diff --git a/README.md b/README.md
index 50587df..1d98bfa 100644
--- a/README.md
+++ b/README.md
@@ -7,43 +7,43 @@ A repository of Formula 1™ circuits in [GeoJSON](http://geojson.org/) format.
 * [Points of F1™ circuits in GeoJSON format](f1-locations.geojson)
 * [List of F1™ circuits in JSON format](f1-locations.json)
 
-| Location | Name | Opened | First GP | Length | Altitude |
+| Location | Name | Opened | First GP | Length |
 |:---|:---|:---:|:---:|---:|---:|
-| Abu Dhabi | [Yas Marina Circuit](circuits/ae-2009.geojson) | 2009 | 2009 | 5554m | 9m |
-| Austin | [Circuit of the Americas](circuits/us-2012.geojson) | 2012 | 2012 | 5514m | 130m |
-| Baku | [Baku City Circuit](circuits/az-2016.geojson) | 2016 | 2016 | 6003m | -25m |
-| Barcelona | [Circuit de Barcelona-Catalunya](circuits/es-1991.geojson) | 1991 | 1991 | 4655m | 165m |
-| Budapest | [Hungaroring](circuits/hu-1986.geojson) | 1986 | 1986 | 4381m | 239m |
-| Estoril | [Autódromo do Estoril](circuits/pt-1972.geojson) | 1972 | 1984 | 4349m | 80m |
-| Hockenheim | [Hockenheimring](circuits/de-1932.geojson) | 1932 | 1970 | 4574m | 148m |
-| Imola | [Autodromo Enzo e Dino Ferrari](circuits/it-1953.geojson) | 1953 | 1980 | 4909m | 47m |
-| Istanbul | [Intercity Istanbul Park](circuits/tr-2005.geojson) | 2005 | 2005 | 5338m | 150m |
-| Jacarepaguá | [Autódromo Internacional Nelson Piquet](circuits/br-1977.geojson) | 1977 | 1978 | 5031m | 3m |
-| Jeddah | [Jeddah Street Circuit](circuits/sa-2021.geojson) | 2021 | 2021 | 6175m | 12m |
-| Las Vegas | [Las Vegas Street Circuit](circuits/us-2023.geojson) | 2023 | 2023 |  6116m | 610m |
-| Le Castellet | [Circuit Paul Ricard](circuits/fr-1969.geojson) | 1969 | 1971 | 5842m | 408m |
-| Lusail | [Losail International Circuit](circuits/qa-2004.geojson) | 2004 | 2021 | 5380m | 5m |
-| Magny-Cours | [Circuit de Nevers Magny-Cours](circuits/fr-1960.geojson) | 1960 | 1991 | 4412m | 230m |
-| Melbourne | [Albert Park Circuit](circuits/au-1953.geojson) | 1953 | 1996 | 5027m | 10m |
-| Mexico City | [Autódromo Hermanos Rodríguez](circuits/mx-1962.geojson) | 1962 | 1963 | 4304m | 2232m |
-| Miami | [Miami International Autodrome](circuits/us-2022.geojson) | 2022 | 2022 | 5412m | 1m |
-| Monte Carlo | [Circuit de Monaco](circuits/mc-1929.geojson) | 1929 | 1929 | 3337m | 47m |
-| Montreal | [Circuit Gilles-Villeneuve](circuits/ca-1978.geojson) | 1978 | 1978 | 4361m | 13m |
-| Monza | [Autodromo Nazionale Monza](circuits/it-1922.geojson) | 1922 | 1950 | 5793m | 142m |
-| Nürburg | [Nürburgring](circuits/de-1927.geojson) | 1927 | 1984 | 5148m | 627m |
-| Portimão | [Autódromo Internacional do Algarve](circuits/pt-2008.geojson) | 2008 | 2020 | 4653m | 44m |
-| Sakhir | [Bahrain International Circuit](circuits/bh-2002.geojson) | 2002 | 2004 | 5412m | -16m |
-| Sao Paulo | [Autódromo José Carlos Pace - Interlagos](circuits/br-1940.geojson) | 1940 | 1972 | 4309m | 765m |
-| Scarperia e San Piero | [Autodromo Internazionale del Mugello](circuits/it-1914.geojson) | 1914 | 2020 | 5245m | 292m |
-| Sepang | [Sepang International Circuit](circuits/my-1999.geojson) | 1999 | 1999 | 5543m | 39m |
-| Shanghai | [Shanghai International Circuit](circuits/cn-2004.geojson) | 2004 | 2004 | 5451m | 14m |
-| Silverstone | [Silverstone Circuit](circuits/gb-1948.geojson) | 1948 | 1950 | 5891m | 196m |
-| Singapore | [Marina Bay Street Circuit](circuits/sg-2008.geojson) | 2008 | 2008 | 4928m | 18m | 
-| Sochi | [Sochi Autodrom](circuits/ru-2014.geojson) | 2014 | 2014 | 5848m | 23m |
-| Spa Francorchamps | [Circuit de Spa-Francorchamps](circuits/be-1925.geojson) | 1925 | 1950 | 7004m | 413m |
-| Spielberg | [Red Bull Ring](circuits/at-1969.geojson) | 1969 | 1970 | 4318m | 721m |
-| Suzuka | [Suzuka International Racing Course](circuits/jp-1962.geojson) | 1962 | 1987 | 5807m | 60m |
-| Zandvoort | [Circuit Zandvoort](circuits/nl-1948.geojson) | 1948 | 1952 | 4259m | 3m |
+| Abu Dhabi | [Yas Marina Circuit](circuits/ae-2009.geojson) | 2009 | 2009 | 5554m |
+| Austin | [Circuit of the Americas](circuits/us-2012.geojson) | 2012 | 2012 | 5514m |
+| Baku | [Baku City Circuit](circuits/az-2016.geojson) | 2016 | 2016 | 6003m |
+| Barcelona | [Circuit de Barcelona-Catalunya](circuits/es-1991.geojson) | 1991 | 1991 | 4655m |
+| Budapest | [Hungaroring](circuits/hu-1986.geojson) | 1986 | 1986 | 4381m |
+| Estoril | [Autódromo do Estoril](circuits/pt-1972.geojson) | 1972 | 1984 | 4349m |
+| Hockenheim | [Hockenheimring](circuits/de-1932.geojson) | 1932 | 1970 | 4574m |
+| Imola | [Autodromo Enzo e Dino Ferrari](circuits/it-1953.geojson) | 1953 | 1980 | 4909m |
+| Istanbul | [Intercity Istanbul Park](circuits/tr-2005.geojson) | 2005 | 2005 | 5338m |
+| Jacarepaguá | [Autódromo Internacional Nelson Piquet](circuits/br-1977.geojson) | 1977 | 1978 | 5031m |
+| Jeddah | [Jeddah Street Circuit](circuits/sa-2021.geojson) | 2021 | 2021 | 6175m |
+| Las Vegas | [Las Vegas Street Circuit](circuits/us-2023.geojson) | 2023 | 2023 |  6116m |
+| Le Castellet | [Circuit Paul Ricard](circuits/fr-1969.geojson) | 1969 | 1971 | 5842m |
+| Lusail | [Losail International Circuit](circuits/qa-2004.geojson) | 2004 | 2021 | 5380m |
+| Magny-Cours | [Circuit de Nevers Magny-Cours](circuits/fr-1960.geojson) | 1960 | 1991 | 4412m |
+| Melbourne | [Albert Park Circuit](circuits/au-1953.geojson) | 1953 | 1996 | 5027m |
+| Mexico City | [Autódromo Hermanos Rodríguez](circuits/mx-1962.geojson) | 1962 | 1963 | 4304m |
+| Miami | [Miami International Autodrome](circuits/us-2022.geojson) | 2022 | 2022 | 5412m |
+| Monte Carlo | [Circuit de Monaco](circuits/mc-1929.geojson) | 1929 | 1929 | 3337m |
+| Montreal | [Circuit Gilles-Villeneuve](circuits/ca-1978.geojson) | 1978 | 1978 | 4361m |
+| Monza | [Autodromo Nazionale Monza](circuits/it-1922.geojson) | 1922 | 1950 | 5793m |
+| Nürburg | [Nürburgring](circuits/de-1927.geojson) | 1927 | 1984 | 5148m |
+| Portimão | [Autódromo Internacional do Algarve](circuits/pt-2008.geojson) | 2008 | 2020 | 4653m |
+| Sakhir | [Bahrain International Circuit](circuits/bh-2002.geojson) | 2002 | 2004 | 5412m |
+| Sao Paulo | [Autódromo José Carlos Pace - Interlagos](circuits/br-1940.geojson) | 1940 | 1972 | 4309m |
+| Scarperia e San Piero | [Autodromo Internazionale del Mugello](circuits/it-1914.geojson) | 1914 | 2020 | 5245m |
+| Sepang | [Sepang International Circuit](circuits/my-1999.geojson) | 1999 | 1999 | 5543m |
+| Shanghai | [Shanghai International Circuit](circuits/cn-2004.geojson) | 2004 | 2004 | 5451m |
+| Silverstone | [Silverstone Circuit](circuits/gb-1948.geojson) | 1948 | 1950 | 5891m |
+| Singapore | [Marina Bay Street Circuit](circuits/sg-2008.geojson) | 2008 | 2008 | 4928m |
+| Sochi | [Sochi Autodrom](circuits/ru-2014.geojson) | 2014 | 2014 | 5848m |
+| Spa Francorchamps | [Circuit de Spa-Francorchamps](circuits/be-1925.geojson) | 1925 | 1950 | 7004m |
+| Spielberg | [Red Bull Ring](circuits/at-1969.geojson) | 1969 | 1970 | 4318m |
+| Suzuka | [Suzuka International Racing Course](circuits/jp-1962.geojson) | 1962 | 1987 | 5807m |
+| Zandvoort | [Circuit Zandvoort](circuits/nl-1948.geojson) | 1948 | 1952 | 4259m |
 
 ## Summary