Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIzzy Dahlke
#159 · 1:09:10 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialBradley A Metzler
#163 · 1:04:17 · M44 · Group W · INV
Wave start 8:21 AM (W-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
Izzy (Q-INV) started at 8:16 AM; Bradley (W-INV) started at 8:21 AM. That gave Izzy a 5 minutes head start on Bradley. On foot, Izzy ran 1:09:10 and Bradley ran 1:04:17 — Bradley was 4:53 faster than Izzy. Izzy took official place 159th (time-based 297th) and Bradley took official place 163rd (time-based 162nd). Izzy's head start was enough to flip the official order even though Bradley was faster on foot. Biggest swing: Bradley gained 2:43 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Izzy Dahlke (Q-INV) started 5 min earlier than Bradley (W-INV).
- Overall place Δ
- -4
- Actual time Δ
- +4:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Izzy earlier)
- Finish clock Δ
- -0:07
- Section place Δ
- +17
Δ = Izzy − Bradley. Negative means Izzy is ahead/faster.
Race timeline
Computed- Izzy (Q-INV) started at 8:16 AM.
- Bradley (W-INV) started at 8:21 AM, 5:00 later.
- Actual running time: Bradley was 4:53 faster on foot than Izzy.
- Finish clock: Izzy crossed the line 0:07 ahead of Bradley — Izzy wins this head-to-head.
Δ (A − B): actual +4:53 · finish clock -0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Izzy | Bradley | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:54 | 7:38 | +0:16 |
| Stairs to Windy Gap | 6:04 | 5:38 | +0:26 |
| Windy Gap to Muir Woods | 6:00 | 5:34 | +0:26 |
| Muir Woods to Cardiac | 26:22 | 23:39 | +2:43 |
| Cardiac to White Gate | 14:05 | 13:02 | +1:03 |
| White Gate to The Stile | 6:53 | 6:46 | +0:07 |
| The Stile to Finish | 1:52 | 2:00 | -0:08 |
Δ negative = Izzy ran the segment faster.