 2025 based on the number of finishers. In 2024, it ranked as the 8th largest marathon in Canada.

In 2025, 4.7% of Calgary Marathon finishers achieved Boston Marathon qualifying times. In 2024, 8.9% of finishers qualified for Boston.

Based on its percentage of Boston Qualifiers (BQs), the Calgary Marathon ranked 24th among marathons in Canada in 2025 and 19th in 2024. In Alberta, it ranked 2nd in 2025 and 2nd in 2024. These rankings provide a useful benchmark for runners comparing Boston Marathon qualifying potential across different races.

The Calgary Marathon has a Course Score of 97.19, ranking it as the 30th fastest marathon course in Canada and the 2nd fastest marathon course in Alberta.

Typical race-time temperature and humidity levels are within the ideal range for optimal marathon performance. Combined with the course profile, this gives the Calgary Marathon a PR Score of 97.19. The PR Score ranks the Calgary Marathon as the 28th best marathon in Canada for running a Personal Record (PR) and the 2nd best marathon for a PR in Alberta.

Together, these rankings provide a quick snapshot of how the Calgary Marathon compares with other marathons in Canada and Alberta for speed, PR potential, Boston Marathon qualifying success, and overall participation.

Calgary Marathon Marathon Rankings Summary
Course Speed30th fastest marathon course in Canada
Ranked 2nd fastest marathon course in Alberta
Top 97% Nationally#2 of 2 in Alberta
PR Potential28th best marathon for a Personal Record in Canada
Ranked 2nd best marathon for a PR in Alberta
Top 91% Nationally#2 of 2 in Alberta
Boston Qualifier Rate24th highest BQ percentage in Canada
Ranked 2nd highest BQ percentage in Alberta
Based on 2025 Boston Marathon qualifying results
Top 83% Nationally#2 of 2 in Alberta
Race Size6th largest marathon in Canada
Ranked 1st largest marathon in Alberta
Based on 2025 results
Top 20% Nationally#1 of 3 in Alberta

Learn more about PR Scores and Course Scores on the FAQ page.



Elevation Chart


Max Elevation: 3513 feet (1071m)
Min Elevation: 3403 feet (1037m)

Elevation Gain: 437 feet (133m)
Elevation Loss: 437 feet (133m)


Calgary



Hotel & VRBO Accommodations for the Calgary Marathon

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Compare the Calgary Marathon to other Marathons

Use tools below to compare races and convert times across courses.

Do you want to see how the Calgary Marathon stacks up against other marathons?

Compare the details of the Calgary Marathon side-by-side with other marathons with our Comparison Tool.


Comparison Tool

If you ran the Calgary Marathon in 3:21:00, what would your time in other marathons be?

See how your finish time would compare on other marathon courses with our Time Conversion Tool.


Time Converter Tool

Race Reviews


4.0
Based on 2 reviews
Write Your Own Review

Great route

Full Review:

Very good course route. The start is a little hectic running through the downtown streets with lots of turns. After the first km the course straightens out and becomes great. Long straight sections and a couple of hills. The hills weren't to steep so they didnt kill your legs to much however it was easy to attack them (which hurt me in the last couple km).

There were marching bands and lots of big groups out to cheer you on. There was a couple of sections without people however because it was an out and back the runners were great cheering you on.

One thing is that the half and marathon start at the same time. The start was good but when the end came in they did'nt have the last 3 km split. I finished sub 2:40 so there was a large speed difference between myself and the half marathoners that were finishing. However, all the half runners were great and stuck to one side giving me lots of room to pass making it safe.

I'll absolutely do it again.
Reviewed by Thomas M About 2026

Full Review:

The course was fairly fast and hit a lot of the areas in Calgary. Was very disappointed with the very low numbers of Calgarians out to cheer the runners on.
Reviewed by Anonymous About 2014