Popular sports: North America
11 events
Endurance races calendar 2025 - 2026 in California - Castro Valley
Brazen New Year Runs
Castro Valley, United States
01 Jan, 2026 (Thu)
Trail running
5.2 km, 10.3 km, 21.1 km
Walking
21.2 km
Chabot/Redtail Ridge Trail Run
Castro Valley, United States
21 Feb, 2026 (Sat)
Trail running
5 km, 10 km, 21.1 km, 30 km, 50 km
SPASM Lake Chabot Trail Run
Castro Valley, United States
11 Apr, 2026 (Sat)
Trail running
8 km, 21.0975 km, 28.8 km, 42.2 km, 49.9 km
Skyline 50k Endurance Run
Castro Valley, United States
02 Aug, 2026 (Sun)
Trail running
21 km, 50 km
Recommended for you
See moreBrazen Almost New Year's Eve
Castro Valley, United States
28 Dec, 2024 (Sat)
Running
5 km, 10 km, 21.0975 km
Lake Chabot Trail Challenge - Half Marathon & 5K
Castro Valley, United States
01 Jun, 2025 (Sun)
Trail running
5 km, 21.0975 km
The Rock the Loch 5K/10K/Half Marathon
Castro Valley, United States
29 Jun, 2025 (Sun)
Trail running
10 km, 21.1 km
Running
5 km
Dick Collins Firetrails
Castro Valley, United States
27 Sep, 2025 (Sat)
Trail running
30 km, 42.195 km, 80.5 km, 100 km
Best of the Bay CRC Double Century
Castro Valley, United States
04 Oct, 2025 (Sat)
Cycling
169 km, 317 km
Lake Chabot Trail Run
Castro Valley, United States
08 Nov, 2025 (Sat)
Trail running
7.7 km, 21.0975 km, 30 km, 42.2 km, 50 km
Running
45.1 m, 3.2 km, 5 km
Bestsellers
4.7
Generali Malaga Marathon
Málaga, Spain
13-14 Dec, 2025 (Sat - Sun)
Running
From 18 EUR
Up to 15% off
4.8
Glendalough Lap of the Gap Marathon
Laragh, Ireland
23 May, 2026 (Sat)
Running
From 58 EUR68 EUR
Up to 15% off
4.7
adidas Stockholm Half Marathon
Stockholm, Sweden
29 Aug, 2026 (Sat)
Running
From 77 EUR90 EUR
3.6
Map
Ayia Napa Half Marathon
Ayia Napa, Cyprus
21 Dec, 2025 (Sun)
Running
From 20 EUR
4.5
Run Rome the Marathon
Rome, Italy
21-22 Mar, 2026 (Sat - Sun)
Running
From 129 EUR
4
Leiden Marathon
Leiden, Netherlands
10 May, 2026 (Sun)
Running
From 16 EUR
4.7
6 Lakes
Fjällnora, Sweden
15 Aug, 2026 (Sat)
Trail running
From 9 EUR
4.3
Half Marathon San Sebastián Rural Kutxa
San Sebastián, Spain
04 Oct, 2026 (Sun)
Running
From 32 EUR
4.3
Vilnius Half Marathon
Vilnius, Lithuania
23 May, 2026 (Sat)
Running
From 11 EUR
Up to 20% off
3.5
Angkor Empire Marathon
Siem Reap, Cambodia
02 Aug, 2026 (Sun)
Running
From 17 EUR22 EUR
Up to 21% off
4.6
TotalEnergies Malaga Half Marathon
Málaga, Spain
15 Mar, 2026 (Sun)
Running
From 38 EUR48 EUR
Up to 29% off
3.8
Phnom Penh International Half Marathon
Sangkat Wat Phnom, Cambodia
14 Jun, 2026 (Sun)
Running
From 17 EUR22 EUR
Up to 19% off
4.3
Chiang Mai Marathon
Chiang Mai, Thailand
21 Dec, 2025 (Sun)
Running
From 16 EUR19 EUR
4.1
Bangkok Midnight Marathon
Bangkok, Thailand
21 Dec, 2025 (Sun)
Running
From 19 EUR
3.6
Ras Al Khaimah Half Marathon
Khuzam, United Arab Emirates
14 Feb, 2026 (Sat)
Running
From 9 EUR
4.7
Antalya International Marathon
Antalya, Turkey
05 Apr, 2026 (Sun)
Running
From 28 EUR
Up to 25% off
4.2
LifeStar Malta Marathon
Mdina, Malta
22 Feb, 2026 (Sun)
Running, Walking
From 25 EUR30 EUR
Up to 36% off
4.5
Comtrade Belgrade Marathon
Stari Grad Urban Municipality, Serbia
18-19 Apr, 2026 (Sat - Sun)
Running
From 35 EUR55 EUR
5
Run the Ridge
Laragh, Ireland
15 Aug, 2026 (Sat)
Running, Trail running
From 10 EUR
Up to 21% off
3.8
Experience Oman Muscat Marathon
Muttrah, Oman
23-24 Jan, 2026 (Fri - Sat)
Running
From 16 EUR21 EUR
This week’s best deals
Up to 64% off
5
Douro Vinhateiro Half Marathon
Peso da Régua, Portugal
24 May, 2026 (Sun)
Walking, Running
From 10 EUR17 EUR
Up to 50% off
5
Portofino Marathon
Santa Margherita Ligure, Italy
18 Jan, 2026 (Sun)
Running
From 45 EUR90 EUR
Up to 50% off
4.7
Europe Marathon - Aveiro
Aveiro, Portugal
25-26 Apr, 2026 (Sat - Sun)
Running, Walking
From 12 EUR20 EUR
Up to 50% off
Watermelon Dash Austin
Round Rock, United States
22 Aug, 2026 (Sat)
Running
From 13 EUR26 EUR
Up to 50% off
Watermelon Dash Dallas
Dallas, United States
23 Aug, 2026 (Sun)
Running
From 13 EUR26 EUR
Up to 49% off
Västerås Swimrun
Västerås, Sweden
15 Aug, 2026 (Sat)
Swimrun
From 91 EUR159 EUR
Up to 47% off
Alpe Adria Winter Ultra
Pezzeit, Italy
01 Feb, 2026 (Sun)
Trail running
From 8 EUR15 EUR
Up to 46% off
TAUT - Terras Do Ancião Ultra Trail
Ansião, Portugal
26-28 Feb, 2026 (Thu - Sat)
Trail running
From 13 EUR19 EUR
Up to 44% off
4.5
Ibiza Half Marathon
Sant Joan de Labritja, Spain
11 Apr, 2026 (Sat)
Running
From 25 EUR45 EUR
Up to 43% off
Marina Double 15K, Marina 10K, UjENA 5K
Dearing, United States
21 Mar, 2026 (Sat)
Trail running
From 13 EUR17 EUR
Up to 43% off
Run Port Douglas
Port Douglas, Australia
06 Sep, 2026 (Sun)
Running
From 17 EUR26 EUR
Up to 43% off
Hobart Airport Marathon Festival
Hobart, Australia
12 Apr, 2026 (Sun)
Running
From 20 EUR29 EUR
Up to 43% off
CraftHalf Half Marathon & 5K
Winston-Salem, United States
04 Apr, 2026 (Sat)
Running
From 17 EUR30 EUR
Up to 43% off
4.5
Map
Half Marathon Magaluf
Cala Vinyes, Spain
18 Apr, 2026 (Sat)
Running
From 20 EUR35 EUR
Up to 42% off
4
Lisbon Eco Marathon
Lisbon, Portugal
12 Apr, 2026 (Sun)
Walking, Trail running
From 7 EUR12 EUR
Up to 41% off
5
Map
Ultra Blue Island by Azores Trail Run
Horta, Portugal
01-02 May, 2026 (Fri - Sat)
Trail running
From 30 EUR40 EUR
Up to 41% off
AKHA Trail
Mae Sai, Thailand
01-02 Aug, 2026 (Sat - Sun)
Trail running
From 30 EUR51 EUR
Up to 40% off
5
IR's New Year's Eve Race
Reykjavik, Iceland
31 Dec, 2025 (Wed)
Running
From 9 EUR13 EUR
Up to 40% off
4
Lidl São Silvestre City of Porto
Porto, Portugal
28 Dec, 2025 (Sun)
Running
From 12 EUR20 EUR
Up to 40% off
Terre di Siena Ultramarathon
San Gimignano, Italy
01 Mar, 2026 (Sun)
Running
From 15 EUR25 EUR
Registration just opened
Up to 33% off
5
Chianti Classico Marathon
Mercatale in Val di Pesa, Italy
10 May, 2026 (Sun)
Trail running, Nordic walking
From 10 EUR
4.4
DKV-UrbanTrail
Luxembourg, Luxembourg
19 Apr, 2026 (Sun)
Trail running
From 30 EUR
10K Rotary Elche
Elche, Spain
08 Feb, 2026 (Sun)
Running
From 15 EUR
Scenic Trail - Ticino
Sala Capriasca, Switzerland
12-14 Jun, 2026 (Fri - Sun)
Trail running
From 59 EUR
Up to 30% off
Pirin Ultra
Bansko, Bulgaria
11-13 Sep, 2026 (Fri - Sun)
Trail running
From 48 EUR63 EUR
Up to 27% off
5
Maratona Internacional De Floripa
Florianópolis, Brazil
29-30 Aug, 2026 (Sat - Sun)
Running
From 28 EUR38 EUR
5
Merrell Whale of Trail
South Africa, South Africa
15 Aug, 2026 (Sat)
Trail running
From 259 EUR
Up to 47% off
Alpe Adria Winter Ultra
Pezzeit, Italy
01 Feb, 2026 (Sun)
Trail running
From 8 EUR15 EUR
The Innocent Half
Edinburgh, United Kingdom
08 Feb, 2026 (Sun)
Trail running
From 27 EUR
Hobbit 90km Journey
Maden Dam, South Africa
25-27 Apr, 2026 (Sat - Mon)
Trail running
From 10 EUR
Malbun Marathon
Triesenberg, Liechtenstein
23 May, 2026 (Sat)
Running
From 40 EUR
Up to 18% off
Segura Extreme Triathlon
Villanueva del Arzobispo, Spain
30 May, 2026 (Sat)
Triathlon
From 260 EUR300 EUR
4.7
SPAR Budapest Marathon
Budapest, Hungary
10-11 Oct, 2026 (Sat - Sun)
Running
From 85 EUR
Up to 38% off
4.8
Telekom Vivicitta Budapest Spring Half Marathon
Budapest, Hungary
21-22 Mar, 2026 (Sat - Sun)
Running
From 19 EUR30 EUR
Up to 32% off
4.5
Wizz Air Budapest Half Marathon
Budapest, Hungary
06 Sep, 2026 (Sun)
Running
From 65 EUR95 EUR
Up to 25% off
5
Triglav Trail Race
Dovje, Slovenia
22 Aug, 2026 (Sat)
Trail running
From 60 EUR80 EUR
Jurassic Coast Challenge
Weymouth, United Kingdom
27-29 Mar, 2026 (Fri - Sun)
Trail running
From 86 EUR
Jurassic Coast Ultra
Fortuneswell, United Kingdom
28 Mar, 2026 (Sat)
Trail running
From 104 EUR
Blair Castle Trail Weekender
Kinnaird, United Kingdom
30-31 May, 2026 (Sat - Sun)
Trail running
From 58 EUR
Bali Hope Swimrun
, Indonesia
23 Sep, 2026 (Wed)
Swimrun
From 854 EUR
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