4-week DietBet weight loss challenges

Feel better.
Find your people.
Reach your goal.

Want to lose weight and win cash? Join a fun, supportive 4-week DietBet challenge with Jenn. You bring the goal. We’ll bring the encouragement.

Weekly challenges, bonus prizes & real support

Illustration of a woman stretching, surrounded by an apple, a water bottle, walking shoes, and a heart
1M+pounds lost together
Big goals.
A community behind you.
170,000+players have
joined
1,196games hosted
$10M+in total prize
pools

Make your next move

A fresh start is waiting.

Choose a game that works for you. Late entrants are permitted until day 14. Every game includes weekly challenges, support, and bonus prize opportunities.

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$5,285Current pot
151Players

And counting…

Last updated

$200Bonus prizes
$35Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$4,100Current pot
41Players

And counting…

Last updated

$300Bonus prizes
$100Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$1,470Current pot
42Players

And counting…

Last updated

$200Bonus prizes
$35Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$1,000Current pot
10Players

And counting…

Last updated

$300Bonus prizes
$100Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$385Current pot
11Players

And counting…

Last updated

$200Bonus prizes
$35Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$600Current pot
6Players

And counting…

Last updated

$300Bonus prizes
$100Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$210Current pot
6Players

And counting…

Last updated

$200Bonus prizes
$35Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$500Current pot
5Players

And counting…

Last updated

$300Bonus prizes
$100Pledge amount
Play this game

Jenn’s DietBet game

Weekly challenges
& community support

Starts
Ends

4-week challenge · 2026

$140Current pot
4Players

And counting…

Last updated

$200Bonus prizes
$35Pledge amount
Play this game

Game winners split the game pot. Bonus prizes are in addition to the game pot. View each game on DietBet for its details and rules.

How the games work

One goal. Lots of encouragement.

01

Choose your game

Find a game on this page that fits your schedule and budget. Select “Play this game” to go straight to that game’s sign-up page on DietBet.

02

Work toward your goal

Jenn’s 4-week DietBet games set a goal of losing 4% of your starting weight. Stay supported with weekly challenges, encouragement, and accountability.

03

Win & split the pot

Meet your game’s goal and complete DietBet’s verified final weigh-in to share the pot with other winners. There are bonus prize opportunities, too.

Weekly challenge tracker with a water bottle, sneaker, fruit, and measuring tape
Your free weekly challenge guide

Small habits.
Something to build on.

Download the free 4-week Weekly Challenge Guide to track water, fitness, and nutrition habits and learn how Jenn’s weekly prize challenges work.

Download the free guide

Your host & cheering section

Hi, I’m Jenn!

I host weight loss games on DietBet. I’ve organized over 1,196 games, and more than 170,000 players have joined my challenges. Together, we’ve lost over 1 million pounds.

My games have generated over $10 million in total prize pools. Join thousands who have won real cash for losing weight, with support every step of the way.

Coach Jenn
Your next step.Find your game.Find a game