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BOSTON MARATHON 2023

Jessica Johnson

Bib: 30100•F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
12:27/mi
38:42
↑ 97↓ 3451.5%
10K· 6.21 mi
11:58/mi
1:15:52
↑ 79↓ 1380.4%
15K· 9.32 mi
12:31/mi
1:54:46
↑ 67↓ 78
20K· 12.43 mi
12:46/mi
2:34:27
↑ 106↓ 860.1%
Half· 13.11 mi
12:30/mi
2:42:59
↑ 19↓ 370.5%
25K· 15.53 mi
13:40/mi
3:16:06
↑ 66↓ 880.2%
30K· 18.64 mi
13:25/mi
3:57:47
↑ 181↓ 1480.2%
20M
13:33/mi
4:16:12
↑ 64↓ 500.2%
21M
15:44/mi
4:31:56
↑ 106↓ 241.6%
35K· 21.75 mi
13:29/mi
4:42:01
↑ 17↓ 861.7%
23M
13:42/mi
4:59:10
↑ 23↓ 630.6%
24M
13:25/mi
5:12:35
↓ 821.3%
40K· 24.85 mi
13:45/mi
5:24:20
↓ 200.3%
25.2M
14:36/mi
5:29:22
↑ 13↓ 160.2%
Finish· 26.22 mi
13:29/mi
5:43:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:42:59
Pace12:26 /mi
2nd Half
Distance13.11 mi
Time3:00:07
Pace13:44 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5338:4212:2738:42
12:27
-
10K
6.21 mi12:35:031:15:5212:1337:10
11:58
-0:29
15K
9.32 mi13:13:571:54:4612:1938:54
12:31
+0:33
20K
12.43 mi13:53:382:34:2712:2639:41
12:46
+0:15
Half
13.11 mi14:02:102:42:5912:268:32
12:30
-0:16
25K
15.53 mi14:35:173:16:0612:3733:07
13:40
+1:10
30K
18.64 mi15:16:583:57:4712:4541:41
13:25
-0:15
20M
20.00 mi15:35:234:16:1212:4918:25
13:33
+0:08
21M
21.00 mi15:51:074:31:5612:5715:44
15:44
+2:11
35K
21.75 mi16:01:124:42:0112:5810:05
13:29
-2:15
23M
23.00 mi16:18:214:59:1013:0017:09
13:42
+0:13
24M
24.00 mi16:31:465:12:3513:0113:25
13:25
-0:17
40K
24.85 mi16:43:315:24:2013:0311:45
13:45
+0:20
25.2M
25.20 mi16:48:335:29:2213:045:02
14:36
+0:51
Finish
26.22 mi17:02:175:43:0613:0613:44
13:29
-1:07

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

11:58 /mi

Average Pace

13:06 /mi

Slowest Pace

15:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:59

48% of race

Time at Steady Pace

2:39:21

46% of race

Time at Slower Pace

20:46

6% of race

Average Pace: 13:05 /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 mi11:57:5338:4212:2738:42
12:27
#26538
10K
6.21 mi12:35:031:15:5212:1337:10
11:58
#26450
15K
9.32 mi13:13:571:54:4612:1938:54
12:31
#26426
20K
12.43 mi13:53:382:34:2712:2639:41
12:46
#26370
Half
13.11 mi14:02:102:42:5912:268:32
12:30
#26365
25K
15.53 mi14:35:173:16:0612:3733:07
13:40
#26352
30K
18.64 mi15:16:583:57:4712:4541:41
13:25
#26284
20M
20.00 mi15:35:234:16:1212:4918:25
13:33
#26233
21M
21.00 mi15:51:074:31:5612:5715:44
15:44
#26240
35K
21.75 mi16:01:124:42:0112:5810:05
13:29
#26233
23M
23.00 mi16:18:214:59:1013:0017:09
13:42
#26221
24M
24.00 mi16:31:465:12:3513:0113:25
13:25
#26216
40K
24.85 mi16:43:315:24:2013:0311:45
13:45
#26201
25.2M
25.20 mi16:48:335:29:2213:045:02
14:36
#26191
Finish
26.22 mi17:02:175:43:0613:0613:44
13:29
#26205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26538113831138326330(Top 99%)11256(Top 99%)11256(Top 599%)
10K6.21 mi3.10 mi26450+8811326+5711326+5726262(Top 99%)11209(Top 98%)11209(Top 597%)
15K9.32 mi3.11 mi26426+2411313+1311313+1326330(Top 99%)11256(Top 99%)11256(Top 599%)
20K12.43 mi3.11 mi26370+5611270+4311270+4326126(Top 98%)11130(Top 97%)11130(Top 593%)
Half13.11 mi0.68 mi26365+511266+411266+426169(Top 98%)11163(Top 98%)11163(Top 594%)
25K15.53 mi2.42 mi26352+1311252+1411252+1426197(Top 98%)11186(Top 98%)11186(Top 596%)
30K18.64 mi3.11 mi26284+6811217+3511217+3525708(Top 97%)10954(Top 96%)10954(Top 583%)
20M20.00 mi1.36 mi26233+5111195+2211195+2225580(Top 96%)10900(Top 95%)10900(Top 580%)
21M21.00 mi1.00 mi26240-711202-711202-726124(Top 98%)11188(Top 98%)11188(Top 596%)
35K21.75 mi0.75 mi26233+711204-211204-225885(Top 97%)11084(Top 97%)11084(Top 590%)
23M23.00 mi1.25 mi26221+1211200+411200+425629(Top 96%)10968(Top 96%)10968(Top 584%)
24M24.00 mi1.00 mi26216+511199+111199+125762(Top 97%)11054(Top 97%)11054(Top 589%)
40K24.85 mi0.85 mi26201+1511191+811191+825535(Top 96%)10946(Top 96%)10946(Top 583%)
25.2M25.20 mi0.35 mi26191+1011183+811183+825476(Top 96%)10923(Top 96%)10923(Top 582%)
Finish26.22 mi1.02 mi26205-1411190-711190-726185(Top 98%)11261(Top 99%)11261(Top 600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26330

Females

11256

F40-44

11256

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26262

Females

11209

F40-44

11209

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26330

Females

11256

F40-44

11256

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26126

Females

11130

F40-44

11130

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26169

Females

11163

F40-44

11163

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26197

Females

11186

F40-44

11186

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25708

Females

10954

F40-44

10954

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25580

Females

10900

F40-44

10900

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26124

Females

11188

F40-44

11188

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25885

Females

11084

F40-44

11084

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25629

Females

10968

F40-44

10968

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25762

Females

11054

F40-44

11054

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25535

Females

10946

F40-44

10946

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25476

Females

10923

F40-44

10923

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26185

Females

11261

F40-44

11261

Passing Analysis

Category:
Athletes Passed
469
Passed By
136
Net Change
+333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26538
5K → 10K913+88#26538#26450
10K → 15K4319+24#26450#26426
15K → 20K659+56#26426#26370
20K → Half72+5#26370#26365
Half → 25K3118+13#26365#26352
25K → 30K7911+68#26352#26284
30K → 20M543+51#26284#26233
20M → 21M1219-7#26233#26240
21M → 35K2013+7#26240#26233
35K → 23M175+12#26233#26221
23M → 24M1712+5#26221#26216
24M → 40K172+15#26216#26201
40K → 25.2M111+10#26201#26191
25.2M → Finish519-14#26191#26205
TOTALS469136+333
📊

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