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BOSTON MARATHON 2023

Stephanie Barker

Bib: 30886•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
12:22/mi
38:25
↑ 97↓ 3451.5%
10K· 6.21 mi
12:24/mi
1:16:58
↑ 79↓ 1380.4%
15K· 9.32 mi
12:35/mi
1:56:03
↑ 67↓ 78
20K· 12.43 mi
12:35/mi
2:35:07
↑ 106↓ 860.1%
Half· 13.11 mi
12:38/mi
2:43:44
↑ 19↓ 370.5%
25K· 15.53 mi
13:25/mi
3:16:16
↑ 66↓ 880.2%
30K· 18.64 mi
13:31/mi
3:58:16
↑ 181↓ 1480.2%
20M
13:39/mi
4:16:49
↑ 64↓ 500.2%
21M
14:25/mi
4:31:14
↑ 106↓ 241.6%
35K· 21.75 mi
13:49/mi
4:41:34
↑ 17↓ 861.7%
23M
13:56/mi
4:59:01
↑ 23↓ 630.6%
24M
13:10/mi
5:12:11
↓ 821.3%
40K· 24.85 mi
13:46/mi
5:23:57
↓ 200.3%
25.2M
14:33/mi
5:28:58
↑ 13↓ 160.2%
Finish· 26.22 mi
12:34/mi
5:41:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:43:44
Pace12:29 /mi
2nd Half
Distance13.11 mi
Time2:58:02
Pace13:35 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0438:2512:2238:25
12:22
-
10K
6.21 mi12:35:371:16:5812:2338:33
12:24
+0:02
15K
9.32 mi13:14:421:56:0312:2739:05
12:35
+0:11
20K
12.43 mi13:53:462:35:0712:2939:05
12:35
0:00
Half
13.11 mi14:02:232:43:4412:298:37
12:38
+0:03
25K
15.53 mi14:34:553:16:1612:3832:32
13:25
+0:47
30K
18.64 mi15:16:553:58:1612:4742:00
13:31
+0:06
20M
20.00 mi15:35:284:16:4912:5018:33
13:39
+0:08
21M
21.00 mi15:49:534:31:1412:5514:25
14:25
+0:46
35K
21.75 mi16:00:134:41:3412:5710:20
13:49
-0:36
23M
23.00 mi16:17:404:59:0113:0017:27
13:56
+0:07
24M
24.00 mi16:30:505:12:1113:0013:10
13:10
-0:46
40K
24.85 mi16:42:365:23:5713:0211:46
13:46
+0:36
25.2M
25.20 mi16:47:375:28:5813:035:01
14:33
+0:47
Finish
26.22 mi17:00:255:41:4613:0312:48
12:34
-1:59

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

12:22 /mi

Average Pace

13:03 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:24:14

77% of race

Time at Steady Pace

1:17:32

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:02 /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 mi11:57:0438:2512:2238:25
12:22
#26517
10K
6.21 mi12:35:371:16:5812:2338:33
12:24
#26494
15K
9.32 mi13:14:421:56:0312:2739:05
12:35
#26478
20K
12.43 mi13:53:462:35:0712:2939:05
12:35
#26391
Half
13.11 mi14:02:232:43:4412:298:37
12:38
#26392
25K
15.53 mi14:34:553:16:1612:3832:32
13:25
#26359
30K
18.64 mi15:16:553:58:1612:4742:00
13:31
#26293
20M
20.00 mi15:35:284:16:4912:5018:33
13:39
#26257
21M
21.00 mi15:49:534:31:1412:5514:25
14:25
#26218
35K
21.75 mi16:00:134:41:3412:5710:20
13:49
#26210
23M
23.00 mi16:17:404:59:0113:0017:27
13:56
#26217
24M
24.00 mi16:30:505:12:1113:0013:10
13:10
#26203
40K
24.85 mi16:42:365:23:5713:0211:46
13:46
#26191
25.2M
25.20 mi16:47:375:28:5813:035:01
14:33
#26182
Finish
26.22 mi17:00:255:41:4613:0312:48
12:34
#26171
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26517113711137126347(Top 99%)11267(Top 99%)11267(Top 231%)
10K6.21 mi3.10 mi26494+2311358+1311358+1326444(Top 99%)11323(Top 99%)11323(Top 232%)
15K9.32 mi3.11 mi26478+1611346+1211346+1226347(Top 99%)11267(Top 99%)11267(Top 231%)
20K12.43 mi3.11 mi26391+8711286+6011286+6026009(Top 98%)11063(Top 97%)11063(Top 227%)
Half13.11 mi0.68 mi26392-1112861128626221(Top 98%)11195(Top 98%)11195(Top 229%)
25K15.53 mi2.42 mi26359+3311256+3011256+3026092(Top 98%)11126(Top 97%)11126(Top 228%)
30K18.64 mi3.11 mi26293+6611221+3511221+3525764(Top 97%)10982(Top 96%)10982(Top 225%)
20M20.00 mi1.36 mi26257+3611207+1411207+1425641(Top 96%)10929(Top 96%)10929(Top 224%)
21M21.00 mi1.00 mi26218+3911190+1711190+1725371(Top 95%)10796(Top 95%)10796(Top 221%)
35K21.75 mi0.75 mi26210+811189+111189+126060(Top 98%)11163(Top 98%)11163(Top 229%)
23M23.00 mi1.25 mi26217-711196-711196-725785(Top 97%)11039(Top 97%)11039(Top 226%)
24M24.00 mi1.00 mi26203+1411189+711189+725599(Top 96%)10978(Top 96%)10978(Top 225%)
40K24.85 mi0.85 mi26191+1211184+511184+525548(Top 96%)10951(Top 96%)10951(Top 224%)
25.2M25.20 mi0.35 mi26182+911177+711177+725442(Top 96%)10903(Top 95%)10903(Top 223%)
Finish26.22 mi1.02 mi26171+1111171+611171+625723(Top 97%)11038(Top 97%)11038(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26347

Females

11267

F18-39

11267

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26444

Females

11323

F18-39

11323

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26347

Females

11267

F18-39

11267

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26009

Females

11063

F18-39

11063

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26221

Females

11195

F18-39

11195

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26092

Females

11126

F18-39

11126

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25764

Females

10982

F18-39

10982

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25641

Females

10929

F18-39

10929

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25371

Females

10796

F18-39

10796

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26060

Females

11163

F18-39

11163

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25785

Females

11039

F18-39

11039

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25599

Females

10978

F18-39

10978

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25548

Females

10951

F18-39

10951

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25442

Females

10903

F18-39

10903

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25723

Females

11038

F18-39

11038

Passing Analysis

Category:
Athletes Passed
467
Passed By
121
Net Change
+346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26517
5K → 10K3512+23#26517#26494
10K → 15K3317+16#26494#26478
15K → 20K903+87#26478#26391
20K → Half1011-1#26391#26392
Half → 25K4613+33#26392#26359
25K → 30K759+66#26359#26293
30K → 20M404+36#26293#26257
20M → 21M445+39#26257#26218
21M → 35K179+8#26218#26210
35K → 23M1219-7#26210#26217
23M → 24M2410+14#26217#26203
24M → 40K164+12#26203#26191
40K → 25.2M101+9#26191#26182
25.2M → Finish154+11#26182#26171
TOTALS467121+346
📊

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