Runway for SaaS at Seed
2026 data · Sample size: 394 · Source: Mixpanel Product Benchmarks 2025
About This Metric
Number of months a company can operate before running out of cash at current burn rate.
Higher is better · Unit: months
How to Improve
Ehsan's Analysis
The "18 months of runway" rule of thumb is not conservative enough in 2025-2026. Fundraising timelines have extended from 3-4 months (2021) to 6-9 months (2025), and term sheets are taking 30-60% longer to close. Carta data shows the median time from first VC meeting to wire receipt is now 142 days, up from 89 days in 2021. Practical SaaS runway planning: maintain 24 months of runway and begin fundraising at 12 months remaining. If you have less than 9 months, shift immediately to "default alive" mode (Jason Calacanis's term) — cut to profitability even if it means slower growth. The most common runway miscalculation: not accounting for seasonal variations in cash flow. SaaS companies with annual billing see cash spikes in Q1 and Q4 (renewal cycles) that make runway look longer than it is. Calculate runway using your lowest-cash-flow month, not average monthly burn.
Ehsan Jahandarpour
AI Growth Strategist & Fractional CMO
Forbes Top 20 Growth Hacker · TEDx Speaker · 716 Academic Citations · Ex-Microsoft · CMO at FirstWave (ASX:FCT) · Forbes Communications Council