DeadFish Endurance Swim 2025
- Date Sun 14th December 2025 - Wed 31st December 2025
- Location Virtual Event
- Price Free
- Races 2 races
- Distances 10km, 5km
Event summary
Dive into an extraordinary experience at the DeadFish Endurance Swim 2025, taking place from December 15 to December 31, 2025, in Milpitas, Santa Clara. This virtual swimming event invites participants from around the globe to take on exciting distances of 5km, 10km, and 15km, all while swimming for a meaningful cause: raising funds for underprivileged children in Vietnam. Whether you are an intermediate swimmer looking to test your stamina in the 5km category or an elite swimmer ready to conquer the 15km challenge, this event promises to inspire and uplift as you join a vibrant community dedicated to making a positive impact.
Mark your calendars and prepare to swim anywhere in the world, whether it’s in a pool, lake, river, or ocean! With registration free and the ability to choose your own swim day within the event window, the DeadFish Endurance Swim offers flexibility and excitement for swimmers of all skill levels. Not only will you receive a personalized E-Bib and E-Certificate upon completion, but your participation also helps create brighter futures for children in need. Together, let’s make a splash and show the world the power of compassion in motion!
Mark your calendars and prepare to swim anywhere in the world, whether it’s in a pool, lake, river, or ocean! With registration free and the ability to choose your own swim day within the event window, the DeadFish Endurance Swim offers flexibility and excitement for swimmers of all skill levels. Not only will you receive a personalized E-Bib and E-Certificate upon completion, but your participation also helps create brighter futures for children in need. Together, let’s make a splash and show the world the power of compassion in motion!
Organiser's Description
WELCOME MESSAGE
Welcome to the DeadFish Endurance Swim 2025!
Get ready to dive into purpose and passion! From December 15 to December 31, swimmers from around the world will unite to take on the 5km, 10km, and 15km virtual endurance swims wherever they are.
This year, we swim for a cause that truly matters raising funds to support poor children in Vietnam. Every stroke, every kilometer, every act of kindness helps create brighter futures.
Whether youre swimming, donating, volunteering, or spreading the word every act counts. Together, our global DeadFish community and our amazing swim clubs especially across Vietnam are making waves for good.
Lets swim far, lift lives, and show the world what compassion in motion looks like.
#DEADFISHENDURANCESWIM #SWIMFORGOOD #TOGETHERWEMAKEWAVES #VIETNAM #VIRTUALSWIM
MARK YOUR CALENDARS: DECEMBER 1531, 2025.
Together, we swim for endurance. Together, we swim for life.
EVENT OVERVIEW
* Registration: Free to participate
* Categories
* 5KM Category: An exciting challenge for intermediate swimmers aiming to test and strengthen their stamina.
* 10KM Category (DF Distance): The signature DeadFish distanceideal for seasoned swimmers looking to push their endurance further.
* 15KM Category: A true test of resilience and determination, designed for elite swimmers ready to conquer their limits.
* Swim Date
* December 15 31, 2025
Participants may choose any single day within this period to complete their swim.
* Location
* Swim anywhere in the worldin pools, lakes, rivers, or oceans.
All participants must complete their chosen distance in one continuous effort.
DONATION
Swim with purpose every stroke makes a difference.
Join us in supporting children in remote areas of Vietnam who are most in need.
Your swim, your effort, and your kindness help bring hope, education, and brighter futures to these children.
Every act counts whether its swimming, donating, or spreading the word.
SPONSORS & DONORS
We welcome sponsors and donors from around the world to join hands with us.
Your support helps us create a more meaningful experience for swimmers and a brighter future for children in need.
We are seeking sponsors and donors who can:
Support us in providing finisher shirts or swim caps for participants.
Contribute donations to help children in remote areas of Vietnam access better living conditions and education.
Together, we swim for kindness every contribution counts.
PARTICIPANTS WILL RECEIVE
* E-Bib: Personalized with your name and bib number, ready to share on social media or print.
* E-Certificate: Awarded upon successful completion of your chosen swim distance.
* Special Gifts: Stay tuned for exclusive items and surprises from our generous sponsors!
Celebrate your swim, your effort, and your impact!
GUIDELINES AND REGULATIONS FOR PARTICIPANTS
GUIDELINES AND REGULATIONS FOR PARTICIPANTS
male sign EVENT REGULATIONS
Each participant must complete the challenge in one uninterrupted attempt.
Participants may register for only one category: 5km, 10km, or 15km.
Swim gear: Fins and paddles are optional but not recommended if you want to push your endurance limits.
Wetsuits are recommended when the water temperature is below 76^0F (24^0C), for both pool and open water swims.
Bright swim buoy is required for open water swimming for safety and visibility.
All participants must sign a consent waiver and swim at their own risk.
Participants aged 14 and under must have a waiver signed by a parent or guardian.
Adhere strictly to your registered distance category to maintain fairness and the competitive spirit.
For safety, please check in via RunSignUp or notify your club leader/organizer before starting your swim.
stopwatch CUT-OFFS, EVENT FINISH, TIMING, AND RESULTS
EVENT CUT-OFF TIMES
5KM Category: 3.5 hours (from entering the water)
10KM Category: 7 hours
15KM Category: 10.5 hours
Example:
If you start swimming at 12:00 PM, you must finish by:
3:30 PM for 5KM
7:00 PM for 10KM
10:30 PM for 15KM
THE IMPORTANCE OF CUT-OFF TIMES
Cut-off times ensure:
A safe and organized event schedule.
Swimmer safety, preventing exhaustion in long-distance and open-water swims.
Accurate timing and efficient event management by club leaders.
EVENT FINISH AND TIMING CLASSIFICATIONS
DNS (Did Not Start): Registered but did not start.
DNF (Did Not Finish): Started but did not finish.
NC (Not Classified): Finished but exceeded the cut-off time.
RESULTS SUBMISSION
Results accepted: December 15 January 2 (challenge ends December 31, 2024).
Ensure your swim results are public on Strava.
Join the DeadFish Strava Group (link to be updated).
Team leaders will verify results before submitting to RunSignUp.
Independent swimmers may submit results directly to RunSignUp.
How to submit results:
Log in to your RunSignUp profile.
Click your Profile Icon -> Upcoming Events -> Submit Virtual Results.
Enter your time and click Submit Time.
SOCIAL MEDIA & LINKS
RunSignUp (Registration): https://runsignup.com/DF2024
Strava (Results): To be updated
WhatsApp (Questions): To be updated
Facebook Group: facebook.com/groups/882487679711867
Twitter/X: https://x.com/DeadFishSwim
Instagram: https://www.instagram.com/deadfish_swim/
LinkedIn: To be updated
Website: To be updated
female sign TRAINING TIPS BY DISTANCE
5KM CATEGORY
Build a steady pace and master breathing techniques.
Swim 34 sessions/week, including intervals and endurance sets.
Add strength and flexibility training to prevent injury.
10KM CATEGORY
Focus on endurance and consistency.
Train in open water if possible.
Pay attention to nutrition and hydration during long swims.
15KM CATEGORY
Build stamina gradually over months with a mix of long steady swims and interval training.
Practice fueling during swims to maintain energy.
Acclimate to open-water conditions and practice sighting.
EVENT DAY CHECKLIST
What to Bring:
Swimsuit / Wetsuit (if needed)
Goggles + Anti-fog spray
Swim cap
Garmin or tracking watch
Optional gear: paddles, fins
Open water: swim buoy
Pool: abacus/stones/paper to count laps
Nutrition: gels, electrolyte drinks
Vaseline
Towel, dry clothes
Sunscreen
Emergency phone number
Pre-Swim Warm-up:
Arrive early and get familiar with your venue.
Perform light stretches and dynamic warm-up.
Review the course layout and key markers.
warning SAFETY GUIDELINES
Review the schedule and plan your swim responsibly.
Always follow safety protocols.
Check tide tables for open-water swims.
Never swim alone always have a buddy or team support.
Stay alert to currents, temperature, and environment.
If you feel unwell or fatigued, signal for help or stop immediately.
Remember: Safety comes first.
MENTAL PREPARATION
Break your swim into manageable segments.
Visualize your swim and prepare for pacing and challenges.
Stay calm, focused, and trust your training.
Practice long sets like (100 x 100) or (150 x 100) with rest intervals.
POST-SWIM RECOVERY
Cool down with gentle swimming or stretching.
Rehydrate and refuel with protein + carbs.
Rest well to recover fully.
Celebrate your achievement!
Share your photos and stories online youve earned the title of a DeadFisher!
red question mark Q & A FREQUENTLY ASKED QUESTIONS
female sign Can I switch my club?
Yes. You can switch clubs before the event starts (December 15) by contacting your club leader or sending a message to the event organizers through RunSignUp or the Facebook Group.
Once the event begins, club changes are not allowed.
Can I switch my race event (for example, from 10KM to 15KM)?
Yes, but only before the event begins.
After December 15, all entries will be locked to ensure fairness and accurate tracking.
Is it possible to change my name?
Yes. You can update your name in your RunSignUp profile settings before the event starts.
For any last-minute corrections, please contact the organizers.
watch Am I allowed to forgo wearing a watch?
We strongly encourage swimmers to use a GPS watch or tracking device for accuracy.
However, if you dont have one, you can still participate see the next question below.
Since I don't own a watch, what alternatives can I use?
If you dont have a watch, you may:
Ask a friend or clubmate to record your swim using their watch or phone.
Use a smartphone app like Strava, Garmin Connect, or MapMySwim (with a waterproof phone pouch).
Have your coach or club leader verify your distance and time manually.
What is the process for submitting my results?
All participants must submit results on RunSignUp between Dec 15 and Jan 2.
You can follow these steps:
Log in to your RunSignUp profile.
Go to Upcoming Events -> Submit Virtual Results.
Enter your time and click Submit Time.
Make sure your Strava activity is public for verification.
If I haven't completed 10km, can I still register for the 15km event?
Yes, but please consider your endurance and safety before registering for the 15KM category.
We recommend gradually building up distance and training consistently before attempting longer swims.
Will I receive a finisher shirt after the event?
Yes! All verified finishers will receive a Finisher Shirt and E-Certificate.
Shipping information will be provided after results are verified.
Is it permissible to divide the swim into different segments?
No. The DeadFish Endurance Swim is an endurance challenge.
Each participant must complete the entire distance in one continuous swim session.
Where can I seek assistance if I experience difficulties during the open water swim?
Your safety is the top priority.
If you experience difficulty:
Signal for help using your bright swim buoy.
Stay calm and float on your back if you feel tired.
Your support kayaker, spotter, or club safety team should assist you immediately.
Always swim with a buddy or team, never alone.
Am I required to make a donation?
No donations are voluntary.
However, this event raises funds for poor children in Vietnam, and every act counts even a small donation, spreading awareness, or volunteering to help!
Can I change my bib number?
Bib numbers are automatically assigned and cannot be changed once the event begins.
How do I register?
You can register at our official event page:
https://runsignup.com/DF2024
Follow the prompts, select your distance category, and join your club (if applicable).
WELCOME TO YOUR INCREDIBLE TEAM!
The Deadfish team wishes you the best of luck! We encourage you to push your limits and achieve your personal goals in the 5K, 10K, or 15K challenge. We believe youve got what it takes to accomplish something remarkable!
Welcome to the DeadFish Endurance Swim 2025!
Get ready to dive into purpose and passion! From December 15 to December 31, swimmers from around the world will unite to take on the 5km, 10km, and 15km virtual endurance swims wherever they are.
This year, we swim for a cause that truly matters raising funds to support poor children in Vietnam. Every stroke, every kilometer, every act of kindness helps create brighter futures.
Whether youre swimming, donating, volunteering, or spreading the word every act counts. Together, our global DeadFish community and our amazing swim clubs especially across Vietnam are making waves for good.
Lets swim far, lift lives, and show the world what compassion in motion looks like.
#DEADFISHENDURANCESWIM #SWIMFORGOOD #TOGETHERWEMAKEWAVES #VIETNAM #VIRTUALSWIM
MARK YOUR CALENDARS: DECEMBER 1531, 2025.
Together, we swim for endurance. Together, we swim for life.
EVENT OVERVIEW
* Registration: Free to participate
* Categories
* 5KM Category: An exciting challenge for intermediate swimmers aiming to test and strengthen their stamina.
* 10KM Category (DF Distance): The signature DeadFish distanceideal for seasoned swimmers looking to push their endurance further.
* 15KM Category: A true test of resilience and determination, designed for elite swimmers ready to conquer their limits.
* Swim Date
* December 15 31, 2025
Participants may choose any single day within this period to complete their swim.
* Location
* Swim anywhere in the worldin pools, lakes, rivers, or oceans.
All participants must complete their chosen distance in one continuous effort.
DONATION
Swim with purpose every stroke makes a difference.
Join us in supporting children in remote areas of Vietnam who are most in need.
Your swim, your effort, and your kindness help bring hope, education, and brighter futures to these children.
Every act counts whether its swimming, donating, or spreading the word.
SPONSORS & DONORS
We welcome sponsors and donors from around the world to join hands with us.
Your support helps us create a more meaningful experience for swimmers and a brighter future for children in need.
We are seeking sponsors and donors who can:
Support us in providing finisher shirts or swim caps for participants.
Contribute donations to help children in remote areas of Vietnam access better living conditions and education.
Together, we swim for kindness every contribution counts.
PARTICIPANTS WILL RECEIVE
* E-Bib: Personalized with your name and bib number, ready to share on social media or print.
* E-Certificate: Awarded upon successful completion of your chosen swim distance.
* Special Gifts: Stay tuned for exclusive items and surprises from our generous sponsors!
Celebrate your swim, your effort, and your impact!
GUIDELINES AND REGULATIONS FOR PARTICIPANTS
GUIDELINES AND REGULATIONS FOR PARTICIPANTS
male sign EVENT REGULATIONS
Each participant must complete the challenge in one uninterrupted attempt.
Participants may register for only one category: 5km, 10km, or 15km.
Swim gear: Fins and paddles are optional but not recommended if you want to push your endurance limits.
Wetsuits are recommended when the water temperature is below 76^0F (24^0C), for both pool and open water swims.
Bright swim buoy is required for open water swimming for safety and visibility.
All participants must sign a consent waiver and swim at their own risk.
Participants aged 14 and under must have a waiver signed by a parent or guardian.
Adhere strictly to your registered distance category to maintain fairness and the competitive spirit.
For safety, please check in via RunSignUp or notify your club leader/organizer before starting your swim.
stopwatch CUT-OFFS, EVENT FINISH, TIMING, AND RESULTS
EVENT CUT-OFF TIMES
5KM Category: 3.5 hours (from entering the water)
10KM Category: 7 hours
15KM Category: 10.5 hours
Example:
If you start swimming at 12:00 PM, you must finish by:
3:30 PM for 5KM
7:00 PM for 10KM
10:30 PM for 15KM
THE IMPORTANCE OF CUT-OFF TIMES
Cut-off times ensure:
A safe and organized event schedule.
Swimmer safety, preventing exhaustion in long-distance and open-water swims.
Accurate timing and efficient event management by club leaders.
EVENT FINISH AND TIMING CLASSIFICATIONS
DNS (Did Not Start): Registered but did not start.
DNF (Did Not Finish): Started but did not finish.
NC (Not Classified): Finished but exceeded the cut-off time.
RESULTS SUBMISSION
Results accepted: December 15 January 2 (challenge ends December 31, 2024).
Ensure your swim results are public on Strava.
Join the DeadFish Strava Group (link to be updated).
Team leaders will verify results before submitting to RunSignUp.
Independent swimmers may submit results directly to RunSignUp.
How to submit results:
Log in to your RunSignUp profile.
Click your Profile Icon -> Upcoming Events -> Submit Virtual Results.
Enter your time and click Submit Time.
SOCIAL MEDIA & LINKS
RunSignUp (Registration): https://runsignup.com/DF2024
Strava (Results): To be updated
WhatsApp (Questions): To be updated
Facebook Group: facebook.com/groups/882487679711867
Twitter/X: https://x.com/DeadFishSwim
Instagram: https://www.instagram.com/deadfish_swim/
LinkedIn: To be updated
Website: To be updated
female sign TRAINING TIPS BY DISTANCE
5KM CATEGORY
Build a steady pace and master breathing techniques.
Swim 34 sessions/week, including intervals and endurance sets.
Add strength and flexibility training to prevent injury.
10KM CATEGORY
Focus on endurance and consistency.
Train in open water if possible.
Pay attention to nutrition and hydration during long swims.
15KM CATEGORY
Build stamina gradually over months with a mix of long steady swims and interval training.
Practice fueling during swims to maintain energy.
Acclimate to open-water conditions and practice sighting.
EVENT DAY CHECKLIST
What to Bring:
Swimsuit / Wetsuit (if needed)
Goggles + Anti-fog spray
Swim cap
Garmin or tracking watch
Optional gear: paddles, fins
Open water: swim buoy
Pool: abacus/stones/paper to count laps
Nutrition: gels, electrolyte drinks
Vaseline
Towel, dry clothes
Sunscreen
Emergency phone number
Pre-Swim Warm-up:
Arrive early and get familiar with your venue.
Perform light stretches and dynamic warm-up.
Review the course layout and key markers.
warning SAFETY GUIDELINES
Review the schedule and plan your swim responsibly.
Always follow safety protocols.
Check tide tables for open-water swims.
Never swim alone always have a buddy or team support.
Stay alert to currents, temperature, and environment.
If you feel unwell or fatigued, signal for help or stop immediately.
Remember: Safety comes first.
MENTAL PREPARATION
Break your swim into manageable segments.
Visualize your swim and prepare for pacing and challenges.
Stay calm, focused, and trust your training.
Practice long sets like (100 x 100) or (150 x 100) with rest intervals.
POST-SWIM RECOVERY
Cool down with gentle swimming or stretching.
Rehydrate and refuel with protein + carbs.
Rest well to recover fully.
Celebrate your achievement!
Share your photos and stories online youve earned the title of a DeadFisher!
red question mark Q & A FREQUENTLY ASKED QUESTIONS
female sign Can I switch my club?
Yes. You can switch clubs before the event starts (December 15) by contacting your club leader or sending a message to the event organizers through RunSignUp or the Facebook Group.
Once the event begins, club changes are not allowed.
Can I switch my race event (for example, from 10KM to 15KM)?
Yes, but only before the event begins.
After December 15, all entries will be locked to ensure fairness and accurate tracking.
Is it possible to change my name?
Yes. You can update your name in your RunSignUp profile settings before the event starts.
For any last-minute corrections, please contact the organizers.
watch Am I allowed to forgo wearing a watch?
We strongly encourage swimmers to use a GPS watch or tracking device for accuracy.
However, if you dont have one, you can still participate see the next question below.
Since I don't own a watch, what alternatives can I use?
If you dont have a watch, you may:
Ask a friend or clubmate to record your swim using their watch or phone.
Use a smartphone app like Strava, Garmin Connect, or MapMySwim (with a waterproof phone pouch).
Have your coach or club leader verify your distance and time manually.
What is the process for submitting my results?
All participants must submit results on RunSignUp between Dec 15 and Jan 2.
You can follow these steps:
Log in to your RunSignUp profile.
Go to Upcoming Events -> Submit Virtual Results.
Enter your time and click Submit Time.
Make sure your Strava activity is public for verification.
If I haven't completed 10km, can I still register for the 15km event?
Yes, but please consider your endurance and safety before registering for the 15KM category.
We recommend gradually building up distance and training consistently before attempting longer swims.
Will I receive a finisher shirt after the event?
Yes! All verified finishers will receive a Finisher Shirt and E-Certificate.
Shipping information will be provided after results are verified.
Is it permissible to divide the swim into different segments?
No. The DeadFish Endurance Swim is an endurance challenge.
Each participant must complete the entire distance in one continuous swim session.
Where can I seek assistance if I experience difficulties during the open water swim?
Your safety is the top priority.
If you experience difficulty:
Signal for help using your bright swim buoy.
Stay calm and float on your back if you feel tired.
Your support kayaker, spotter, or club safety team should assist you immediately.
Always swim with a buddy or team, never alone.
Am I required to make a donation?
No donations are voluntary.
However, this event raises funds for poor children in Vietnam, and every act counts even a small donation, spreading awareness, or volunteering to help!
Can I change my bib number?
Bib numbers are automatically assigned and cannot be changed once the event begins.
How do I register?
You can register at our official event page:
https://runsignup.com/DF2024
Follow the prompts, select your distance category, and join your club (if applicable).
WELCOME TO YOUR INCREDIBLE TEAM!
The Deadfish team wishes you the best of luck! We encourage you to push your limits and achieve your personal goals in the 5K, 10K, or 15K challenge. We believe youve got what it takes to accomplish something remarkable!
Races
-
10km
Incl. T-Shirt
Free
10KM Category Swim Distance: Participants must complete the full 10 kilometers in one continuous session. Importance: Staying within the set limits ensures that the challenge remains true to the selected category, giving all participants an equal footing. -
5km
Incl. T-Shirt
Free
5KM Category Importance: This ensures fairness and consistency across all participants, maintaining the integrity of the challenge.
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DeadFish Endurance Swim 2025
