Calvin's Challenge 12 hour
2025-05-17 07:00 - 19:00 (America/New_York) | Springfield, OH, Springfiled, OH, United States
3 categories; drafting begins at 0705. Non-drafting begins at 0705. 12-hour team drafting. Teams of 2-8 riders.
Age group, Gender, bike type awards.
https://www.bikereg.com/calvins-challenge-2025

Transpeninsular Race 2025 by Race Across Malaysia (RAM)
2025-05-24 05:00 - 2025-05-27 23:00 (America/Los_Angeles) | Malaysia, 36-2, Jalan PJU 5/20D, The Strand Kota Damansara, Petaling Jaya, Selangor, 47810, MY
The RAM Transpeninsular Race 2025 is an epic endurance event spanning Malaysia’s stunning landscape. Open to both local and international participants, this race offers a rare opportunity to qualify for the prestigious Race Across America (RAAM). Challenge your limits with a demanding route, test your physical and mental strength, and compete for a chance to join the global ultra-cycling community. Don’t miss your chance to be part of this unforgettable journey.

Belgian Waffle Ride Utah
2025-05-24 08:00 - 17:00 (America/Los_Angeles) | Main Street Park, 200 N. Main St., Cedar City, UT, 84721, United States
Get ready for the Hell of the Southwest!
The 100-mile Waffle tune-up before Unbound. Shorter Wafer and Wanna Rides, packed with decomposed granite, stunning vistas, sagebrush, and glorious undulating unroads.
Waffle: 127 miles, 7,500 ft climbing.
Wafer: 74.2 miles, 3,500 ft climbing.
Wanna: 34.8 miles, 1,600 ft climbing.

Corsica #8
2025-05-25 08:00 - 17:00 (America/Los_Angeles)
The XXL Tour if Corsica

Find more events at https://bikingman.com/en/the-races/

Race Around Denmark EXTREME 2025
2025-05-27 - 2025-06-01 | Aarhus, Denmark
Supported and unsupported categories, with unsupported beginning on May 27th, 2025. Supported riders for both this event and the RAD Challenge event will begin on May 27th, 2025.

CROULTRA 24hr 2025
2025-05-29 07:00 - 2025-05-30 07:00 (Europe/Zagreb)
CroUltra is the first 24-hour road cycling marathon in Croatia. It is suitable for anyone who wants to test their endurance and check how many kilometers they can cover in 24 hours. At the same time, the 6th and 12th hour marathons are held.Enter Croultra as a solo, 2 person team or 4 person team!

CROULTRA 6hr 2025
2025-05-30 07:00 - 17:00 (Europe/Zagreb)
Suitable for anyone who wants to test their endurance and check how many kilometers they can cover in 6 hours. At the same time, the 12 and 24 hour marathons are held.

CROULTRA 12hr 2025
2025-05-30 07:00 - 19:00 (Europe/Zagreb)

24 Hours In The Canyon 2025
2025-05-31 - 2025-06-01 | 24H in the Canyon Start – Palo Duro Canyon, 11450 State Hwy Park Rd 5, Canyon, TX, 79015, United States
This is an electronic chip-timed event. Racers start in Juniper Campground; make the climb out of Palo Duro Canyon. Riders will then complete a 100 mile route non-drafting.The rest of the 24 Hours will be spent inside Palo Duro Canyon on the road loop where drafting is permitted. The 24-hour event will be coordinated as a RAAM Qualifier.

24hr del Montello, 2025
2025-05-31 08:00 - 2025-06-01 17:00 (Europe/Rome) | Volpago del Montello, Italy
The 2025 WUCA European championship event, as well as a RAAM Qualifier.
To qualifying for the RAAM you have to complete:

17,29 loop (579,363 Km) for the man;
16,130 loop (539,130 Km), for the woman and the Over 60 category

From an idea of Fabio Biasiolo, a historical name of Italian and international ultracycling, in the heart of Montello, the 33.5km route winds for 6, 12, or 24 hours.

Race Across America - 2025
2025-06-10 08:00 - 2025-06-21 22:00 (America/Los_Angeles) | Oceanside Pier, The Strand N, Oceanside, CA, 92054, United States
Beginning in Oceanside, California and continuing non-stop to the new-in-2024 end point of Atlantic City, NJ, the Race Across America (RAAM) is one of the most well known ultra-endurance events across all sports. It has been running since the early 1980’s and while it has included finishes by professional cyclists, it has also seen its share of relative newcomers to competitive cycling. There are race formats that welcome solo riders as well as two, four, or eight person relay teams. Solo racers must qualify by performance in at least one ‘RAAM Qualifier’ event. Qualification standards do not apply to relay teams. RAAM does require a support crew and can not be raced in an unsupported format. For those interested in a shorter, but still very demanding event, consider the Race Across the West, or RAW, which covers the first ~1,000 miles of the same course, finishing in Durango, Colorado. In addition, an eastern event has been added called Race Across the East. For more info on these associated events, check out the RAAM website.

Tour D'afrique2025
2025-06-14 00:00 - 2025-06-20 06:00 (America/Los_Angeles) | Ecowas Office Ikoyi, Lagos, 13 Akinola Street, Fadeyi Bus stop, Fadeyi, Lagos, 23401, NG
6days cycling events, riding across 4 African Countries.

Reuzen van Vlaanderen
2025-06-14 05:30 - 20:00 (America/Los_Angeles) | Ontmoetingscentrum De Lier, Nieuwstraat 21, 9570 Lierde, Lierde, Oost-Vlaanderen, 9570, BE
🚴‍♂️ Reuzen van Vlaanderen – 300 km along the icons of the Spring Classics!
On June 14, 2025, we’re organizing a unique 300 km ride starting and finishing in Lierde. Spread across 3 loops, the route takes you over nearly all the legendary climbs tackled by the pros during the spring season.Think Koppenberg, Paterberg, Oude Kwaremont and many more.
✅ Fully signposted route✅ Well-organized feed zones✅ Pure cycling joy, challenge and passion
📍 More info & registration: https://reuzenvanvlaanderen.be/nl/
Do you dare to take on the Giants of Flanders?

Nordic Chase
2025-06-14 08:00 - 2025-06-15 23:55 (America/Los_Angeles) | Nordic Chase, Værnedamsvej 16, København, Sjælland, 1619, DK
The ultimate cycling event in the Nordics. Ride 400 km on scenic roads through the beautiful nature of Denmark and Sweden, connected by an epic ferry crossing. The race starts and finishes in vibrant Copenhagen. You can choose to complete this adventure in one or two days. All riders are welcome!

Race Around Poland 2025
2025-06-28 08:00 - 17:00 (America/Los_Angeles)

Belgian Waffle Ride Montana
2025-06-28 08:00 - 2025-06-29 17:00 (America/Los_Angeles) | Ponderosa Social Club, 515 W. Aspen St. Suite 100, Bozeman, MT, 59715, United States
Inaugural Waffle, Wafer, and Wanna rides through rugged backcountry landscapes-bring your camera and climbing legs!
Get ready for the Hell of the Bozone!

Race Across France 2025
2025-07-11 00:00 - 2025-07-21 00:00 (Europe/Paris)
Race Across France is the first ultra-cycling race in the country where the Tour de France was born. It’s the summit of ultra cycling.

Rad am Ring (Nurbergring 24hr), 2025
2025-07-18 07:00 - 2025-07-20 07:00 (America/Los_Angeles) | 53520 Nürburg, 53520 Nürburg, Nürburg, Germany
On July 18th, things heat up on the Nürburgring. Road cyclists, mountain bikers, racers and 24-hour cyclists… they can all let off steam on the Formula 1 asphalt today. It is recommended finding a place to watch near the start and finish stretches, just a few meters from the stage and the Expo.
Starting from 11:30 a.m. thousands of athletes will gather on the starting stretch for the Grand Départ. At half past noon, the fast road riders first dash across the starting line to burn their races of 25, 75 or 150 kilometers into the tarmac, before the heart of the event is due around 12:50 p.m.: The 24-hour riders will be rolling the first meters of many, many kilometers that still lie ahead of them. Accordingly, the spectators can expect a mix of tension, joy, exuberance, fighting spirit… in short: concentrated emotion that no cycling fan can escape of.

555 Vercors by Bikingman Vercors
2025-07-25 08:00 - 17:00 (America/Los_Angeles)
Find more events/information at https://bikingman.com/en/the-races/

RTTC UK National Championship 24H, 2025
2025-07-26 - 2025-07-27 | Farndon, Farndon, United Kingdom

Tip 2 Tip Nova Scotia
2025-08-02 08:00 - 2025-08-07 23:55 (America/Los_Angeles) | The Hawk, Nova Scotia, The Hawk, Nova Scotia, B0W 1P0, The Hawk, Nova Scotia, B0W 1P0, CA
Welcome to the fifth edition of the Tip 2 Tip Nova Scotia!
The Tip 2 Tip is a 1000km (or slightly more), single-stage, self-supported, endurance ride from one end of Nova Scotia to the other. The ride is done solo or in pairs, and riders have 5-days to complete the route.
What is self-supported?

No support car, water drops, or outside support of any kind – it’s all up to you to get to the finish!
In other words, riders must be fully self-sufficient and not receive any private assistance. All food, lodging, etc. must be commercially available to all riders.

There is no set route, however, there are seven unmanned checkpoints each rider must pass on their way to Meat Cove. Riders will receive the checkpoints 24-hours in advance of the start. They can plan their routes accordingly. Riders leave from The Hawk Beach, Cape Sable Island at 08:00 August 2.
The rider manual will outline all the nitty-gritty stuff you should know about the event.

Mid Atlantic Ultra 12, 2025
2025-08-09 07:00 - 19:00 (America/New_York)
We feature a non drafting 24 hour RAAM qualifier race and a drafting 12 hour race, along with a 100 Mile Race. A non competitive century ride is also an option for those looking to enjoy a more leisurely pace.
The 26 mile loop will take you through rural areas of Beaufort County. We are located in the coastal region of North Carolina. This is an extremely flat course! It is the perfect venue for riders that are self supported. You are allowed to park your vehicle inside the secure “Bus” parking lot. This is what serves as the Start/Finish line, you will pass by the time check after each lap. So feel free to set up your supplies for the day. There is a grassy area that you can set up a canopy for your crew as well. On site setup is to begin no earlier than 5am on day of event and must be removed by 10am the following morning. Online registration is available at BikeReg.com.

Mid Atlantic Ultra - 24hr, 2025
2025-08-09 07:00 - 2025-08-10 07:00 (America/New_York)

Race Across Switzerland 2025
2025-08-13 00:00 - 2025-08-16 00:00 (Europe/Zurich)
Davos to Champagne, Switzerland
300km-1000km

Race Across Quebec 2025
2025-08-20 08:00 - 2025-08-23 17:00 (America/Los_Angeles)
Bromont to Terrebonne, Quebec, CA
300km-1000km

Ultra Time-Trial 24/12h
2025-08-23 14:00 - 2025-08-24 18:00 (America/Los_Angeles) | UltraTime-trial, Ul. Konińska , Pniewy , Wielkopolskie , 62-045 , PL
Ultra Time-Trial 2025 is the 6th Edition of a unique event you can’t miss! Registrations are now open, and we’re kicking things off with a special promotion. Only until Friday, you can take advantage of exceptionally low entry fees: 300 PLN for UTT 24 and 250 PLN for UTT 12. After Friday, prices will gradually increase, so don’t wait .

This year, we’ve introduced new features – participants can optionally purchase insurance and order exclusive Ultra Time-Trial gadgets .

Join us and take part in this amazing race!
Registrations
www.ultratime-trial.pl

Time Trial
2025-09-05 08:00 - 17:00 (America/Los_Angeles)
ULTRACYCLING RACE TIME TRIAL

The Time Trial of Lake Santa Croce is a unique cycling event that takes place around the magnificent shores of Lake Santa Croce, in the Venetian Prealps. The course of the race winds along the scenic roads that embrace the lake, giving participants a spectacular scenery as they face the challenge against time.
The perimeter of Lake Santa Croce measures about 15 kilometers, offering a perfect circuit for this resistance challenge. Cyclists can choose from three duration options: 6 hours, 12 hours or 24 hours. The goal is to complete as many travels as possible within the set time.
Participants can compete both individually and in teams, with up to 6 cyclists per team. This allows participants to share the experience and effort of the race, while supporting each other along the way.
The Time Trial of Lake Santa Croce is much more than just a race. It is an opportunity for cycling enthusiasts to test their physical and mental skills in a breathtaking environment, immersed in the natural beauty of the Venetian Prealps.
The atmosphere during the event is full of energy and team spirit, with the participants coming together to face the challenge and celebrate their successes at the end of the race.
The Time Trial of Lake Santa Croce is an unforgettable experience that combines the passion for cycling with the beauty of nature, creating lasting memories for all those who participate.

Borderland500
2025-09-10 08:00 - 2025-09-13 16:00 (America/Los_Angeles) | WildconTENTment, New House Farm Crickheath , Oswestry , Shropshire , Sy108bt, GB
An introduction into ultra cycling. With 3 distances 500, 250 & 150 miles, you can choose a distance to suit you. With a staggered start the aim is to all finish together ready for the finishers party on Saturday 13th September. Start from as early as 10th September.

Georgia Time Trial Endurance Challenge; 24h
2025-09-13 07:00 - 2025-09-14 07:00 (America/Los_Angeles)
A new event for 2025, established by the experienced Larry Oslund who has also revived both the Sebring and Calvin’s Challenge events. Come to the newest Ultracycling event in the USA in 2025. One of the five events in the UltraCycling Events growing catalog of events on the WUCA calendar.
This is a great route to rack up your ultracycling miles. Ride virtually flat, low traffic roads while you ride the 30 mile loop during the day. The 30-mile route will go from New Ebenezer Retreat Center to the sleepy little city of Clyo and back. With hardly any trunks and low traffic you will enjoy the peace and serenity of South Georgia in the last week of summer. If you are 24-hour rider, there is also a 6-mile night loop so you will only be at a max 3 miles from the start-finish. It also loops from the New Ebenezer Retreat Center to a large traffic circle and back to a nice 3-lane wide dead-end for 2 easy turns.

Georgia Time Trial Endurance Challenge; 12h
2025-09-13 07:00 - 2025-09-14 07:00 (America/Los_Angeles)
