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BOSTON MARATHON 2023

Elizabeth Johnson

Bib: 29500•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
11:38/mi
36:08
↑ 97↓ 3451.5%
10K· 6.21 mi
11:34/mi
1:12:05
↑ 79↓ 1380.4%
15K· 9.32 mi
12:10/mi
1:49:52
↑ 67↓ 78
20K· 12.43 mi
13:33/mi
2:31:57
↑ 106↓ 860.1%
Half· 13.11 mi
11:48/mi
2:40:00
↑ 19↓ 370.5%
25K· 15.53 mi
13:46/mi
3:13:23
↑ 66↓ 880.2%
30K· 18.64 mi
13:44/mi
3:56:03
↑ 181↓ 1480.2%
20M
14:49/mi
4:16:11
↑ 64↓ 500.2%
21M
15:14/mi
4:31:25
↑ 106↓ 241.6%
35K· 21.75 mi
14:49/mi
4:42:30
↑ 17↓ 861.7%
23M
14:36/mi
5:00:47
↑ 23↓ 630.6%
24M
13:35/mi
5:14:22
↓ 821.3%
40K· 24.85 mi
18:35/mi
5:30:15
↓ 200.3%
25.2M
14:44/mi
5:35:20
↑ 13↓ 160.2%
Finish· 26.22 mi
13:03/mi
5:48:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:00
Pace12:12 /mi
2nd Half
Distance13.11 mi
Time3:08:38
Pace14:23 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1836:0811:3836:08
11:38
-
10K
6.21 mi12:30:151:12:0511:3635:57
11:34
-0:04
15K
9.32 mi13:08:021:49:5211:4737:47
12:10
+0:36
20K
12.43 mi13:50:072:31:5712:1442:05
13:33
+1:23
Half
13.11 mi13:58:102:40:0012:128:03
11:48
-1:45
25K
15.53 mi14:31:333:13:2312:2733:23
13:46
+1:58
30K
18.64 mi15:14:133:56:0312:4042:40
13:44
-0:02
20M
20.00 mi15:34:214:16:1112:4920:08
14:49
+1:05
21M
21.00 mi15:49:354:31:2512:5515:14
15:14
+0:25
35K
21.75 mi16:00:404:42:3012:5911:05
14:49
-0:25
23M
23.00 mi16:18:575:00:4713:0518:17
14:36
-0:13
24M
24.00 mi16:32:325:14:2213:0613:35
13:35
-1:01
40K
24.85 mi16:48:255:30:1513:1715:53
18:35
+5:00
25.2M
25.20 mi16:53:305:35:2013:185:05
14:44
-3:51
Finish
26.22 mi17:06:485:48:3813:1813:18
13:03
-1:41

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

11:34 /mi

Average Pace

13:18 /mi

Slowest Pace

18:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:55

34% of race

Time at Steady Pace

2:43:18

47% of race

Time at Slower Pace

1:07:25

19% of race

Average Pace: 13:18 /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 mi11:54:1836:0811:3836:08
11:38
#26290
10K
6.21 mi12:30:151:12:0511:3635:57
11:34
#26160
15K
9.32 mi13:08:021:49:5211:4737:47
12:10
#26170
20K
12.43 mi13:50:072:31:5712:1442:05
13:33
#26280
Half
13.11 mi13:58:102:40:0012:128:03
11:48
#26260
25K
15.53 mi14:31:333:13:2312:2733:23
13:46
#26271
30K
18.64 mi15:14:133:56:0312:4042:40
13:44
#26227
20M
20.00 mi15:34:214:16:1112:4920:08
14:49
#26232
21M
21.00 mi15:49:354:31:2512:5515:14
15:14
#26222
35K
21.75 mi16:00:404:42:3012:5911:05
14:49
#26245
23M
23.00 mi16:18:575:00:4713:0518:17
14:36
#26255
24M
24.00 mi16:32:325:14:2213:0613:35
13:35
#26246
40K
24.85 mi16:48:255:30:1513:1715:53
18:35
#26330
25.2M
25.20 mi16:53:305:35:2013:185:05
14:44
#26325
Finish
26.22 mi17:06:485:48:3813:1813:18
13:03
#26328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26290112241122426157(Top 98%)11138(Top 98%)11138(Top 228%)
10K6.21 mi3.10 mi26160+13011143+8111143+8126018(Top 98%)11052(Top 97%)11052(Top 226%)
15K9.32 mi3.11 mi26170-1011148-511148-526157(Top 98%)11138(Top 98%)11138(Top 228%)
20K12.43 mi3.11 mi26280-11011212-6411212-6426427(Top 99%)11312(Top 99%)11312(Top 232%)
Half13.11 mi0.68 mi26260+2011201+1111201+1125738(Top 97%)10922(Top 96%)10922(Top 224%)
25K15.53 mi2.42 mi26271-1111204-311204-326249(Top 99%)11215(Top 98%)11215(Top 230%)
30K18.64 mi3.11 mi26227+4411185+1911185+1925880(Top 97%)11040(Top 97%)11040(Top 226%)
20M20.00 mi1.36 mi26232-511194-911194-926233(Top 99%)11248(Top 98%)11248(Top 230%)
21M21.00 mi1.00 mi26222+1011192+211192+225865(Top 97%)11033(Top 97%)11033(Top 226%)
35K21.75 mi0.75 mi26245-2311209-1711209-1726374(Top 99%)11320(Top 99%)11320(Top 232%)
23M23.00 mi1.25 mi26255-1011217-811217-826162(Top 98%)11222(Top 98%)11222(Top 230%)
24M24.00 mi1.00 mi26246+911214+311214+325860(Top 97%)11099(Top 97%)11099(Top 227%)
40K24.85 mi0.85 mi26330-8411258-4411258-4426587(Top 100%)11410(Top 100%)11410(Top 234%)
25.2M25.20 mi0.35 mi26325+511260-211260-225562(Top 96%)10960(Top 96%)10960(Top 224%)
Finish26.22 mi1.02 mi26328-311262-211262-226002(Top 98%)11173(Top 98%)11173(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26157

Females

11138

F18-39

11138

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26018

Females

11052

F18-39

11052

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26157

Females

11138

F18-39

11138

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26427

Females

11312

F18-39

11312

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25738

Females

10922

F18-39

10922

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26249

Females

11215

F18-39

11215

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25880

Females

11040

F18-39

11040

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26233

Females

11248

F18-39

11248

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25865

Females

11033

F18-39

11033

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26374

Females

11320

F18-39

11320

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

26162

Females

11222

F18-39

11222

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25860

Females

11099

F18-39

11099

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26587

Females

11410

F18-39

11410

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25562

Females

10960

F18-39

10960

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26002

Females

11173

F18-39

11173

Passing Analysis

Category:
Athletes Passed
415
Passed By
453
Net Change
-38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26290
5K → 10K15121+130#26290#26160
10K → 15K5161-10#26160#26170
15K → 20K18128-110#26170#26280
20K → Half233+20#26280#26260
Half → 25K2334-11#26260#26271
25K → 30K6016+44#26271#26227
30K → 20M2126-5#26227#26232
20M → 21M199+10#26232#26222
21M → 35K730-23#26222#26245
35K → 23M1121-10#26245#26255
23M → 24M156+9#26255#26246
24M → 40K185-84#26246#26330
40K → 25.2M83+5#26330#26325
25.2M → Finish710-3#26325#26328
TOTALS415453-38
📊

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