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
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
Heidi (M-INV) started at 8:13 AM; Julia (Q-INV) started at 8:16 AM. That gave Heidi a 3 minutes head start on Julia. On foot, Heidi ran 1:01:51 and Julia ran 57:02 — Julia was 4:49 faster than Heidi. Heidi took official place 9th (time-based 106th) 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 2:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Heidi Reifenstein (M-INV) started 3 min earlier than Julia (Q-INV).
- Overall place Δ
- +6
- Actual time Δ
- +4:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Heidi earlier)
- Finish clock Δ
- +1:49
- Section place Δ
- 0
Δ = Heidi − Julia. Negative means Heidi is ahead/faster.
Race timeline
Computed- Heidi (M-INV) started at 8:13 AM.
- Julia (Q-INV) started at 8:16 AM, 3:00 later.
- Actual running time: Julia was 4:49 faster on foot than Heidi.
- Finish clock: Julia crossed the line 1:49 ahead of Heidi — Julia wins this head-to-head.
Δ (A − B): actual +4:49 · finish clock +1:49.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Heidi | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:14 | 6:46 | +0:28 |
| Stairs to Windy Gap | 5:34 | 5:03 | +0:31 |
| Windy Gap to Muir Woods | 5:29 | 5:20 | +0:09 |
| Muir Woods to Cardiac | 23:06 | 20:26 | +2:40 |
| Cardiac to White Gate | 12:25 | 11:52 | +0:33 |
| White Gate to The Stile | 6:10 | 5:54 | +0:16 |
| The Stile to Finish | 1:53 | 1:41 | +0:12 |
Δ negative = Heidi ran the segment faster.