Table:
Rank | Athlete | Nationality | Time
 | Moses Tanui | Kenya | 1:01:45
 | Paul Yego | Kenya | 1:01:46
 | Charles Tangus | Kenya | 1:01:50
4 | Antonio Serrano | Spain | 1:01:56
5 | Josiah Thugwane | South Africa | 1:02:28
6 | Delmir dos Santos | Brazil | 1:02:32
7 | Herder Vázquez | Colombia | 1:02:32
8 | Nobuyuki Sato | Japan | 1:02:36
9 | Yoshifumi Miyamoto | Japan | 1:02:38
10 | Joaquim Pinheiro | Portugal | 1:02:40
11 | Bartolomé Serrano | Spain | 1:02:41
12 | Vincenzo Modica | Italy | 1:02:48
13 | Danilo Goffi | Italy | 1:02:49
14 | Oleg Strizhakov | Russia | 1:02:54
15 | Giacomo Leone | Italy | 1:02:54
16 | Godfrey Muriuki | Kenya | 1:02:59
17 | Pasi Mattila | Finland | 1:03:01
18 | Muhammed Nazipov | Russia | 1:03:02
19 | Pablo Sierra Hermoso | Spain | 1:03:14
20 | Philippe Rémond | France | 1:03:16
21 | Rainer Wachenbrunner | Germany | 1:03:18
22 | Fabián Roncero | Spain | 1:03:21
23 | Meck Mothuli | South Africa | 1:03:25
24 | André Ramos | Brazil | 1:03:26
25 | Masatoshi Ibata | Japan | 1:03:30
26 | Vanderlei de Lima | Brazil | 1:03:36
27 | Abdi Djama | France | 1:03:45
28 | Peter Weilenmann | United States | 1:03:47
29 | Dagne Debela | Ethiopia | 1:03:48
30 | Luca Barzaghi | Italy | 1:03:48
31 | António Rodrigues | Portugal | 1:03:56
32 | Focus Willbroad | Tanzania | 1:03:57
33 | Bob Kempainen | United States | 1:03:58
34 | Klaus-Peter Hansen | Denmark | 1:04:00
35 | Andrea Arlati | Italy | 1:04:09
36 | Steffen Dittmann | Germany | 1:04:11
37 | Takeo Nakahara | Japan | 1:04:11
38 | Joseph LeMay | United States | 1:04:11
39 | Juan Antonio Crespo | Spain | 1:04:12
40 | Lemma Bonsa | Ethiopia | 1:04:14
41 | Carsten Jørgensen | Denmark | 1:04:21
42 | Valeriy Fedotov | Russia | 1:04:24
43 | Sid-Ali Sakhri | Algeria | 1:04:26
44 | Martin McLoughlin | Great Britain | 1:04:27
45 | Santtu Mäkinen | Finland | 1:04:28
46 | Daniel Held | United States | 1:04:30
47 | Kidane Gebrmichael | Ethiopia | 1:04:35
48 | Daniel Böltz | Switzerland | 1:04:38
49 | Bertrand Frechard | France | 1:04:39
50 | Aleksey Korobov | Russia | 1:04:47
51 | David Taylor | Great Britain | 1:04:49
52 | Viktor Chumakov | Belarus | 1:04:50
53 | Kaare Sørensen | Denmark | 1:04:51
54 | Harri Hänninen | Finland | 1:04:52
55 | Mahieddine Belhadj | Algeria | 1:04:54
56 | René Godlieb | Netherlands | 1:05:04
57 | Sergey Romanchuk | Ukraine | 1:05:05
58 | Gerard Kappert | Netherlands | 1:05:07
59 | Kingston Maringe | Zimbabwe | 1:05:12
60 | Abel Chimukoko | Zimbabwe | 1:05:15
61 | Arlindo Macedo | Portugal | 1:05:19
62 | Yann Millon | France | 1:05:20
63 | Andrés Espinosa | Mexico | 1:05:20
64 | Luboš Šubrt | Czech Republic | 1:05:21
65 | Motori Choloo | Tanzania | 1:05:21
66 | Manuel Matias | Portugal | 1:05:23
67 | Roman Kejžar | Slovenia | 1:05:25
68 | Pedro Ortíz | Colombia | 1:05:28
69 | Viktor Rogovoy | Ukraine | 1:05:29
70 | Tolosa Gebre | Ethiopia | 1:05:37
71 | Thorsten Naumann | Germany | 1:05:43
72 | Ronaldo da Costa | Brazil | 1:05:49
73 | Peter van der Velden | Netherlands | 1:05:50
74 | Wodage Zvadya | Israel | 1:05:51
75 | Igor Šalamun | Slovenia | 1:05:53
76 | Ronny Ligneel | Belgium | 1:06:04
77 | Marly Sopyev | Turkmenistan | 1:06:06
78 | Fernando Couto | Portugal | 1:06:13
79 | Marcos Villa | Mexico | 1:06:16
80 | Viktor Korniyenko | Ukraine | 1:06:31
81 | Aleksandr Kostikov | Russia | 1:06:32
82 | Mohamed El-Massoudi | France | 1:06:36
83 | Chris Verbeeck | Belgium | 1:06:37
84 | Julius Ruto | Kenya | 1:06:40
85 | Simon Mphulanyane | South Africa | 1:06:47
86 | Marcelo Cascabelo | Argentina | 1:06:48
87 | Gezahegn Abera | Ethiopia | 1:06:48
88 | Mark Flint | Great Britain | 1:06:49
89 | Seiichi Miyajima | Japan | 1:06:50
90 | Ronald Schut | Netherlands | 1:06:53
91 | Ivo Claes | Belgium | 1:06:59
92 | Khelil Benhalima | Algeria | 1:07:01
93 | Andrey Kovalenko | Belarus | 1:07:05
94 | Mirko Vindiš | Slovenia | 1:07:10
95 | Teppo Jalonen | Finland | 1:07:13
96 | Tayeb Kalloud | Algeria | 1:07:21
97 | Eduardo do Nascimento | Brazil | 1:07:26
98 | Bigboy Goromonzi | Zimbabwe | 1:07:28
99 | Terje Näss | Norway | 1:07:31
100 | Daniel Dasta | Israel | 1:07:37
101 | Peter De Vocht | Belgium | 1:07:40
102 | Chris Dagg | New Zealand | 1:07:41
103 | David Morris | United States | 1:07:48
104 | Bashir Hussain | Great Britain | 1:08:03
105 | Ebrahim Etta-Ati | Iran | 1:08:10
106 | Wilson Theleso | Botswana | 1:08:12
107 | Atadjan Duzdyev | Turkmenistan | 1:08:15
108 | Haja Ramananjatavo | Madagascar | 1:08:25
109 | Ramiz Taipi | Yugoslavia | 1:08:37
110 | Petri Kuusinen | Finland | 1:08:39
111 | Kefemawg Selogilwe | Botswana | 1:08:39
112 | Stéphane Schweickhardt | Switzerland | 1:08:57
113 | Eike Loch | Germany | 1:09:14
114 | Jens Wilky | Germany | 1:09:17
115 | Frederick Baldacchino | Malta | 1:09:26
116 | Ajay Chuttoo | Mauritius | 1:09:29
117 | Linton McKenzie | Jamaica | 1:09:37
118 | Parakhat Kurtgeldiyev | Turkmenistan | 1:09:50
119 | Aleksey Tarasyuk | Belarus | 1:09:59
120 | Geza Grabar | Slovenia | 1:10:13
121 | Robert Sádek | Slovakia | 1:10:24
122 | Edo Janić | Yugoslavia | 1:10:38
123 | Nazim Noorbux | Mauritius | 1:10:40
124 | Hossein Behdouj | Iran | 1:10:44
125 | Prasanna Gamage | Sri Lanka | 1:11:31
126 | Rachamim Gasha | Israel | 1:11:53
127 | Ali Mohammad Vahed-Puor | Iran | 1:11:57
128 | Hossein Fazeli-Sani | Iran | 1:12:49
129 | Benjamin Keleketu | Botswana | 1:13:19
130 | Lee Kar Lun | Hong Kong | 1:13:28
131 | Richard Muscat | Gibraltar | 1:13:54
132 | Colin Graham | Jamaica | 1:14:09
133 | Binesh Prasad | Fiji | 1:15:38
134 | Louis Chichon | Gibraltar | 1:15:44
135 | Paul Levick | Gibraltar | 1:16:19
136 | Kadri Uka | Albania | 1:16:31
137 | Genc Lugja | Albania | 1:16:53
138 | Geront Quirici | Albania | 1:19:06
139 | Andrew Gutzmore | Jamaica | 1:21:43
140 | Edouard Exant | Haiti | 1:28:36
— | Kamal Kohil | Algeria | DNF
— | Antonio Silio | Argentina | DNF
— | Heiki Sarapuu | Estonia | DNF
— | Brian Rushworth | Great Britain | DNF
— | Pablo Cerón | Mexico | DNF
— | Baha Tulumbo | Tanzania | DNF
— | Stevan Stefanović | Yugoslavia | DNF

Question: who was the only contestant from switzerland to place in the top 50?
Answer: Daniel Böltz

Question: calculate the difference between paul yego's time and danilo goffi's time.
Answer: 0:01:03

Question: who finished directly after thugwane?
Answer: Delmir dos Santos

Question: name the russian athlete who finished before leone.
Answer: Oleg Strizhakov

Question: which athlete from kenya participated but came in third place?
Answer: Charles Tangus

Question: which american came in in the least amount of time?
Answer: Peter Weilenmann

Question: who was the only participant to win first place?
Answer: Moses Tanui

Question: how long did it take meck mothuli to finish the race?
Answer: 1:03:25

Question: how many athletes are from kenya?
Answer: 5