Checkpoint
# Checkpoint

Checkpoint may refer to:

## Places

* Border checkpoint, a place on the land border between two states where travellers and/or goods are inspected
* Security checkpoint, erected and enforced within contiguous areas under military or paramilitary control
* Random checkpoint, a police or military checkpoint that is moved to various locations
* Weigh station, a highway checkpoint to inspect vehicular weights

## Arts and entertainment

* Checkpoint (G.I. Joe), a fictional character in the G.I. Joe universe
* Checkpoint (Transformers), two fictional characters in the Transformers universes
* Checkpoint (novel), a 2004 novel by Nicholson Baker
* Checkpoint (journal), 1969-1974
* Checkpoint (pinball), a 1991 pinball machine released by Data East
* Checkpoint (video gaming), locations in a video game where a player character respawns after death
* CheckPoint, a web series by sketch comedy group LoadingReadyRun

### Film and television

* Checkpoint (1956 film), a British crime drama film
* Checkpoint (2003 film), a documentary on checkpoints in the Occupied West Bank
* Checkpoint (Dutch TV show), a popular Dutch children's TV show
* "Checkpoint" (Buffy the Vampire Slayer), a 2001 episode of the television series Buffy the Vampire Slayer

## Science and technology

* Counting point, a concept in logistics

### Biology

* Cell cycle checkpoint, control mechanisms in eukaryotic cell division
   * G1 restriction point
   * S postreplication checkpoint, prevents cell cycle progression until postreplication repair
   * G2-M DNA damage checkpoint
   * M spindle checkpoint, prevents anaphase onset until all chromosomes are properly attached to the spindle
* Immune checkpoint

### Computing

* Application checkpointing, a method in computing whereby the state of a program is saved
* Transaction checkpoint, for recovery in data management

## Organisations

* Checkpoint Systems, a provider of merchandise availability solutions for the retail industry
* Checkpoint (rapid HIV testing facility), a former HIV testing facility based in Amsterdam
* Check Point, a software company that is best known for its firewall and VPN products
* Checkpoint, a tax and accounting database produced by Thomson Reuters

## Sports

* Control point (orienteering) or checkpoint, a marked waypoint used in orienteering and related sports
* Racing checkpoint, a specific point partway through a racing course where a contestant's subtotal time is recorded
