Matty Maggiacomo is back with one of his most popular annual challenges: “Core Everyday in May.” Now in its latest iteration, the challenge features 10 minutes of core work every single day for the 31 days of May, with a different class assigned for each day.
Matty shared the 2026 version on Instagram, with caption:
“EVERYDAY IN MAY. 10 minutes of core per day for 31 days! Let’s goooo! Screenshot the story frames to keep your schedule and tag in the comments or send to a friend.”
In a video accompanying the announcement, Matty walks through how the challenge works.
He notes the schedule features classes starting from May 1st, mixing up the difficulty and class type each day. The 31 classes span Core Strength, Standing Core, Barre Core, Beginner Core Strength, Yoga Conditioning Core, and even a “2000s” themed Core Strength class, with difficulty ratings ranging from 5.1 up to 8.4 across the month.
Matty also encourages members to send the schedule to a friend to do the challenge together.
For 2026, here is the full schedule of classes for Matty’s Core Everyday in May challenge:
| Day | Instructor | Class Type | Aired | Difficulty |
|---|---|---|---|---|
| Friday May 1 | Emma Lovewell | Beginner Core Strength | 7/30/25 | 5.1 |
| Saturday May 2 | Matty Maggiacomo | Beginner Standing Core | 7/28/22 | 5.2 |
| Sunday May 3 | Hannah Corbin | Barre Core | 10/18/24 | 6.3 |
| Monday May 4 | Rebecca Kennedy | Standing Core Strength | 4/7/26 | 5.9 |
| Tuesday May 5 | Jermaine Johnson | Core Strength | 4/7/26 | 6.1 |
| Wednesday May 6 | Kirra Michel | Yoga Conditioning Core | 3/4/25 | 6.6 |
| Thursday May 7 | Joslyn Thompson Rule | Core Strength | 2/22/26 | 6.4 |
| Friday May 8 | Logan Aldridge | Core Strength | 3/22/26 | 6.7 |
| Saturday May 9 | Zacharias Niedzwiecki | Core Strength | 1/31/26 | 6.6 |
| Sunday May 10 | Katie Wang | Core Strength | 2/13/26 | 6.6 |
| Monday May 11 | Jermaine Johnson | Core Strength | 11/1/24 | 6.5 |
| Tuesday May 12 | Selena Samuela | Core Strength | 4/28/25 | 6.5 |
| Wednesday May 13 | Andy Speer | Core Strength | 1/8/26 | 6.7 |
| Thursday May 14 | Ben Alldis | Core Strength | 6/8/25 | 6.7 |
| Friday May 15 | Katie Wang | 2000s Core Strength | 8/4/25 | 6.9 |
| Saturday May 16 | Jess Sims | Core Strength | 1/30/25 | 6.7 |
| Sunday May 17 | Erik Jäger | Core Strength | 8/17/23 | 7.1 |
| Monday May 18 | Ally Love | Barre Core | 11/11/25 | 6.8 |
| Tuesday May 19 | Robin Arzón | Core Strength | 12/1/25 | 7.1 |
| Wednesday May 20 | Olivia Amato | Core Strength | 9/8/24 | 7.1 |
| Thursday May 21 | Matty Maggiacomo | Core Strength | 4/2/26 | 7.2 |
| Friday May 22 | Emma Lovewell | Core Strength | 3/24/26 | 7.2 |
| Saturday May 23 | Callie Gullickson | Core Strength | 7/11/25 | 7.3 |
| Sunday May 24 | Rad Lopez | Core Strength | 12/20/25 | 7.7 |
| Monday May 25 | Mariana Fernández | Yoga Conditioning Core | 8/16/23 | 7.3 |
| Tuesday May 26 | Matty Maggiacomo | Core Strength | 5/25/25 | 7.5 |
| Wednesday May 27 | Tunde Oyeneyin | Core Strength | 4/19/26 | 7.6 |
| Thursday May 28 | Olivia Amato | Core Strength | 6/9/25 | 7.6 |
| Friday May 29 | Rebecca Kennedy | Core Strength | 10/30/25 | 7.7 |
| Saturday May 30 | Jess Sims | Core Strength | 11/29/23 | 7.8 |
| Sunday May 31 | Tunde Oyeneyin | Core Strength | 3/8/25 | 8.4 |
The challenge ramps up gradually in difficulty over the month, starting with a 5.1 difficulty Beginner Core Strength class on May 1 and finishing with an 8.4 difficulty class on May 31, the highest difficulty class in the lineup.
Matty also provided a scorecard to note your progress.
Note that this is an unofficial challenge, so there is nothing to opt into or join on the Peloton platform.
Will you be taking part in Matty’s Core Everyday in May challenge this year?
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