Blog "Jumpstart" Challenge

Lose 4% in 4 weeks!

Blog "Jumpstart" Challenge

Apr 29 - May 26/Game has ended
Join another game







Apr 29



Join Jessica of InTruBeauty & Justina's Gems on our Jumpstart Challenge!



Game Begins

Apr 29

Last Day to Join

May 12

Final Weigh-In

May 27 - May 28


Bet $5

to start

Lose 4%

in 4 weeks


Split the pot

How do you verify the weight loss?

For all official weigh-ins, you'll be prompted to submit your official starting weight. Our standard weigh-in process involves you submitting 2 photos: one of you standing on a scale in lightweight clothing (no shoes, hats, belts, watches, coats, or outerwear), and another of the scale’s readout with your weigh-in word written on a piece of paper.

What you'll need

  • A scale (preferably digital)
  • A digital camera or smartphone
  • A full-length mirror or someone to take your photo
  1. Privacy FAQ +
  2. How we prevent cheating +

Does this actually work?

Out of 864,306 DietBetters, 98.69% have lost weight during their challenges. Combined, they've lost 15,528,665 lbs and won $62,263,235. In other words...yes.

All results shown on DietBet are from actual users. Individual results may vary.

Don't take our word for it

Jessica T.

05/28/2013 8:45AM
Way to go everyone! I've lost about 7 pounds total in 6 weeks and am feeling great! I'm proud of everyone and our 60 pound group loss so far! Amazing!

Jessica T.

05/12/2013 4:15PM
Jumpstart to skinny not fitness lol

Jessica T.

05/12/2013 4:15PM
I just bought Bob Harpers Jumpstart to fitness. I don't think I can be that hardcore or disciplined for even 3 weeks but I'm taking what works for me from it. I also ordered a Paleo cookbook and did some foam roller allignment exercises today and some of Bob Harpers kettlebells and elastic exercise band workouts. I didn't get too far!!! 1/2 way through our diet bet. Keep up the great work everyone! !!


05/10/2013 3:01AM
Keep it up losing the lbs people!!! This is fun!!


05/30/2013 12:00AM
Have ideas on how to improve DietBet? We love to hear your feedback. Please fill out our short survey and give it to us straight. We are listening!


05/29/2013 12:05AM
Your game has now been finalized. Congratulations to the winners! You will be notified by email if you are a winner and the $27.63 will be deposited as credits into your account. They can be used for a new game or you can request a PayPal payout. Payouts process within 24 hours.

As promised, here are the top player titles. Drum roll, please…

- Most Liked Player: Nicolette M.
- Most Generous Liker: justina g.
- Most Liked Comment: "hey peeps, I just joined and am ready for a challenge! Are you guys doing the bob harper diet or yall using your own method? love to hear from ya." by emtkam


05/26/2013 12:00AM
Get ready for the final weigh in! Once the game ends tonight (May 26) at midnight PST, you have until 11:59PM PST on May 28 to submit your final weight. If you're a winner, you'll be asked to submit photos and will get a new weigh-in word when you visit the weigh-in screens. Submit early to make sure your photos are accepted. Remember - don't eat that cupcake until you get an email that your photos are approved! And don't forget to check your spam folder. You must have an approved weigh-in in order to be declared a winner.

Once all weigh ins are submitted, the game will finalize 24-36 hours after that. Good luck!


05/19/2013 6:00AM
Want to keep up the momentum?
Encourage your organizer, Jessica T. , to create a new game by clicking "like" on this post! She can create a new game and invite all of you.


05/14/2013 12:00AM
Most of us spend a significant portion of our day at the office so who better to get in shape with than coworkers? Set up a DietBet at your company and we'll cover your bet. User promo code DIETBETATWORK when setting up the game. Or, send your HR manager's name to and we'll set it up with them!


05/10/2013 12:00AM
Have you received encouragement in your DietBet from your friends, family, or co-workers? Time to pass it on! Today we call on all players to leave a cheer on fellow players' cheerboard. Try it with strangers! It'll be a karmic blizzard!

Ready to bet on yourself?