The rain came sideways across the Emirates on Tuesday morning, the kind that turns the green mesh of the training ground into something industrial. At the City Football Academy, two hundred miles north, the grass was being cut to exactly 23 millimetres. Arsenal and Manchester City both have their rituals. By Saturday evening, only one of them will still have reason to perform them.

Matchweek 36 is not the end of the Premier League title race. The arithmetic says so. But it is the point where the arithmetic starts to feel like a wall.T1, Premier League

Arsenal, on 80 points, lead by one. City, on 79, have a game in hand and a goal difference that reads like a threat. Liverpool, on 75, are not mathematically out but the men at the AXA Training Centre know what four points in three games looks like when two of the sides above you have not dropped points in a calendar month.

The fixtures, this weekend, tilt the board. Arsenal travel to Bournemouth on Saturday lunchtime. City host Wolverhampton Wanderers at the Etihad, late kick-off. Win and win, and the table holds its shape. Anything else, and the final three weeks of the season become a different kind of conversation.

Mikel Arteta did not look like a man wrestling with the mathematics when he faced the press on Thursday. He said what managers in this position always say: one game at a time, we control what we control. The difference, with Arteta, is that his players seem to believe it. Arsenal have won their last six league matches. They have conceded twice in those six. William Saliba and Gabriel Magalhães have become, in the space of a season, the most settled centre-back pairing in the division. Declan Rice, behind them, has played more minutes than any outfield player in the league. The engine runs. The question, now, is whether it has enough left in the tank for a sprint that was always going to come down to the wire.

Bournemouth will not make it easy. Andoni Iraola’s side have taken points off City, Arsenal and Liverpool at the Vitality Stadium this season. They press high and commit bodies forward, which is the kind of football that can unsettle a title-chasing defence in April, when the pitch is firm and the margins are thin. Arteta will know that. He will also know that Arsenal have won their last six away matches in the league, and that Bukayo Saka, in the last of those, looked sharper than he has since November.

City’s task appears simpler on paper. Wolves sit 11th. They have lost their last three. But Gary O’Neil’s side beat City at Molineux in September, and the memory of that 2-1 lingers in the squad. Pep Guardiola, in his own Thursday briefing, was careful to praise O’Neil’s tactical discipline, which is Guardiola’s way of telling you he has not forgotten either.

The wider picture, though, is what gives this weekend its weight. City have four league games remaining. Arsenal have three. The permutations are not yet endless, but they are enough to make a spreadsheet weep. A City win on Saturday, combined with an Arsenal draw, would put Guardiola’s side top on goal difference with a game to spare. An Arsenal win and a City draw would extend the lead to four with two to play. Every combination has a different temperature. Every result this weekend will be felt differently depending on which seat you are sitting in.

There is a quality to title races at this stage that television does not quite capture. It lives in the press box, in the way a journalist’s fingers hover over the keyboard in the 87th minute. It lives in the stands, in the sound a crowd makes when it has stopped singing and started watching. Arsenal supporters have not been in this position, genuinely in this position, since 2004. City supporters have been here so often that the tension has become almost institutional, a muscle memory of what April and May feel like when the trophy is still in play.

The Premier League’s own predictor game, launched this week, invites supporters to call all ten results in Matchweek 36.T1, Premier League Five points for a correct outcome, ten for an exact score. A hundred-point weekend is possible, theoretically. In practice, the league’s own data suggests that fewer than two per cent of entrants have ever predicted a full matchweek correctly. The game, like the title race, is harder than it looks.

Liverpool will watch from a distance, but not an idle one. Jürgen Klopp’s side face Tottenham at Anfield on Sunday, a fixture that matters for top-four arithmetic even if the title has slipped beyond realistic reach. Spurs, under Ange Postecoglou, are capable of the kind of football that punishes a side looking over its shoulder. Liverpool will not be looking over their shoulder. They will be looking up, at a table that still has three points of daylight in it, which is not nothing, even if it is close.

The final furlong is a phrase that belongs to horse racing, and it fits here because the track is narrowing. Arsenal and City have spent the season running side by side, trading the lead in three-week cycles, each one convinced that the other will blink. Neither has. The blink, if it comes, will come this weekend, or next, or on the final day. The only certainty is that it will come, and that the men on the touchline, and the supporters in the stands, and the journalists in the press box, will all feel it at the same time.

Saturday’s weather forecast for Bournemouth is overcast, 14 degrees. Manchester expects light rain. The football will take care of itself. It always does, in the end.