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BOSTON MARATHON 2023

Anne Johnson

Bib: 21358•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F45-49)
#0 / 1817
Top 29%
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
8:05/mi
25:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
50:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:01
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:41:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:47:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:07:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:33:06
↑ 181↓ 1480.2%
20M
8:25/mi
2:44:32
↑ 64↓ 500.2%
21M
8:49/mi
2:53:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:59:29
↑ 17↓ 861.7%
23M
8:26/mi
3:10:02
↑ 23↓ 630.6%
24M
8:23/mi
3:18:25
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:25:39
↓ 200.3%
25.2M
9:14/mi
3:28:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:37:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:09
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:01
Pace8:24 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0425:078:0525:07
8:05
-
10K
6.21 mi11:46:4250:458:1025:38
8:15
+0:10
15K
9.32 mi12:11:581:16:018:0925:16
8:08
-0:07
20K
12.43 mi12:37:341:41:378:1125:36
8:14
+0:06
Half
13.11 mi12:43:061:47:098:105:32
8:07
-0:07
25K
15.53 mi13:03:002:07:038:1119:54
8:12
+0:05
30K
18.64 mi13:29:032:33:068:1326:03
8:23
+0:11
20M
20.00 mi13:40:292:44:328:1411:26
8:25
+0:02
21M
21.00 mi13:49:182:53:218:158:49
8:49
+0:24
35K
21.75 mi13:55:262:59:298:156:08
8:12
-0:37
23M
23.00 mi14:05:593:10:028:1610:33
8:26
+0:14
24M
24.00 mi14:14:223:18:258:168:23
8:23
-0:03
40K
24.85 mi14:21:363:25:398:167:14
8:28
+0:05
25.2M
25.20 mi14:24:473:28:508:173:11
9:14
+0:46
Finish
26.22 mi14:33:073:37:108:178:20
8:11
-1:03

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

8:05 /mi

Average Pace

8:17 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:59

99% of race

Time at Steady Pace

3:11

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:21:0425:078:0525:07
8:05
#14600
10K
6.21 mi11:46:4250:458:1025:38
8:15
#15605
15K
9.32 mi12:11:581:16:018:0925:16
8:08
#15519
20K
12.43 mi12:37:341:41:378:1125:36
8:14
#15419
Half
13.11 mi12:43:061:47:098:105:32
8:07
#15405
25K
15.53 mi13:03:002:07:038:1119:54
8:12
#15205
30K
18.64 mi13:29:032:33:068:1326:03
8:23
#14904
20M
20.00 mi13:40:292:44:328:1411:26
8:25
#14751
21M
21.00 mi13:49:182:53:218:158:49
8:49
#14588
35K
21.75 mi13:55:262:59:298:156:08
8:12
#14541
23M
23.00 mi14:05:593:10:028:1610:33
8:26
#14421
24M
24.00 mi14:14:223:18:258:168:23
8:23
#14372
40K
24.85 mi14:21:363:25:398:167:14
8:28
#14300
25.2M
25.20 mi14:24:473:28:508:173:11
9:14
#14289
Finish
26.22 mi14:33:073:37:108:178:20
8:11
#14236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi146004391439115384(Top 58%)4898(Top 43%)4898(Top 270%)
10K6.21 mi3.10 mi15605-10055034-6435034-64316591(Top 62%)5630(Top 49%)5630(Top 310%)
15K9.32 mi3.11 mi15519+864989+454989+4515384(Top 58%)4898(Top 43%)4898(Top 270%)
20K12.43 mi3.11 mi15419+1004940+494940+4915210(Top 57%)4844(Top 42%)4844(Top 267%)
Half13.11 mi0.68 mi15405+144935+54935+515230(Top 57%)4815(Top 42%)4815(Top 265%)
25K15.53 mi2.42 mi15205+2004844+914844+9114298(Top 54%)4390(Top 38%)4390(Top 242%)
30K18.64 mi3.11 mi14904+3014681+1634681+16313606(Top 51%)4096(Top 36%)4096(Top 225%)
20M20.00 mi1.36 mi14751+1534608+734608+7313118(Top 49%)3925(Top 34%)3925(Top 216%)
21M21.00 mi1.00 mi14588+1634543+654543+6512398(Top 47%)3634(Top 32%)3634(Top 200%)
35K21.75 mi0.75 mi14541+474527+164527+1613470(Top 51%)4269(Top 37%)4269(Top 235%)
23M23.00 mi1.25 mi14421+1204486+414486+4112780(Top 48%)3959(Top 35%)3959(Top 218%)
24M24.00 mi1.00 mi14372+494474+124474+1213787(Top 52%)4545(Top 40%)4545(Top 250%)
40K24.85 mi0.85 mi14300+724457+174457+1713105(Top 49%)4261(Top 37%)4261(Top 235%)
25.2M25.20 mi0.35 mi14289+114461-44461-413861(Top 52%)4672(Top 41%)4672(Top 257%)
Finish26.22 mi1.02 mi14236+534450+114450+1113315(Top 50%)4374(Top 38%)4374(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15384

Females

4898

F45-49

4898

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16591

Females

5630

F45-49

5630

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15384

Females

4898

F45-49

4898

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15210

Females

4844

F45-49

4844

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15230

Females

4815

F45-49

4815

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14298

Females

4390

F45-49

4390

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13606

Females

4096

F45-49

4096

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13118

Females

3925

F45-49

3925

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12398

Females

3634

F45-49

3634

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13470

Females

4269

F45-49

4269

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12780

Females

3959

F45-49

3959

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13787

Females

4545

F45-49

4545

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13105

Females

4261

F45-49

4261

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13861

Females

4672

F45-49

4672

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13315

Females

4374

F45-49

4374

Passing Analysis

Category:
Athletes Passed
1993
Passed By
1629
Net Change
+364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14600
5K → 10K511056-1005#14600#15605
10K → 15K222136+86#15605#15519
15K → 20K218118+100#15519#15419
20K → Half4329+14#15419#15405
Half → 25K23939+200#15405#15205
25K → 30K35150+301#15205#14904
30K → 20M16815+153#14904#14751
20M → 21M18118+163#14751#14588
21M → 35K6619+47#14588#14541
35K → 23M14121+120#14541#14421
23M → 24M9344+49#14421#14372
24M → 40K9927+72#14372#14300
40K → 25.2M3221+11#14300#14289
25.2M → Finish8936+53#14289#14236
TOTALS19931629+364
📊

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