Major postseason rounds are played in buildings selected years in advance. The competition arrives at a venue chosen without knowledge of who would qualify.
Bidding requires long lead times
Arenas book conventions and concerts far ahead, so a governing body must claim dates well before the season in question exists. Availability drives the calendar.
Bids include the building, hotel capacity, transport, practice facilities and local organizing support. Assembling that package takes a city months.
Awards are therefore made in multi-year cycles, with several future editions announced at once. The predictability helps both organizers and host cities plan.
Neutrality is the point of the exercise
Playing a decisive round at a qualified team's home would grant an advantage nobody earned in the bracket. A neutral building removes it.
In practice neutrality is imperfect, because some hosts are geographically closer to some qualifiers. Organizers accept approximate neutrality rather than none.
Where the format allows, early rounds may be placed at campus sites deliberately, reserving true neutrality for the stages where the stakes justify the cost.
The host has no sporting stake
A host city's interest is economic and reputational. It sells hotel nights and visibility, and it does so regardless of which teams arrive.
That separation is what makes the model work. A venue with no rooting interest can be trusted to run the event impartially.
It also means attendance is unpredictable. A bracket that sends distant fan bases to a host city produces empty seats no amount of planning prevents.
Building requirements narrow the field of hosts
Minimum capacity, media facilities, locker room standards and floor dimensions eliminate most arenas immediately. The pool of eligible buildings is small.
Domed stadiums solve capacity but create sightline and shooting-background problems that require expensive temporary construction. Each solution introduces its own issues.
The result is a rotation among a familiar set of cities. Novelty is limited by infrastructure rather than by a preference for the same hosts.
Long lead times create risk
A venue awarded years ahead may face renovation, a changed anchor tenant, or a local situation nobody anticipated. Contracts include contingency provisions for that reason.
Organizers keep alternates informally ready, because relocating an event at short notice requires a building already capable of hosting it.
The whole arrangement trades flexibility for certainty. Committing early is the only way to secure buildings that would otherwise be booked by somebody else.

