Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDave Covey
#520 · 1:34:42 · M65 · Group J · INV
Wave start 8:10 AM (J-INV)
Athlete B
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-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
Dave (J-INV) started at 8:10 AM; Julia (Q-INV) started at 8:16 AM. That gave Dave a 6 minutes head start on Julia. On foot, Dave ran 1:34:42 and Julia ran 57:02 — Julia was 37:40 faster than Dave. Dave took official place 520th (time-based 1001st) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 16:01 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Dave Covey (J-INV) started 6 min earlier than Julia (Q-INV).
- Overall place Δ
- +517
- Actual time Δ
- +37:40
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Dave earlier)
- Finish clock Δ
- +31:40
- Section place Δ
- +7
Δ = Dave − Julia. Negative means Dave is ahead/faster.
Race timeline
Computed- Dave (J-INV) started at 8:10 AM.
- Julia (Q-INV) started at 8:16 AM, 6:00 later.
- Actual running time: Julia was 37:40 faster on foot than Dave.
- Finish clock: Julia crossed the line 31:40 ahead of Dave — Julia wins this head-to-head.
Δ (A − B): actual +37:40 · finish clock +31:40.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Dave | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:29 | 6:46 | +4:43 |
| Stairs to Windy Gap | 8:32 | 5:03 | +3:29 |
| Windy Gap to Muir Woods | 7:10 | 5:20 | +1:50 |
| Muir Woods to Cardiac | 36:27 | 20:26 | +16:01 |
| Cardiac to White Gate | 19:12 | 11:52 | +7:20 |
| White Gate to The Stile | 9:18 | 5:54 | +3:24 |
| The Stile to Finish | 2:34 | 1:41 | +0:53 |
Δ negative = Dave ran the segment faster.