Pennsylvania Triathlon Calendar 2025-2026

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Explore the best triathlons in Pennsylvania for 2025-2026! Our updated list features 292 exciting races across the region. Find your next race in Pennsylvania below and join the running community at these great events!

December 2025
Dec
7
Sunday

Funky Santa 5K

5 km
Dec
7
Sunday

Nittany Valley Half-Marathon

13 mi
Dec
13
Saturday

Frozen Hare

Aquathlon
Dec
13
Saturday

Christmas City Classic 5K

5 km
Dec
13
Saturday

10K at Stillmeadow Park

5 km 10 km
Dec
13
Saturday

Reindeer Romp - Havertown

5 km
Dec
13
Saturday

Tame the Tower Trail Challenge

Trail Run 5 mi 10 mi
Dec
13
Saturday

Run Santa Run - Cranberry Twp.

5 km
Dec
14
Sunday

Naked Nick

Trail Run 25 km 50 km
Dec
20
Saturday

10k at Loyd H Roland Memorial Park

5 km 10 km
Dec
27
Saturday

Half Marathon at Lime Bluff Park

5 km 10 km 13 mi
Dec
27
Saturday

The Last Mile

5 mi
Dec
27
Saturday

10k at Lancaster Junction Trail

5 km 10 km
Dec
31
Wednesday

Twilight Race

2 mi 5 km
Dec
31
Wednesday

Harmony Silvester

5 km
January 2026
Jan
1
Thursday

Lehigh Valley New Year's Chaser: Half Marathon

5 km 10 km 13 mi
Jan
10
Saturday

North Park Half Marathon

13 mi
February 2026
Feb
8
Sunday

For the Love of Max

5 km
Feb
14
Saturday

Cupid's Chase Philadelphia

5 km
Feb
14
Saturday

Cupid's Chase King of Prussia

5 km
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