Added to Roster
Gretchen has been added to the Sunnyslope 2020 swimming roster.Gretchen has been added to the Sunnyslope 2020 swimming roster.Apps
MaxPrepsFollow your favorite high school teams and players
MP Stats for iPadStat keeping for basketball teams
Pro Photography
Watch
Video CenterSee top plays & highlights of the best high school sports
Live Streams & ReplaysGet access to live game streams and full replays for 8000+ schools
Content Contributors
Tickets
Gretchen Kellner
- Gretchen has been added to the Sunnyslope 2020 swimming roster.
Added to Roster
Gretchen has been added to the Sunnyslope 2020 swimming roster.Added to Roster
Gretchen has been added to the Sunnyslope 2020 swimming roster.Added to Roster
Gretchen has been added to the Sunnyslope 2019 swimming roster.Added to Roster
Gretchen has been added to the Sunnyslope 2018 swimming roster.Added to Roster
Gretchen has been added to the Sunnyslope 2018 softball roster.Added to Roster
Gretchen has been added to the Sunnyslope 2017 swimming roster.
Gretchen Kellner's Bio
View Full Bio
Sunnyslope High School 
© 2026 MaxPreps, Inc.
MaxPreps is a registered trademark of MaxPreps, Inc.