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
OfficialCheri Nielsen
#511 · 1:31:27 · F52 · Group K · INV
Wave start 8:11 AM (K-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; Cheri (K-INV) started at 8:11 AM. That gave Eric a 11 minutes head start on Cheri. On foot, Eric ran 1:44:05 and Cheri ran 1:31:27 — Cheri was 12:38 faster than Eric. Eric took official place 515th (time-based 1156th) and Cheri took official place 511th (time-based 935th). Cheri was faster on foot and finished ahead on the official clock too. Biggest swing: Cheri gained 3:59 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Eric M Spector (AAA-INV) started 11 min earlier than Cheri (K-INV).
- Overall place Δ
- +4
- Actual time Δ
- +12:38
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Eric earlier)
- Finish clock Δ
- +1:38
- Section place Δ
- -8
Δ = Eric − Cheri. Negative means Eric is ahead/faster.
Race timeline
Computed- Eric (AAA-INV) started at 8:00 AM.
- Cheri (K-INV) started at 8:11 AM, 11:00 later.
- Actual running time: Cheri was 12:38 faster on foot than Eric.
- Finish clock: Cheri crossed the line 1:38 ahead of Eric — Cheri wins this head-to-head.
Δ (A − B): actual +12:38 · finish clock +1:38.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Eric | Cheri | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:02 | 11:33 | +0:29 |
| Stairs to Windy Gap | 9:30 | 7:57 | +1:33 |
| Windy Gap to Muir Woods | 8:59 | 7:32 | +1:27 |
| Muir Woods to Cardiac | 37:56 | 33:57 | +3:59 |
| Cardiac to White Gate | 22:01 | 18:41 | +3:20 |
| White Gate to The Stile | 10:48 | 8:54 | +1:54 |
| The Stile to Finish | 2:49 | 2:53 | -0:04 |
Δ negative = Eric ran the segment faster.