Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMichael Doonan
#1202 · 1:40:30 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialSpencer Bryan
#1198 · 1:39:19 · M42 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Michael (W-DR) started at 8:48 AM; Spencer (X-DR) started at 8:49 AM. That gave Michael a 1 minute head start on Spencer. On foot, Michael ran 1:40:30 and Spencer ran 1:39:19 — Spencer was 1:11 faster than Michael. Michael took official place 1202nd (time-based 1102nd) and Spencer took official place 1198th (time-based 1083rd). Spencer was faster on foot and finished ahead on the official clock too. Biggest swing: Michael gained 2:28 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Michael Doonan (W-DR) started 1 min earlier than Spencer (X-DR).
- Overall place Δ
- +4
- Actual time Δ
- +1:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Michael earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +1
Δ = Michael − Spencer. Negative means Michael is ahead/faster.
Race timeline
Computed- Michael (W-DR) started at 8:48 AM.
- Spencer (X-DR) started at 8:49 AM, 1:00 later.
- Actual running time: Spencer was 1:11 faster on foot than Michael.
- Finish clock: Spencer crossed the line 0:11 ahead of Michael — Spencer wins this head-to-head.
Δ (A − B): actual +1:11 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Spencer | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:45 | 10:40 | +0:05 |
| Stairs to Windy Gap | 8:36 | 8:58 | -0:22 |
| Windy Gap to Muir Woods | 8:58 | 7:59 | +0:59 |
| Muir Woods to Cardiac | 36:15 | 38:43 | -2:28 |
| Cardiac to White Gate | 22:23 | 20:00 | +2:23 |
| White Gate to The Stile | 10:48 | 10:17 | +0:31 |
| The Stile to Finish | 2:45 | 2:42 | +0:03 |
Δ negative = Michael ran the segment faster.