Mary Seifert

Ranking the top Class of 2027 Girls 3200m performers in Colorado during the 2026 Outd...

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

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

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

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

See which girls set new personal records in this past week!...

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

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

Ranking the top overall Girls 3200m athletes in Colorado during the 2026 Outdoor Season.

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

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

Combination Event Rankings: Colorado’s best Girls 1600m-3200m performers during the...

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

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

Ranking the top upperclassman Girls 3200m performers in Colorado during the 2026 Outd...

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

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

Ranking the top Class of 2027 Girls 3200m performers in Colorado during the 2026 Outd...

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

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

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

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

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

A break down of the entries for Mondays Huskie Twilight (meet moved to 4/20)...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

Highlighting the top Class of 2027 Girls recruits throughout the country for the Dist...

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

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

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

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

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

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

Highlighting the top Class of 2027 Girls performers in Colorado for the Distance Even...

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

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

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

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

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

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

Highlighting the top Girls performers in 2024-26 5A for All Events during the 2026 Ou...

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

Showcasing the top Girls performances for All Events in Colorado during Outdoor Seaso...

Showcasing the best Colorado Girls performances achieved in All Events last week by a...

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

Ranking the top Class of 2027 Girls 1600m performers across the country during the 20...

Ranking the top Class of 2027 Girls 800m performers across the country during the 202...

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

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

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

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

A break down of the entries for Saturdays Altitude Invite...

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

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

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

Ranking the top Girls performances for All Events in Colorado during the month of March.

Ranking the top Girls 1600m performers in Colorado during the 2026 Outdoor Season....

Ranking the top Girls 800m performers in Colorado during the 2026 Outdoor Season....

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

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

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

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

Ranking the top Girls performances for All Events in Colorado during Outdoor Season c...

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

Ranking the top Girls 1600m performers in Colorado during the 2026 Outdoor Season....

Ranking the top Girls 800m performers in Colorado during the 2026 Outdoor Season....

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

A break down of the entries for Saturdays Niwot Invitational...

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

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

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

Highlighting the top ranked junior Girls in Colorado for All Events during the 2026 O...

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

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

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

Ranking the top Girls athletes for All Events in the Denver Metro during the 2026 Out...

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

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

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

Highlighting the Class of 2027 top ranked Girls 1600m performers across the country f...

Highlighting the top ranked Girls 1600m performers in Colorado for the 2026 Outdoor S...

Colorado Rankings: Highlighting the top Girls performers for All Events in Douglas Co...

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

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

A break down of the entries for Saturdays ThunderRidge Invitational...

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

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

A break down of the entries for Saturdays Continental League Early Bird...

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

Ranking the top Girls 1600m returners for 2024-26 5A ahead of the Outdoor Season....

Ranking the top Girls 800m returners for 2024-26 5A ahead of the Outdoor Season....

Ranking the top returning Girls athletes in the Denver Metro area for the 2026 Outdoo...

Ranking the top returning Girls performers state-wide for the 1500m event....

Ranking the top returning Girls performers state-wide for the 1600m event....

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

Ranking the top 1600m performances delivered state-wide by High School Girls during t...

A look at the returning athletes positioned to shape this year’s outdoor season....

A look at the returning athletes positioned to shape this year’s outdoor season....

A look at where the Indoor Girls Colorado Junior Class Rankings stand entering Saturd...

Ranking the top 1600m performances delivered by Colorado-based junior girls during th...

Ranking the top girls Grade 11-12 combined classes in Colorado for the 2026 Indoor Tr...

Ranking the top girls Grade 9-10 combined classes in Colorado for the 2026 Indoor Tra...

Check out the top rankings in the 1500m for CO....

Check out the top rankings in the 1600 Meter Run for CO....

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

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

Top Returning Colorado Junior Girls For Indoor T&F in 2026...

Check out the Top Returning Colorado 1A Girls For Indoor T&F in 2026....

Here are the preseason rankings for the 2026 indoor season on the girls' side!...

Discover the top high school cross country runners in Colorado with the 2025 MileSpli...

Discover the top junior girls in Colorado with the 2025 MileSplit All-State Honors. S...

Discover the second-team girls in Colorado with the 2025 MileSplit All-State Honors. ...

Wayzata's Maddie Gullickson (MN) ran the 33rd fastest girls 5K this season en route t...

With a week until the Brooks XC Regional Championships, check out the final Midwest R...

Discover the top high school cross-country runners in Denver with the 2025 MileSplit ...

Discover the top high school cross-country runners in Denver with the 2025 MileSplit ...

Here are the top returners on the girls' side for NXR Southwest!...

Midwest XC heats up with MI, IN, CO, OH, KS, WI, ND stars. Dudek leads Michigan; Schw...

Dudek leads MI, while IN, CO, OH, KS, WI, and ND deliver depth and rising stars, maki...

Check Out The Fastest Junior Girls 5K Times In Colorado XC State Championships...

Check Out The Fastest Girls 5K Times In Colorado XC State Championships...

Jonesboro's (AR) Lauren Thompson ran the 17th fastest 5K by a junior this season at t...

Here are the top performances at the state meet on the girls' side!...

Check out which girls improved the most from last season's Colorado State Championshi...

Natasza Dudek leads MI at 16:09, with top Midwest girls from CO, OH, IN, KS, and WI s...

Check out the Fastest Girls 5K Times In Colorado 5A Region 2 So Far This Season...

Here is the state meet preview on the girls' side for Class 5A with exciting races fo...

Michigan has the top three runners in the first edition of the Brooks XC Midwest Regi...

After some strong performances at the regional meets this week, here are the biggest ...

Here are the best results from this past week from the regional championship meets!...

Check out the fastest time in all of Colorado for the girls in the 5k!...

A break down of the entries for Thursdays Colorado 5A Region 2...

Check out the Most Impressive Girls 5K Times In Denver So Far This Season: Oct. 20....

Here are the top results from the past week for the girls as we enter into the Region...

Check out the top 200 girls teams in the country so far this cross country season....

Here are the top 100 times in Class 5A so far this season on the girls' side!...

A break down of the entries for Wednesdays Continental League Championships...

Check out the Fastest Girls 5K Times In Colorado This Season....

Check out the Fastest Girls 5K Times In Colorado 5A This Season....

Check out how much some of the country's fastest boys 5K runners have improved since ...

Check out the fastest girls 5k times across the nation this past week in high school ...

After a fast weekend, the rankings have shifted! Check out the top 100 times so far i...

Here are the top 100 girls in the class of 2027 so far this season!...

Check out the Top Girls 5K Times This Past Week in Colorado: Aug. 17-23....

Here are the top 100 returning girls in Class 5A for the 2025 XC season!...

Chamorra Cooper of Air Academy High School is one of the highlights of this impressiv...

Here are the top 50 sophomore girls in every event from the 2025 Nike Outdoor Nationa...

Discover the top high school track & field athletes in Colorado with the 2025 MileSpl...

Discover the top high school track and field athletes in Colorado with the 2025 MileS...

Discover the top high school track & field athletes in Colorado with the 2025 MileSpl...

Here are the results of the final day at the Nike Outdoor National Championships!...

Take a look at how Colorado will be represented at Hayward Field on the girls' side!...

Discover the top high school track and field athletes in Denver with the 2025 MileSpl...

Discover the top high school track and field athletes in Denver with the 2025 MileSpl...

Discover the top high school track and field athletes in Denver with the 2025 MileSpl...

Discover the top high school track and field athletes in Denver with the 2025 MileSpl...

Ranking the state’s top performances across all events during competition taking pl...

Take a look at CO's most improved girls in the 800m from 2024 to 2025....

Take a look at CO's most improved girls in the 1600m from 2024 to 2025....

The 2025 season has been a historic one for milers from coast to coast. Here are the ...

Check out the Top 100 CO Girls from Last Week (May 5–May 11)...

Check out the top 100 girls in each event in Class 5A!...

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

The Top 100 Girls in the Denver Area Ranked in Every Event - May 7....

A break down of the entries for Fridays Windjammer Track Classic...

With the second weekend of May on deck, here are the top girl improvers so far this s...

Here are the top 100 results on the girls' side from this past week!...

Check out the Top 100 CO Girls in every event from Last Month!...

A break down of the entries for Thursdays Continental League Championship...

The Colorado state meet is only three weeks away! Take a look at the top 100 in each ...

Check out the Midwest Region's top performing girls in the Class of 2027 so far this ...

Here are the top 100 results in each event from the results of this past week!...

The sophomores are really stepping up this season! Take a look at the top 100 in each...

A look at some of the most impressive girls' performances from the Denver metro area ...

A break down of the entries for Fridays Longmont Invitational...

A break down of the entries for Wednesday's Continental League FR/SO Championships 20...

A full breakdown of the top 100 girls from the Denver, Aurora, and Lakewood area rank...

Check out the top 100 returning GIRLS for the 2025 Colorado high school track and fie...

The girls' race at this year's Foot Locker Midwest (FLMW) Regional showcases an incre...

The Vanguard's Nadhia Campos is the No. 12 returner across all classifications....

Mia Williams is the No. 3 returner in the 800 across all classifications....

Heritage's Emry Schwalm is the No. 15 returner based on time....