
At 163 kilometres, the Century is the longest distance at El Tour de Tucson, the biggest cycling event in the American Southwest. The loop runs from the Tucson Convention Center out into the Sonoran Desert and back on closed roads, with only 910 metres of climbing, but a long, barely perceptible drag out to Green Valley that decides the race.
The start is at 07:00 on Cushing Street beside the Convention Center, at about 726 metres. The route leaves Tucson to the south-east, passes Davis-Monthan Air Force Base and runs through Vail and Sahuarita to Green Valley, the southern turning point and, at roughly 900 metres, the high point of the day. The return leg crosses open desert on the west side of the city before the closing kilometres drop back into downtown. The profile is unusual for a 163-kilometre loop: there is no real climb anywhere, but there are 80 kilometres that tilt almost imperceptibly upwards and an equally long stretch that tilts gently back down. The surface is paved throughout, aid stations come roughly every 20 kilometres, and course support closes at 16:30.
| Start | Length | Ø | Max. | Gain | Cat. |
|---|---|---|---|---|---|
| km 42.7 | 0.9 km | 3.8 % | 6.7 % | +35 m | — |
| km 102.8 | 0.3 km | 3.8 % | 6.3 % | +12 m | — |
| km 104 | 0.6 km | 3.1 % | 5.1 % | +18 m | — |
| km 104.7 | 0.3 km | 3.1 % | 4.8 % | +10 m | — |
| km 105.6 | 0.6 km | 3.1 % | 4.9 % | +18 m | — |
| km 111.8 | 1 km | 3.5 % | 4.9 % | +33 m | — |
Climb categories follow the road-cycling convention and rate the terrain itself (length and gradient) regardless of sport: Cat. 4 marks the easiest rated climbs, Cat. 1 the hardest, and HC (hors catégorie, “beyond categorization”) is reserved for the most brutal ascents. Short climbs below the Cat. 4 threshold stay unrated.
With no climbs to break it up, the group is what matters here. Riding in a bunch saves a great deal of power over the long flat sections, and finding and holding a working group counts for more than any climbing number.
Placings are decided on gun time, and the fastest riders go off in the seeded Platinum group at 07:00. Realistic targets: strong riders finish in 4:30 to 5:15, while the broad middle of the field takes 6 to 7 hours.
November desert mornings are cold and the middle of the day is warm: plan clothing you can shed, and drink deliberately from 100 kilometres on.

Preparation targets sustained flat-road output rather than climbing form.
The core is long endurance rides of four to six hours at a steady heart rate, backed by tempo intervals of 15 to 20 minutes just under threshold, precisely the demand the long drag to Green Valley creates.
Anyone chasing a fast time should train in groups: drafting, taking turns, and holding high speed in a bunch.
Two or three four-hour rides using race-day nutrition will settle the fuelling plan.

Download the El Tour de Tucson course as a GPX file for your watch or bike computer.
Ben connects your goal, the course, current load, recovery, and calendar. Your plan stays pointed at race day even when real life is not perfectly plannable.
El Tour de Tucson is 162.9 km long. That distance shapes how much aerobic endurance, pace durability, and race-specific work belong in the training plan.
El Tour de Tucson has around 910 m of elevation gain over 162.9 km. That affects pacing, muscular load, and preparation for late-race sections.
El Tour de Tucson is classified as Flat, averaging 5.6 vertical metres per kilometre. 63% of the route is flat, 18% climbs moderately (2 to 6%) and 0% is steeper than 6%.
The hardest climb of El Tour de Tucson starts at kilometre 42.7, runs for 0.9 km at an average of 3.8% and gains 35 metres. 6 climbs are mapped in total.
Yes, El Tour de Tucson is laid out as a loop: start and finish are in the same place.
Yes. The El Tour de Tucson course is on this page as a free GPX download — ready to import into Garmin, Wahoo, Komoot, Strava or any other app that reads GPX.
Preparation for El Tour de Tucson should account for 162.9 km, 910 m of elevation gain, current training load, and available training time. An adaptive plan helps place key sessions without ignoring recovery and real life.
The pacing strategy for El Tour de Tucson should reflect 162.9 km, 910 m of elevation gain, and your current fitness. Start controlled and keep margin for sections where the profile or fatigue makes target pace harder.
El Tour de Tucson takes place on November 21, 2026.
El Tour de Tucson takes place in Tucson, United States.
El Tour de Tucson offers 3 distances — Century (102 Miles): 162.9 km; Metric Century (62 Miles): 100.8 km; Half Metric Century (32 Miles): 52.6 km.
Registration runs through the organiser: eltourdetucson.org. YOUB shows you the course, elevation profile and training plan for your preparation.