Ultramarathon (English Wikipedia)

"DUV Ultra Marathon Statistics". statistik.d-u-v.org. Retrieved 4 October 2023.
"DUV Ultra Marathon Statistics". statistik.d-u-v.org. Retrieved 8 February 2024.
"DUV Ultra Marathon Statistics". statistik.d-u-v.org. Retrieved 6 June 2024.

distances.plus

"Beth Pascall fracasse le record du 100 km à l'Ultra-Trail Cape Town - Distances+" (in French). 2 December 2019. Retrieved 22 March 2024.

dreamnews.jp

"日本一過酷な山岳レース「トランスジャパンアルプスレース（TJAR）」に密着したノンフィクション書籍『激走！日本アルプス大縦断』（NHKスペシャル取材班・著）が、集英社より4月26日（金）に発売！ | 株式会社集英社 | プレスリリース配信代行サービス『ドリームニュース』". Dreamnews.jp. Retrieved 23 November 2016.

endurancesport.co.nz

"Endurance Sport". Endurance Sport. Archived from the original on 10 July 2017. Retrieved 23 November 2016.

fastestknowntime.com

"Bob Graham Round (UK) | Fastest Known Time". fastestknowntime.com. 2 September 2022. Retrieved 6 June 2024.
"Jenny Hoffman | Fastest Known Time". fastestknowntime.com. 2 November 2023. Retrieved 28 February 2024.

fellsman.org.uk

"Results". The Fellsman. Retrieved 22 March 2024.

forbesindia.com

"Why La Ultra The High is the Cruelest Marathon". Forbes India. 18 February 2013.

g2gultra.com

"About the race". Grand to Grand Ultra.

garyrobbinsrun.com

"What Really Went Down in Whistler with the WAM Races". Gary Robbins. 26 October 2023. Retrieved 28 October 2023.

gomu.org

"GOMU - Global Organization of Multi-Day Ultramarathoners - World Championships". www.gomu.org. Retrieved 28 October 2023.
"GOMU - Global Organization of Multi-Day Ultramarathoners - Results & Records". www.gomu.org. Retrieved 23 October 2023.
"Records And World Bests attained at a GOMU World Championship". GOMU.

grough.co.uk

"grough — Adam Perry posts third Fellsman win as Jasmin Paris sets new women's record". www.grough.co.uk. Retrieved 22 March 2024.

hindu.com

"Big response for the Bangalore Marathon". The Hindu. 14 December 2007. Archived from the original on 17 December 2007. Retrieved 28 April 2013.

iaaf.org

"Ultra Running". Iaaf.org. Retrieved 23 November 2016.
"– 100 Kilometres Records". Iaaf.org. Retrieved 5 October 2013.

iau-ultramarathon.org

Bedkowski, Jacek. "Rankings & Records". IAU - International Association of Ultrarunners. Retrieved 22 October 2023.
Bedkowski, Jacek. "Rankings & Records". IAU - International Association of Ultrarunners. Retrieved 22 October 2023.
"IAU: Rationale for Combining IAU World Best Performances into one List" (PDF).
"IAU World Records Guidelines" (PDF). International Association of Ultrarunners. Retrieved 1 March 2022.
"Statement on the 6d event performance". IAU.
Bedkowski, Jacek. "IAU Records". IAU - International Association of Ultrarunners. Retrieved 26 January 2025.
IAU: Final WBP and WABP Records: 1000K, 1000M
"IAU Championships". Iau-ultramarathon.org. Archived from the original on 27 February 2017. Retrieved 23 November 2016.
Bedkowski, Jacek. "Camille Herron USA". IAU - International Association of Ultrarunners. Retrieved 13 April 2024.
"IAU Homepage". Iau-ultramarathon.org. Archived from the original on 6 March 2012. Retrieved 23 November 2016.
Bedkowski, Jacek. "2023 IAU 24H World Championships Final Results". IAU - International Association of Ultrarunners (in German). Retrieved 8 February 2024.
"IAU WOMEN RECORDS" (PDF). Retrieved 17 February 2023.
"IAU 50 km Women & Men" (PDF). Iau-ultramarathon.org. 14 May 2014. Retrieved 23 November 2016.
"IAU World Cup 100 Kilometres" (PDF). Iau-ultramarathon.org. Retrieved 23 November 2016.

iol.co.za

"Japanese ultra star set for Comrades". Independent Online. South Africa. Retrieved 4 January 2023.

irunfar.com

"This week in running, September 9 2024". IRunFar.
iRunFar: Courtney Olsen Sets 50-Mile World Record of 5:31:56 at the 2024 Tunnel Hill 50 Mile.
Hicks, Meghan. "Right on Pace: An Interview With Aleksandr Sorokin About His World-Record-Setting Run at the 2022 Spartanion". IRunFar. Retrieved 27 March 2022.
Potter, Alex. "Aleksandr Sorokin, 24-Hour World Record Holder, Interview". IRunFar. Retrieved 27 March 2022.
Hicks, Meghan (5 February 2014). "Ann Trason: The Pioneer Returns". iRunFar. Retrieved 4 January 2023.
Hicks, Meghan (25 March 2023). "Camille Herron Sets 48-Hour Running World Record of 435.336 kilometers (270.505 miles)". IRunFar.com. Retrieved 7 April 2023.
Powell, Bryon (25 February 2023). "2023 Transgrancanaria Classic 128k Results: Andreu Simon Wins, Courtney Dauwalter Dominates". iRunFar. Retrieved 8 February 2024.
Hall, Damian (17 January 2019). "Courting Success: An Interview with Courtney Dauwalter". iRunFar. Retrieved 4 January 2023.
Stott, Adrian (7 September 2018). "In Celebration and Memory of Don Ritchie".
Sharman, Ian. "2013 Two Oceans Marathon Women's Preview". No. 28 March 2013. IRunFar.com. Retrieved 24 September 2019.
Mock, Justin (10 June 2019). "This Week in Running: June 10, 2019". IRunFar.com. Retrieved 24 September 2019.
Cluff, Jilli (23 April 2022). "2022 Madeira Island Ultra-Trail Results: Event Records for Jim Walmsley and Courtney Dauwalter". iRunFar. Retrieved 8 February 2024.
Mock, Justin (21 November 2016). "This Week in Running: November 21, 2016". IRunFar.com. Retrieved 24 September 2019.
Mock, Justin. "This Week in Running: February 13, 2017". No. 13 February 2017. IRunFar.com. Retrieved 24 September 2019.
Mock, Justin. "This Week in Running: October 10, 2016". No. 10 October 2016. IRunFar.com. Retrieved 24 September 2019.
Mock, Justin (19 August 2019). "This Week in Running: August 19, 2019". IRunFar.com. Retrieved 24 September 2019.
Powell, Bryon (14 September 2015). "2015 IAU 100k World Championships Results". IRunFar.com. Retrieved 24 September 2019.
Powell, Bryon (23 August 2015). "2015 UltraVasan Results". IRunFar.com. Retrieved 24 September 2019.
"This Week in Running: October 2, 2017". IRunFar.com. Retrieved 23 September 2019.
"This Week in Running: January 29, 2018". IRunFar.com. Retrieved 23 September 2019.
Senseman, Eric (4 November 2016). "Pete Kostelnick 2016 Transcontinental Run Record Interview". IRunFar.com. Retrieved 26 September 2019.
Mock, Justin (25 July 2016). "This Week in Running: July 25, 2016". IRunFar.com. Retrieved 26 September 2019.
Mock, Justin (17 July 2017). "This Week in Running: July 17, 2017". IRunFar.com. Retrieved 26 September 2019.
Mock, Justin (12 June 2023). "This Week In Running: June 12, 2023". iRunFar. Retrieved 8 February 2024.
Hicks, Meghan (12 May 2019). "2019 Transvulcania Ultramarathon Results". iRunFar. Retrieved 4 January 2023.
"2013 Ultra-Trail Mount Fuji Preview". Irunfar.com. 24 April 2013. Retrieved 23 November 2016.
Powell, Bryon (21 August 2017). "2017 UTMB Men's Preview". iRunFar. Retrieved 4 January 2023.

itra.run

"Anna Frost". ITRA. Retrieved 24 September 2019.
"Francois D'Haene". ITRA. Retrieved 24 September 2019.
"Ida Nilsson". ITRA. Retrieved 24 September 2019.
"Jonas Buud". ITRA. Retrieved 24 September 2019.
"ITRA". itra.run. Retrieved 4 July 2024.
"Ragna Debats". ITRA. Retrieved 24 September 2019.
"Xavier Thévenard". ITRA. Retrieved 24 September 2019.

japantimes.co.jp

info.japantimes.co.jp

"Ultra-Trail Mt. Fuji (UTMF) | The Japan Times Online". Info.japantimes.co.jp. Retrieved 23 November 2016.

jfk50mile.org

Mason, Andy (7 February 2016). "History". JFK 50 Mile. Retrieved 28 February 2024.

laufreport.de

"LaufReport Presse Info". laufreport.de.

letsrun.com

Hauman, Riël (22 April 2019). "Bongmusa Mthembu And Gerda Steyn Bring Home Both Two Oceans Titles To South Africa For 1st Time Since 2000". LetsRun.com. Retrieved 4 January 2023.

marathondessables.com

"The race story | MARATHON DES SABLES - Site officiel". www.marathondessables.com. Retrieved 23 October 2023.

montane.com

"The Yukon: Discover the world's coldest ultra". Montane. Retrieved 19 February 2023.

motivrunning.com

"Inside the Mind of Kilian Jornet | Motiv Running". 1 September 2017.

nytimes.com

Lindner, Emmett (23 March 2024). "Jasmin Paris Becomes First Woman to Complete Extreme Barkley Race". The New York Times. ISSN 0362-4331. Retrieved 6 June 2024.

outsideonline.com

Chase, Adam (7 May 2021). "UTMB is Teaming up with IRONMAN. Will It Be the Ultra-Starbuckization?". Outside Online. Retrieved 28 October 2023.

polandin.com

"Pole wins ultramarathon in Death Valley in record time". PolandIn. Retrieved 23 September 2019.

rapidascent.com.au

"Salomon Trail Running Series – What Is Trail Running? (Salomon trail running series)". 21 March 2015. Archived from the original on 21 March 2015.

remezcla.com

Vilchis, Raul (10 March 2015). "Still, They Endure: The Paradox of Mexico's Legendary Tarahumara Runners". Remezcla. Retrieved 10 June 2019.

run2.au

"Ultra Marathons in Australia". run2.au. 1 July 2024. Retrieved 1 July 2024.

runnersworld.com

Prelle, Monica (7 June 2017). "Camille Herron Becomes First American to Win Comrades Marathon in 20 Years". Runner's World. Retrieved 1 March 2022.
"Charlie Lawrence Sets World Record at the 50-Mile Distance". Runner's World. 13 November 2023. Retrieved 8 February 2024.
"Courtney Dauwalter Obliterates Western States 100 Course Record". Runner's World. 26 June 2023. Retrieved 8 February 2024.
"Courtney Dauwalter Obliterates Another 100-Mile Course Record". Runner's World. 16 July 2023. Retrieved 8 February 2024.
"More People Are Running Ultras Than Ever Before". Runner's World. 24 January 2020.

runningmagazine.ca

Francis, Anne (25 September 2019). "10 of Al Howie's most mind-boggling achievements in ultrarunning". Canadian Running Magazine. Retrieved 4 January 2023.
Snider-McGrath, Ben (28 April 2021). "Zach Bitter takes USATF 100-mile crown, Beth Pascall wins Canyons 100K in busy weekend". Canadian Running Magazine. Retrieved 22 March 2024.
Milne, Keeley (1 October 2023). "Camille Herron obliterates Spartathlon course record by more than two hours". Canadian Running Magazine. Retrieved 4 October 2023.
Snider-McGrath, Ben (22 November 2020). "Camille Herron, Hayden Hawks run to wins at JFK 50-miler". Canadian Trail Running. Retrieved 1 March 2022.
Dickinson, Marley (16 March 2023). "Jasmin Paris bows out of Barkley Marathons after four loops". Canadian Running Magazine. Retrieved 22 March 2024.

runyoung50.co.uk

Holmes, Katie (30 September 2022). "Eleanor Adams and the first Spartathlon". RunYoung50. Retrieved 23 October 2023.

scmp.com

Agnew, Mark (20 August 2019). "UTMB 2019 schedule: when do the TDS, CCC and OCC start?". South China Morning Post. Retrieved 12 December 2023.

scottjurek.com

"About Scott Jurek". Retrieved 24 September 2019.

spartathlon.gr

Spartathlon (28 August 2015). "Ιστορικά Στοιχεία". Spartathlon Ultra Race (in Greek). Retrieved 23 October 2023.
"Αποτελέσματα". Spartathlon.gr. Retrieved 23 November 2016.

srichinmoyraces.org

3100.srichinmoyraces.org

"The 27th Annual Sri Chinmoy Self-Transcendence 3100 Mile Race - 3100 Mile Race". 3100.srichinmoyraces.org. Retrieved 22 October 2023.
"srichinmoyraces.org / About the 3100 Mile Race". Retrieved 16 January 2013.

taraweraultra.co.nz

"Partners - Tarawera Ultramarathon | Rotorua, New Zealand". taraweraultra.co.nz.

tedcorbitt.com

"Athlete". Ted Corbitt Archives. Retrieved 4 January 2023.

theguardian.com

Ingle, Sean (17 January 2019). "Jasmin Paris becomes first woman to win 268-mile Montane Spine Race". The Guardian. ISSN 0261-3077. Retrieved 22 March 2024.

thenorthface.co.uk

"The North Face: Lizzy Hawker".

theworld.org

Kanthor, Rebecca (9 June 2021). "Systemic problems in ultramarathon racing in China". The World. Retrieved 12 December 2023.

tjar.jp

"TJAR (Trans Japan Alps Race)". tjar.jp (in Japanese).

trailrunnermag.com

Levene, Abby (2 September 2023). "Courtney Dauwalter Wins UTMB in Grand Finale to Historic Summer". Trail Runner Magazine. Retrieved 8 February 2024.
Metzler, Brian (2 September 2023). "Jim Walmsley Wins UTMB, Breaks the U.S. Men's Curse". Trail Runner Magazine. Retrieved 8 February 2024.

twooceansmarathon.org.za

"PRESS RELEASE: Gerda Steyn wins fourth successive title while Givemore Mudzinganyama catches 'the big fish' at Totalsports Two Oceans Marathon". Two Oceans Marathon. Retrieved 8 February 2024.

ultrarunning.com

Collmer, Sheryl (9 December 2017). "Sandra Villines' North American Transcontinental World Record". Ultrarunning Magazine. Retrieved 26 September 2019.

ultrarunninghistory.com

"Spartathlon Part 1 (1982) - The Birth | Ultrarunning History". 19 September 2021. Retrieved 23 October 2023.
"First Finishers of Western States 100 Trail on Foot". 9 February 2022. Retrieved 23 October 2023.
"Classic Ultramarathon Beginnings". 17 February 2024. Retrieved 28 February 2024.
Crockett, Davy (22 January 2021). "Western States 100 - 1977". Ultrarunning History. Retrieved 23 January 2022.
Crockett, Davy (6 September 2019). "The Mount Baker Ultramarathon (1911-1913)". Ultrarunning History. Retrieved 23 January 2022.
Crockett, Davy (12 August 2019). "The 1928 Bunion Derby". Ultrarunning History. Retrieved 23 January 2022.
Crockett, Davy (19 August 2020). "The American Ultrarunning Hall of Fame". Ultrarunning History. Retrieved 23 January 2022.

usatf.org

"USA Track & Field | Records". usatf.org.

utmb.world

"Ruth CROFT - Her Trail results and UTMB® Index". utmb.world. Retrieved 6 June 2024.

wally.co.za

"Wally Hayward Marathon: About Wally".

web.archive.org

"Vierdaagse – Distance & Rewards". 4daagse.nl. Archived from the original on 7 November 2016. Retrieved 23 November 2016.
"IAU Championships". Iau-ultramarathon.org. Archived from the original on 27 February 2017. Retrieved 23 November 2016.
"Kudo & Sekiya To Return To Soochow International 24 Hour Race 2013". 8 March 2014. Archived from the original on 8 March 2014.
"IAU Homepage". Iau-ultramarathon.org. Archived from the original on 6 March 2012. Retrieved 23 November 2016.
"Comrades Marathon History". 4 June 2014. Archived from the original on 4 June 2014.
"Big response for the Bangalore Marathon". The Hindu. 14 December 2007. Archived from the original on 17 December 2007. Retrieved 28 April 2013.
"Endurance Sport". Endurance Sport. Archived from the original on 10 July 2017. Retrieved 23 November 2016.
"Salomon Trail Running Series – What Is Trail Running? (Salomon trail running series)". 21 March 2015. Archived from the original on 21 March 2015.
"AURA – Australian Ultra Runners Association". 12 October 2007. Archived from the original on 12 October 2007.

womensrunning.com

Benton, Emilia (27 June 2021). "At Western States 100, Women Really Showed Up—and Made History". Women's Running. Retrieved 22 March 2024.

worldathletics.org

"World Athletics". worldathletics.org. Retrieved 22 October 2023.
"Tomoe Abe shatters world 100km best". worldathletics.org. Retrieved 4 January 2023.

worldcat.org

search.worldcat.org

Ingle, Sean (17 January 2019). "Jasmin Paris becomes first woman to win 268-mile Montane Spine Race". The Guardian. ISSN 0261-3077. Retrieved 22 March 2024.
Lindner, Emmett (23 March 2024). "Jasmin Paris Becomes First Woman to Complete Extreme Barkley Race". The New York Times. ISSN 0362-4331. Retrieved 6 June 2024.

wser.org

"Geeks Only". Western States 100 Mile Endurance Run. Retrieved 24 September 2019.