Sean Marquardt

CSHS XC TF 22 GVSU XC TF 26

[Sandburg Athletics @EaglesAthletics]

Wow! Grant finishes 6th overall and Trent finishes 17th! Both All-Staters! #EaglesFLY @SandburgCC

[Sean Marquardt @SeanMXCTF]

@DeclanTunney1 @BrockRice8 @EaglesAthletics @SandburgCC @DSmithCSHS @SandburgHS ^

[SandburgCC @SandburgCC]

Some Sandburg legends meeting up at collegiate races this weekend. Brock Rice(Bradley), Griffin Lehnhardt (DePaul, 24:58), Ismail Tineh(Bradley) in Peoria and Declan Tunney(Mizzou), Ben and Will Giblin (Illinois) a hair over 26 in Terre Haute.

[Jay Johnson @coachjayjohnson]

"The most powerful thing you can do as an athlete is to get a degree in self-awareness."

Sage advice from @SandburgCC 's John O'Malley.

...and yes, this is part of the Mental Skills for HS Runners course...

More videos from the course are at the link in the bio.

[SandburgCC @SandburgCC]

NCAA 10k CHAMPION!!!!!!!

[MileSplit Heartland @MSHeartland_]

The 3A 4x800 championship was nothing to play with as usual. Check out the feature story ➡️https://t.co/g9EyGv84CZ #BTFState22

[Illinois HS XC/TF @ILXCTF]

Sandburg continues their tradition of running great state 4x8's with another state championship
https://t.co/z6pxC7qbHh

[SandburgCC @SandburgCC]

State 4x800 Champions
Marquardt-Tunney-Anderson-Rice

[SandburgCC @SandburgCC]

State 4x800 Champions
Marquardt-Tunney-Anderson-Rice

[Tony Holler @pntrack]

They did it again, 4x8 State Champions. ⁦@SandburgCC⁩

[Sean Marquardt @SeanMXCTF]

@BrockRice15 😰

[SandburgCC @SandburgCC]

8:02>>7:42

[SandburgCC @SandburgCC]

So proud of these guys. They’re such amazing human beings. The following universities are so lucky:
Declan Tunney-Mizzou
Sean Marquardt—GVSU
Brock Rice—Bradley
Jonathan Vales—SXU

[SandburgCC @SandburgCC]

Declan Tunney with the 3200 win in a smokin 9:07 and Sean Marquardt with a phenomenal 9:34.

[GVSU XCTF @GVSUXCTF]

SIGNED!! Sean Marquardt
Placed 20th at the 2021 IHSA Class 3A XC Championships 3 mile - PR - 14:48.4.
5k PR - 15:53.3

Finished 1st at the 2021 H-F v. Sandburg meet with a PR 4:43.55 - 1600m
3200m PR - 10:07.09
2 Mile PR - 9:49.17 (2022 Indoor Season)

#AnchorUp

[Sean Marquardt @SeanMXCTF]

Officially a Laker⚓️🌊 @SandburgCC -> @GVSUXCTF

[SandburgCC @SandburgCC]

4x800 runs a strong opening of 8:08 for 2nd place. Marquardt-Tunney-Tineh-Anderson

[Sandburg Athletics @EaglesAthletics]

Ran into a few of our best and brightest and fastest! Thanks for the inspiration to help finish this cold run! As you can tell by my face- I needed every bit of it 😂#WeInspire @SandburgCC @SandburgTrack

[Declan Tunney @DeclanTunney1]

So excited to join the Tiger family🐯
-
-
I will be attending the University of Missouri to continue my athletic and academic journey. Thank you to everyone that made this possible. See you in Columbia. Go tigers‼️#tigertough

[SandburgCC @SandburgCC]

We wrap up ranked #4 in the United States https://t.co/29nckwVSiz