Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialHeidi Reifenstein
#9 · 1:01:51 · F48 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialLaura K Hansen
#5 · 57:47 · F35 · 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
Heidi (M-INV) started at 8:13 AM; Laura (Q-INV) started at 8:16 AM. That gave Heidi a 3 minutes head start on Laura. On foot, Heidi ran 1:01:51 and Laura ran 57:47 — Laura was 4:04 faster than Heidi. Heidi took official place 9th (time-based 106th) and Laura took official place 5th (time-based 36th). Laura was faster on foot and finished ahead on the official clock too. Biggest swing: Laura gained 1:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Heidi Reifenstein (M-INV) started 3 min earlier than Laura (Q-INV).
- Overall place Δ
- +4
- Actual time Δ
- +4:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Heidi earlier)
- Finish clock Δ
- +1:04
- Section place Δ
- -1
Δ = Heidi − Laura. Negative means Heidi is ahead/faster.
Race timeline
Computed- Heidi (M-INV) started at 8:13 AM.
- Laura (Q-INV) started at 8:16 AM, 3:00 later.
- Actual running time: Laura was 4:04 faster on foot than Heidi.
- Finish clock: Laura crossed the line 1:04 ahead of Heidi — Laura wins this head-to-head.
Δ (A − B): actual +4:04 · finish clock +1:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Heidi | Laura | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:14 | 7:11 | +0:03 |
| Stairs to Windy Gap | 5:34 | 5:06 | +0:28 |
| Windy Gap to Muir Woods | 5:29 | 5:03 | +0:26 |
| Muir Woods to Cardiac | 23:06 | 21:26 | +1:40 |
| Cardiac to White Gate | 12:25 | 11:26 | +0:59 |
| White Gate to The Stile | 6:10 | 5:52 | +0:18 |
| The Stile to Finish | 1:53 | 1:43 | +0:10 |
Δ negative = Heidi ran the segment faster.