Sat, Sep 26, 2026 · 8:30 AM · Colebrook, CT
Hogsback Half Marathon
Half MarathonCertified course · per organizer
- Price
- $60
Running races in Connecticut
Upcoming running races in Connecticut. We show what's actually known about each one and mark the rest as unknown.
Race results
Showing 60+ of 178 races · loading the full list…
Sat, Sep 26, 2026 · 10:00 AM · North Stonington, CT
No Sto Defeats MSA 5K Trail Race and Fitness Walk
1M5K
- Price
- $32.80
- Field size
- 125 · based on the organizer's entry cap
Sat, Sep 26, 2026 · 10:00 AM · Simsbury, CT
The River Run
1M5K10KCertified course · per organizer
- Price
- Free-$40
Sat, Sep 26, 2026 · 10:30 AM · Woodbridge, CT
Woodbridge 5k
5Kflat and fastCertified course · per organizer
- Price
- $43.40
Sat, Sep 26, 2026 · 10:00 AM · East Hartford, CT
Together We Run for Education Charity Road Race
1.5M5K
- Price
- $17.90-$39.10
Sat, Sep 26, 2026 · 10:00 AM · Redding, CT
Hayfield Hustle and Oktoberfest at New Pond Farm Education Center
1K5K5M
- Price
- $27.50-$48.70
Sat, Sep 26, 2026 · 10:00 AM · Portland, CT
Come on Over 5K and 2.1 Mile Fitness Walk
2.1M5K
- Price
- $22.20-$32.80
Sun, Sep 27, 2026 · 10:30 AM · Sterling, CT
Moosup Valley 5k, 8K and 10K All Trail Race
5K10K
- Price
- Free-$49
Sun, Sep 27, 2026 · 3:30 PM · West Hartford, CT
Zoomerangs! Kids Running Program
- Price
- $54
Sun, Sep 27, 2026 · 7:00 AM · Old Greenwich, CT
HSS Greenwich Half Marathon
Half Marathon
- Price
- $89.45
- Field size
- 1,070 · based on the organizer's entry cap
Sun, Sep 27, 2026 · 10:00 AM · Southport, CT
The 39th Bigelow Tea Community Challenge
1M3K5K
- Price
- $17.40-$43.90
Thu, Oct 1, 2026 · 12:00 PM · Mohawk Mtn Ski Area, Cornwall, CT
IronHike Mohawk Mountain Fall Series 2026
15M28.75M29MUltra
- Price
- $180-$2,520
Thu, Oct 1, 2026 · 12:00 AM · Cornwall, CT
IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra
Ultra
- Price
- $1,495
Thu, Oct 1, 2026 · 12:00 AM · Cornwall, CT
IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Trail Buddy Flex Relay (2 Mountain Athletes) - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra
Ultra
- Price
- $2,551.08
Thu, Oct 1, 2026 · 12:00 PM · Cornwall, CT
Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.
Ultra
- Price
- Free
Thu, Oct 1, 2026 · 12:00 PM · Cornwall, CT
Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.
Ultra
- Price
- Free
Thu, Oct 1, 2026 · 12:00 AM · Cornwall, CT
Answer the Bell Full - 100 Mile + (100 Miler) - Complete a 1.2 mile, 600 foot loop every hour, on the hour, for up to 84 hours, until you can no longer answer the bell. - Elevation Endurance Ultra Backyard Trail Marathon - 100 + Miles | 84 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, hike, or walk with us as we redefine race day.
Ultra
- Price
- Free
Fri, Oct 2, 2026 · 9:00 AM · Seymour, CT
Pounding the Pavement for Pink Races
1M5KWalker-friendly · per organizer
- Price
- $16.90-$54
Fri, Oct 2, 2026 · 12:00 PM · Cornwall, CT
Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.
Ultra
- Price
- Free
Fri, Oct 2, 2026 · 12:00 PM · Cornwall, CT
Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.
Ultra
- Price
- Free
28M
- Price
- Free
28M
- Price
- Free
Sat, Oct 3, 2026 · 12:00 PM · Cornwall, CT
IronHike Kuwohi | Run, Power Hike, Walk. Solo | Start Here | Mohawk Mountain, Connecticut | 15 Miles | 7,140' Elevation | 12-Hour | Fall October - 7,140 feet of elevation gain across 12 laps on Mohawk Mountain Trail, the entry point for first time Mountain Athletes. - Elevation Endurance Half Marathon - We are redefining race day. Tags: Iron Hike, Trail Half Marathon Plus, Half Marathon, 15 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Beginner Endurance
15M
- Price
- $154.70
15M
- Price
- Free
Sat, Oct 3, 2026 · 8:30 AM · Roxbury, CT
Roxbury Road Race Series #29
- Price
- $10
Sat, Oct 3, 2026 · 10:00 AM · Colchester, CT
Salmon River 5.5 Mile Run
5.5M
- Price
- $38.10
- Field size
- 400 · based on the organizer's entry cap
2M
- Price
- Free-$30
Sun, Oct 4, 2026 · 8:30 AM · Norwalk, CT
Garavel SoNo Half Marathon | 5K
1M5KHalf Marathon
- Price
- Free-$96.40
- Field size
- 1,579 · based on the organizer's entry cap
Sun, Oct 4, 2026 · 11:00 AM · Norfolk, CT
Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge
5K10KHalf Marathon
- Price
- $27.50-$38.10
Sun, Oct 4, 2026 · 10:30 AM · Groton, CT
2026 Groton Memorial Walk & Kids' Fun Run
- Price
- $11.60-$32.80
Sun, Oct 4, 2026 · 9:00 AM · Farmington, CT
Big Sky 5K and Kids 1 mile Dash
1M5K
- Price
- $11.60-$32.80
- Field size
- 449 · based on the organizer's entry cap
Sun, Oct 4, 2026 · 9:00 AM · Wallingford, CT
Fishbein / YMCA Community Road Race
1K1M5K
- Price
- $6.30-$38.10
Sun, Oct 4, 2026 · 10:30 AM · Weatogue, CT
13th Annual Run Back to School 5K, 1 Mile Race & Fun Run
1M5K
- Price
- $17.40-$28
Sat, Oct 10, 2026 · 8:00 AM · Harwinton, CT
4th Annual Pumpkin Run Harwinton 5K & Kids Dash
5K
- Price
- $6.30-$32.80
Sat, Oct 10, 2026 · 8:30 AM · Roxbury, CT
Roxbury Road Race Series #30
- Price
- $10
Sun, Oct 11, 2026 · 9:30 AM · New Haven, CT
Benhaven Walk for Autism
- Price
- $26.84
- Field size
- 400 · based on the organizer's entry cap
Sat, Oct 17, 2026 · 8:30 AM · Bridgeport, CT
Tunnel to Towers 5K Run & Walk - Bridgeport, CT
5K
- Price
- Free-$40
- Field size
- 50 · based on the organizer's entry cap