Cannabis in Endurance Sports: Running, Cycling, Climbing, BJJ

The Overlap That Predates the Policy

Cannabis use among elite endurance athletes is not a recent phenomenon. The cultural overlap between cannabis and endurance/lifestyle sport has been openly documented in subculture media for decades — in Boulder's ultra-running and climbing scene, in Eugene's track-and-field corridor, in Yosemite's big-wall climbing roots, and in the Joe Rogan / 10th Planet Jiu-Jitsu ecosystem in Los Angeles. Each of those scenes predates organised cannabis-policy advocacy and the post-2018 hemp-bill legal opening; each grew out of the geography, the lifestyle, and the long-form aerobic suffering that defines its discipline.

Prevalence: The "At Least Half" Number

Scoping reviews report 6–25% past-year cannabis use across mixed elite-athlete samples (Docter et al., Clinical Journal of Sport Medicine, 2020; Ware et al., Substance Abuse: Research and Treatment, 2019) — but those numbers conceal substantial subdiscipline variance. Avery Collins, the first professional ultra-runner to sign a cannabis-brand sponsorship, has reported that "at least half" of professional ultrarunners use cannabis to some degree. ⚠️ The figure is from athlete reporting, not from a formal prevalence study; rigorous athlete-population cannabis prevalence data remain sparse (⚠️ Emerging).

Why the CB1 Substrate Matters

The cultural adoption of cannabis in endurance sport has a neurobiological reason that the science only consolidated in the last fifteen years. The seminal observation by Sparling et al. (Neuroreport, 2003) found that acute aerobic exercise raises plasma anandamide. Dietrich and McDaniel (British Journal of Sports Medicine, 2004) advanced the formal "endocannabinoid hypothesis" of the runner's high. Raichlen et al. (Journal of Experimental Biology, 2012) demonstrated that humans and dogs — cursorial mammals — show a robust anandamide increase after treadmill running, while ferrets, which are non-cursorial, do not. The implication is evolutionary: the endocannabinoid system signals reward for sustained distance running specifically in species that evolved to do it.

Fuss et al. (PNAS, 2015; doi:10.1073/pnas.1514996112) provided the most rigorous causal evidence (Strong evidence): in mice, blocking CB1 receptors abolishes the anxiolysis and analgesia of voluntary wheel running, while opioid blockade does not — directly contradicting the long-assumed "endorphin theory." For the full mechanism, see Runner's High Science.

What That Means for the Cultural Pattern

Endurance athletes are operating in a CB1-modulated reward state for hours at a time during training. Exogenous THC binds the same receptors. The cultural adoption pattern — that cannabis is more open in ultra-running, climbing, and mountain sport than in stick-and-ball sports — is consistent with athletes seeking augmentation of, or pharmacological alignment with, a signaling system already running. It is also consistent with the geographic clustering: Boulder, Eugene, Yosemite all sit at the intersection of long-aerobic-output sport and long-standing cannabis-tolerant subculture.

The Discipline-by-Discipline Map

• Running & Ultra — Avery Collins, Flavie Dokken (Wana Brands, 2019), Tanner Hall (Black Rock Originals, 2016 — the first cannabis-athlete sponsorship in U.S. action sports). Per Collins: at least half of pro ultrarunners use cannabis. Most ultramarathon events do not test.
• Cycling — UCI under WADA. Floyd Landis's "Floyd's of Leadville" CBD line is the most famous cyclist-led brand. Cannabis use among cyclists has been documented in journalism since the early 2000s.
• Climbing — IFSC under WADA. Boulder/Yosemite cultural roots; openly acknowledged in subculture media (e.g. Free Solo parlance). ⚠️ No published prevalence data.
• BJJ & 10th Planet — Eddie Bravo, founded 10th Planet Jiu-Jitsu in Los Angeles in 2003 after his upset of Royler Gracie at the ADCC 2003 World Championship. The Bravo / Joe Rogan / JRE ecosystem amplified BJJ's openly cannabis-tolerant subculture.
• The 420 Games — Joaquin Buscaglia's 4.20-mile run/walk and athletic event series, founded 2014, staged in San Francisco, Denver, Los Angeles, and Seattle.
• Runner's High Science — the CB1-mechanism page (Sparling 2003, Raichlen 2012, Fuss 2015) that the rest of the section is built on.

The Testing Discipline Layer

Subculture acceptance does not exempt athletes from drug-testing rules where they apply. Cyclists at the UCI level, climbers at IFSC events, and any endurance athlete competing under WADA in-competition rules face the 150 ng/mL THC-COOH threshold under WADA Section S8. Avery Collins's documented 5-week pre-tested-race washout protocol is the most cited individual-athlete planning template. For the protocol mechanics, see Washout Protocols.

Where Subculture Meets Policy

The endurance scenes are where the cannabis-and-athlete story is least about anti-doping enforcement and most about lifestyle, geography, and pharmacological alignment with sustained-aerobic-output disciplines. They are also where the athlete-founded brand ecosystem finds some of its most credible voices — Collins, Hall, Dokken, Landis — precisely because the sponsorship-and-advocacy work emerges from athletes whose disciplines are not primarily testing-and-suspension stories.