Athletes who complete the Challenge of riding 100mi in a single ride will receive a SiS Summer 100 Challenge digital finishers badge in their Trophy Case.
In addition, participants will also earn a generous 25% off coupon for use at Science in Sport.
PLEASE NOTE: SiS ships to most parts of the world, excluding the US & Australia. You can review their list of supported countries at the bottom of the Official Rules section to see if your location is supported.
The coupon will be emailed to eligible participants by September 5th, and will expire on September 30th.
Afghanistan | AF |
Antarctica | AQ |
Argentina | AR |
Austria | AT |
Belgium | BE |
Bouvet Island | BV |
British Indian Ocean Territory | IO |
Bulgaria | BG |
Canada | CA |
Chile | CL |
Colombia | CO |
Cuba | CU |
Cyprus | CY |
Czech Republic | CZ |
Denmark | DK |
Estonia | AT |
Faroe Islands | FO |
Finland | FI |
France | FR |
French Southern Territories | TF |
Gabon | GA |
Gambia | GM |
Georgia | GE |
Germany | DE |
Ghana | GH |
Gibraltar | GI |
Greece | GR |
Greenland | GL |
Grenada | GD |
Guadeloupe | GT |
Guatemala | GT |
Guernsey | GG |
Guinea | GN |
Guinea-Bissau | GW |
Guyana | GY |
Haiti | HT |
Heard Island And McDonald Islands | HM |
Holy See (Vatican City State) | VA |
Honduras | HN |
Hong Kong | HK |
Hungary | HU |
Iceland | IS |
India | IN |
Indonesia | ID |
Iran | IR |
Iraq | IQ |
Ireland | IE |
Isle Of Man | IM |
Italy | IT |
Jamaica | JA |
Jersey | JE |
Kazakhstan | KZ |
Kenya | KE |
Korea | KR |
Kuwait | KW |
Kyrgyzstan | KG |
Lao People's Democratic Republic | LA |
Latvia | LV |
Lebanon | LB |
Lesotho | LS |
Liberia | LR |
Libyan Arab Jamahiriya | LY |
Liechtenstein | LI |
Lithuania | LT |
Luxembourg | LU |
Macao | MO |
Macedonia | MK |
Madagascar | MG |
Malawi | MW |
Malaysia | MY |
Maldives | MV |
Mali | ML |
Malta | MT |
Malta | MT |
Marshall Islands | MH |
Marshall Islands | MH |
Martinique | MQ |
Mauritania | MR |
Mayotte | YT |
Mayotte | YT |
Mayotte | YT |
Mayotte | YT |
Mayotte | YT |
Mexico | MX |
Micronesia | FM |
Moldova | MD |
Monaco | MC |
Mongolia | MN |
Montenegro | ME |
Montserrat | MS |
Morocco | MA |
Mozambique | MZ |
Myanmar | MM |
Namibia | NA |
Nauru | NR |
Nepal | NP |
Netherlands | NL |
Netherlands Antilles | AN |
New Caledonia | NC |
New Zealand | NZ |
Nicaragua | NI |
Niger | NE |
Nigeria | NG |
Niue | NU |
Niue | NU |
Norfolk Island | NF |
North Korea | KP |
Northern Mariana Islands | MP |
Norway | NO |
Oman | OM |
Pakistan | PK |
Palau | PW |
Palestinian | PS |
Panama | PA |
Papua New Guinea | PG |
Paraguay | PY |
Peru | PE |
Philippines | PH |
Pitcairn | PN |
Poland | PL |
Portugal | PT |
Puerto Rico | PR |
Qatar | QA |
Romania | RO |
Russia | Ru |
Rwanda | RW |
Saint Helena | SH |
Saint Kitts and Nevis | KN |
Saint Kitts and Nevis | KN |
Saint Lucia | LC |
Saint Martin | MF |
Saint Pierre And Miquelon | PM |
Saint Vincent and the Grenadines | VC |
Samoa | WS |
San Marino | SM |
Sao Tome and Principe | ST |
Saudi Arabia | SA |
Serbia | RS |
Seychelles | SC |
Sierra Leone | SL |
Singapore | SG |
Slovakia | SK |
Slovenia | SI |
Solomon Islands | SB |
Somalia | SO |
South Africa | ZA |
South Georgia And The South Sandwich Islands | GS |
Spain | ES |
Sri Lanka | LK |
Sudan | SD |
Suriname | SR |
Swaziland | SZ |
Sweden | SE |
Switzerland | CH |
Syrian Arab Republic | SY |
Taiwan | TW |
Tajikistan | TJ |
Tanzania | TZ |
Thailand | TH |
Timor-Leste | TL |
Togo | TG |
Tokelau | TK |
Tonga | TO |
Trinidad and Tobago | TT |
Tunisia | TN |
Turkey | TR |
Turkmenistan | TM |
Turks and Caicos Islands | TC |
Tuvalu | TV |
Uganda | UG |
Ukraine | UA |
United Arab Emirates | AE |
United Kingdom | GB |
Uruguay | UY |
Uzbekistan | UZ |
Vanuatu | VU |
Venezuela | VE |
Vietnam | VN |
Virgin Islands | VI |
Wallis and Futuna | WF |
Western Sahara | EH |
Yemen | YE |
Zambia | ZM |
Zimbabwe | ZW |