Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEric M Spector
#515 · 1:44:05 · M79 · Group AAA · INV
Wave start 8:00 AM (AAA-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
Eric (AAA-INV) started at 8:00 AM; Chris (J-INV) started at 8:10 AM. That gave Eric a 10 minutes head start on Chris. On foot, Eric ran 1:44:05 and Chris ran 1:00:42 — Chris was 43:23 faster than Eric. Eric took official place 515th (time-based 1156th) 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 15:46 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Eric M Spector (AAA-INV) started 10 min earlier than Chris (J-INV).
- Overall place Δ
- +514
- Actual time Δ
- +43:23
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Eric earlier)
- Finish clock Δ
- +33:23
- Section place Δ
- +6
Δ = Eric − Chris. Negative means Eric is ahead/faster.
Race timeline
Computed- Eric (AAA-INV) started at 8:00 AM.
- Chris (J-INV) started at 8:10 AM, 10:00 later.
- Actual running time: Chris was 43:23 faster on foot than Eric.
- Finish clock: Chris crossed the line 33:23 ahead of Eric — Chris wins this head-to-head.
Δ (A − B): actual +43:23 · finish clock +33:23.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Eric | Chris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:02 | 7:31 | +4:31 |
| Stairs to Windy Gap | 9:30 | 5:35 | +3:55 |
| Windy Gap to Muir Woods | 8:59 | 5:25 | +3:34 |
| Muir Woods to Cardiac | 37:56 | 22:10 | +15:46 |
| Cardiac to White Gate | 22:01 | 12:14 | +9:47 |
| White Gate to The Stile | 10:48 | 5:57 | +4:51 |
| The Stile to Finish | 2:49 | 1:50 | +0:59 |
Δ negative = Eric ran the segment faster.