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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
Meredith (Q-DR) started at 8:43 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 19 minutes head start on Meredith because the Runner wave starts 27 minutes after the Invitational wave. On foot, Meredith ran 1:06:55 and Edward ran 48:29 — Edward was 18:26 faster than Meredith. Meredith took official place 545th (time-based 226th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 7:55 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 19 min earlier than Meredith (Q-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +543
- Actual time Δ
- +18:26
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 19 min (Edward earlier)
- Finish clock Δ
- +37:26
- Section place Δ
- —
Δ = Meredith − Edward. Negative means Meredith is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Meredith (Q-DR) started at 8:43 AM, 19:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 18:26 faster on foot than Meredith.
- Finish clock: Edward crossed the line 37:26 ahead of Meredith — Edward wins this head-to-head.
Δ (A − B): actual +18:26 · finish clock +37:26.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Meredith | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:57 | 5:48 | +2:09 |
| Stairs to Windy Gap | 5:50 | 4:17 | +1:33 |
| Windy Gap to Muir Woods | 5:31 | 4:16 | +1:15 |
| Muir Woods to Cardiac | 25:47 | 17:52 | +7:55 |
| Cardiac to White Gate | 13:27 | 9:40 | +3:47 |
| White Gate to The Stile | 6:34 | 5:03 | +1:31 |
| The Stile to Finish | 1:49 | 1:33 | +0:16 |
Δ negative = Meredith ran the segment faster.