Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn P Cassidy
#517 · 1:23:17 · M46 · Group W · INV
Wave start 8:21 AM (W-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
John (W-INV) started at 8:21 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 5 minutes head start on John. On foot, John ran 1:23:17 and Julia ran 57:02 — Julia was 26:15 faster than John. John took official place 517th (time-based 749th) 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 13:32 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 5 min earlier than John (W-INV).
- Overall place Δ
- +514
- Actual time Δ
- +26:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Julia earlier)
- Finish clock Δ
- +31:15
- Section place Δ
- +33
Δ = John − Julia. Negative means John is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- John (W-INV) started at 8:21 AM, 5:00 later.
- Actual running time: Julia was 26:15 faster on foot than John.
- Finish clock: Julia crossed the line 31:15 ahead of John — Julia wins this head-to-head.
Δ (A − B): actual +26:15 · finish clock +31:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:07 | 6:46 | +2:21 |
| Stairs to Windy Gap | 7:02 | 5:03 | +1:59 |
| Windy Gap to Muir Woods | 6:12 | 5:20 | +0:52 |
| Muir Woods to Cardiac | 33:58 | 20:26 | +13:32 |
| Cardiac to White Gate | 16:51 | 11:52 | +4:59 |
| White Gate to The Stile | 8:01 | 5:54 | +2:07 |
| The Stile to Finish | 2:06 | 1:41 | +0:25 |
Δ negative = John ran the segment faster.