---
title: "Blog - Harder | News, Updates & Challenge Stories | Harder"
meta:
description: "Read the latest news, updates and stories from Harder. Stay up to date with challenges, community highlights and platform updates."
"og:description": "Latest news, updates and stories from the Harder challenge platform."
"og:title": "Blog - Harder | News, Updates & Challenge Stories"
---
Harder - Home
# **Blog **
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[**Inktober 2026: Rules, History, and How to Finish All 31 Days**
Everything you need before October 1: the official Inktober 2026 prompt list, rules, history, and the real reasons people quit — plus how to actually finish all 31 days.](https://harder.pro/blog/inktober-2026-rules-prompts-guide.html)
[**The 30-Day Visual Creativity Challenge: One Prompt a Day, Zero Decisions**
A complete 30-day photo and video challenge, one prompt a day and nothing to decide. Includes the research behind why it works and how to build a style from it.](https://harder.pro/blog/30-day-visual-creativity-challenge.html)
[**#BeActive Day: The Science of 'Your Way' and Why Moving With Others Sticks**
#BeActive Day (23 Sept) opens the European Week of Sport. Here's why 'any movement counts' and doing it with others is exactly what the research says builds a lasting habit.](https://harder.pro/blog/beactive-day-european-week-of-sport.html)
[**International Day of University Sport: Why Moving With Other People Is the Habit Worth Starting**
20 September is the International Day of University Sport. Here's the science of why moving with other people builds a lasting habit - and how to start this week, student or not.](https://harder.pro/blog/international-day-university-sport.html)
[**Halloween Challenge Ideas: 63 Spooky Season Challenges You Can Actually Finish**
63 Halloween challenge ideas across photo, costume, food, decor, fitness, horror and no-spend - plus a printable 31-day October calendar and a proof-based way to actually finish one.](https://harder.pro/blog/halloween-challenge-ideas.html)
[**The Arc Setup Checklist**
A 20-point checklist for designing an arc challenge you finish - rules, floors, a failure condition, witnesses, and a dead-zone plan. Free printable, no email.](https://harder.pro/blog/arc-setup-checklist.html)
[**The Arc Tracker - 92 Days, One Box Per Day**
A free printable 92-day tracker for the winter arc: one box per action per day, a HELD column instead of a streak, in dated and undated versions. No email, no watermark.](https://harder.pro/blog/arc-tracker.html)
[**The Arc Challenge, Explained: Why Most Arcs Don't Finish**
An arc challenge is a fixed-length self-improvement run with rules you set yourself. Here's why self-designed arcs collapse - and what makes one actually finish.](https://harder.pro/blog/arc-challenge-explained.html)
[**Working Out and ADHD: The Best-Evidenced Tool You Have**
Plain exercise has the strongest evidence of any movement habit for the ADHD brain. Here's what a regular workout does for concentration, relationships, and work - plus a focus-priming trick.](https://harder.pro/blog/workout-for-adhd.html)