Honest, useful guides to the endurance events worth training for — what each one actually demands, the limiters that decide your day, and how to build toward it. Written to help whether or not you ever use Joules.
Gravel · Flint Hills, Kansas
Two hundred miles of Flint Hills gravel. The big one.
Mountain bike · Rocky Mountains, Colorado
A hundred miles of Colorado high country. Altitude is the opponent.
Mountain bike · Mount Ascutney, Vermont
Fifty miles of relentless New England hills. No flat anywhere.
Gravel · Rocky Mountains, Colorado
Fast, smooth Colorado gravel — at altitude, for a very long day.
Gravel · Oklahoma
Oklahoma red dirt in March — fast in the dry, legendary in the mud.
Gravel · Southern California
Road bike, off-road punishment — the self-styled hardest day in cycling.
Gravel · Tushar Mountains, Utah
Seventy miles, ten thousand feet up — most of it climbing, much of it high.
Gravel · Sun Valley, Idaho
High-desert gravel in Sun Valley’s backcountry — long, dry, and up high.
Gravel · Barry County, Michigan
“The Killer Gravel Road Race” — early-season Michigan grit, punchy and cold.
Mountain bike · Western Cape, South Africa
“The Untamed.” Eight days of South African mountain biking, two riders, one team.
Road · Dolomites, South Tyrol, Italy
The Dolomite gran fondo — closed roads, iconic passes, and a day of pure climbing.
Road · France
Ride a Tour de France mountain stage — closed roads, real cols, your own legs.
Road · French Alps
Four legendary Alpine passes, finishing up Alpe d’Huez. One of the hardest one-day gran fondos in the world.
Gravel · Great Plains, Nebraska
A hundred and fifty miles of relentless Nebraska gravel, self-supported, in late-summer heat.
Gravel · Ozarks, Arkansas
A hundred miles of sharp Ozark gravel and punchy climbs in the Arkansas hills.
Mountain bike · Coastal British Columbia
A multi-day celebration of the best singletrack in British Columbia — and a test of how well you recover overnight.
Mountain bike · Rocky Mountains, Colorado
A multi-day mountain bike stage race in the thin air above Breckenridge — where altitude is the great equalizer.
Road · European and international mountain ranges
A multi-day, timed amateur stage race over legendary mountain passes — the closest most riders get to a pro grand tour.
Road · New York / New Jersey / Hudson Valley
A mass-start, race-paced century out of New York City — a gran fondo that rides like a real race.
Gravel · Girona, Catalonia
Girona’s gravel, all of it, in one enormous day.
Road · Hauts-de-France
Ride the cobbles of the Hell of the North — the weekend before the pros.
Mountain bike · Northern Michigan
Point-to-point through the cold Michigan woods — one of the biggest mountain bike races in America.
Road · Cape Peninsula
A hundred-odd kilometres around the Cape Peninsula — the world’s largest timed cycle race.
Road · Colorado Rockies
Three high passes, one very long day in the thin Colorado air.
Road · Sierra Nevada, California
A full day of Sierra passes — one of the great climbing challenges in American cycling.
Mountain bike · Prescott National Forest, Arizona
Punchy, rocky and relentless — the Prescott classic that rewards repeatable power.
Mountain bike · Michigan's Upper Peninsula
Infamously hard, deliberately unglamorous — a finish here is earned the long way.
Road · Mallorca, Balearic Islands
Three hundred and twelve kilometres around Mallorca in a single day.
Gravel · The Continental Divide, Rocky Mountains
Banff to the Mexican border, alone and self-supported, along the spine of the Rockies.
Road · White Mountains, New Hampshire
One road, all up — ≈7.6 miles at a relentless 12% average grade to a 6,288-foot summit.
Gravel · Green Mountains, Vermont
Punchy Vermont dirt roads, summer humidity, and the friendliest party in gravel.
Gravel · Maasai Mara / Great Rift Valley, Kenya
Four days of raw, remote racing across the Maasai Mara — and a showcase for East African talent.
Mountain bike · Northwoods, Wisconsin
A fast, friendly Northwoods classic where fitness, not skill, decides your day.
Road · Worldwide
Pick a hill. Ride up and down until you’ve climbed the height of Everest. One of cycling’s purest tests.
Gravel · Northumberland, England
A 200 km forest-gravel grind through Kielder — relentless, remote, and weather-exposed.
Gravel · Multiple venues worldwide
Part bike race, part party — a long social day where only a handful of timed segments decide your result.
Road · Sonoma County, California
A Sonoma County classic — a hundred miles over King Ridge and out to the coast.
Gravel · Southern Iceland
A 200 km loop of the Hekla volcano — black sand, glacial rivers, and relentless Icelandic wind.
Road · Tyrolean Alps
Four Alpine passes, 5,500 metres up. The one-day climb that defines a season.
Road · Sonoran Desert, Arizona
Arizona’s biggest day on the bike — a hundred miles of desert roads in a huge November field.
Road · Midwest
Seven days, one state, and the most important skill is showing up rested on day six.
Road · Pacific Northwest
Two-hundred-plus miles from Puget Sound to the Willamette — comfortable in two days, a genuine test in one.
Road · Southeast
102 miles from the South Carolina foothills to the highest summit east of the Mississippi.
Road · Rocky Mountains
Twenty-eight miles of climbing to 14,130 feet — the highest paved road in North America.
Road · Greater London / Essex
A fast, flat-ish closed-road century where the real skill is holding a group and pacing your time goal.
Road · Cumbria
112 miles and a relentless series of the steepest passes in England, with Hardknott waiting for you when you're already empty.
Gravel · Texas
A long, hot, relentlessly rolling Texas gravel day that rewards patience over punch.
Mountain bike · Sierra Nevada / Lake Tahoe
A high-altitude, climb-heavy MTB day that doubles as a proving ground for Leadville.