CLICK HERE to view full Warm-up results for the Indianapolis MotoGP.

By the end of today MotoGP champion Marc Marquez will either be the first rider since Giacomo Agostini in 1970 to win the opening ten races, or his unbeaten run will finally be halted.

If warm-up is a sign of things to come it will be the former, with Marquez the only rider to lap below 1m 33s. He did so on six of his nine laps. Consecutively.

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Open class leader Aleix Espargaro was closest, 0.341s from Marquez's best.

Marquez, who has qualified on pole for the eighth time this season, spent most time with the medium-medium tyre options on his Repsol Honda, while Espargaro has the soft rear tyre available.

The soft rubber is also available to the Ducati riders, with Andrea Iannone seventh on the grid but third in warm-up (+0.341s). Espargaro and Iannone's race potential is hard to judge with their pace somewhat erratic.

By contrast Yamaha's Jorge Lorenzo, who will join Marquez and Ducati's Andrea Dovizioso on the front row of the grid, ran a consistent pace in the low 1m 33s. The Spaniard was fourth in the session (+0.366s) using the hard rear and medium front tyre.

Monster Yamaha Tech 3 rookie Pol Espargaro was just 0.047s slower than Lorenzo and looks only a few tenths drift for race pace. Brothers Aleix and Pol will start either side of Valentino Rossi on the second row.

Rossi, runner-up to Marquez on four occasions, also planned to use warm-up to decide on tyre choice for the race.

The nine time world champion rode with the hard rear-medium front combination on his way to seventh (+0.522s). Rossi's average pace was between Lorenzo and Pol Espargaro, setting up the prospect of a close podium battle between the Yamaha riders.

Front row starter Dovizioso was only tenth this morning (+1.2s) while Marquez's team-mate Dani Pedrosa improved from a disappointing eighth in qualifying to sixth (+0.467s). Pedrosa notably ran the hard compound tyres front and rear and looks likely to join the M1 trio in a podium challenge.

Behind Rossi, Bradley Smith (Tech 3 Yamaha) and Stefan Bradl (LCR Honda) completed the top ten.

With overcast skies and a small of rain this afternoon, most riders practiced bike swaps during warm-up.

Warm-up:
1. Marc Marquez
2. Aleix Espargaro
3. Andrea Iannone
4. Jorge Lorenzo
5. Pol Espargaro
6. Dani Pedrosa
7. Valentino Rossi
8. Bradley Smith
9. Stefan Bradl
10. Andrea Dovizioso
11. Yonny Hernandez
12. Scott Redding
13. Alvaro Bautista
14. Hiroshi Aoyama
15. Karel Abraham
16. Cal Crutchlow
17. Danilo Petrucci
18. Colin Edwards
19. Hector Barbera
20. Mike Di Meglio
21. Leon Camier
22. Michael Laverty
23. Broc Parkes