2026 Winter Flag Football - Atherton
Welcome to the 7th season of Next Level Flag Football in Atherton at Menlo-Atherton High School and Sacred Heart Prep! We are excited to keep things rolling with Coaches Mark Grieb, Chris Saunders, Luis Valdez, and the staff at Menlo-Atherton and Sacred Heart.
Priority Registration opens for all returning participants from the 2025 Winter Flag Football Season in Atherton on Tuesday, April 1st at 9:00 AM PDT!
General Registration opens for all participants on Tuesday, April 1st at 9:00 AM PDT!
For more information and a general overview of our specific Next Level Flag Football locations in Atherton, please review the information below prior to registration!
League Operations
- Season Operations: The Next Level Flag Football season in Atherton will run with 9 program dates over the program schedule.
- Game Dates: Games will be played on Sundays – please review the schedule below.
- Team Roster Size: Teams are comprised of 12 players maximum (15 for 7th/8th Grade), limited exceptions on a case-by-case basis.
- Season Fees: $325.00 - Fees are inclusive of a participant's custom jersey, shorts, use of flags, and other equipment/offerings.
- Uniform Delivery: All season uniforms will be shipped to a participant's home (or provided shipping address). Delivery will occur via USPS and a valid USPS delivery location is required. Participants must keep their shipping addresses up to date for proper delivery. Replacement uniforms will be at the cost of the participant should inaccurate addresses be provided at the time of production.
- Player Packs - Optional Purchases: During the registration process, you will have the opportunity to purchase any of our five (5) additional Next Level Flag Football Player Packs. These are optional purchases to go along with your program registration fees. Player Pack items will be added to your base league fees (which include the cost of your participant’s uniform) at checkout. All Player Pack merchandise will be shipped directly to your home along with your participant’s season uniform - unless otherwise communicated from our team. Sizing verifications (where applicable) will be sent out via email as your uniform heads into production!
- Receiver Gloves - $40.00: Nike Vapor Jet Receiver Gloves.
- Base Player Pack - $45.00: Nike Long Sleeve Dri-Fit featuring our Player Logo (front) and participant’s last name (back).
- Pro Player Pack - $60.00: Nike Hoodie featuring our Player Logo (front) and participant’s last name (back).
- Performance Pack - $65.00: One pair of 3/4 Compression Tights (white), one Compression Shirt (white).
- Baller Player Pack - $190.00: ALL OF THE ABOVE - Receive Gloves, Base Pack, Pro Pack, and Performance Pack all in one! Get DIALED IN…
Practice & Game Times
Menlo-Atherton High School
- Kindergarten - 8:30 AM Practice/9:00 AM Game
- 1st Grade - 9:00 AM Practice/10:00 AM Game
- 2nd Grade - 10:00 AM Practice/11:00 AM Game
- 3rd Grade - 11:00 AM Practice/12:00 PM Game
- 7th/8th Grade - 12:00 PM Practice/1:00 PM Game OR 1:00 PM Practice/2:00 PM Game (Schedules rotate weekly.)
Please see here for facility information.
Sacred Heart Prep
- 4th Grade - 12:00 PM Practice/1:00 PM Game
- 5th Grade - 1:00 PM Practice/2:00 PM Game
- 6th Grade - 2:00 PM Practice/3:00 PM Game
Please see here for facility information.
Schedule may be subject to change.
Game Schedule
| Week 1 | Sunday, January 11th |
| Week 2 | Sunday, January 18th |
| Week 3 | Sunday, January 25th |
| Week 4 | Sunday, February 1st |
| Week 5 | Sunday, February 8th |
| Week 6 | Sunday, February 15th |
| OFF | Sunday, February 22nd (NO ACTIVITY) |
| Week 7 | Sunday, March 1st |
| Week 8 | Sunday, March 8th (Playoffs) |
| Week 9 | Sunday, March 15th (Championship Weekend) |
NO ACTIVITY will take place on Sunday, February 22nd.
All teams will play games through the entire 9 week program schedule regardless of their seeding in the Playoff Weeks. Schedule above may be subject to change.
General Program Operation and Additional Information
Review the general program operations, program information and philosophies of the Next Level Flag Football program - CLICK HERE TO REVIEW
Site Director: Mark Grieb (Sacred Heart), Luis Valdez & Chris Saunders (Atherton)
Mark Grieb is the head football coach and a science teacher at Sacred Heart Prep, Atherton. The former record-setting quarterback for the San Jose Sabercats of the Arena Football League (2000-2012) still loves to teach the passing game, whether it's in his role as the Head Coach of the varsity or as an assistant coach with the 8th-grade girls flag football team.