Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialCourtney Guertin
#1397 · 2:58:44 · M47 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialDan O'Farrell
#1395 · 3:07:17 · M79 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
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
Courtney (W-DR) started at 8:48 AM; Dan (AAA-DR) started at 8:27 AM. That gave Dan a 21 minutes head start on Courtney. On foot, Courtney ran 2:58:44 and Dan ran 3:07:17 — Courtney was 8:33 faster than Dan. Courtney took official place 1397th (time-based 1390th) and Dan took official place 1395th (time-based 1394th). Dan's head start was enough to flip the official order even though Courtney was faster on foot. Biggest swing: Dan gained 12:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Dan O'Farrell (AAA-DR) started 21 min earlier than Courtney (W-DR).
- Overall place Δ
- +2
- Actual time Δ
- -8:33
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 21 min (Dan earlier)
- Finish clock Δ
- +12:27
- Section place Δ
- +4
Δ = Courtney − Dan. Negative means Courtney is ahead/faster.
Race timeline
Computed- Dan (AAA-DR) started at 8:27 AM.
- Courtney (W-DR) started at 8:48 AM, 21:00 later.
- Actual running time: Courtney was 8:33 faster on foot than Dan.
- Finish clock: Dan crossed the line 12:27 ahead of Courtney — Dan wins this head-to-head.
Δ (A − B): actual -8:33 · finish clock +12:27.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Courtney | Dan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:37 | 20:05 | -7:28 |
| Stairs to Windy Gap | 11:35 | 15:09 | -3:34 |
| Windy Gap to Muir Woods | 12:23 | 17:48 | -5:25 |
| Muir Woods to Cardiac | 52:15 | 1:01:23 | -9:08 |
| Cardiac to White Gate | 56:50 | 44:45 | +12:05 |
| White Gate to The Stile | 24:39 | 21:51 | +2:48 |
| The Stile to Finish | 8:25 | 6:16 | +2:09 |
Δ negative = Courtney ran the segment faster.