Wikipedia

Trackable (Geocaching)

A trackable is a traveling item used in geocaching. Trackables are moved from cache to cache, with unique tracking numbers allowing these movements to be tracked through the geocaching website. They are usually fastened to an object, known as a "hitchhiker", before being released into a cache. The main types of trackables are Travel Bugs and geocoins. Travel Bugs and geocoins have different origins, with Travel Bugs being created by geocaching co-founder Jeremy Irish, and geocoins being created by the other geocaching co-founder, Jon Stanley.

The front and back of an official Groundspeak Travel Bug
The front and back of an official Groundspeak Travel Bug
A United States Geocoin
The frontside of a United States geocoin
A Travel Bug attached to a hitchhiker
A Travel Bug attached to a stuffed penguin. The Travel Bug also features a laminated tag featuring the logo of Wikipedia

Trackables have been used in commercial promotions, such as advertising Jeep products and increasing diabetes awareness. Trackables have been to outer space, first in 2008, then in 2013, and finally in 2020. A free tracking service known as Geokrety is also available, but is not affiliated to Groundspeak.

Description

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Trackables are stamped with a tracking number and the Geocaching.com website address.[1] A trackable can be attached to another item.[2][3] These attached items are called "hitchhikers".[4] The owner then creates a name and a mission for the trackable,[5] such as "to travel as far as possible" or to travel to a specific cache or location.[6][7][8] On Geocaching.com, each trackable has an individual page which tracks its movement and calculates the distance traveled.[9][10][11]

A trackable moves when a geocacher picks it up and physically moves them from one geocache to the next. The geocacher then places it inside another cache, logging its movement online through the geocaching app. Alternatively, there is an option for the trackable to be “discovered” if the geocacher does not wish to pick it up.[6]

A geocoin is a type of trackable, being a token or coin made by a geocacher or a group of geocachers as a signature item.[12] Geocoins can be used as an award after completing a geocaching-related actidvity. For example, geocachers can earn a geocoin after completing the Berkeley Gadgets GeoTour (GT96).[13]

Trackables are susceptible to going missing, such as someone taking the trackable but not logging it online or a cache containing a trackable being destroyed.[14]: 48 

Origins

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Travel Bugs

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The first Travel Bug was released by Jeremy Irish (the co-founder of Groundspeak, the parent company of Geocaching) on August 30, 2001, titled "Deadly Duck: Envy". The Travel Bug was attached to a rubber duck with devil horns. Irish also released six other Travel Bugs all centered around the seven deadly sins, being sloth, pride, gluttony, lust, wrath, and greed. (The greed Travel Bug was placed in a cache that was never published.)[15][16]

Geocoins

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A version one Moun10Bike geocoin

The first geocoin was created by Jon Stanley (geocaching name Moun10Bike).[17] Wanting a signature item for his 100th geocache find, Stanley created the geocoin, inspired by military challenge coins. He placed the first geocoin (TBD600) in his collection, and placed the second one (TB1D) in a geocache (GC126C) on September 30, 2001. Around six months later, more people started to mint coins. Eventually, geocoins became "desired items", so people would try and get to a cache first to grab the geocoin.[18]

Trackable Promotions

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Jeep Travel Bugs
Jeep Travel Bugs. From bottom to top: 2004 Yellow Jeep TB #2155, 2005 White Jeep TB "Marly," 2006 Green Jeep TB "Venable Peak (CO)," 2007 Red Jeep TB "North River (MN)."

Jeep

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From 2004 to 2007, Jeep sponsored a contest, known as the "Jeep 4×4 Geocaching Challenge", which featured different series of special Jeep Travel Bugs every year. The Travel Bugs were released throughout the United States with no specific mission in mind, and every finder was entered into a drawing for a new Jeep and other prizes. There was a separate contest for photo entries for each Jeep Travel Bug series. In 2004, 5,000 yellow Jeep Wrangler Travel Bugs were released, followed by 5,000 white Jeep Wrangler Rubicon Travel Bugs in 2005, 6,000 green Jeep Rescue concept vehicle Travel Bugs in 2006, and 8,000 red Jeep Commander Travel Bugs in 2007.[19]

International Diabetes Federation

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In late 2006, to promote diabetes awareness and to gather support for a United Nations resolution, the International Diabetes Federation disseminated "Unite for Diabetes" Travel Bugs to be released by volunteers around the world. Unlike the Jeep Travel Bugs, each Unite for Diabetes Travel Bug has a specific mission. Every individual Travel Bug is assigned a specific target city. It then travels to and around its assigned city to spread awareness for diabetes.[20] Like the Jeep series, the Unite for Diabetes series was tied to a contest. Specially made geocoins were also created for release in 2007.[21]

Trackables in Space

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Trip by Richard Garriott

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Richard Garriott traveled to the International Space Station with a Travel Bug (TB27AH8) on October 12, 2008.[22] Along with the Travel Bug, Garriott hid a geocache on the station in locker 218 of the Russian segment of the station.[23][24] He placed the Travel Bug on the exterior of the cache. The Travel Bug was picked up by Astronaut Michael Barratt and brought back to Earth two years and eight months later.[22] The Travel Bug has since been on display at Geocaching Headquarters in Seattle, Washington.[25]

Trip by Richard Mastracchio

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A Travel Bug floating next to a white wall panel
Mastracchio's Travel Bug on the International Space Station, in front of the panel that contains the geocache.

Astronaut Richard Mastracchio traveled to the International Space Station with a Travel Bug (TB5JJN1) on November 6, 2013 during Expedition 38.[26][27] The event was organized by geocacher Robert Cizaukas (geocaching name Cizzors) and sponsored by the Waterbury Police Activity League.[28][29] The Travel Bug was given to Mastracchio in September by a 5th grade class at Chase Elementary School in Waterbury, Connecticut as a way to teach them and 11 other schools in Waterbury about space travel.[30][29][31][32] The Travel Bug had 11 hitchhiker tags labeled "EXP 38" attached to it,[33] representing the schools participating in the event.[28][32] Groundspeak allowed geocachers to host events on the launch date to celebrate, and anyone who attended got a digital souvenir for the event.[30][34] The Travel Bug was in space for six months until the return flight on May 13, 2014.[35] During the trip, Mastracchio was first to find (FTF) Garriott's cache.[36] His online log writes:[37]

"The geo space bug (TB5JJN1) has made it to the Russian Service Module, panel 218. He traveled from Waterbury, CT to Houston, TX to Cologne, Germany to Moscow, Star City Russia, to Baikonur Kazakhstan where it launched on a Russian Soyuz Rocket to the International Space Station. He has traveled around the space station and will continue to do so for the next 6 months. When he is not traveling he will be staying with me in my very small crew quarters. He hangs/floats on my wall and waits for more adventures while I do research and perform experiments here on ISS. Thanks for getting this little guy started Cizzors. Every journey starts with the first step and you took the first step of this one.”

— Richard Mastracchio

Mars Perseverance Rover

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The Mars Perseverance Rover SHERLOC Calibration Target, featuring the trackable.
The Mars Perseverance Rover SHERLOC Calibration Target. The bottom-left corner contains the trackable.

A trackable (TB5EFXK) was on Perseverance Rover, attached to the "Scanning Habitable Environments with Raman and Luminescence for Organics & Chemicals" (SHERLOC), a robotic arm of the rover.[38] Also attached to the arm was space suit materials and a Martian meteorite.[39] The idea to incorporate geocaching and the rover was brought up by NASA worker Dr. Marc Fries and his son, Wyatt in 2016. They wanted help from someone else who geocached, so they brought Dr. Francis McCubbin. They originally wanted to hide a geocache on Mars, but they decided otherwise because no one would find it. They also had the idea of hiding an EarthCache on Mars, but after talking to Matt Dawson[40] (the Education Programs Manager at the Geological Society of America),[41] they figured a Mars EarthCache would break the guidelines for EarthCaches. Dawson was able to get McCubbin in touch with Groundspeak, and they came up with the final idea of placing a trackable on the Perseverance Rover.[40][42] The trackable code was carefully printed on a one-inch, polycarbonate glass disk serving as part of the rover's calibration target. It serves as an optical target for the WATSON imager and a spectroscopic standard for the SHERLOC instrument. The disk is made of a prototype astronaut helmet visor material tested for its potential use in crewed missions to Mars. Designs were approved by the mission leads at NASA's Jet Propulsion Laboratory (JPL), NASA Public Affairs, and NASA HQ, in addition to Groundspeak.[43][44] The rover was sent to Mars on July 30, 2020,[45] and geocachers are able to receive a digital souvenir if they discover the trackable.[46]

Other Aspects

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Travel Bug hotels

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A Travel Bug hotel
A Travel Bug hotel located in California, United States

Travel Bug hotels are geocaches made specifically to house trackable items. They serve as a point for trackables to be picked up and dropped off.[11][47][48] Owners of these geocaches often make a unique theme for the hotel, add decorations, or make dioramas or scenes within the cache.[49]

Travel Bug racing

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Trackables can be used in Travel Bug racing, in which a group of geocachers release bugs on the same day with the objective of either traveling the longest distance or to score points by completing specific objectives.[8][50][14]: 47 

Trackable tattoos

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Some geocachers have "made themselves trackable" by getting a tattoo of a tracking number.[51] Groundspeak offers a unique trackable icon to people who have a trackable tattoo, first requiring the geocacher to email an image of the tattoo to Groundspeak before the icon can be changed.[52] Since 2020, there have been over 700 geocachers who have a trackable tattoo.[53]

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References

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Specific
  1. ↑ Atkinson, Bobby (2014-06-16). "Geocaching: Treasure hunts in the Treasure Valley". Idaho Press. Retrieved 2026-04-22.
  2. ↑ Marsh (2011): p. 87
  3. ↑ "Treasure hunting for the masses". NBC News. 2008-01-15. Retrieved 2026-04-22.
  4. ↑ McNamara, Joel (2008). GPS for Dummies. John Wiley & Sons. p. 170. ISBN 978-0-470-15623-0.
  5. ↑ Neustaedter, Carman (10–15 April 2010). The role of community and groupware in geocache creation and maintenance. pp. 1757–1766. doi:10.1145/1753326.1753590. ISBN 978-1-60558-929-9. Retrieved 2026-05-04.
  6. 1 2 Marsh (2011): p. 85
  7. ↑ Taylor, J. Kevin; Kremer, DuAnn; Pebworth, Katherine; Werner, Peter (2010). Geocaching for Schools and Communities. Champaign, IL: Human Kinetics. pp. 20–22. ISBN 978-0-7360-8331-7.{{cite book}}: CS1 maint: multiple names: authors list (link)
  8. 1 2 "Cache and Carry". www.oregonwinepress.com. 2012-05-01. Retrieved 2026-04-22.
  9. ↑ "Travel Bug FAQ". Geocaching.com. Retrieved 30 January 2011.
  10. ↑ Gazette, St. Albert’s (2015-09-12). "The world's largest treasure hunt". St. Albert Gazette. Retrieved 2026-04-22.
  11. 1 2 Ihamäki, Pirita; Heljakka, Katriina (2020). ""Toys Traveling through Geocaching: Mobile, Social and Hybrid Values of Play"". DiGra 2020: 3.
  12. ↑ Willis, Katharine (2010). "Hidden Treasure: Sharing Local Information" (PDF). Aether: The Journal of Media Geography: 58.
  13. ↑ Fisher, Dianna (2020). "Geocaching: Perceptions of Impacts and Identity". Oregon State University: 197.
  14. 1 2 Kresta, Jaroslav (2010). "Geocaching Pravidla, principy a moţnosti vyuţití informačními pracovníky" (PDF). MASARYKOVA UNIVERZITA V BRNĚ FILOZOFICKÁ FAKULTA.
  15. ↑ "Milestones – Official Blog". 2017-03-29. Retrieved 2026-04-22.
  16. ↑ "Enter the HQ Duck Dash: A Global Trackable Race – Official Blog". 2016-06-16. Retrieved 2026-04-22.
  17. ↑ "Spokane was an early adopter in geocaching, the quirky tech-meets-outdoors hobby about to celebrate its 25th anniversary". Spokesman.com. 2025-08-15. Retrieved 2026-06-07.
  18. ↑ "The Father of the Geocoin: Moun10Bike – Official Blog". 2015-05-25. Retrieved 2026-06-07.
  19. ↑ "The Jeep® Travel Bug". jeep.geocaching.com. Archived from the original on 2011-04-10. Retrieved 2026-04-07.
  20. ↑ "Unite for Diabetes - The Unite for Diabetes Travel Bug Challenge". unite.geocaching.com. Archived from the original on 2006-12-06. Retrieved 2026-04-07.
  21. ↑ "Unite for Diabetes - The first World Diabetes Day". unite.geocaching.com. Archived from the original on 2011-01-10. Retrieved 2026-04-07.
  22. 1 2 "Travel Bug with 350 Million Miles to Return to Earth – Official Blog". 2011-02-24. Retrieved 2026-05-14.
  23. ↑ Johnson, Beth (2021-04-23). "Random Space Fact: Geocaching on the ISS". CosmoQuest. Retrieved 2026-05-14.
  24. ↑ Garriott, Richard. International Space Station (GC1BE91) - Log GL4JTYNM The log states: "I left this Travel Bug in locker #218 in the Russian segment of the ISS." Retrieved 2026-5-14
  25. ↑ "Geocaching Headquarters (GCK25B): Been There, Logged That. – Official Blog". 2014-07-09. Retrieved 2026-05-14.
  26. ↑ "Astronaut taking treasure-hunt 'travel bug' to space station | collectSPACE". collectSPACE.com. Retrieved 2026-05-14.
  27. ↑ Seidman, Lon (2013-10-15). "Waterbury Astronaut Rick Mastracchio Carrying Geocaching Tags for Elementary Students". CT News Junkie. Retrieved 2026-05-14.
  28. 1 2 REPUBLICAN-AMERICAN, Brynn Mandel. "Connecticut native takes geocaching 'travel bug' into space". The Worcester Telegram & Gazette. Retrieved 2026-05-14.
  29. 1 2 "Track a Travel Bug in Space – Official Blog". 2013-10-20. Retrieved 2026-05-14.
  30. 1 2 "Astronaut taking treasure-hunt 'travel bug' to space station". collectSPACE.com. Retrieved 2026-05-14.
  31. ↑ "Treasure hunts along the road". Illinois Country Living Magazine. Retrieved 2026-05-14.
  32. 1 2 "Waterbury PAL Launches International Space Station Program with Waterbury Students". www.waterburyct.org. Retrieved 2026-05-14.
  33. ↑ "Behind the Scenes: My Travel Bug®'s Mission to Space – Official Blog". 2013-10-16. Retrieved 2026-05-14.
  34. ↑ "Geocaching in Space Event Center – Official Blog". 2013-10-07. Retrieved 2026-05-14.
  35. ↑ "A Geocaching Return From Space After 75,000,000 Miles – Official Blog". 2014-05-13. Retrieved 2026-05-14.
  36. ↑ "The First Geocaching First-to-Find in Space – Official Blog". 2013-11-18. Retrieved 2026-05-14.
  37. ↑ Mastracchio, Richard International Space Station (GC1BE91) - Log GLCRWXTW Retrieved 2026-5-14
  38. ↑ "SHERLOC's Calibration Target Aboard the Perseverance Mars Rover - NASA Science". 2020-12-08. Retrieved 2026-06-07.
  39. ↑ Cowing, Keith (2025-01-06). "Tricorder Tech: SHERLOC Calibration Target On Perseverance Mars Rover". Astrobiology. Retrieved 2026-06-07.
  40. 1 2 "Geocaching on Mars: An Interview with NASA's Dr. Francis McCubbin". Speaking of Geoscience. 2021-02-12. Retrieved 2026-06-07.
  41. ↑ "Geology and Geocaching: An Interview with the Geological Society of America – Official Blog". 2020-10-05. Retrieved 2026-06-07.
  42. ↑ "Inside Geocaching HQ transcript (episode 48): Geocaching on Mars – Interview with Dr. Francis McCubbin – Official Blog". 2023-08-17. Retrieved 2026-06-07.
  43. ↑ "Geocaching and NASA head to Mars with the Perseverance Rover – Official Blog". 2020-07-28. Retrieved 2026-06-07.
  44. ↑ "NASA's Perseverance rover to test future spacesuit materials on Mars | collectSPACE". collectSPACE.com. Retrieved 2026-06-07.
  45. ↑ "Launch Windows". mars.nasa.gov. NASA. December 5, 2017. Archived from the original on July 31, 2020. Retrieved June 6, 2026.
  46. ↑ "Log the Mars Perseverance trackable to earn a new souvenir – Official Blog". 2021-03-17. Retrieved 2026-06-07.
  47. ↑ "Geocache adventure game - Travel Bug Hotels". www.dcr.virginia.gov. Archived from the original on 2025-07-08. Retrieved 2026-04-22.
  48. ↑ Gillin, Paul; Gillin, Dana (2010-04-01). The Joy of Geocaching: How to Find Health, Happiness and Creative Energy Through a Worldwide Treasure Hunt. Linden Publishing. p. 234. ISBN 978-1-61035-106-5.
  49. ↑ "Creative caches: TB hotels – Official Blog". 2022-10-31. Retrieved 2026-04-22.
  50. ↑ "Geocaching Travel Bug Races". tb-run.com. Archived from the original on 1 February 2011. Retrieved 30 January 2011.
  51. ↑ "Become Trackable on Geocaching.com – Tattoos to Travel Bugs – Official Blog". 2011-09-13. Retrieved 2026-05-04.
  52. ↑ "Trackable Tattoos – Never Lost – Official Blog". 2012-09-23. Retrieved 2026-05-04.
  53. ↑ "Trackable Tips and Tricks – Official Blog". 2020-03-10. Retrieved 2026-05-04.
General
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