Before you toe the start line, know the course. Best Bike Split breaks down popular triathlon, road, gravel, and mountain bike courses with elevation analysis, power targets, and physics-based pacing strategies — so you can build your race plan before race day arrives.
Nearly 100 miles of loose, rocky Ozark gravel closes out the Life Time Grand Prix, a durability and fueling race, not a power race. Here's the course breakdown, weather outlook, and how a Best Bike Split race plan sets your pacing for race day.
IRONMAN California 2026 pairs a downriver swim, two flat 56-mile bike loops through Sacramento's wine country, and a two-loop marathon finishing at the Capitol. Get the course breakdown and a free Best Bike Split pacing plan for race day.
/ The 2026 IRONMAN World Championship reunites the men's and women's pro fields in Kailua-Kona on October 10 for the first time since 2019. Get the full swim, bike, and run course breakdown, forecasted weather, and a Best Bike Split pacing plan for race day.
/ A 1.2 mile Brazos River swim, rolling farm-road bike, and two-loop Cameron Park run make IRONMAN 70.3 Waco 2026 a pacing test more than a skill test. Get the full course breakdown and a Best Bike Split race plan for October 4.
/ A current assisted swim, rolling roads through rural Georgia, and late September heat make Augusta 70.3 trickier than its fast reputation suggests. Get the full course breakdown, 2026 race day weather outlook, and how a Best Bike Split plan protects your run.
/ The Stubborn Dolores 110 course packs 113 miles of southern Colorado gravel into Life Time's Rad Dirt Fest, with one defining climb, a 31-mile self-support stretch, and strict cutoffs. Get the full course breakdown and Best Bike Split race plan.
/ IRONMAN 70.3 Michigan 2026 pairs a sheltered Betsie Bay swim with a rolling 56-mile bike along the M-22 scenic highway and a flat, out-and-back half marathon through Frankfort and Elberta. Here's the course breakdown and a Best Bike Split pacing plan.
/ IRONMAN 70.3 São Paulo 2026 is one of the flattest half-distance courses on the calendar, with a rowing-channel swim, two closed-highway bike laps along the Pinheiros River, and a three-loop campus run. See the full course breakdown and pacing plan.
/ See the full course breakdown for IRONMAN 70.3 Weymouth 2026, from the sheltered bay swim to the punchy 56-mile Dorset bike loop and fast seafront run, plus how a Best Bike Split race plan pays off on race day.
/ 40 miles of Northwoods singletrack, ski trail, and one brutal stair-step climb at mile 26, the Chequamegon 40 is deceptively easy to get wrong. Here's the course breakdown, weather outlook, and how a Best Bike Split race plan sets your pacing for race day.
/ IRONMAN Wisconsin 2026 pairs a Lake Monona swim with a hilly, two-loop 112-mile bike through Dane County farmland and a two-loop marathon finishing on State Street. Here's the course breakdown and a Best Bike Split pacing plan for race day.
/ Racing the 2026 IRONMAN 70.3 World Championship in Nice? Get the full course breakdown, from the brutal Col de Vence climb to the flat coastal run, plus how a Best Bike Split race plan sets your pacing for the day.
/ 107 miles through the Driftless Region of Southeastern Minnesota, with a rebuilt middle third, a retained Chicken Ridge climb, and a Stars and Stripes jersey on the line for every category. Here is your complete course breakdown and race day intel.
/ 150 miles, 10,000 feet of climbing, and 98% gravel through the open farm roads of Southeast Nebraska. Here is your complete course breakdown, finishing time benchmarks, and race day intel for the 2026 Lauf Gravel Worlds GW150.
/ IRONMAN Kalmar-Sweden 2026 pairs a Baltic swim with a flat, two-loop 180K bike crossing the exposed Öland Bridge twice and a three-loop marathon finishing in Stortorget. Here's the course breakdown and a Best Bike Split pacing plan.
/ The Leadville Trail 100 MTB 2026 is the Race Across the Sky, but this year it's racing a course nobody has seen before. Wildfire damage west of town has forced Life Time to reroute around Hagerman Pass, Sugarloaf Mountain and Powerline for the first time ever.
/ IRONMAN 70.3 Rio de Janeiro 2026 pairs a Copacabana Beach swim with a technical, tunnel-heavy 90K bike through Rio's Zona Sul and a flat 21.1K run finishing at Marina da Glória. Here's the course breakdown and a Best Bike Split pacing plan.
/ IRONMAN Canada-Ottawa 2026 brings full-distance racing to a national capital: a river swim, a 180 km loop past Embassy Row and the Rideau Canal, and a run finishing at Parliament Hill. Here's the course breakdown and a Best Bike Split pacing plan.
/ IRONMAN Lake Placid 2026 is one of the sport's most iconic and demanding North American courses, with a two-loop, 112-mile ride through the Adirondack Mountains with roughly 7,000 ft of climbing. Here's your bike course breakdown and race power plan.
/ IRONMAN 70.3 Boise 2026 opens with a fast dam descent, rolls through 30+ miles of closed-road Ada County farmland, and finishes with a Greenbelt run. Here's the course breakdown and a Best Bike Split pacing strategy for race day.
/ IRONMAN Frankfurt 2026 is Europe's premier full-distance triathlon — a two-loop, 180 km Taunus bike course with ~1,800m of climbing and the legendary "Der Hammer." Here's your complete bike course breakdown and Best Bike Split race plan guide.
/ IRONMAN France Nice 2026 is a World Championship-pedigree race on the French Riviera — a single-loop, 180 km bike course with ~2,200m of climbing through the pre-Alps. Here's your bike course breakdown and Best Bike Split race plan guide.
/ SBT GRVL Black 2026 is 108 miles of Routt County champagne gravel with 8,189 feet of climbing — one of America's premier gravel races. Here's your complete course breakdown and Best Bike Split race plan guide for Steamboat Springs.
/ BWR Montana 2026 is the Quad-Tripel Crown finale: 115 miles, 8,240 ft of climbing, 16 unroad sectors, and race-deciding singletrack through the Northern Rockies. Here's your complete Waffle course breakdown and Best Bike Split race plan.
/ IRONMAN Hamburg 2026 is one of the fastest full-distance courses in Europe — and its pancake-flat, two-loop bike leg is pure aero execution. Here's a complete bike course breakdown plus how to build your Best Bike Split race plan for race day.
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