Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid T Lam
#397 · 1:10:15 · M41 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
David (Y-INV) started at 8:23 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 7 minutes head start on David. On foot, David ran 1:10:15 and Julia ran 57:02 — Julia was 13:13 faster than David. David took official place 397th (time-based 334th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 6:00 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 7 min earlier than David (Y-INV).
- Overall place Δ
- +394
- Actual time Δ
- +13:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Julia earlier)
- Finish clock Δ
- +20:13
- Section place Δ
- +71
Δ = David − Julia. Negative means David is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- David (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Julia was 13:13 faster on foot than David.
- Finish clock: Julia crossed the line 20:13 ahead of David — Julia wins this head-to-head.
Δ (A − B): actual +13:13 · finish clock +20:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:16 | 6:46 | +1:30 |
| Stairs to Windy Gap | 6:05 | 5:03 | +1:02 |
| Windy Gap to Muir Woods | 5:36 | 5:20 | +0:16 |
| Muir Woods to Cardiac | 26:26 | 20:26 | +6:00 |
| Cardiac to White Gate | 14:53 | 11:52 | +3:01 |
| White Gate to The Stile | 7:07 | 5:54 | +1:13 |
| The Stile to Finish | 1:52 | 1:41 | +0:11 |
Δ negative = David ran the segment faster.