Rio mencatat waktu terbaik 1 menit 57,143 detik pada sesi kualifikasi, Jumat (21/8/2015) siang waktu setempat (malam WIB).
Pebalap Indonesia lainnya, Sean Gelael, akan memulai balapan dari posisi paling belakang, atau ke-25. Waktu putaran terbaik Sean pada sesi ini adalah 1 menit 58,402 detik.
Pole position jadi miik pebalap tuan rumah, Stoffel Vandoorne. Ini merupakan kali kedua secara beruntun Vandoorne merebut pole position di kandang, setelah 2014.
Catatan terbaik pebalap ART tersebut adalah 1 menit 56,278 detik, satu setengah detik lebih cepat dari catatannya tahun lalu.
Barikut hasil sesi kualifikasi GP2 Belgia.
1. Stoffel Vandoorne ART Grand Prix 1:56.278s 134.741mph (8 laps)
2. Oliver Rowland MP Motorsport 1:56.425s 134.572mph + 0.147s (10 laps)
3. Sergey Sirotkin Rapax 1:56.513s 134.470mph + 0.235s (10 laps)
4. Jordan King Racing Engineering 1:56.625s 134.340mph + 0.347s (11 laps)
5. Nobuharu Matsushita ART Grand Prix 1:56.659s 134.301mph + 0.381s (11 laps)
6. Mitch Evans Russian Time 1:56.661s 134.299mph + 0.383s (11 laps)
7. Pierre Gasly DAMS 1:56.701s 134.253mph + 0.423s (10 laps)
8. Alexander Rossi Racing Engineering 1:56.845s 134.088mph + 0.567s (11 laps)
9. Alex Lynn DAMS 1:56.985s 133.927mph + 0.707s (10 laps)
10. Norman Nato Arden International 1:57.019s 133.888mph + 0.741s (12 laps)
11. Rio Haryanto Campos Racing 1:57.143s 133.746mph + 0.865s (10 laps)
12. Raffaele Marciello Trident 1:57.218s 133.661mph + 0.940s (11 laps)
13. Robert Visoiu Rapax 1:57.273s 133.598mph + 0.995s (10 laps)
14. Arthur Pic Campos Racing 1:57.275s 133.596mph + 0.997s (9 laps)
15. Nick Yelloly Hilmer Motorsport 1:57.328s 133.536mph + 1.050s (11 laps)
16. Julián Leal Carlin 1:57.440s 133.408mph + 1.162s (11 laps)
17. Richie Stanaway Status Grand Prix 1:57.528s 133.308mph + 1.250s (10 laps)
18. Sergio Canamasas Lazarus 1:57.560s 133.272mph + 1.282s (10 laps)
19. Nathanaël Berthon Lazarus 1:57.615s 133.210mph + 1.337s (9 laps)
20. André Negrão Arden International 1:57.661s 133.158mph + 1.383s (11 laps)
21. Daniël De Jong MP Motorsport 1:57.746s 133.062mph + 1.468s (11 laps)
22. Artem Markelov Russian Time 1:57.809s 132.990mph + 1.531s (11 laps)
23. Marlon Stöckinger Status Grand Prix 1:58.136s 132.622mph + 1.858s (11 laps)
24. Gustav Malja Trident 1:58.371s 132.359mph + 2.093s (12 laps)
25. Sean Gelael Carlin 1:58.402s 132.324mph + 2.124s (11 laps)
Jadwal GP2 Belgia
Practice: Jumat, 21 Agustus 2015, 16:55 WIB (45 menit)
Qualifying: Jumat, 21 Agustus 2015, 20:55 WIB (30 menit)
Race 1 (Feature Race): Sabtu, 22 Agustus 2015, 20:40 WIB (174,976 km) 25 lap atau 60 menit
Race 2 (Sprint Race): Minggu, 23 Agustus 2015, 15:35 WIB (125,948 km) 18 lap atau 45 menit