World record is 41618 meters.

1. Buzz 2 - 40986 m (134468 ft)
2. Horus 15.5 - 40575 m (133120 ft)
3. Bello Mondo 5 - 39854 m (130754 ft)
4. XABEN 16 - 39595 m (129904 ft)
5. Bello Mondo 4 - 39482m (129534ft)
6. Atlas3 - 37033m (121499ft)
7. Apex Alpha - 36645m (120226ft)
8. Cloud2 - 36250m (118930 ft)
9. Nova 19 / Weasel - 36206 m (118785 ft)
10. XABEN 13 - 36013m (118153 ft)
11. HABE 1 - 35824 m (117533 ft)
12. Space Camera Live 1 - 35784m (117283ft)
13. Icarus II Launch 2 - 35289 m (115778 ft)
14. Nova 11 - 35076 m (115078 ft)
15. Icarus III - 35059 m (115022 ft)
16. Buzz1 - 34695 m (113828 ft)
17. Infinity - 34469m / (113087 ft)
18. hadie:4 - 33559m / (110101.7 ft)
19. Nova 7 - 33281 m (109189.6 ft)
20. Xaben 0 (14 ?) - 33206 m ( 108943.2 ft)
21. ALIEN-1 - 33158 m (108786 ft)
22. Nova 8 - 32880 m (107874 ft)
23. Bello Mondo 3 - 32783 m (107556 ft)
24. Nova 6 - 32461 m (106499.3 ft)
25. HAPS-1 - 32337 m (106092 ft)
26. Bello Mondo 2 - 32313 m (106,014 ft)
27. GAGA-1 - 32086 m (105,269 ft)
28. Nova 1 - 32000 m (105000 ft)
29. hadie:3 - 31616 m (103727 ft)
30. Pegasus VI - 31394 m (102998 ft)
31. HoHoHo-1 - 31303 m (x ft)
32. Icarus II Launch 6 - 31228 m (102454 ft)
33. Apex II Launch 1 - 30958m (101568 ft)
34. Cloud 1 - 30114m (98799ft)
35. Cirrus - 29886 m (98050 ft)
36. Apex II Launch 2 - 27692m (90853 ft)
37. UKHAS 1 - 24000 m (78740 ft)
38. MiHAB II - 24000 m (78740 ft)
39. Pegasus I - 20025 m (66585.3 ft)
40. Nova 4 - 20005 m (65633.2 ft) - cutdown as exceeded 45km range
41. Pegasus III - 19495 m (63959 ft)
42. MiHAB I - 3291.84 m (10800 ft)

1. Apex Alpha - >1347km (Last known distance - balloon continued transmitting but no trackers)
2. hadie:4 - 544km

• Apex Alpha - 12hrs 20mins (Last known position - balloon continued transmitting but no trackers)
• BallastHalo 2 - 10hrs 50mins

• Apex Alpha - 9hrs 0mins (Last known position - balloon continued transmitting but no trackers)
• BallastHalo 2 - 7hrs 15mins
• XABEN (4/7/11) - 2hrs 15mins
• BallastHalo 3 - 1hr 10mins

1. Apex Alpha → OZ1SKY - 775.6 km (22/10/2011)
2. Apex Alpha → 2E0UPU - 756.5km (22/10/2011)
3. Apex Alpha → CUSF - 716.8km (22/10/2011)
4. Bello Mondo 4 → 2I0VIM - 570km (01/10/11)
5. GAGA-1 → GM4JTJ - 530km (10/04/11)
6. HoHoHo-I → M0DTS - 463km (01/08/10)
7. BallastHalo 3 → M6DGE - 420km (20/2/10)

1. Apex Alpha → 2E0UPU - 677.9km (22/10/2011)
2. Apex Alpha → CUSF - 659.0km (22/10/2011)
3. hadie:3 → G3VZV - 530km (04/06/2011)

Worldwide Amateur Radio High Altitude Ballooning Flight Records