
London T100 Triathlon Weekend
Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps
The independent race-selection system for age-group athletes. Tell us what matters, see why each race fits, inspect the underlying evidence, then carry your choice into a training road.

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 6 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 6 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 6 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 2 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 6 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 4 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-14 · 5 known data gaps

Baseline fit across five athlete-relevant dimensions.
Verified 2026-08-13 · 3 known data gaps
Official course sources, verification dates, swim setting, terrain and known gaps.
Your goal, experience, weakest discipline, available hours and chosen distance change the ranking.
Weather and courses change. Low-confidence data is labelled, and every card links to its source-backed guide.