Nike

Tokyo – – September 17, 2026 -- Science in Sport (SiS) has been named the official performance fuel and hydration partner of the Nike After Dark Tour, a seven-city night-running series expected to draw more than 55,000 participants globally in 2026.

SiS and Nike launch first co-branded performance nutrition range

The partnership marks the first time Nike has created a co-branded nutrition range with a performance nutrition company. The collaboration spans energy, hydration and recovery products, backed by a dedicated microsite and participant education program.

Every runner receives a race-specific SiS x Nike Race Pack

All participants across the seven Tour events will be issued a bespoke race pack covering hydration, energy and recovery needs. A limited version of the range will go on public sale in the UK, US and Australia starting September 4, 2026.