Katelyn Petrosky

Discover the top high school track & field athletes in Illinois with the 2026 MileSpl...

Discover the top high school track & field athletes in Illinois with the 2026 MileSpl...

Following the conclusion of the national meets, we present the top ranked Illinois Re...

Following the conclusion of the national meets, we present the top ranked Illinois Up...

Following the conclusion of the national meets, we present the top ranked Illinois Ju...

Following the conclusion of the national meets, we present the top ranked Illinois Gi...

Discover the top high school track & field athletes in Chicago with the 2026 MileSpli...

Discover the top high school track & field athletes in Chicago with the 2026 MileSpli...

Discover the top high school track & field athletes in Chicago with the 2026 MileSpli...

Ranking the top overall Girls 1600m athletes in Illinois during the 2026 Outdoor Season.

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 400m-800m performers during the 2...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 400m-800m performers during the 2...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 400m-800m performers during the 2...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Highlighting seasonal rankings for Girls 3A in advance of this week's State Champions...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top Girls performances in Illinois for All Events taking place over the p...

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 400m-800m performers during the 2...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Ranking the top Girls performances in Illinois for All Events taking place over the p...

Ranking the top overall Girls 1600m athletes in Illinois during the 2026 Outdoor Season.

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 400m-800m performers during the 2...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Outdo...

Highlighting the top Girls performances in Illinois for Outdoor Season competition du...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Highlighting the top Class of 2027 Girls performances for All Events in Illinois duri...

Highlighting the top Girls performances in Illinois for Outdoor Season competition du...

Ranking the top Girls performances in Illinois for All Events taking place over the p...

The best of April: a statewide roundup of the top 2027 Girls track and field marks fr...

The best of April: a statewide roundup of the top Girls track and field marks from ou...

Ranking the top overall Girls 1600m athletes in Illinois during the 2026 Outdoor Season.

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Ranking the top overall Girls 400m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 400m marks compared to their season’s best...

Ranking the top Class of 2027 Girls sprints-hurdles event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Outdo...

Highlighting the Class of 2027 top Girls performances for All Events throughout the c...

Highlighting the top Class of 2027 Girls performances for All Events in Illinois duri...

Ranking the top Class of 2027 Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 400m performers in Illinois during the 2026 Outdo...

Highlighting the top Girls performances in Illinois for Outdoor Season competition du...

Ranking the top Girls performances in Illinois for All Events taking place over the p...

Ranking the top overall Girls 1600m athletes in Illinois during the 2026 Outdoor Season.

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Combination Event Rankings: Illinois’s best Girls 800m-1600m performers during the ...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 1600m performers in Illinois during the 2026 Outd...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top overall Girls 800m athletes in Illinois during the 2026 Outdoor Seaso...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Improvement Rankings: Top Illinois Girls 800m marks compared to their season’s best...

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top Class of 2027 Girls distance event recruits in Illinois....

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Ranking the top upperclassman Girls 800m performers in Illinois during the 2026 Outdo...

Highlighting the top Class of 2027 Girls performances for All Events in Illinois duri...

Ranking the top Class of 2027 Girls 800m performers in Illinois during the 2026 Outdo...

Highlighting the Class of 2027 top Girls performances for All Events throughout the c...

Highlighting the top Girls performances in Illinois for Outdoor Season competition du...

Ranking the top Girls performers in All Events during the 2026 Indoor Season....

Highlighting the best Girls performances produced in Illinois from March 2nd - March ...

Ranking the top Girls performances for All Events achieved throughout the country dur...

Ranking the top Girls performances for All Events achieved in Illinois during the mon...

The Indoor Season is nearing its conclusion, here are the top-ranked Class of 2027 Gi...

The Indoor Season is nearing its conclusion, here are the top-ranked Class of 2027 Gi...

Ranking the top Girls Sprints, Hurdles Event performers in Illinois for the 2026 Indo...

Ranking the top Girls Distance Event performers in Illinois for the 2026 Indoor Seaso...

Ranking the top upperclassman Girls 400m performers in Illinois during the 2026 Indoo...

Check out the best Indoor performances delivered across the USA last week (February 2...

Highlighting the best performances produced state-wide from February 23rd to March 1s...

Ranking the top returning Girls performers state-wide for the 800m event....

Ranking the top returning Girls performers state-wide for the 400m event....

Ranking the top returning Girls performers state-wide for the 200m event....

Ranking the top 400m performances delivered state-wide by High School girls during th...

Check out the top rankings in the 800 Meter Run for IL....

Check out the top rankings in the 800 Meter Run for IL....

Check out the top rankings in the 400 Meter Dash for IL....

Check out the top rankings in the 400 Meter Dash for IL....

Check out the top 100 girls returners from the Class of 2027 in each sprint event....

Check out the 2025 All-City Honors girls Honorable Mentions!...

Check out the 2025 All-City Honors All-Junior girls team!...

Check out the Most Improved Girls 3-Mile Times In Illinois This Past Week: Oct. 20-26...

Check out the Fastest Girls 3-Mile Times In Illinois (Oct. 20-26)....

Check out the Most Improved Girls 3-Mile Times In Illinois This Past Week: Oct. 13-19...

Check out the Fastest Underclassmen Girls 3-Mile Times In Illinois This Season....

Ranking the top performances state-wide during cross country competition taking place...

Ranking the top performances state-wide during the 2025 cross country season....

Check out the top ranked IL girls teams for the 2025 XC season in the 5K!...

Ranking the top performances state-wide during cross country competition taking place...

Check out the most improved 3-Mile times for Illinois girls from October 6th through ...

Ranking the top athletes competing in Illinois 3A during the 2025 cross country seaso...

Ranking the top performances state-wide during cross country competition taking place...

Check out the most improved girls 3-mile times this past week in Illinois compared to...

Check out the most impressive 5K times for Illinois Junior girls from this season!...

Check out the top high school girls 3-mile times this season so far!...

Check Out the Top Girls 3-Mile Times In Illinois From This Past Week: Sept. 8-14...

Check out the top 3-mile times for IL girls this season!...

Ranking the top 100 performances this season across all events produced by members of...

IL's Best 10th Grade Girls in Every Event - May 23....

Ranking the top 100 performances this season across all events produced by members of...

Here are the top rated sophomore girls in each individual event...

Enjoy another installment of the MileSplit IL premium 100 girls...