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
OfficialElton Lin
#434 · 1:14:45 · M49 · Group V · INV
Wave start 8:20 AM (V-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; Elton (V-INV) started at 8:20 AM. That gave Gretchen a 4 minutes head start on Elton. On foot, Gretchen ran 1:18:35 and Elton ran 1:14:45 — Elton was 3:50 faster than Gretchen. Gretchen took official place 430th (time-based 595th) and Elton took official place 434th (time-based 469th). Gretchen's head start was enough to flip the official order even though Elton was faster on foot. Biggest swing: Elton gained 1:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gretchen Andrus (Q-INV) started 4 min earlier than Elton (V-INV).
- Overall place Δ
- -4
- Actual time Δ
- +3:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Gretchen earlier)
- Finish clock Δ
- -0:10
- Section place Δ
- +21
Δ = Gretchen − Elton. Negative means Gretchen is ahead/faster.
Race timeline
Computed- Gretchen (Q-INV) started at 8:16 AM.
- Elton (V-INV) started at 8:20 AM, 4:00 later.
- Actual running time: Elton was 3:50 faster on foot than Gretchen.
- Finish clock: Gretchen crossed the line 0:10 ahead of Elton — Gretchen wins this head-to-head.
Δ (A − B): actual +3:50 · finish clock -0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Gretchen | Elton | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:43 | 8:40 | +0:03 |
| Stairs to Windy Gap | 7:04 | 6:30 | +0:34 |
| Windy Gap to Muir Woods | 6:27 | 6:13 | +0:14 |
| Muir Woods to Cardiac | 30:03 | 28:29 | +1:34 |
| Cardiac to White Gate | 16:38 | 15:14 | +1:24 |
| White Gate to The Stile | 7:33 | 7:30 | +0:03 |
| The Stile to Finish | 2:07 | 2:09 | -0:02 |
Δ negative = Gretchen ran the segment faster.