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
OfficialChris Lundy
#1 · 1:00:42 · F55 · Group J · INV
Wave start 8:10 AM (J-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; Chris (J-INV) started at 8:10 AM. That gave Chris a 6 minutes head start on Izzy. On foot, Izzy ran 1:09:10 and Chris ran 1:00:42 — Chris was 8:28 faster than Izzy. Izzy took official place 159th (time-based 297th) and Chris took official place 1st (time-based 71st). Chris was faster on foot and finished ahead on the official clock too. Biggest swing: Chris gained 4:12 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Chris Lundy (J-INV) started 6 min earlier than Izzy (Q-INV).
- Overall place Δ
- +158
- Actual time Δ
- +8:28
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Chris earlier)
- Finish clock Δ
- +14:28
- Section place Δ
- +25
Δ = Izzy − Chris. Negative means Izzy is ahead/faster.
Race timeline
Computed- Chris (J-INV) started at 8:10 AM.
- Izzy (Q-INV) started at 8:16 AM, 6:00 later.
- Actual running time: Chris was 8:28 faster on foot than Izzy.
- Finish clock: Chris crossed the line 14:28 ahead of Izzy — Chris wins this head-to-head.
Δ (A − B): actual +8:28 · finish clock +14:28.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Izzy | Chris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:54 | 7:31 | +0:23 |
| Stairs to Windy Gap | 6:04 | 5:35 | +0:29 |
| Windy Gap to Muir Woods | 6:00 | 5:25 | +0:35 |
| Muir Woods to Cardiac | 26:22 | 22:10 | +4:12 |
| Cardiac to White Gate | 14:05 | 12:14 | +1:51 |
| White Gate to The Stile | 6:53 | 5:57 | +0:56 |
| The Stile to Finish | 1:52 | 1:50 | +0:02 |
Δ negative = Izzy ran the segment faster.