Ultramarathon
50 km
Weston
2027-04-24
Sold out

TARC Spring Classic Ultramarathon

Official event website ↗Data current as of 2026-07-06

Decision summary

TARC Spring Classic Ultramarathon at a glance

Typical conditions: 84/100
Evidence depth: 25 verified facts

Route details

Known course facts at a glance

Methodology →

TARC Spring Classic Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.

Official distance: 50 km
Terrain: Trail, Beach
Scenery: Parkland, Forest, Desert, Riverside

Quick answers

What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

The TARC Spring Classic Ultramarathon route starts at 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest) and finishes at 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest). Underfoot, expect trail. It passes Jericho Town Forest. Trail Sisters Approved with equal podium spots and women-specific accommodations.

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Crew access is limited to the single start/finish aid station; carpooling is encouraged with parking in a grassy field at the start/finish. False.

Race character

Scenery

Parkland
Forest
Desert
Riverside

Atmosphere

Community

Terrain

Trail
Beach

Entry, logistics and records

Records and field

Women's course record: 4:14:28 (Lila Gaudrault)

Entry requirements

Entry status: Sold out: Sourced entry status says this edition is sold out.
Cut-off: Runners must start their last loop by 2:15 PM and finish by 4:00 PM; sweepers begin removing markers at 2:30 PM.
Sold out: Yes
Qualification status: No qualifier or lottery; open registration trail ultra (50K).

Race day logistics

Pacers: No
Bag drop: Crew access is limited to the single start/finish aid station; carpooling is encouraged with parking in a grassy field at the start/finish.

Access and course status

Start: 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest)
Finish: 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest)

Course facts

Course type: Laps
Surface: Trail
Landmarks: Jericho Town Forest
Notable features: Cupless race: runners must carry their own hydration system. Leave No Trace policy required. Trail Sisters Approved with equal podium spots and women-specific accommodations
Pride on Foot partner. Adaptive athletes welcomed with accommodations. No refunds, transfers or deferrals except for emergencies and a pregnancy/newborn deferral option. Includes a free youth fun run
A bespoke 10K loop repeated based on the chosen distance
described as an artisanal maze of twisting trails. Distance is not guaranteed exact
Single aid station at the start/finish of each loop offering Hyle Hydration, water, soda, ice, fresh and dried fruit, snacks (Nutter Butters, Fig Newtons, Oreos, candy, chips), peanut butter/Nutella sandwiches, vegan quesadillas and pickles

What are typical race-day conditions?

12°CTypical temperature
17 kphTypical wind
4 mmTypical rainfall
84Favourability /100

Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

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What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Crew access is limited to the single start/finish aid station; carpooling is encouraged with parking in a grassy field at the start/finish. False.

Entry, logistics and records

Records and field

Women's course record: 4:14:28 (Lila Gaudrault)

Entry requirements

Entry status: Sold out: Sourced entry status says this edition is sold out.
Cut-off: Runners must start their last loop by 2:15 PM and finish by 4:00 PM; sweepers begin removing markers at 2:30 PM.
Sold out: Yes
Qualification status: No qualifier or lottery; open registration trail ultra (50K).

Race day logistics

Pacers: No
Bag drop: Crew access is limited to the single start/finish aid station; carpooling is encouraged with parking in a grassy field at the start/finish.

Access and course status

Start: 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest)
Finish: 292 Concord Road, Weston, Massachusetts 02493 (Jericho Town Forest)

Course facts

Course type: Laps
Surface: Trail
Landmarks: Jericho Town Forest
Notable features: Cupless race: runners must carry their own hydration system. Leave No Trace policy required. Trail Sisters Approved with equal podium spots and women-specific accommodations
Pride on Foot partner. Adaptive athletes welcomed with accommodations. No refunds, transfers or deferrals except for emergencies and a pregnancy/newborn deferral option. Includes a free youth fun run
A bespoke 10K loop repeated based on the chosen distance
described as an artisanal maze of twisting trails. Distance is not guaranteed exact
Single aid station at the start/finish of each loop offering Hyle Hydration, water, soda, ice, fresh and dried fruit, snacks (Nutter Butters, Fig Newtons, Oreos, candy, chips), peanut butter/Nutella sandwiches, vegan quesadillas and pickles

TARC Spring Classic Ultramarathon

TARC Spring Classic Ultramarathon at a glance

Known course facts at a glance

What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Race character

Scenery

Atmosphere

Terrain

Entry, logistics and records

Records and field

Entry requirements

Race day logistics

Access and course status

Course facts

What are typical race-day conditions?

How we calculated this

TARC Spring Classic Ultramarathon

TARC Spring Classic Ultramarathon at a glance

Known course facts at a glance

What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Race character

Scenery

Atmosphere

Terrain

Entry, logistics and records

Records and field

Entry requirements

Race day logistics

Access and course status

Course facts

What are typical race-day conditions?

How we calculated this

TARC Spring Classic Ultramarathon at a glance

Known course facts at a glance

What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Race character

Scenery

Atmosphere

Terrain

Entry, logistics and records

Records and field

Entry requirements

Race day logistics

Access and course status

Course facts

What are typical race-day conditions?

How we calculated this

Related mapped-route collections

Ultramarathon route maps

TARC Spring Classic Ultramarathon at a glance

Known course facts at a glance

What runners ask first

Where does the TARC Spring Classic Ultramarathon route go?

What should runners know on race day for the TARC Spring Classic Ultramarathon?

Race character

Scenery

Atmosphere

Terrain

Entry, logistics and records

Records and field

Entry requirements

Race day logistics

Access and course status

Course facts

What are typical race-day conditions?

How we calculated this

Related mapped-route collections

Ultramarathon route maps