Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeffrey A Stern
#19 · 53:25 · M39 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialErik N Dunmire
#23 · 1:01:35 · M58 · Group P · INV
Wave start 8:15 AM (P-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
Jeffrey (Y-INV) started at 8:23 AM; Erik (P-INV) started at 8:15 AM. That gave Erik a 8 minutes head start on Jeffrey. On foot, Jeffrey ran 53:25 and Erik ran 1:01:35 — Jeffrey was 8:10 faster than Erik. Jeffrey took official place 19th (time-based 10th) and Erik took official place 23rd (time-based 96th). Jeffrey was faster on foot and finished ahead on the official clock too. Biggest swing: Jeffrey gained 4:15 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Erik N Dunmire (P-INV) started 8 min earlier than Jeffrey (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- -8:10
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Erik earlier)
- Finish clock Δ
- -0:10
- Section place Δ
- -1
Δ = Jeffrey − Erik. Negative means Jeffrey is ahead/faster.
Race timeline
Computed- Erik (P-INV) started at 8:15 AM.
- Jeffrey (Y-INV) started at 8:23 AM, 8:00 later.
- Actual running time: Jeffrey was 8:10 faster on foot than Erik.
- Finish clock: Jeffrey crossed the line 0:10 ahead of Erik — Jeffrey wins this head-to-head.
Δ (A − B): actual -8:10 · finish clock -0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jeffrey | Erik | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:15 | 7:24 | -1:09 |
| Stairs to Windy Gap | 4:48 | 5:35 | -0:47 |
| Windy Gap to Muir Woods | 4:45 | 5:04 | -0:19 |
| Muir Woods to Cardiac | 19:44 | 23:59 | -4:15 |
| Cardiac to White Gate | 10:43 | 11:55 | -1:12 |
| White Gate to The Stile | 5:35 | 5:49 | -0:14 |
| The Stile to Finish | 1:35 | 1:49 | -0:14 |
Δ negative = Jeffrey ran the segment faster.