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Runner's Life Newsletter
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Data Science
Runner's Life
Runner's Life is a publication for advice and stories from the intersection of running and life. By runners, for runners.
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Data Science
Brian Rock
in
Runner's Life
Jun 29
How Will the New Chicago Marathon Qualifying Times Change Your Odds of Running the Race?
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99
2 responses
Brian Rock
in
Runner's Life
Jun 14
Is There a Better System for Age Grading Marathon Results?
The conclusion of my series on using…
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131
2 responses
Brian Rock
in
Runner's Life
May 24
Do Runners From Warm Climates Do Better in Hot, Spring Marathons?
An analysis of the 2024 Boston…
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246
2 responses
Brian Rock
in
Runner's Life
Apr 11
Percentiles and Z Scores for Marathon Performances From Updated 2023 Performance Data
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53
3 responses
Brian Rock
in
Runner's Life
Mar 30
Are the Boston Qualifying Times Fair For All Age Groups?
Or are the qualifying standards softer for…
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271
3 responses
Brian Rock
in
Runner's Life
Mar 24
Marathon Age Grading Alternatives: Exploring the Updated 2023 Race Result Dataset
Plus a look at how…
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179
3 responses
Brian Rock
in
Runner's Life
Mar 15
Which Is Harder: A Man Running a Marathon Under 3:00 or a Woman Under 3:30?
Let’s see what the data…
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160
7 responses
Brian Rock
in
Runner's Life
Mar 10
Age Grading, Percentiles, and Z-Scores: Three Ways to Compare Race Results
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120
Brian Rock
in
Runner's Life
Mar 2
Can We Use Z-Scores to Compare Running Performances Between Age Groups?
A second alternative to the…
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151
3 responses
Brian Rock
in
Runner's Life
Feb 26
Follow Up on Using Percentiles to Compare Race Performances Across Age Groups
Taking a second look and…
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116
1 response