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
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
Heidi (M-INV) started at 8:13 AM; Edward (Z-INV) started at 8:24 AM. That gave Heidi a 11 minutes head start on Edward. On foot, Heidi ran 1:01:51 and Edward ran 48:29 — Edward was 13:22 faster than Heidi. Heidi took official place 9th (time-based 106th) 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 5:14 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Heidi Reifenstein (M-INV) started 11 min earlier than Edward (Z-INV).
- Overall place Δ
- +7
- Actual time Δ
- +13:22
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Heidi earlier)
- Finish clock Δ
- +2:22
- Section place Δ
- 0
Δ = Heidi − Edward. Negative means Heidi is ahead/faster.
Race timeline
Computed- Heidi (M-INV) started at 8:13 AM.
- Edward (Z-INV) started at 8:24 AM, 11:00 later.
- Actual running time: Edward was 13:22 faster on foot than Heidi.
- Finish clock: Edward crossed the line 2:22 ahead of Heidi — Edward wins this head-to-head.
Δ (A − B): actual +13:22 · finish clock +2:22.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Heidi | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:14 | 5:48 | +1:26 |
| Stairs to Windy Gap | 5:34 | 4:17 | +1:17 |
| Windy Gap to Muir Woods | 5:29 | 4:16 | +1:13 |
| Muir Woods to Cardiac | 23:06 | 17:52 | +5:14 |
| Cardiac to White Gate | 12:25 | 9:40 | +2:45 |
| White Gate to The Stile | 6:10 | 5:03 | +1:07 |
| The Stile to Finish | 1:53 | 1:33 | +0:20 |
Δ negative = Heidi ran the segment faster.