Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSabrina Thurber
#42 · 1:02:38 · F27 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialSean Riedel
#37 · 54:23 · M27 · 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
Sabrina (Q-INV) started at 8:16 AM; Sean (Z-INV) started at 8:24 AM. That gave Sabrina a 8 minutes head start on Sean. On foot, Sabrina ran 1:02:38 and Sean ran 54:23 — Sean was 8:15 faster than Sabrina. Sabrina took official place 42nd (time-based 126th) and Sean took official place 37th (time-based 14th). Sean was faster on foot and finished ahead on the official clock too. Biggest swing: Sean gained 3:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sabrina Thurber (Q-INV) started 8 min earlier than Sean (Z-INV).
- Overall place Δ
- +5
- Actual time Δ
- +8:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Sabrina earlier)
- Finish clock Δ
- +0:15
- Section place Δ
- +5
Δ = Sabrina − Sean. Negative means Sabrina is ahead/faster.
Race timeline
Computed- Sabrina (Q-INV) started at 8:16 AM.
- Sean (Z-INV) started at 8:24 AM, 8:00 later.
- Actual running time: Sean was 8:15 faster on foot than Sabrina.
- Finish clock: Sean crossed the line 0:15 ahead of Sabrina — Sean wins this head-to-head.
Δ (A − B): actual +8:15 · finish clock +0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sabrina | Sean | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:12 | 6:30 | +0:42 |
| Stairs to Windy Gap | 5:20 | 4:54 | +0:26 |
| Windy Gap to Muir Woods | 5:20 | 4:26 | +0:54 |
| Muir Woods to Cardiac | 24:12 | 20:48 | +3:24 |
| Cardiac to White Gate | 12:13 | 11:05 | +1:08 |
| White Gate to The Stile | 6:26 | 5:07 | +1:19 |
| The Stile to Finish | 1:55 | 1:33 | +0:22 |
Δ negative = Sabrina ran the segment faster.