Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJoanna Chen
#497 · 1:23:11 · F28 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
Joanna (Q-INV) started at 8:16 AM; Edward (Z-INV) started at 8:24 AM. That gave Joanna a 8 minutes head start on Edward. On foot, Joanna ran 1:23:11 and Edward ran 48:29 — Edward was 34:42 faster than Joanna. Joanna took official place 497th (time-based 745th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 14:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Joanna Chen (Q-INV) started 8 min earlier than Edward (Z-INV).
- Overall place Δ
- +495
- Actual time Δ
- +34:42
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Joanna earlier)
- Finish clock Δ
- +26:42
- Section place Δ
- +53
Δ = Joanna − Edward. Negative means Joanna is ahead/faster.
Race timeline
Computed- Joanna (Q-INV) started at 8:16 AM.
- Edward (Z-INV) started at 8:24 AM, 8:00 later.
- Actual running time: Edward was 34:42 faster on foot than Joanna.
- Finish clock: Edward crossed the line 26:42 ahead of Joanna — Edward wins this head-to-head.
Δ (A − B): actual +34:42 · finish clock +26:42.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Joanna | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:10 | 5:48 | +3:22 |
| Stairs to Windy Gap | 7:25 | 4:17 | +3:08 |
| Windy Gap to Muir Woods | 6:45 | 4:16 | +2:29 |
| Muir Woods to Cardiac | 31:59 | 17:52 | +14:07 |
| Cardiac to White Gate | 17:31 | 9:40 | +7:51 |
| White Gate to The Stile | 8:09 | 5:03 | +3:06 |
| The Stile to Finish | 2:12 | 1:33 | +0:39 |
Δ negative = Joanna ran the segment faster.