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SF MARATHON 1ST HALF 2023

Jacob MacNeill

Bib: 16975•M•Age: 34

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 27%
Gender (Male)
#0 / 3331
Top 35%
Division (M30-34)
#0 / 723
Top 36%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:36/mi
13:26
→ flat
2.13M
18:29/mi
26:56
→ flat
6.43M
11:13/mi
1:15:10
↑ 274↓ 780.9%
6.62M
-28:-37/mi
1:09:55
↑ 161.6%
10.65M
8:41/mi
1:44:56
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:26/mi
2:03:12
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:09:55
Pace10:34 /mi
2nd Half✓ Faster
Distance6.49 mi
Time53:17
Pace8:13 /mi
📊Negative Split: 23.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:0713:269:3613:26
9:36
-
2.13M
2.13 mi07:21:3726:5612:3913:30
18:29
+8:53
6.43M
6.43 mi08:09:511:15:1011:4148:14
11:13
-7:16
6.62M
6.62 mi08:04:361:09:5510:34
-28:-37
-39:50
10.65M
10.65 mi08:39:371:44:569:5135:01
8:41
+37:18
Finish
13.11 mi08:57:532:03:129:2418:16
7:26
-1:15

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

-29:-37 /mi

Average Pace

9:24 /mi

Slowest Pace

18:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:12

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.40M
1.40 mi07:08:0713:269:3613:26
9:36
#3393
2.13M
2.13 mi07:21:3726:5612:3913:30
18:29
#2867
6.43M
6.43 mi08:09:511:15:1011:4148:14
11:13
#2358
6.62M
6.62 mi08:04:361:09:5510:34
-28:-37
#2625
10.65M
10.65 mi08:39:371:44:569:5135:01
8:41
#2014
Finish
13.11 mi08:57:532:03:129:2418:16
7:26
#1630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1.40 mi339321454743393(Top 56%)2145(Top 64%)474(Top 66%)
2.13M2.13 mi0.73 mi2867+5261867+278410+642541(Top 42%)1690(Top 51%)376(Top 52%)
6.43M6.43 mi4.30 mi2358+5091601+266367+432210(Top 36%)1498(Top 45%)345(Top 48%)
6.62M6.62 mi0.19 mi2625-2671742-141391-24---
10.65M10.65 mi4.03 mi2014+6111384+358313+781260(Top 21%)930(Top 28%)204(Top 28%)
Finish13.11 mi2.46 mi1630+3841163+221258+55489(Top 8%)394(Top 12%)93(Top 13%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 56%
~flat
+3ft-2ft

Overall

3393

Males

2145

M30-34

476

1.40M→2.13M

1.4 - 2.1 mi

Top 42%
~flat
+3ft-1ft

Overall

2541

Males

1690

M30-34

379

2.13M→6.43M

2.1 - 6.4 mi

Top 36%
×17story building
+274ft-78ft

Overall

2210

Males

1498

M30-34

347

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 21%
×21story building
+153ft-361ft

Overall

1260

Males

930

M30-34

206

10.65M→Finish

10.7 - 13.1 mi

Top 8%
×17story building
+244ft-114ft

Overall

489

Males

394

M30-34

93

Passing Analysis

Category:
Athletes Passed
2167*
Passed By
404
Net Change
+1763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3393
1.40M → 2.13M56943+526#3393#2867
2.13M → 6.43M579*70+509#2867#2358
6.43M → 6.62M19286-267#2358#2625
6.62M → 10.65M614*3+611#2625#2014
10.65M → Finish386*2+384#2014#1630
TOTALS2167*404+1763

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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