
Nitro buggy photograph by Quist. General RC context only: this is not a pictured electric speed-record car or a test by RC Torquehouse.
Quist · CC BY-SA 4.0
Photo credit & source ↗From the September 2026 research edition. Product details and prices are dated source records; confirm the exact model and manual before buying or making changes.
Racing is where many RC hobbyists end up once bashing around the backyard stops being a challenge. A local club race gives you a real track, timed laps, other drivers to learn from, and a reason to keep improving your car and your driving.
It can also look intimidating from the outside. Race classes have names like "Stock 17.5 2WD Buggy" and "21.5 Blinky," there are rulebooks, transponders and sanctioning bodies, and the fastest drivers at the top of the sport are world champions.
This guide breaks it down: who writes the rules in the US and UK, what "blinky" means, which classes you are likely to find at a local track, how lap timing works, and how to find a track near you. We will also look briefly at recent world championship results for context.
Key takeaways
- In the US, ROAR publishes the rulebook; the current version is Ver. 26-7, effective July 15, 2026. In the UK, the governing body is the BRCA.
- "Blinky" means an ESC running with no electronic timing or boost, confirmed by an LED blink. Spec classes pair blinky ESCs with approved motors such as 17.5T or 13.5T.
- Local tracks set their own class lineups. Check your track's class page before you buy a car.
- Timed racing uses a transponder in your car, which counts your laps each time you cross the track's timing loop.
- You can find tracks through ROAR's Track Locator, BRCA's "Find your Local Club" tool, LiveRC and MyLaps Speedhive.
Who makes the rules?
ROAR (United States)
ROAR publishes the rulebook many US tracks refer to. As of September 17, 2026, the current ROAR Rule Book is Ver. 26-7, effective July 15, 2026, and it runs 91 pages.
Section 1 of that rulebook covers electric classes including:
- 1/10 electric off-road buggy
- 1/10 truck
- 1/10 short course
- 1/8 electric buggy
- 1/12 on-road
- T-2 touring car
- Formula 1
- Le Mans Hypercar (LMH)
- Front Wheel Drive
Rules change between versions, so read the current PDF directly before you buy parts for a specific class. We have not summarized detailed rule wording here because we could not verify every section of the document.
ROAR's homepage lists the 2026 Electric On Road Paved Nationals for October 22–25, 2026, in Valkaria, Florida. You do not need to race nationals to enjoy the hobby, but it shows the path exists.
BRCA (United Kingdom)
The British Radio Car Association (BRCA), founded in 1971, is the UK governing body for RC car racing. Its sections include 1/12 oval and circuit; 1/10 electric circuit, IC circuit, off-road and off-road trucks; 1/8 circuit, off-road, stockcars, Rally X and e-buggy; large-scale off-road; 1/5 circuit; and mini touring car.
BRCA membership is £30 for adults, £15 for juniors and £20 for non-driving members (as listed on its site in September 2026). The BRCA site also offers a "Find your Local Club" tool, "Clubsport" and the BRCA Academy.
EFRA and IFMAR
In Europe, EFRA (the European Federation of Radio Operated Model Automobiles) publishes battery homologation lists for its 2026 calendar on efra.ws. Be careful with look-alike domains: efra.eu is not EFRA's site. At world level, IFMAR runs the world championships.
What "blinky" means
Brushless ESCs can add electronic timing and "boost" or "turbo," which advance when the motor's windings are energized to get more RPM. That is great for top speed but makes it hard to keep a class equal.
In a blinky class, the ESC must run with that extra timing turned off. The name comes from the LED: ROAR says "zero timing" ESCs must show an approved LED blink code when timing is off, so a race official can glance at the ESC and see it is legal.
A few details worth knowing:
- ROAR's June 2022 note says "smoothing or softening" functions count as a form of variable timing.
- That same note listed approved firmware at the time: Hobbywing XR10 Stock Spec XR-4.2.05, Hobbywing XR10 Pro G2 XR-4.4.12, and R1 Digital 3 V1.020. Those versions are from 2022, so check ROAR for current approvals.
- Tekin's RSX manual describes its spec mode as "Sensored-Only, no Timing or Boost. ROAR Legal," and Tekin's product page advertises a "ROAR-approved blinky mode."
Blinky classes are then paired with a spec motor, named by its turn count, such as 17.5T or 13.5T. RC Car Action explains that turns are "the number of times the wire inside the motor is wrapped around the stator." In general, a higher turn count means a lower-KV, slower motor. That is why, at the track example below, the stock buggy class uses 17.5T while the open class usually runs 13.5T and lower.
By contrast, "modified" classes allow faster motors and timing. Hobbywing, for example, recommends its XR10 Pro G3 ESC for 3.5T–10.5T motors in modified racing and sells a separate G3X for stock racing.
Typical classes at a local track
Every track sets its own program. As a real example, here is how AMain Tracks at Silver Dollar RC Raceway in California describes its classes (as listed in September 2026):
| Class | Motor / ESC rule (as described by the track) |
|---|---|
| Rookie off-road | 27T brushed or 17.5–21.5T brushless |
| Stock 2WD Buggy | ROAR-approved stock 17.5 spec brushless, "Blinky" only ESC |
| Stock Stadium Truck | ROAR-approved stock 17.5 spec brushless, "Blinky" only ESC |
| Stock Short Course | 13.5 spec, blinky |
| Open 2WD | Usually 13.5T and lower |
| Touring car | 21.5 and 17.5 blinky classes, max 8.44V |
| USGT | 21.5 blinky |
| Vintage Trans Am | 25.5 blinky |
| F1 | ROAR-approved 25.5T, blinky |
| GT12 | 21.5 with a 1S blinky ESC, 4.20V |
| Team Associated SR10 spec | Reedy 3300Kv with SC600-BL ESC |
| Tamiya Euro Truck and TT-02 GT | Box-stock classes |
The track also lists a Rookie on-road class. For a beginner, the Rookie classes, the Stock 17.5 buggy and truck classes, the SR10 spec class and the Tamiya box-stock classes are natural places to start, because their spec and box-stock rules narrow the equipment choices.
Other tracks will differ, so treat this table as an illustration, not a rulebook.
Micro racing
Smaller cars have a racing following, too. Team Associated's first "1/28th International" race in 2026 drew 200 entries, according to LiveRC. Class rules for Mini-Z, Mini-T and the Tamiya Championship Series vary, so check with the organizer.
Transponders and lap timing
Timed races count laps with a small transponder in your car. MyLaps explains that with its RC4 system, the transponder signals a timing loop at the track each time the car passes over it. MyLaps lists a 0.001-second resolution and a 120 km/h maximum speed, and results are posted on its Speedhive platform.
Ask your track which transponder type it supports before buying one; we could not confirm current models, prices or subscription requirements.
How to find a track
- ROAR Track Locator on roarracing.com (US)
- BRCA "Find your Local Club" on brca.org (UK)
- LiveRC, which provides live video broadcasts, news, and live and archived race results. LiveRC's homepage showed "158 Active Tracks," and it reported its LiveTime scoring handled "over 16,500 RC entries" in the week of September 9–16, 2026.
- MyLaps Speedhive, which lists results from tracks using MyLaps timing
Once you find a track, visit on a race day without your car. Watch a few heats, look at which classes have the most entries, and ask racers what they recommend. Big classes mean more people to race and learn from.
Recent world champions, for context
These are the top of the sport, not where you start, but they show which classes matter internationally:
- 2023 IFMAR 1/10 electric off-road (Chandler, Arizona): Michael "Tater" Sontag won 2WD; Davide Ongaro won 4WD.
- 2023 IFMAR 1/8 GT: LiveRC reports Jorn Neumann won the electric class.
- 2024 IFMAR 1/10 electric touring car (Bakersfield, California): Bruno Coelho won Modified; Simon Lauter won TC Spec.
- 2025 IFMAR 1/8 electric off-road: Marcus Kaerup was crowned the "first ever 1/8th scale Electric Buggy World Champion," per LiveRC.
- 2025 IFMAR 1/10 electric off-road (Castle Hill, NSW, Australia): Broc Champlin won 2WD; Marcus Kaerup won 4WD.
The 2026 IFMAR 1/10 electric touring car world championship is hosted by Huge RC Circuit in Bangkok, Thailand. As of September 17, 2026, we had not found a published result.
Common mistakes
- Buying a car before checking the track's classes. A great car is no fun if nobody at your track races that class.
- Running timing or boost in a blinky class. Blinky means no timing, and ROAR counts smoothing and softening functions as variable timing.
- Relying on old rules. ROAR's rulebook is versioned (currently Ver. 26-7), and approved-equipment lists change. Check the current documents.
- Skipping the transponder question. Ask what timing system the track uses before buying.
- Charging carelessly in the pits. Use a LiPo-rated charger, never leave charging batteries unattended, and follow your track's pit rules.
FAQ
What does "blinky" mean in RC racing?
It means the ESC is running with no timing or boost. ROAR requires "zero timing" ESCs to show an approved LED blink code when timing is off.
What is a 17.5T stock class?
It is a spec class using a 17.5-turn brushless motor with a blinky ESC. At AMain Tracks, for example, Stock 2WD Buggy and Stock Stadium Truck use a ROAR-approved 17.5 spec motor with a blinky-only ESC.
Which ROAR rulebook is current?
As of September 17, 2026, Ver. 26-7, effective July 15, 2026.
How much does BRCA membership cost?
The BRCA lists £30 for adults, £15 for juniors and £20 for non-driving members.
Do I need a transponder to race?
If the track times laps with a system such as MyLaps RC4, your car needs a transponder. Ask your track which system it uses.
Sources
- ROAR Rule Book (PDF)
- ROAR homepage
- ROAR zero-timing ESC note
- Tekin RSX manual
- Tekin RSX product page
- RC Car Action: Motor tech crash course (PDF)
- Hobbywing North America: XR10 Pro G3
- AMain Tracks race classes
- BRCA
- EFRA
- LiveRC
- LiveRC news
- LiveRC IFMAR news
- MyLaps
- MyLaps RC timing system
- JConcepts: 2023 IFMAR 1/10 Off-Road Electric World Championship
- Wikipedia: IFMAR 1:10 Electric Off-Road World Championships
- LiveRC: Coelho and Lauter crowned 2024 TC World Champions
- Red RC: IFMAR announces 2025 World Championship dates
- LiveRC: 2026 IFMAR TC World Championships Stage 2 report


