Brian Rock – Medium

Brian Rock

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Brian Rock
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Runner's Life

Predicting the 2025 Boston Marathon Cut-Off Time

If you’re waiting for it to come down, don’t hold your breath

Aug 30

Predicting the 2025 Boston Marathon Cut-Off Time

Aug 30

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Brian Rock
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Runner's Life

How Do You Compare Race Results Between Age Groups?

The promise of and problems with the age grading system

Jan 31

How Do You Compare Race Results Between Age Groups?

Jan 31

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Brian Rock

A Deep Dive Into Marathon Data

Recently, I saw a post on Reddit the sparked some great conversation. Have marathoners really gotten slower over the last twenty years?

Aug 24, 2023

A Deep Dive Into Marathon Data

Aug 24, 2023

Brian Rock
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Running with Rock

Recovery Week 3: I’m Back Baby, My Legs Feel Normal Again

This is my third week since the Chicago Marathon. And I think it’s safe to say … I’m back. My legs feel alive again, and I’m (more or…

17h ago

Recovery Week 3: I’m Back Baby, My Legs Feel Normal Again

17h ago

Brian Rock
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Running with Rock

How Does the Gender Distribution of Finishers at the Chicago Marathon Vary by Country?

Dig a little deeper, and there are some surprising differences

1d ago

How Does the Gender Distribution of Finishers at the Chicago Marathon Vary by Country?

1d ago

Brian Rock
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Running with Rock

Recovery Week 2: Starting to Feel Normal Again Post-Chicago

From the trails to the boardwalk, running is getting easier

Oct 26

Recovery Week 2: Starting to Feel Normal Again Post-Chicago

Oct 26

Brian Rock
in
Runner's Life

Was the Weather This Summer Worse For Running Than Usual?

Or did it just feel that way? Data from New York, Chicago, and other major cities.

Oct 26

Was the Weather This Summer Worse For Running Than Usual?

Oct 26

Brian Rock
in
Running with Rock

Should Your Runs Feel Harder After Finishing Your First Marathon?

Or are you losing fitness and turning back into a couch potato?

Oct 25

Should Your Runs Feel Harder After Finishing Your First Marathon?

Oct 25

Brian Rock
in
Running with Rock

Recovery Week 1: The Aftermath of the Chicago Marathon

This week started with the Chicago Marathon. After that, the goal was to focus on recovery.

Oct 20

Recovery Week 1: The Aftermath of the Chicago Marathon

Oct 20

Brian Rock
in
Runner's Life

The 2024 Chicago Marathon By the Numbers

What else happened on Sunday besides a new world record?

Oct 18

The 2024 Chicago Marathon By the Numbers

Oct 18

Brian Rock

Brian Rock

I'm an avid runner, focusing on longer distances like the marathon. I also enjoy being out on the trails, walking my dog, and making beer. And I'm a data nerd.

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