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SF MARATHON 1ST HALF 2023

John Butcher

Bib: 9749•M•Age: 50

Baden, PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 11%
Gender (Male)
#0 / 3331
Top 15%
Masters (Masters Men)
#0 / 1028
Top 8%
Division (M50-54)
#0 / 199
Top 6%
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
8:01/mi
11:14
→ flat
2.13M
16:06/mi
22:59
→ flat
6.43M
9:45/mi
1:04:54
↑ 274↓ 780.9%
6.62M
-29:-24/mi
59:30
↑ 161.6%
10.65M
8:03/mi
1:31:58
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:42/mi
1:50:53
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time59:30
Pace8:59 /mi
2nd Half✓ Faster
Distance6.49 mi
Time51:23
Pace7:55 /mi
📊Negative Split: 13.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:44:2411:148:0111:14
8:01
-
2.13M
2.13 mi06:56:0922:5910:4711:45
16:06
+8:05
6.43M
6.43 mi07:38:041:04:5410:0641:55
9:45
-6:21
6.62M
6.62 mi07:32:4059:308:59
-29:-24
-39:09
10.65M
10.65 mi08:05:081:31:588:3832:28
8:03
+37:27
Finish
13.11 mi08:24:031:50:538:2818:55
7:42
-0:21

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

-30:-24 /mi

Average Pace

8:28 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:53

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi06:44:2411:148:0111:14
8:01
#880
2.13M
2.13 mi06:56:0922:5910:4711:45
16:06
#816
6.43M
6.43 mi07:38:041:04:5410:0641:55
9:45
#717
6.62M
6.62 mi07:32:4059:308:59
-29:-24
#716
10.65M
10.65 mi08:05:081:31:588:3832:28
8:03
#643
Finish
13.11 mi08:24:031:50:538:2818:55
7:42
#642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.40M1.40 mi1.40 mi88065922880(Top 14%)659(Top 20%)22(Top 11%)
2.13M2.13 mi0.73 mi816+64618+4118+4850(Top 14%)629(Top 19%)19(Top 10%)
6.43M6.43 mi4.30 mi717+99560+5815+3694(Top 11%)540(Top 16%)15(Top 8%)
6.62M6.62 mi0.19 mi716+1557+319-4---
10.65M10.65 mi4.03 mi643+73507+5013+6609(Top 10%)489(Top 15%)12(Top 6%)
Finish13.11 mi2.46 mi642+1503+411+2704(Top 12%)560(Top 17%)18(Top 9%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 14%
~flat
+3ft-2ft

Overall

880

Males

659

M50-54

22

1.40M→2.13M

1.4 - 2.1 mi

Top 14%
~flat
+3ft-1ft

Overall

850

Males

629

M50-54

19

2.13M→6.43M

2.1 - 6.4 mi

Top 11%
×17story building
+274ft-78ft

Overall

694

Males

540

M50-54

15

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 10%
×21story building
+153ft-361ft

Overall

609

Males

489

M50-54

12

10.65M→Finish

10.7 - 13.1 mi

Top 12%
×17story building
+244ft-114ft

Overall

704

Males

560

M50-54

18

Passing Analysis

Category:
Athletes Passed
433*
Passed By
195
Net Change
+238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#880
1.40M → 2.13M11854+64#880#816
2.13M → 6.43M15152+99#816#717
6.43M → 6.62M3130+1#717#716
6.62M → 10.65M101*28+73#716#643
10.65M → Finish32*31+1#643#642
TOTALS433*195+238

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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