Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMeredith Rizzo
#545 · 1:06:55 · F31 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialJackson Chen
#542 · 1:01:40 · M15 · Group W · DR
Wave start 8:48 AM (W-DR)
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
Meredith (Q-DR) started at 8:43 AM; Jackson (W-DR) started at 8:48 AM. That gave Meredith a 5 minutes head start on Jackson. On foot, Meredith ran 1:06:55 and Jackson ran 1:01:40 — Jackson was 5:15 faster than Meredith. Meredith took official place 545th (time-based 226th) and Jackson took official place 542nd (time-based 100th). Jackson was faster on foot and finished ahead on the official clock too. Biggest swing: Jackson gained 2:43 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Meredith Rizzo (Q-DR) started 5 min earlier than Jackson (W-DR).
- Overall place Δ
- +3
- Actual time Δ
- +5:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Meredith earlier)
- Finish clock Δ
- +0:15
- Section place Δ
- +5
Δ = Meredith − Jackson. Negative means Meredith is ahead/faster.
Race timeline
Computed- Meredith (Q-DR) started at 8:43 AM.
- Jackson (W-DR) started at 8:48 AM, 5:00 later.
- Actual running time: Jackson was 5:15 faster on foot than Meredith.
- Finish clock: Jackson crossed the line 0:15 ahead of Meredith — Jackson wins this head-to-head.
Δ (A − B): actual +5:15 · finish clock +0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Meredith | Jackson | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:57 | 7:36 | +0:21 |
| Stairs to Windy Gap | 5:50 | 5:13 | +0:37 |
| Windy Gap to Muir Woods | 5:31 | 5:23 | +0:08 |
| Muir Woods to Cardiac | 25:47 | 23:04 | +2:43 |
| Cardiac to White Gate | 13:27 | 12:19 | +1:08 |
| White Gate to The Stile | 6:34 | 6:10 | +0:24 |
| The Stile to Finish | 1:49 | 1:55 | -0:06 |
Δ negative = Meredith ran the segment faster.