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Social Media Kit

This kit gives you ready-to-post captions, a 4-week countdown schedule, and a day-of posting plan. Copy, fill in the brackets, and post.

Platforms covered: Instagram, Twitter/X, LinkedIn (adapt tone as needed)


4-Week Countdown Schedule

Week 4 — Announcement

Goal: Announce the event and drive early registrations.

Instagram / Twitter caption:

🚀 Announcing [HACKATHON NAME] — [DATE] at [LOCATION/SCHOOL].

[N] hours. Build something real. Win prizes. No experience required.

Registration is FREE → [link in bio / link]

hackathon #STEMeducation #[yourcity]hack #coding #highschool

LinkedIn (more formal):

Excited to announce [HACKATHON NAME], a student-run hackathon at [SCHOOL] on [DATE].

Open to [grades/ages]. Free registration. $[X] in prizes.

We're also looking for sponsors and judges — DM me or reply here if you'd like to get involved.

[Registration link]


Week 3 — Social Proof / What to Expect

Goal: Reduce "I don't know if I'm good enough" friction.

You don't need to know how to code to compete at [HACKATHON NAME].

We'll have mentors, workshops, and snacks. Just bring your curiosity.

[DATE] · [LOCATION] · FREE Register: [link]

hackathon #beginners #[school/club name]

Story / Reel idea: Film a 15-second "what is a hackathon?" explainer. Canva has free templates for this.


Week 2 — Urgency + Logistics

Goal: Push fence-sitters to register. Share practical info.

[HACKATHON NAME] is [N] days away and spots are filling up 👀

📅 [DATE] 📍 [LOCATION] ⏰ [START TIME] – [END TIME] 💸 Free to attend · $[X] in prizes

Register before [DEADLINE]: [link]

Separate post — FAQ format:

Quick answers for [HACKATHON NAME] 👇

Q: Do I need a team? A: No, we'll help you find one.

Q: What do I need to bring? A: Laptop, charger, ideas.

Q: Is it really free? A: Yes. Food included.

Register: [link]


Week 1 / Final Push

Goal: Last call. Create FOMO.

Last week to register for [HACKATHON NAME] 🔔

[N] teams already signed up. [N] spots left.

[DATE] · [LOCATION] · Free [link]

Day before:

See you tomorrow, builders. 👋

[HACKATHON NAME] starts at [TIME] at [LOCATION].

Check-in opens at [TIME-30 min]. Bring your laptop and charger.

Questions? DM us or email [contact email].


Day-of Posting Plan

Time What to Post
Check-in opens Photo of venue/setup: "Doors are open. Let's build."
1 hour in Action shot of teams working
Judging starts "Teams are presenting now — judges are deliberating 👀"
Awards Photo/video of winners with prizes
End of event Group photo or collage + thank-you post

Day-of caption for awards:

🏆 [HACKATHON NAME] winners:

🥇 [TEAM NAME] — [PROJECT NAME]: [1-sentence description] 🥈 [TEAM NAME] — [PROJECT NAME]: [1-sentence description] 🥉 [TEAM NAME] — [PROJECT NAME]: [1-sentence description]

Thank you to our sponsors [tag them] and judges [tag if they have accounts].

See you next year. 👋

hackathon #[eventname] #[yourcity]


Hashtag Bank

Use 3-5 per post. Mix broad + specific.

Broad (reach): #hackathon #coding #buildinpublic #studenthackathon #STEM #womenintech

Location-specific (community): #[CityName]tech #[CityName]students #[StateName]STEM

Event-specific (brand): #[HackathonName] #[SchoolName]hacks


Repost Checklist

After the event, encourage participants to share:

  • [ ] Post a link to your Devpost project page in your Instagram bio
  • [ ] Tag the hackathon account when posting about what you built
  • [ ] Use #[HACKATHON NAME] in posts

Prompt you can send to all participants:

We'd love to see what you built! Share your project on social and tag us @[HANDLE] — we'll repost. Use #[HASHTAG].


Tools (all free)

Tool Use
Canva Graphics, event flyers, story templates
Buffer Schedule posts in advance (free tier: 3 channels, 10 posts)
Later Instagram scheduling, free tier
Google Photos Organize and share event photos with team