Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMegan R Greene
#247 · 1:16:53 · F51 · Group L · INV
Wave start 8:12 AM (L-INV)
Athlete B
OfficialAlex Slack
#244 · 1:06:46 · M42 · Group X · INV
Wave start 8:22 AM (X-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
Megan (L-INV) started at 8:12 AM; Alex (X-INV) started at 8:22 AM. That gave Megan a 10 minutes head start on Alex. On foot, Megan ran 1:16:53 and Alex ran 1:06:46 — Alex was 10:07 faster than Megan. Megan took official place 247th (time-based 549th) and Alex took official place 244th (time-based 223rd). Alex was faster on foot and finished ahead on the official clock too. Biggest swing: Alex gained 4:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Megan R Greene (L-INV) started 10 min earlier than Alex (X-INV).
- Overall place Δ
- +3
- Actual time Δ
- +10:07
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Megan earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- -7
Δ = Megan − Alex. Negative means Megan is ahead/faster.
Race timeline
Computed- Megan (L-INV) started at 8:12 AM.
- Alex (X-INV) started at 8:22 AM, 10:00 later.
- Actual running time: Alex was 10:07 faster on foot than Megan.
- Finish clock: Alex crossed the line 0:07 ahead of Megan — Alex wins this head-to-head.
Δ (A − B): actual +10:07 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Megan | Alex | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:21 | 8:05 | +1:16 |
| Stairs to Windy Gap | 7:10 | 5:48 | +1:22 |
| Windy Gap to Muir Woods | 6:44 | 5:29 | +1:15 |
| Muir Woods to Cardiac | 29:01 | 24:50 | +4:11 |
| Cardiac to White Gate | 15:02 | 14:12 | +0:50 |
| White Gate to The Stile | 7:20 | 6:37 | +0:43 |
| The Stile to Finish | 2:15 | 1:45 | +0:30 |
Δ negative = Megan ran the segment faster.