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 W McFerron
#549 · 58:43 · M20 · Group SCR · DR
Wave start 8:52 AM (SCR-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 (SCR-DR) started at 8:52 AM. That gave Meredith a 9 minutes head start on Jackson. On foot, Meredith ran 1:06:55 and Jackson ran 58:43 — Jackson was 8:12 faster than Meredith. Meredith took official place 545th (time-based 226th) and Jackson took official place 549th (time-based 48th). Meredith's head start was enough to flip the official order even though Jackson was faster on foot. Biggest swing: Jackson gained 3:26 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Meredith Rizzo (Q-DR) started 9 min earlier than Jackson (SCR-DR).
- Overall place Δ
- -4
- Actual time Δ
- +8:12
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Meredith earlier)
- Finish clock Δ
- -0:48
- Section place Δ
- +6
Δ = Meredith − Jackson. Negative means Meredith is ahead/faster.
Race timeline
Computed- Meredith (Q-DR) started at 8:43 AM.
- Jackson (SCR-DR) started at 8:52 AM, 9:00 later.
- Actual running time: Jackson was 8:12 faster on foot than Meredith.
- Finish clock: Meredith crossed the line 0:48 ahead of Jackson — Meredith wins this head-to-head.
Δ (A − B): actual +8:12 · finish clock -0:48.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Meredith | Jackson | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:57 | 6:57 | +1:00 |
| Stairs to Windy Gap | 5:50 | 5:14 | +0:36 |
| Windy Gap to Muir Woods | 5:31 | 5:27 | +0:04 |
| Muir Woods to Cardiac | 25:47 | 22:21 | +3:26 |
| Cardiac to White Gate | 13:27 | 11:37 | +1:50 |
| White Gate to The Stile | 6:34 | 5:32 | +1:02 |
| The Stile to Finish | 1:49 | 1:35 | +0:14 |
Δ negative = Meredith ran the segment faster.