Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBrian A Foster
#306 · 1:10:44 · M49 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
Brian (V-INV) started at 8:20 AM; Edward (Z-INV) started at 8:24 AM. That gave Brian a 4 minutes head start on Edward. On foot, Brian ran 1:10:44 and Edward ran 48:29 — Edward was 22:15 faster than Brian. Brian took official place 306th (time-based 348th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 8:26 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Brian A Foster (V-INV) started 4 min earlier than Edward (Z-INV).
- Overall place Δ
- +304
- Actual time Δ
- +22:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Brian earlier)
- Finish clock Δ
- +18:15
- Section place Δ
- +17
Δ = Brian − Edward. Negative means Brian is ahead/faster.
Race timeline
Computed- Brian (V-INV) started at 8:20 AM.
- Edward (Z-INV) started at 8:24 AM, 4:00 later.
- Actual running time: Edward was 22:15 faster on foot than Brian.
- Finish clock: Edward crossed the line 18:15 ahead of Brian — Edward wins this head-to-head.
Δ (A − B): actual +22:15 · finish clock +18:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Brian | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:00 | 5:48 | +2:12 |
| Stairs to Windy Gap | 6:06 | 4:17 | +1:49 |
| Windy Gap to Muir Woods | 5:40 | 4:16 | +1:24 |
| Muir Woods to Cardiac | 26:18 | 17:52 | +8:26 |
| Cardiac to White Gate | 14:43 | 9:40 | +5:03 |
| White Gate to The Stile | 7:42 | 5:03 | +2:39 |
| The Stile to Finish | 2:15 | 1:33 | +0:42 |
Δ negative = Brian ran the segment faster.