How to Run an Async Retrospective: Complete Step-by-Step Guide
July 8, 2025
RetroFlow Team
The RetroFlow team builds free retrospective tools and writes practical guides for agile teams. We have helped thousands of teams run better retros.
Not every team can gather at the same time. Whether you’re spread across time zones, suffering from meeting fatigue, or simply prefer written reflection, asynchronous retrospectives offer a powerful alternative to live meetings.
This guide walks you through running async retrospectives that generate genuine insights and drive improvement—without requiring everyone online simultaneously.
What Is an Async Retrospective?
An asynchronous retrospective is a structured team reflection that happens over a period of time (typically 24-72 hours) rather than in a single live meeting. Team members contribute, read, and respond to feedback on their own schedules.
Async vs Sync Retrospectives
| Aspect | Synchronous | Asynchronous |
|---|---|---|
| Timing | Everyone together | Spread over 24-72 hours |
| Communication | Verbal, real-time | Written, asynchronous |
| Energy | Group dynamics | Individual reflection |
| Best for | Co-located, same timezone | Distributed, global teams |
| Participation | Can be unequal | More equal (written) |
When to Use Async Retrospectives
Ideal Scenarios
Global Teams (5+ hour timezone spread)
When your team spans San Francisco, London, and Singapore, there’s no “good” meeting time. Async removes the problem entirely.
Meeting Fatigue
If your team is drowning in video calls, async retrospectives reduce meeting load while maintaining continuous improvement.
Introverts and Non-Native Speakers
Written async formats give everyone time to compose thoughtful responses without the pressure of speaking in real-time.
Large Teams
Teams over 10 people struggle in synchronous retrospectives—too many voices, too little time. Async scales better.
Deep Reflection Needed
Complex topics benefit from the thinking time async provides.
When NOT to Use Async
- Crisis situations requiring immediate discussion
- Teams that rarely connect (need the meeting for bonding)
- Topics requiring nuanced real-time dialogue
- Teams with poor written communication habits
💡 Pro tip: RetroFlow supports both sync and async retrospectives—start immediately with no signup required.
Async Retrospective Step-by-Step
Overview Timeline
| Day | Activity |
|---|---|
| Day 1 | Launch retrospective, send invitation |
| Day 2 | Mid-point reminder, early participants |
| Day 3 | Contribution deadline, voting begins |
| Day 4 | Voting closes, discussion (async or sync) |
| Day 5 | Action items finalized, summary shared |
Step 1: Prepare the Retrospective (Day 0)
Create Your Board
Set up your retrospective board with:
- Clear column headers for your chosen format
- Instructions explaining the process
- Deadline information
- Example items (optional, can anchor)
Choose Your Format
Best formats for async:
- 4Ls - Clear categories, easy to contribute
- Start Stop Continue - Simple and actionable
- Rose Bud Thorn - Balanced reflection
- Plus Delta - Streamlined improvement
Formats that need adaptation for async:
- Lean Coffee - Requires sync prioritization
- Timeline - Harder without real-time discussion
- Futurespective - Benefits from live brainstorming
Set the Timeline
Determine:
- Collection period (48-72 hours works well)
- Voting period (24 hours)
- Discussion format (async comments or short sync call)
- Action item deadline
Step 2: Launch and Invite (Day 1)
Send the Announcement
Via Slack, Teams, or email:
🔄 Sprint 14 Retrospective is Open!
Link: [app.retroflow.org/board/xyz]
Format: 4Ls (Liked, Learned, Lacked, Longed For)
Timeline:
• Add your items: By Wednesday 5pm UTC
• Voting: Wednesday 5pm - Thursday 5pm UTC
• Discussion: Thursday 5pm - Friday 12pm UTC
• Action items: Friday end of day
Guidelines:
• At least 2 items per category please
• One idea per card
• All contributions are anonymous
Questions? DM me.
Tips for the Launch:
- Send at start of work day for most team members
- Pin the message in relevant channels
- Include direct link to the board
Step 3: Collection Period (Days 1-3)
Monitor Participation
Check the board daily:
- Who has contributed?
- Are all categories getting items?
- Are items clear and specific?
Send Reminders
Day 2 reminder:
🔔 Retro Reminder: 24 hours left to add your items!
Currently we have:
• Liked: 8 items
• Learned: 5 items
• Lacked: 12 items
• Longed For: 6 items
Add yours: [link]
Model Participation
Add your own items early. This:
- Shows the expected format
- Demonstrates psychological safety
- Encourages others to participate
Handle Low Participation
If participation is low:
- Reach out individually to non-contributors
- Extend deadline if necessary
- Consider if async is right for this team
Step 4: Voting (Day 3-4)
Enable Voting
Once collection closes:
- Enable voting on items
- Each person gets 3-5 votes
- Can vote on any items, any category
- Votes are usually anonymous
Voting Reminder
📊 Voting is Open!
We have 31 items across all categories.
Vote for the items you think are most important to discuss.
You have 5 votes - use them wisely!
Voting closes: Thursday 5pm UTC
Vote here: [link]
Step 5: Discussion (Day 4)
You have three options:
Option A: Async Discussion (Comments)
- Enable comments on the board
- Ask for discussion on top 3-5 voted items
- Facilitator summarizes themes
- Propose action items in comments
Option B: Short Sync Call
- 30-minute call to discuss top items
- Much shorter than full sync retro
- Focus only on highest-voted items
- Record for those who can’t attend
Option C: Hybrid
- Async comment discussion first
- 15-minute sync call for alignment
- Finalize action items together
Step 6: Action Items (Day 4-5)
Create Clear Actions
For each priority item:
- Specific, actionable task
- Assigned owner
- Deadline or check-in date
- How we’ll measure success
Share the Summary
Send retrospective summary:
📋 Sprint 14 Retrospective Summary
Top Insights:
1. [Most voted item] - 8 votes
2. [Second item] - 6 votes
3. [Third item] - 5 votes
Action Items:
• [Action 1] - Owner: @Alex - Due: Next sprint
• [Action 2] - Owner: @Jordan - Due: Friday
• [Action 3] - Owner: Team - Ongoing
Themes:
• Communication improvements needed
• Testing process praised
• Deploy process is a pain point
Full board: [link] (will archive in 1 week)
Thanks everyone for participating! 🎉
Best Practices for Async Retrospectives
Writing Guidelines
For Contributors:
- One idea per card
- Be specific, not vague
- Assume good intent
- Suggest solutions, not just problems
- Write as if speaking to the whole team
Examples:
❌ “Communication is bad” ✅ “We missed the design change because it wasn’t posted in #engineering”
❌ “Good job everyone” ✅ “The new automated tests caught 3 bugs before release - great addition”
Encouraging Participation
- Make it easy - Low-friction tools, no login required
- Set expectations - “Please add at least 2 items”
- Send reminders - But not too many (2-3 total)
- Acknowledge contributions - “Thanks for adding to the board!”
- Show impact - Report on previous retrospective outcomes
Maintaining Engagement
Async retrospectives can feel disconnected. Combat this by:
- Adding personality - Use emoji, casual language
- Celebrating contributions - Highlight thoughtful items
- Connecting items - “This relates to what @Taylor mentioned”
- Following through - Show that feedback leads to action
Facilitator Tips
- Be present - Check the board regularly
- Ask clarifying questions - Via comments: “Can you say more about this?”
- Group similar items - During collection, organize duplicates
- Summarize themes - Help the team see patterns
- Drive to action - Don’t let insights become forgotten
Tools for Async Retrospectives
RetroFlow
Best for: Zero-friction async retrospectives
- ✅ No signup required
- ✅ Async-friendly design
- ✅ Anonymous contributions
- ✅ Voting built-in
- ✅ Completely free
Other Options
| Tool | Async Support | Notes |
|---|---|---|
| Trello | Good | Need voting power-up |
| Miro/Mural | Medium | Better for sync |
| Notion | Good | Good for comments |
| Google Forms | Limited | Collection only |
| Slack | Limited | Threads get messy |
Looking for questions designed for distributed teams? Our retrospective questions guide has remote-specific prompts.
Async Retrospective Templates
4Ls Async Template
Sprint [X] Retrospective
📅 Timeline:
- Add items: [Date/Time]
- Voting: [Date/Time]
- Discussion: [Date/Time]
📝 Categories:
LIKED - What did you enjoy?
[Add items here]
LEARNED - What did you learn?
[Add items here]
LACKED - What was missing?
[Add items here]
LONGED FOR - What do you wish you had?
[Add items here]
✅ Guidelines:
- At least 2 items total
- One idea per card
- Be specific
Start Stop Continue Async Template
Sprint [X] Retrospective
🛑 STOP - What should we stop doing?
[Add items here]
🚀 START - What should we start doing?
[Add items here]
⏩ CONTINUE - What should we keep doing?
[Add items here]
📅 Deadlines:
- Contributions: [Date]
- Votes: [Date]
Common Async Retrospective Problems
Problem: Low Participation
Symptoms: Few items added, same people every time
Solutions:
- Reduce friction (no-login tools)
- Set minimum contribution expectations
- Reach out individually
- Make the deadline longer
- Consider if async works for your team
Problem: Surface-Level Feedback
Symptoms: Vague items, “everything’s fine” responses
Solutions:
- Provide example items
- Ask clarifying questions in comments
- Use anonymous mode
- Follow up on specific items
Problem: Discussion Falls Flat
Symptoms: No comments, no engagement with voted items
Solutions:
- Add a short sync call for top items
- Facilitator seeds discussion with questions
- Tag specific people for input
- Make discussion period shorter (urgency)
Problem: Actions Don’t Happen
Symptoms: Same issues appear every sprint
Solutions:
- Review previous actions at start
- Assign clear owners
- Create smaller, achievable actions
- Track action completion visibly
Async Retrospectives for Different Team Sizes
Small Teams (3-5 people)
- 48-hour collection period sufficient
- Can skip voting (discuss all items)
- Short sync call often worth it
- Async works but sync might be easier
Medium Teams (6-10 people)
- 72-hour collection period
- Voting essential for prioritization
- Hybrid approach works well
- Async becomes more valuable
Large Teams (10+ people)
- Async strongly recommended
- Consider sub-team retrospectives
- Longer timelines (1 week)
- Summarize for leadership
- Async Standups vs Retrospectives
- anonymous feedback in remote retros
- Remote Retrospectives Guide - Complete remote retro guide
- Sprint Retrospective Formats - 30+ formats to try
- How to Facilitate a Retrospective - Facilitation fundamentals
- Retrospective Anti-Patterns - Mistakes to avoid
- Slack & Teams Async Retrospective - Run retros in your messaging tool
- Written vs Video Async Retrospectives - Choosing the right async format
Frequently Asked Questions
What is an async retrospective?
An async retrospective is a retrospective that happens over hours or days instead of in a single live meeting. Team members add their input, vote, and discuss on their own schedule using tools like RetroFlow, Slack, or Notion.
When should you run an async retrospective?
Run async retros when your team spans multiple time zones that make live meetings unfair, when the team is experiencing meeting fatigue, or when you want to give introverted team members more time to think before responding.
Are async retrospectives as effective as live ones?
They can be, especially for thoughtful input — people often write more honest and detailed feedback when they have time to reflect. The main trade-off is less real-time discussion and energy. Many teams alternate between live and async retros.
Try Async in RetroFlow
Looking for a quick way to run this format? RetroFlow has a ready-made Async template with anonymous input and built-in voting. It’s free and takes about 30 seconds to set up.