Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid T Lam
#397 · 1:10:15 · M41 · Group Y · INV
Wave start 8:23 AM (Y-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
David (Y-INV) started at 8:23 AM; Chris (J-INV) started at 8:10 AM. That gave Chris a 13 minutes head start on David. On foot, David ran 1:10:15 and Chris ran 1:00:42 — Chris was 9:33 faster than David. David took official place 397th (time-based 334th) 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 4:16 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Chris Lundy (J-INV) started 13 min earlier than David (Y-INV).
- Overall place Δ
- +396
- Actual time Δ
- +9:33
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Chris earlier)
- Finish clock Δ
- +22:33
- Section place Δ
- +71
Δ = David − Chris. Negative means David is ahead/faster.
Race timeline
Computed- Chris (J-INV) started at 8:10 AM.
- David (Y-INV) started at 8:23 AM, 13:00 later.
- Actual running time: Chris was 9:33 faster on foot than David.
- Finish clock: Chris crossed the line 22:33 ahead of David — Chris wins this head-to-head.
Δ (A − B): actual +9:33 · finish clock +22:33.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Chris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:16 | 7:31 | +0:45 |
| Stairs to Windy Gap | 6:05 | 5:35 | +0:30 |
| Windy Gap to Muir Woods | 5:36 | 5:25 | +0:11 |
| Muir Woods to Cardiac | 26:26 | 22:10 | +4:16 |
| Cardiac to White Gate | 14:53 | 12:14 | +2:39 |
| White Gate to The Stile | 7:07 | 5:57 | +1:10 |
| The Stile to Finish | 1:52 | 1:50 | +0:02 |
Δ negative = David ran the segment faster.