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REXTREME Badge

January 24, 2026 (Sat)

KINTEX Exhibition Hall, Ilsan

REXTREME

Join the ultimate race that challenges your limits - testing your physical strength, strategy, and mental fortitude to endure.

An indoor fitness race testing powerful strength, explosive power, and grit. Participate as an individual or in a team.

Together with The Ultimate Power,
'powerful and long-lasting' Rocket Battery that keeps you charged without fatigue.

The moment you finish, you will be stronger. REXTREME, now it's your turn to prove it.

Total Prize Money 10 Million KRW!

Open to anyone who enjoys fitness!

Winners will have the opportunity to become the new face of REXTREME!

Overview

Hybrid Fitness Race

Format

Individual

Team of 3 / Team of 4 (Mixed Relay)

Eligibility

Anyone 18 years or older

Date

January 24, 2026 (Sat)

Location

KINTEX Exhibition Hall, Ilsan

Entry Fee

Individual: 99,000 KRW

Team of 3: 180,000 KRW

Team of 4: 180,000 KRW

* Some details may change according to event operation policies.

* For prizes or winnings over 50,000 KRW, taxes are the responsibility of the recipient.

Organizer's Message

Sebang Battery
Rocket Battery

Rocket Battery Extreme Race, REXTREME

Sebang Battery has contributed to the global energy industry through continuous innovation and technology via Korea's representative battery brand 'Rocket Battery'.

Now, beyond the battery industry, we want to share with you the value of the power to take on endless challenges and overcome limits, and the energy to overcome yourself. This is why we are holding the Rocket Battery Extreme Race, REXTREME.

Rocket Battery will continue to create the power that moves the world through the connection of technology, people, and energy. We hope that through REXTREME, you all can charge your passion and gain new energy.

Join the race and receive
Rocket Battery character
'Rocket Boy' merch!

* Provided to all participants.

Reusable Bag

Reusable Bag

Sports Towel

Sports Towel

Rocket Booster Gel & Cut Coconut Cider Vinegar

Rocket Booster Gel
Cut Coconut Cider Vinegar

WEFOOT Functional Sports Socks

WEFOOT Functional Sports Socks

Rocket Boy Denim Eco Bag

Rocket Boy Denim Eco Bag

REXTREME Finisher Badge

Race Finisher Badge

Race Format

6 Extreme Stages
1 Race

Rextreme is the ultimate fitness race where

6 Extreme Stages are connected consecutively.

Each Stage symbolizes the core performance of 'Rocket Battery' - explosive power

and the longest-lasting endurance.

EXTREME 1 : START

The beginning of all races. The first test to kick-start the stamina needed for the race.

Rowing 1.5km

Category : Cardio / Endurance
1. Start

Use the designated rowing machine.

2. Execution

Damper settings can be freely adjusted by the athlete.

3. Finish

The distance on the monitor must reach exactly 1,500m. You cannot proceed if even 1m is short.

4. Note

During the race, your hips must not leave the seat and your body must not leave the machine.

EXTREME 2 : IGNITION

Engine ignition. A pure power test section showing the 'surge' of energy that breaks through limits.

One-arm DB Ground to Overhead 50 reps

Weight : Male 17.5kg / Female 9kg Reps : 50 reps (combined left/right arm, freely interchangeable)
1. Ground touch

At least one head of the dumbbell must touch the ground for each rep. (Both heads don't need to touch)

2. Overhead

When lifting the dumbbell overhead, elbows, shoulders, hips, and knees must be in full extension.

3. Movement

Both Snatch (one motion) and Clean & Jerk (through shoulder) are allowed.

4. No rep criteria

• Dumbbell comes up without touching the ground. • Arm is bent overhead, or knees/back not fully extended. • Non-lifting hand touches knee or body for assistance.

EXTREME 3 : CHARGE & DISCHARGE

Repetitive energy charging and discharging. Prove your battery's efficiency in extreme conditions.

Sandbag Shuttle Run (Carry & Sprint Mix)

Weight : 10kg Sandbag (common) Total Distance : 1 Round = 150m Rounds : Male 9 Rds (1,350m) / Female 6 Rds (900m)
1. Charge (Carry)

Carry the sandbag from Line A to Line B (25m) → [Put down sandbag]

2. Discharge (Sprint)

Sprint without sandbag B → A → B return (50m)

3. Charge (Carry)

Pick up sandbag at Line B and carry to Line A (25m) → [Put down sandbag]

4. Discharge (Sprint)

Sprint without sandbag A → B → A return (50m) >>>> Complete this to finish 1 Round

EXTREME 4 : POWER DRIVE

The heart of the race. Rextreme's signature section pushing cardio and strength to their limits.

Medicine Ball Over & Half Burpee

Weight : Male 20kg / Female 16kg Flow : Male: (Ball Over 2 reps + Half Burpee 1 rep) = 1 Rep (50 total) Female: (Ball Over 1 rep + Half Burpee 1 rep) = 1 Rep (50 total)
1. Medicine Ball Over (Shoulder)

• Lift the ball from the ground and throw it over your shoulder. • The ball must pass the shoulder line and fall behind your back. (Body must be extended when throwing)

2. Half Burpee

• Perform half burpee immediately after throwing the ball. • Two lines are marked 1m apart on the floor. • Hands: Must touch outside one line. • Feet: Must extend beyond the other line. • Bring feet back to hands and stand up. (No jump or clap required)

3. NO REP criteria

• Rolling the ball sideways over the shoulder. • Hands or feet don't cross the lines during half burpee.

EXTREME 5 : ENDURANCE

The last 1% of endurance. Prove your 'long-lasting' battery's performance with a body pushed to its limits.

SkiErg 2km

Category: Cardio / Mental Toughness
1. Execution

Stand on the SkiErg platform and grip the handles. Damper settings can be freely adjusted by the athlete.

2. Form

No special technical restrictions, but be careful not to step off the platform.

3. Finish

The distance on the monitor must reach 2,000m to finish.

EXTREME 6 : BOOST

Last Explosion. The finish line where you launch all remaining energy like a rocket.

Burpee Box Jump 30 reps

Box Height: 20 inch
1. Burpee

Chest and thighs must touch the ground. (Chest to Floor)

2. Form

• Must use 'Two-foot Jump' when getting on the box. • Step-up prohibited: Walking up one foot at a time is a No Rep.

3. Finish

Both jumping down and stepping down are allowed. (Step down recommended for injury prevention)

Final Race

The final round where only top athletes and teams selected through record competition can participate.

The final 1st-3rd place will be determined through the final race, and all finalists will receive the REXTREME Flag.

Individual

Top 10 Male Individual

Top 10 Female Individual

Team

Top 5 Mixed Teams (4 members)

Top 10 Male Teams (3 members)

Top 10 Female Teams (3 members)

FINAL RACE from the existing race format,

some stages difficulty will be increased as follows.

EXTREME 3. Sandbag Shuttle Run

Male: 12 rounds | Female: 9 rounds

EXTREME 4. Medicine Ball Over & Half Burpee

Medicine ball weight increase (Male: 25kg | Female: 20kg)

EXTREME 6. Burpee Box Jump

Box height: Increased to 24 inches

REXTREME Timetable

08:00

Opening

08:30 - 14:00

Individual Race

Male Individual

Female Individual

(12:50 Last wave for Individual)

14:20 - 15:20

Individual Final Race

Top 10 Male Individual

Top 10 Female Individual

15:30 - 18:30

Team Race

Mixed (4 members)

Male Team (3 members)

Female Team (3 members)

(17:30 Last wave for Team)

18:40 - 19:40

Team Final Race

Top 5 Mixed Teams (4 members)

Top 10 Male Teams (3 members)

Top 10 Female Teams (3 members)

20:00

Event Ends

Brand Hall

ROCKET

Rocket Battery, which has maintained the No. 1 position in Korea's automotive battery market, has established itself as Korea's representative battery brand based on 70 years of accumulated technology and quality trust since its founding in 1952.

Through continuous R&D and innovation, the company has expanded its scope to various fields including industrial, golf carts, ships, and ESS as well as automobiles, and its quality is recognized in the global market.

Rocket Brand Story
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Organizer / Host

Sebang Group
Sebang
Rocket Brand

기획 및 운영

Fitculator
DPL

Partners

Monster Energy
Amazfit
Amino Regen
Onerm
Chamelo
Haru Poke
Xpodium
Lotte Wellfood
Wefoot
Jeleve
Chiki
Mountia
REXTREME - Rocket Battery Extreme Race