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
OfficialMarc Roper
#1200 · 1:42:26 · M53 · Group U · DR
Wave start 8:46 AM (U-DR)
Interpretation
Michael (W-DR) started at 8:48 AM; Marc (U-DR) started at 8:46 AM. That gave Marc a 2 minutes head start on Michael. On foot, Michael ran 1:40:30 and Marc ran 1:42:26 — Michael was 1:56 faster than Marc. Michael took official place 1202nd (time-based 1102nd) and Marc took official place 1200th (time-based 1126th). Marc's head start was enough to flip the official order even though Michael was faster on foot. Biggest swing: Michael gained 2:25 from Cardiac to White Gate.
Deltas
ComputedWave start
Marc Roper (U-DR) started 2 min earlier than Michael (W-DR).
- Overall place Δ
- +2
- Actual time Δ
- -1:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Marc earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- -5
Δ = Michael − Marc. Negative means Michael is ahead/faster.
Race timeline
Computed- Marc (U-DR) started at 8:46 AM.
- Michael (W-DR) started at 8:48 AM, 2:00 later.
- Actual running time: Michael was 1:56 faster on foot than Marc.
- Finish clock: Marc crossed the line 0:04 ahead of Michael — Marc wins this head-to-head.
Δ (A − B): actual -1:56 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Marc | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:45 | 12:03 | -1:18 |
| Stairs to Windy Gap | 8:36 | 8:03 | +0:33 |
| Windy Gap to Muir Woods | 8:58 | 9:14 | -0:16 |
| Muir Woods to Cardiac | 36:15 | 33:59 | +2:16 |
| Cardiac to White Gate | 22:23 | 24:48 | -2:25 |
| White Gate to The Stile | 10:48 | 11:02 | -0:14 |
| The Stile to Finish | 2:45 | 3:17 | -0:32 |
Δ negative = Michael ran the segment faster.