IV CxM Silvia Lara 2026
Recommended sun protection
In April UV radiation is moderate to high in exposed mountain areas.
Topical sun protection products specific to trail running: SPF 50+ sport sunscreen resistant to water and sweat, SPF lip balm and after-sun for recovery. At altitude, UV radiation increases by 10-12% per 1,000 metres, making sun protection not an extra but mandatory gear.
Based on historical data from the last 10 years
☀️ 11 hours of sunshine expected. Reapply SPF 50+ every 2 hours.
Recommended products
ISDIN
Race pickISDIN Fotoprotector Fusion Water SPF 50+
Ultralight water-phase facial sunscreen with SPF 50+. Fluid texture that absorbs instantly with no greasy residue, ideal for applying during a race. Water and sweat resistant.
Strengths
- + Ultralight texture, feels invisible on skin
- + Sweat and water resistant
- + Instant absorption, ideal for mid-race reapplication
- + SPF 50+ with UVA/UVB protection
Watch out for
- − Small format (50 ml), may run short on ultras
- − Higher price than conventional sunscreens
Sun Bum
Sun Bum Sunscreen Lip Balm SPF 30
Lip balm with SPF 30 sun protection in stick format. Moisturises and protects lips from sunburn, a spot many runners forget. Coconut flavour, paraben-free.
Strengths
- + Stick format easy to apply mid-race
- + Fits any backpack pocket
- + Moisturising and protective at the same time
- + Paraben and PABA free
Watch out for
- − SPF 30 may fall short at extreme altitude
- − Melts if left in direct sun
Piz Buin
Piz Buin Mountain SPF 50+
Mountain sunscreen with SPF 50+ formulated for extreme altitude conditions. Extra protection against intensified UV radiation and cold wind. Rich texture that protects skin from dehydration.
Strengths
- + Specifically formulated for altitude and cold
- + Protects against wind, snow and sun simultaneously
- + Good value for money
- + Available in compact 20 ml format for backpack
Watch out for
- − Thicker texture, takes longer to absorb
- − May leave white residue on darker skin
Specific tips for IV CxM Silvia Lara
- • Apply sunscreen before the start
- • Exposure is greater at summit level
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