Here are the World Solar Challenge GPS positions as at **16:24 Wednesday October 21 (Darwin time)** – Day 4 of the race. Calculated road distances below are approximate, based on interpolation between the known road distances to control stops. The second road distance shown (in grey) is adjusted to compensate for GPS delays.

In the Challenger class, Nuon (3) has taken the lead from Twente (21). Among the Cruisers, Kogakuin (88) is only slightly ahead of Eindhoven (40), but that is after starting fresh from Alice this morning. Kogakuin still clocked up an advantage in days 1 to 3 that Eindhoven needs to take back. There continues to be confusion about which teams have trailered. See the tracker page, timing board, and social media for continued updates.

3 |
Nuon (Nuna8, Challenger) |
Approx 2791 km from Darwin | 92 km/h | (Adjusted 2793 km from Darwin) |

21 |
Twente (Red One, Challenger) |
8 km behind Nuon | 92 km/h | (6 km behind Nuon) |

2 |
Michigan (Aurum, Challenger) |
72 km behind Nuon | 88 km/h | (74 km behind Nuon) |

10 |
Tokai (Tokai Challenger, Challenger) |
72 km behind Nuon | 88 km/h | (74 km behind Nuon) |

8 |
Punch (Punch One, Challenger) |
128 km behind Nuon | 86 km/h | (120 km behind Nuon) |

16 |
Stanford (Arctan, Challenger) |
249 km behind Nuon | 82 km/h | (250 km behind Nuon) |

23 |
Kecskemét (MegaLux, Challenger) |
337 km behind Nuon | 80 km/h | (336 km behind Nuon) |

30 |
Arrow (Arrow1-GT, Challenger) |
378 km behind Nuon | 77 km/h | (377 km behind Nuon) |

5 |
EAFIT (Primavera, Challenger) |
441 km behind Nuon | 75 km/h | (436 km behind Nuon) |

13 |
Western Sydney (Unlimited, Challenger) |
549 km behind Nuon | 71 km/h | (549 km behind Nuon) |

77 |
Blue Sky (Horizon, Challenger) |
591 km behind Nuon | 70 km/h | (587 km behind Nuon) |

17 |
NWU (Sirius X25, Challenger) |
598 km behind Nuon | 70 km/h | (595 km behind Nuon) |

14 |
UKZN (Hulamin, Challenger) |
612 km behind Nuon | 70 km/h | (604 km behind Nuon) |

47 |
Nagoya (Horizon Z, Challenger) |
674 km behind Nuon | 67 km/h | (668 km behind Nuon) |

25 |
Goko (Musoushin, Challenger) |
687 km behind Nuon | 66 km/h | (688 km behind Nuon) |

46 |
JU (Solbritt, Challenger) |
714 km behind Nuon | 66 km/h | (692 km behind Nuon) |

88 |
Kogakuin (OWL, Cruiser) |
699 km behind Nuon | 66 km/h | (701 km behind Nuon) |

40 |
Eindhoven (Stella Lux, Cruiser) |
704 km behind Nuon | 65 km/h | (706 km behind Nuon) |

11 |
Bochum (SunRiser, Cruiser) |
785 km behind Nuon | 63 km/h | (787 km behind Nuon) |

7 |
MIT (Arcturus, Challenger) |
838 km behind Nuon | 62 km/h | (828 km behind Nuon) |

75 |
Sunswift (eVe, Cruiser) |
834 km behind Nuon | 61 km/h | (836 km behind Nuon) |

9 |
Adelaide (Lumen, Challenger) |
848 km behind Nuon | 61 km/h | (842 km behind Nuon) |

33 |
HK IVE (Sophie V, Cruiser) |
870 km behind Nuon | 60 km/h | (Trailered) |

45 |
Lodz (Eagle One, Cruiser) |
883 km behind Nuon | 60 km/h | (Trailered) |

32 |
Principia (Ra 9, Challenger) |
903 km behind Nuon | 59 km/h | (903 km behind Nuon) |

80 |
Beijing (Sunshuttle II, Challenger) |
910 km behind Nuon | 59 km/h | (906 km behind Nuon) |

51 |
Kanazawa (Golden Eagle 5.1, Challenger) |
910 km behind Nuon | 59 km/h | (907 km behind Nuon) |

12 |
Cambridge (Evolution, Challenger) |
955 km behind Nuon | 58 km/h | (Trailered) |

28 |
Singapore (SunSPEC4, Cruiser) |
957 km behind Nuon | 58 km/h | (Trailered) |

36 |
Anadolu (Sunatolia 2, Challenger) |
996 km behind Nuon | 56 km/h | (993 km behind Nuon) |

38 |
Tehran (Persian Gazelle III, Cruiser) |
997 km behind Nuon | 56 km/h | (Trailered) |

35 |
Minnesota (Eos, Cruiser) |
1021 km behind Nuon | 55 km/h | (1023 km behind Nuon) |

82 |
KUST (Baek-Ho, Challenger) |
1067 km behind Nuon | 53 km/h | (1065 km behind Nuon) |

31 |
ITS (Widya Wahana V, Cruiser) |
1094 km behind Nuon | 53 km/h | (Trailered) |

20 |
Houston (Sundancer, Adventure) |
1119 km behind Nuon | 52 km/h | (Withdrawn) |

34 |
Liberty (Solis Bellator, Adventure) |
1153 km behind Nuon | 51 km/h | (Withdrawn) |

15 |
Solaris (DesTech Solaris, Challenger) |
1258 km behind Nuon | 47 km/h | (Trailered) |

43 |
Ardingly (Ardingly Solar Car, Cruiser) |
1291 km behind Nuon | 174 km/h | (Trailered) |

18 |
EcoPhoton (Stingray, Challenger) |
1292 km behind Nuon | 63 km/h | (Trailered) |

26 |
Durham (DUSC2015, Challenger) |
1295 km behind Nuon | 46 km/h | (Trailered) |

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If i’m correct, Nuon Solar Team is just 3,6 km short of there last stop in the 2013 race.

https://www.google.com.au/maps/dir/-33.5376353,138.2159253/-33.5156787,138.1889501/@-33.5220831,138.1807962,14z

Team Twente is only 12,5km behind, depending on time gap in which they can stop around 17.00 could it be a bit more or less

https://www.google.com.au/maps/dir/-33.411717,138.1626323/-33.5156787,138.1889501/@-33.4752168,138.1829527,17498m/data=!3m1!1e3

Only 166 km to the finish line (Twente). Can they overtake 1 more time and stay in the lead?

Traffic is higher and dual road starts at Port Wakefield (only 74 km from the finish line)

So there average speed should be around 9 km/h higher then Nuon Solar Team.

Al assuming that the timed Finish line is here https://www.google.nl/maps/place/34%C2%B043'37.8%22S+138%C2%B034'51.4%22E/@-34.7271689,138.5803928,269m/data=!3m2!1e3!4b1!4m2!3m1!1s0x0:0x0?hl=nl

Hint i got in 2013 (http://www.solarracing.org/2013/10/09/end-of-racing-day-4-team-update/#comment-4791), quick glance at http://www.worldsolarchallenge.org/files/556_2015_bwsc_route_notes_final_low_res.pdf did not clear it to me.

Some nice grafic for that Tony?

The route notes do not mention a timed finish line outside Adelaide, and I am assuming there isn’t one this year, although I haven’t been able to get a confirmation on this from WSC.

I have just posted a graphic with a very rough ETA prediction (I could do better if I used GPS data, but I need to sleep).

I did not notice if the teams moved after 5pm yesterday so I could be barking up the wrong tree here. However, if the teams are camping in their finishing positions then Nuon are a bit further down the road than you suggest.

The route notes have Redhill at 2848km and the Port Broughton turn at 2839km. Nuon are at approx 2/3 distance between the two so should be at around 2845km.