Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSandra M Holbrook James
#311 · 1:23:53 · F58 · Group F · INV
Wave start 8:07 AM (F-INV)
Athlete B
OfficialChris D Lunny
#307 · 1:11:48 · M50 · Group U · INV
Wave start 8:19 AM (U-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
Sandra (F-INV) started at 8:07 AM; Chris (U-INV) started at 8:19 AM. That gave Sandra a 12 minutes head start on Chris. On foot, Sandra ran 1:23:53 and Chris ran 1:11:48 — Chris was 12:05 faster than Sandra. Sandra took official place 311th (time-based 763rd) and Chris took official place 307th (time-based 385th). Chris was faster on foot and finished ahead on the official clock too. Biggest swing: Chris gained 2:51 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sandra M Holbrook James (F-INV) started 12 min earlier than Chris (U-INV).
- Overall place Δ
- +4
- Actual time Δ
- +12:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 12 min (Sandra earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -18
Δ = Sandra − Chris. Negative means Sandra is ahead/faster.
Race timeline
Computed- Sandra (F-INV) started at 8:07 AM.
- Chris (U-INV) started at 8:19 AM, 12:00 later.
- Actual running time: Chris was 12:05 faster on foot than Sandra.
- Finish clock: Chris crossed the line 0:05 ahead of Sandra — Chris wins this head-to-head.
Δ (A − B): actual +12:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sandra | Chris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:04 | 7:33 | +2:31 |
| Stairs to Windy Gap | 7:16 | 5:57 | +1:19 |
| Windy Gap to Muir Woods | 7:35 | 5:39 | +1:56 |
| Muir Woods to Cardiac | 29:58 | 27:07 | +2:51 |
| Cardiac to White Gate | 17:54 | 15:47 | +2:07 |
| White Gate to The Stile | 8:40 | 7:45 | +0:55 |
| The Stile to Finish | 2:26 | 2:00 | +0:26 |
Δ negative = Sandra ran the segment faster.