Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGretchen Andrus
#430 · 1:18:35 · F38 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialHenry C Bush
#425 · 1:16:22 · M12 · Group T · INV
Wave start 8:18 AM (T-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Gretchen (Q-INV) started at 8:16 AM; Henry (T-INV) started at 8:18 AM. That gave Gretchen a 2 minutes head start on Henry. On foot, Gretchen ran 1:18:35 and Henry ran 1:16:22 — Henry was 2:13 faster than Gretchen. Gretchen took official place 430th (time-based 595th) and Henry took official place 425th (time-based 535th). Henry was faster on foot and finished ahead on the official clock too. Biggest swing: Henry gained 0:47 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gretchen Andrus (Q-INV) started 2 min earlier than Henry (T-INV).
- Overall place Δ
- +5
- Actual time Δ
- +2:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Gretchen earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- +33
Δ = Gretchen − Henry. Negative means Gretchen is ahead/faster.
Race timeline
Computed- Gretchen (Q-INV) started at 8:16 AM.
- Henry (T-INV) started at 8:18 AM, 2:00 later.
- Actual running time: Henry was 2:13 faster on foot than Gretchen.
- Finish clock: Henry crossed the line 0:13 ahead of Gretchen — Henry wins this head-to-head.
Δ (A − B): actual +2:13 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Gretchen | Henry | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:43 | 8:54 | -0:11 |
| Stairs to Windy Gap | 7:04 | 6:33 | +0:31 |
| Windy Gap to Muir Woods | 6:27 | 6:07 | +0:20 |
| Muir Woods to Cardiac | 30:03 | 29:16 | +0:47 |
| Cardiac to White Gate | 16:38 | 16:01 | +0:37 |
| White Gate to The Stile | 7:33 | 7:19 | +0:14 |
| The Stile to Finish | 2:07 | 2:12 | -0:05 |
Δ negative = Gretchen ran the segment faster.