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The 111th version of nan Tour de France gets nether measurement successful Florence, Italy connected Saturday, 29 June pinch nan three-week title ending successful Nice connected Sunday, 21 July.
The riders will tackle 7 upland stages including trips to nan Pyrenees and Alps during nan 3,492km (2,170-mile) race.
There will besides beryllium 2 individual clip trials, pinch La Grande Boucle concluding pinch a title against nan timepiece for nan first clip since 1989 - erstwhile Greg LeMond famously pipped Laurent Fignon to nan yellowish jersey by 8 seconds.
BBC Sport looks astatine each shape of nan gruelling 21-stage event, analysing wherever it could beryllium won and lost.
This page will beryllium updated passim nan Tour pinch nan victor and a little study pursuing each stage.
Saturday, 29 June - shape one: Florence - Rimini, 206km
The Grand Depart takes spot successful Italy for nan first clip arsenic Florence plays big to nan Tour.
The lumpy way travels eastbound to Rimini connected nan Adriatic seashore and is 1 of nan toughest opening stages successful caller representation pinch 7 categorised ascents and 3,600m of climbing connected nan paper earlier what could beryllium a accelerated last 25km to nan line.
Sunday, 30 June - shape two: Cesenatico - Bologna, 199.2km
Stage 2 carries nan title crossed nan rolling hills of nan Emilia-Romagna region of bluish Italy to Bologna, via Imola's celebrated centrifugal racing circuit, and complete nan roads that saw Julian Alaphilippe triumph nan World Championships successful 2020.
Two climbs up to nan sanctuary of San Luca - 1.9km astatine a 10.6% gradient - successful nan finale should supply a cleanable launchpad for nan puncheurs successful nan peloton to activity shape glory.
Monday, 1 July - shape three: Plaisance - Turin, 230.8km
Three class 4 climbs do small to change this from being a guaranteed shape for nan sprinters and a first opportunity for Mark Cavendish to declare grounds 35th shape win.
Tuesday, 2 July - shape four: Pinerolo - Valloire, 139.6km
A taxing time successful nan saddle sees nan title displacement from Italy into France and caput 2,000m supra oversea level pinch a transition done Sestrieres.
A long, sloping ascent consecutive up a upland from nan roll-out will hardly beryllium relished by nan sprinters - but will beryllium welcomed by those aiming to shape nan breakaway.
A lengthy descent should supply immoderate respite earlier nan climb up nan Col de Montgenevre and nan mighty Col du Galibier, wherever location will beryllium an opportunity for nan wide classification (GC) riders to laic down an early marker.
Wednesday, 3 July - shape five: Saint-Jean-de-Maurienne - Saint-Vulbas, 177.4km
After an arduous time successful nan Alps, nan GC teams will beryllium contented to let nan sprint teams to return control.
Two comparatively humble climbs connection small encouragement to immoderate would-be escapees and committedness a high-speed finish.
Thursday, 4 July - shape six: Macon - Dijon, 163.5km
For a 2nd time connected nan trot nan sprinters will person thing to get excited about.
The level way that winds done nan vineyards of Burgundy should again discourage a breakaway and culminates successful an 800m dash to nan finishing line.
Friday, 5 July - shape seven: Nuits-Saint-Georges - Gevrey-Chambertin, 25.3km
The first of 2 individual clip tests arrives a 3rd of nan measurement into nan race.
With some Nuits-Saint-Georges and Gevrey-Chambertin famed for their wine-making, expect awesome views arsenic nan GC action heats up connected a short way that seems ideally suited to Remco Evenepoel.
Saturday, 6 July - shape eight: Semur-en-Auxois - Colombey-les-Deux-Eglises, 183.4km
While this shape contains respective short and punchy climbs, nary are lengthy aliases difficult capable to impact nan GC race.
However, if a beardown capable breakaway group gets up nan roadworthy they whitethorn beryllium tin of depriving nan sprinters of a victory.
Sunday, 7 July - shape nine: Troyes - Troyes, 199km
With 14 gravel sections totalling 32km heading successful and retired of Troyes, this is apt to beryllium a tense and breathtaking shape pinch fights for position earlier each achromatic conception of road.
With punctures, mechanical issues and falls each apt to travel into play, splits could good hap betwixt nan GC contenders - peculiarly if nan elements move nasty.
Tuesday, 9 July - shape 10: Orleans to Saint-Amand-Montrond, 187.3km
Unusually location is not a azygous categorised climb connected this parcours, nevertheless Saint-Amand-Montrond's exposed roads are notorious for their echelon-marked finales.
If nan upwind picks up we could beryllium successful for an breathtaking 30km tally into nan decorativeness statement comparable to 2013, erstwhile nan crosswinds helped scatter nan peloton and GC contenders earlier Cavendish claimed victory.
Wednesday, 10 July - shape 11: Evaux-les-Bains to Le Lioran, 211km
The opening 150km sees nan peloton transverse nan rolling terrain of nan Massif Central earlier nan trouble level ramps up pinch 4 categorised climbs successful nan last 50km.
The Col de Neronne is up first earlier riders scope nan constrictive roads of nan Puy Mary Pas de Peyrol and a 2km agelong pinch an mean gradient pushing 12%.
The Col de Pertus and nan Col de Font de Cere quickly travel earlier different ramp up to nan skis edifice of Le Lioran.
Thursday, 11 July - shape 12: Aurillac to Villeneuve-sur-Lot, 203.6km
While nan roadworthy undulates perpetually for nan first 135km of nan shape nan people past flattens retired significantly.
That should supply plentifulness of encouragement for nan sprint-orientated teams albeit connected nan only different 2 occasions a shape has ended successful Villeneuve-sur-Lot - successful 1996 and 2000 - a rider from nan breakaway has triumphed.
Friday, 12 July - shape 13: Agen to Pau, 165.3km
A transitional shape arsenic nan title rolls southbound towards nan Pyrenees.
The GC contenders will look to support themselves safely positioned adjacent nan beforehand of nan peloton earlier nan sprint trains combine for a frantic decorativeness successful Pau.
Saturday, 13 July - shape 14: Pau to Saint-Lary-Soulan Pla d'Adet, 151.9km
The riders caput into nan Pyrenees for nan commencement of a sadistic and important play successful nan wide classification race.
The iconic Col du Tourmalet, nan most-climbed upland successful Tour history, comes first earlier a modern-day regular, nan Hourquette d'Ancizan - climbed six times since 2011 - precedes nan acme decorativeness and gradients of almost 12% connected Pla d'Adet.
Sunday, 14 July - shape 15: Loudenveille to Plateau de Beille, 197.7km
About 4,500 metres of elevation summation crossed 4 class 1 climbs and a 15.8km slog up nan hors categorie Plateau de Beille await connected Bastille Day.
On a immense time astatine nan Tour, only beardown climbers person immoderate dream of succeeding successful a breakaway.
There will besides apt beryllium a beardown location beingness successful immoderate group heading up nan roadworthy pinch nan likes of David Gaudu and Romain Bardet aiming to go nan first French shape victor connected 14 July since Warren Barguil successful 2017.
However, fireworks should besides beryllium expected successful nan yellowish jersey group and Tadej Pogacar and Jonas Vingegaard (if afloat fit) could besides travel into nan picture.
Tuesday, 16 July - shape 16: Gruissan to Nimes, 188.6km
The last week of cycling's top title gets nether measurement pinch a predominantly level tally from Gruissan to Nimes consecutive aft a remainder day.
On a time tailor-made for sprinters, Cavendish will purpose to move backmost nan timepiece and repetition his triumph from his first Tour successful 2008 - successful what is expected to beryllium his last.
Wednesday, 17 July - shape 17: Saint-Paul-Trois-Chateaux to Superdevoluy, 177.8km
Most of nan elevation summation successful this shape is packed wrong a demanding last 40km arsenic nan Tour travels backmost into nan Alps.
The GC riders will apt oculus nan penultimate climb up nan Col du Noyer to motorboat immoderate attacks, though pinch a descent to travel they will request to conception a patient advantage to make their move stick.
Thursday, 18 July - shape 18: Gap to Barcelonnette, 179.5km
The riders recreation done nan foothills of nan Alps and will transverse a number of nan smaller peaks successful readiness for nan 3 pivotal days to follow.
With nan GC riders almost surely keen to prevention power for bigger battles to come, this shape looks perfectly group up for nan breakaway specialists to shine.
Friday, 19 July - shape 19: Embrun to Isola 2000, 144.6km
A dependable opening 20km will do small to hole nan peloton for respective hours of symptom to follow.
An 18.8km slog up nan Col de Vars is nan precursor for nan mythical climb up nan Cime de la Bonette, evoking memories of nan conflict betwixt Tony Rominger and five-time champion Miguel Indurain successful nan 1993 Tour.
At 2,802m it is nan highest constituent successful this year's title and is immoderate 22.9km agelong pinch gradients kicking up into double digits successful nan last section.
The day's last climb to nan skis edifice of Isola 2000 is hardly immoderate much enticing for nan immense mostly of nan riders and will almost surely guarantee much fireworks betwixt those fighting it retired for nan yellowish jersey.
Saturday, 20 July - shape 20: Nice to Col de la Couillole, 132.8km
A short, punishing way pinch almost 4,800m of elevation that is moreover much demanding than nan time earlier greets nan riders connected nan penultimate shape of this year's race.
Given nan gait astatine nan beforehand of nan peloton is apt to beryllium beardown passim nan stage, nan Col de la Couillole seems nan evident segment for immoderate GC battle.
However, rather really things play retired could beryllium wished by existing clip gaps and nan request to conserve power for nan last individual clip trial.
Sunday, 21 July - shape 21: Monaco to Nice, 33.7km
The Tour concludes extracurricular of Paris for nan first clip since 1905 owed to a conflict pinch nan Olympics.
It is besides nan first juncture since 1989 that nan concluding limb of nan Tour has not been a processional affair.
With an 8.1km ascent of La Turbie that averages 5.6% and a short, crisp climb of Col d'Eze hardly making things easy, riders and teams will person to contemplate strategies and imaginable motorcycle switches.
Could location beryllium a duel successful nan sun to determine nan yellowish jersey and podium places successful nan astir melodramatic fashion?