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SF MARATHON 1ST HALF 2023

Alison McPeck

El Segundo, CA

Bib: 12495 F 41

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Top 45%
Division (F40-44)
#0 / 268
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
10:44/mi
15:01
→ flat
11 ft elev
2.13M
19:38/mi
29:21
→ flat
13 ft elev
6.43M
12:48/mi
1:24:24
↑ 274↓ 780.9%
213 ft elev
6.62M
-47:-27/mi
1:15:34
↑ 161.6%
239 ft elev
10.65M
10:57/mi
1:59:42
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
12:01/mi
2:29:15
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:15:34
Pace11:25 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:13:41
Pace11:21 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:51:2115:0110:4415:01
10:44
-
2.13M
2.13 mi07:05:4129:2113:4714:20
19:38
+8:54
6.43M
6.43 mi08:00:441:24:2413:0855:03
12:48
-6:50
6.62M
6.62 mi07:51:541:15:3411:25
-47:-27
-60:15
10.65M
10.65 mi08:36:021:59:4211:1444:08
10:57
+58:24
Finish
13.11 mi09:05:352:29:1511:2329:33
12:01
+1:04

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

-48:-27 /mi

Average Pace

11:23 /mi

Slowest Pace

19:38 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:15

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:23 /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 mi06:51:2115:0110:4415:01
10:44
#4914
2.13M
2.13 mi07:05:4129:2113:4714:20
19:38
#4183
6.43M
6.43 mi08:00:441:24:2413:0855:03
12:48
#3960
6.62M
6.62 mi07:51:541:15:3411:25
-47:-27
#3717
10.65M
10.65 mi08:36:021:59:4211:1444:08
10:57
#3847
Finish
13.11 mi09:05:352:29:1511:2329:33
12:01
#4162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.40M1.40 mi1.40 mi4914203016549142030165
2.13M2.13 mi0.73 mi4183+7311626+404131+3435141302103
6.43M6.43 mi4.30 mi3960+2231508+118128+339401511135
6.62M6.62 mi0.19 mi3717+2431402+106118+10---
10.65M10.65 mi4.03 mi3847-1301458-56129-1141231629143
Finish13.11 mi2.46 mi4162-3151631-173140-1149352111191

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 81%
~flat
+3ft-2ft

Overall

4914

Females

2030

F40-44

165

1.40M→2.13M

1.4 - 2.1 mi

Top 58%
~flat
+3ft-1ft

Overall

3514

Females

1302

F40-44

103

2.13M→6.43M

2.1 - 6.4 mi

Top 65%
×17story building
+274ft-78ft

Overall

3940

Females

1511

F40-44

135

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 68%
×21story building
+153ft-361ft

Overall

4123

Females

1629

F40-44

143

10.65M→Finish

10.7 - 13.1 mi

Top 81%
×17story building
+244ft-114ft

Overall

4935

Females

2111

F40-44

191

Passing Analysis

Category:
Athletes Passed
1524*
Passed By
772
Net Change
+752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4914
1.40M → 2.13M76635+731#4914#4183
2.13M → 6.43M423*200+223#4183#3960
6.43M → 6.62M2452+243#3960#3717
6.62M → 10.65M74*204-130#3717#3847
10.65M → Finish16*331-315#3847#4162
TOTALS1524*772+752

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

Passing Charts

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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