Performance Lab

Build The Brief.
Then Forecast
The Race.

Start with the fastest possible intake for trail runners: quick self-reported stats, a future UTMB or Strava lookup, or the existing Strava JSON import if you already have the data in hand.

This release

  • Dual-path estimator access for quick profile or athlete lookup
  • Searchable race presets with editable kilometers and D+
  • Advanced Strava JSON import retained for richer forecasting
See Advanced Import

Access The Estimator

Two Ways In.
One Trail-Specific Brief.

Start with a quick runner profile or prepare an athlete lookup brief for UTMB and Strava. In both cases, the race builder below preloads the kilometers and D+ you need for a first-pass forecast.

Race Builder

Search A Race, Then Fine-Tune The Profile.

Presets are there to accelerate intake. You can overwrite any distance or D+ value before generating the brief.

Suggested presets

RunRidge preset

Need a more precise output today? Use the advanced Strava import below.

Quick Forecast

13:03:03

You have enough base to target Grand Trail des Templiers, but the vertical and long-run specificity still need work.

Race outlook

Build in progress

Confidence

High

Solid self-reported training signal for a first-pass trail forecast.

Training volume

55 km

Suggested weekly target

Long run

20 km

Specific weekend session

Terrain focus

mountain

3430 m D+ in the target race

Weekly focus

Prioritize climbing economy, hiking power, and technical downhill resilience.

First-week program

Built from the intake profile

Monday

Reset

Rest, mobility, and 20 minutes of foot and ankle strength.

Tuesday

Climbing

8 x 3 min uphill, strong but controlled, hike the last 30 sec of each rep. Finish with 10 minutes easy downhill cadence work.

Wednesday

Aerobic

50 to 65 min easy on soft ground, then 6 x 20-second relaxed strides.

Thursday

Specific

3 x 15 min steady trail tempo with 4 min easy between blocks. Keep fueling exactly as you will on race day.

Friday

Freshen

Recovery jog or cross-train for 35 to 45 minutes. Keep it deliberately light.

Saturday

Long Run

20 km on terrain that resembles Grand Trail des Templiers. Practice hiking transitions and race fueling.

Sunday

Support

Short recovery shuffle plus 30 to 45 minutes of easy hiking. Weekly target: about 55 km total.

Advanced Import

Already Have Strava Data?
Paste It Here.

The original MVP remains available for runners who already have exported activity JSON and want the higher-signal forecast.

Explore Coaching

Strava Import

Estimate Your Next Race

Activity JSON

Paste a Strava activity array or upload the JSON file.

The model weights recency, pace, elevation, race markers, and workout specificity.