I believe it is about 30 min each way. Already a 5 hour drive for me, then some time at the show. May just be a really long day and some BSing in a hotel parking lot.
Might be even a little longer than that depending on where you're coming from.
Shared route
From Stillwater to Lakeville via I-494 S and I-35E S.
49 min (46 mi)
49 min in current traffic
Avoiding tolls
1. Head west on Myrtle St W toward 4th St N
2. Turn left onto Owens St S
3. Turn right onto Olive St W
4. Turn right onto the MN-36 W ramp
5. Merge onto MN-36 W
6. Take the I-694 S exit
7. Keep left to continue on I-494 W
8. Take exit 70 for I-35E S toward Albert Lea
9. Keep left at the fork, follow signs for I-35E S/Albert Lea
10. Merge onto I-35 S
11. Take exit 85 for County Rd 50/County Rd 5
12. Turn left onto Kenwood Trail
13. At the traffic circle, take the 2nd exit and stay on Kenwood Trail
14. Exit the traffic circle onto Kenwood Trail
15. At the traffic circle, take the 1st exit onto Holyoke Ave
16. Exit the traffic circle onto Holyoke Ave
17. Turn left onto 207th St W
18. Arrive at location: Lakeville
For the best route in current traffic visit
Google Maps