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BOSTON MARATHON 2023

Marci Morgan

Bib: 16325•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:03/mi
25:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:14
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:40:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:46:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:06:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:33:25
↑ 181↓ 1480.2%
20M
8:44/mi
2:45:17
↑ 64↓ 500.2%
21M
9:33/mi
2:54:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:01:06
↑ 17↓ 861.7%
23M
8:43/mi
3:12:01
↑ 23↓ 630.6%
24M
8:22/mi
3:20:23
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:27:50
↓ 200.3%
25.2M
9:28/mi
3:31:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:39:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:19
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:53:20
Pace8:39 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0925:008:0325:00
8:03
-
10K
6.21 mi11:47:1750:088:0425:08
8:05
+0:02
15K
9.32 mi12:12:231:15:148:0425:06
8:05
0:00
20K
12.43 mi12:37:551:40:468:0725:32
8:13
+0:08
Half
13.11 mi12:43:281:46:198:075:33
8:08
-0:05
25K
15.53 mi13:03:402:06:318:0920:12
8:20
+0:12
30K
18.64 mi13:30:342:33:258:1426:54
8:39
+0:19
20M
20.00 mi13:42:262:45:178:1611:52
8:44
+0:05
21M
21.00 mi13:51:592:54:508:209:33
9:33
+0:49
35K
21.75 mi13:58:153:01:068:206:16
8:23
-1:10
23M
23.00 mi14:09:103:12:018:2110:55
8:43
+0:20
24M
24.00 mi14:17:323:20:238:218:22
8:22
-0:21
40K
24.85 mi14:24:593:27:508:227:27
8:43
+0:21
25.2M
25.20 mi14:28:153:31:068:233:16
9:28
+0:45
Finish
26.22 mi14:36:483:39:398:238:33
8:23
-1:05

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

8:03 /mi

Average Pace

8:23 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:50

94% of race

Time at Steady Pace

3:16

1% of race

Time at Slower Pace

9:33

4% of race

Average Pace: 8:23 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi11:22:0925:008:0325:00
8:03
#14349
10K
6.21 mi11:47:1750:088:0425:08
8:05
#14896
15K
9.32 mi12:12:231:15:148:0425:06
8:05
#14930
20K
12.43 mi12:37:551:40:468:0725:32
8:13
#14929
Half
13.11 mi12:43:281:46:198:075:33
8:08
#14950
25K
15.53 mi13:03:402:06:318:0920:12
8:20
#14948
30K
18.64 mi13:30:342:33:258:1426:54
8:39
#14994
20M
20.00 mi13:42:262:45:178:1611:52
8:44
#14994
21M
21.00 mi13:51:592:54:508:209:33
9:33
#15060
35K
21.75 mi13:58:153:01:068:206:16
8:23
#15032
23M
23.00 mi14:09:103:12:018:2110:55
8:43
#14982
24M
24.00 mi14:17:323:20:238:218:22
8:22
#14897
40K
24.85 mi14:24:593:27:508:227:27
8:43
#14859
25.2M
25.20 mi14:28:153:31:068:233:16
9:28
#14852
Finish
26.22 mi14:36:483:39:398:238:33
8:23
#14846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi143494236423615032(Top 56%)4698(Top 41%)4698(Top 259%)
10K6.21 mi3.10 mi14896-5474591-3554591-35515447(Top 58%)4933(Top 43%)4933(Top 271%)
15K9.32 mi3.11 mi14930-344618-274618-2715032(Top 56%)4698(Top 41%)4698(Top 259%)
20K12.43 mi3.11 mi14929+14640-224640-2215094(Top 57%)4771(Top 42%)4771(Top 263%)
Half13.11 mi0.68 mi14950-214655-154655-1515375(Top 58%)4909(Top 43%)4909(Top 270%)
25K15.53 mi2.42 mi14948+24678-234678-2315154(Top 57%)4941(Top 43%)4941(Top 272%)
30K18.64 mi3.11 mi14994-464744-664744-6615273(Top 57%)5098(Top 45%)5098(Top 281%)
20M20.00 mi1.36 mi149944769-254769-2515068(Top 57%)5035(Top 44%)5035(Top 277%)
21M21.00 mi1.00 mi15060-664836-674836-6716213(Top 61%)5741(Top 50%)5741(Top 316%)
35K21.75 mi0.75 mi15032+284833+34833+314607(Top 55%)4889(Top 43%)4889(Top 269%)
23M23.00 mi1.25 mi14982+504824+94824+914514(Top 55%)4908(Top 43%)4908(Top 270%)
24M24.00 mi1.00 mi14897+854792+324792+3213680(Top 51%)4499(Top 39%)4499(Top 248%)
40K24.85 mi0.85 mi14859+384797-54797-514617(Top 55%)5091(Top 45%)5091(Top 280%)
25.2M25.20 mi0.35 mi14852+74803-64803-615099(Top 57%)5353(Top 47%)5353(Top 295%)
Finish26.22 mi1.02 mi14846+64817-144817-1414694(Top 55%)5091(Top 45%)5091(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15032

Females

4698

F45-49

4698

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15447

Females

4933

F45-49

4933

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15032

Females

4698

F45-49

4698

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15094

Females

4771

F45-49

4771

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15375

Females

4909

F45-49

4909

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15154

Females

4941

F45-49

4941

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15273

Females

5098

F45-49

5098

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15068

Females

5035

F45-49

5035

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16213

Females

5741

F45-49

5741

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14607

Females

4889

F45-49

4889

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14514

Females

4908

F45-49

4908

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13680

Females

4499

F45-49

4499

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14617

Females

5091

F45-49

5091

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15099

Females

5353

F45-49

5353

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14694

Females

5091

F45-49

5091

Passing Analysis

Category:
Athletes Passed
1394
Passed By
1891
Net Change
-497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14349
5K → 10K110657-547#14349#14896
10K → 15K176210-34#14896#14930
15K → 20K190189+1#14930#14929
20K → Half2647-21#14929#14950
Half → 25K136134+2#14950#14948
25K → 30K160206-46#14948#14994
30K → 20M83830#14994#14994
20M → 21M67133-66#14994#15060
21M → 35K6234+28#15060#15032
35K → 23M10050+50#15032#14982
23M → 24M10318+85#14982#14897
24M → 40K7638+38#14897#14859
40K → 25.2M3831+7#14859#14852
25.2M → Finish6761+6#14852#14846
TOTALS13941891-497
📊

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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing