What Is 2nd Division RE
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Last updated: April 15, 2026
Key Facts
- Segunda División B ran from <strong>1977 to 2021</strong> as Spain's third-highest football division.
- The league included <strong>80 teams</strong> split into four regional groups of 20 each.
- Promotion to LaLiga SmartBank (2nd tier) was determined through playoffs involving <strong>five promotion spots</strong>.
- Relegation sent teams to the <strong>Tercera División</strong>, now known as Segunda Federación.
- The 2nd Division RE was restructured in <strong>2021</strong>, replaced by the Primera División RFEF.
Overview
2nd Division RE, officially known as Segunda División B, was Spain's third-tier professional football league from its inception in 1977 until 2021. It functioned as a critical bridge between amateur regional football and Spain’s elite professional tiers, including LaLiga and the Segunda División (LaLiga SmartBank).
Organized by the Royal Spanish Football Federation (RFEF), the division was designed to balance competitive integrity with logistical feasibility by dividing teams into regionalized groups. This structure minimized travel costs and fostered local rivalries, while still offering a clear pathway to promotion for ambitious clubs.
- Founded in 1977, Segunda División B replaced the Tercera División as the third level in the Spanish football pyramid, elevating the competitive structure.
- The league typically featured 80 teams organized into four regional groups of 20, reducing travel demands and promoting regional identity.
- Each season, the top four teams from each group advanced to promotion playoffs, with only five ultimately earning promotion to the second division.
- Relegation affected approximately 20 teams per season, sending them down to the Tercera División (now Segunda Federación).
- In 2021, the RFEF restructured the lower leagues, replacing Segunda División B with the new Primera División RFEF as the third tier.
How It Works
The format of 2nd Division RE was built around regionalization, promotion playoffs, and relegation, creating a dynamic and competitive environment across Spain’s diverse football landscape.
- Term: Regional Groups: The 80 teams were split into four geographically based groups of 20, minimizing travel and emphasizing local competition.
- Term: Promotion Playoffs: The top four teams from each group entered a multi-round playoff, with only five winners advancing to the Segunda División.
- Term: Relegation System: The bottom four or five teams in each group were relegated to the Tercera División, depending on group size adjustments.
- Term: Points System: Teams earned 3 points for a win, 1 for a draw, and 0 for a loss, with tiebreakers based on head-to-head and goal difference.
- Term: Reserve Teams: Up to four reserve teams (e.g., Barcelona B, Real Madrid Castilla) were allowed, but they could not be promoted to LaLiga.
- Term: Season Duration: The season ran from August to June, mirroring Spain’s top leagues, with a winter break in December and January.
Comparison at a Glance
A comparison of Spain’s football divisions highlights the role of 2nd Division RE in the national structure before its 2021 reorganization.
| Division | Level | Teams | Founded | Promoted To |
|---|---|---|---|---|
| LaLiga EA Sports | 1 | 20 | 1929 | N/A |
| LaLiga SmartBank | 2 | 22 | 1929 | LaLiga EA Sports |
| Segunda División B (2nd Division RE) | 3 | 80 | 1977 | LaLiga SmartBank |
| Tercera División (now Segunda Federación) | 4 | 102 | 1929 | Primera División RFEF |
| Regional Leagues | 5+ | Varies | Ongoing | Tercera Federación |
This table illustrates how the 2nd Division RE served as a crucial intermediate level, feeding talent and clubs upward while maintaining regional accessibility. Its replacement by the Primera División RFEF in 2021 aimed to streamline promotion and improve financial sustainability across lower-tier clubs.
Why It Matters
Segunda División B played a foundational role in Spanish football, nurturing future stars and providing structure to the nation’s vast football ecosystem.
- Player Development: Many current LaLiga stars, including Iker Casillas and David Silva, began their careers in 2nd Division RE reserve teams.
- Club Growth: Smaller clubs like Alcorcón and Lugo used the league to build infrastructure and achieve historic promotions.
- Geographic Inclusion: Regional grouping allowed teams from remote areas like the Canary Islands and Galicia to compete fairly.
- Economic Impact: The league supported local economies through matchday revenues, sponsorships, and youth academies.
- Pathway to Pro Leagues: The promotion system offered a realistic route to professional football for semi-professional clubs.
- Influence on Reform: The league’s limitations led to the 2021 restructuring, shaping today’s more centralized RFEF leagues.
Though no longer active, the legacy of 2nd Division RE endures in Spain’s reformed lower divisions and the careers of countless players who passed through its ranks.
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Sources
- Segunda División B - WikipediaCC-BY-SA-4.0
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