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BOSTON MARATHON 2023

Kathleen Hehn

Bib: 26031•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
10:42/mi
33:16
↑ 97↓ 3451.5%
10K· 6.21 mi
10:38/mi
1:06:17
↑ 79↓ 1380.4%
15K· 9.32 mi
10:27/mi
1:38:45
↑ 67↓ 78
20K· 12.43 mi
10:35/mi
2:11:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:29/mi
2:18:48
↑ 19↓ 370.5%
25K· 15.53 mi
11:26/mi
2:46:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:40/mi
3:22:47
↑ 181↓ 1480.2%
20M
11:18/mi
3:38:08
↑ 64↓ 500.2%
21M
12:22/mi
3:50:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:10/mi
3:58:51
↑ 17↓ 861.7%
23M
11:33/mi
4:13:19
↑ 23↓ 630.6%
24M
10:47/mi
4:24:06
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:33:34
↓ 200.3%
25.2M
12:28/mi
4:37:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
4:48:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:48
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:29:31
Pace11:24 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4233:1610:4233:16
10:42
-
10K
6.21 mi12:29:431:06:1710:4033:01
10:38
-0:04
15K
9.32 mi13:02:111:38:4510:3632:28
10:27
-0:11
20K
12.43 mi13:35:052:11:3910:3632:54
10:35
+0:08
Half
13.11 mi13:42:142:18:4810:357:09
10:29
-0:06
25K
15.53 mi14:09:582:46:3210:4327:44
11:26
+0:57
30K
18.64 mi14:46:133:22:4710:5336:15
11:40
+0:14
20M
20.00 mi15:01:343:38:0810:5415:21
11:18
-0:22
21M
21.00 mi15:13:563:50:3010:5912:22
12:22
+1:04
35K
21.75 mi15:22:173:58:5110:598:21
11:10
-1:12
23M
23.00 mi15:36:454:13:1911:0114:28
11:33
+0:23
24M
24.00 mi15:47:324:24:0611:0010:47
10:47
-0:46
40K
24.85 mi15:57:004:33:3411:009:28
11:04
+0:17
25.2M
25.20 mi16:01:184:37:5211:024:18
12:28
+1:24
Finish
26.22 mi16:11:454:48:1911:0010:27
10:15
-2:13

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

10:15 /mi

Average Pace

11:00 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:15

52% of race

Time at Steady Pace

43:57

15% of race

Time at Slower Pace

1:35:07

33% of race

Average Pace: 11:00 /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 mi11:56:4233:1610:4233:16
10:42
#25200
10K
6.21 mi12:29:431:06:1710:4033:01
10:38
#25033
15K
9.32 mi13:02:111:38:4510:3632:28
10:27
#24792
20K
12.43 mi13:35:052:11:3910:3632:54
10:35
#24581
Half
13.11 mi13:42:142:18:4810:357:09
10:29
#24560
25K
15.53 mi14:09:582:46:3210:4327:44
11:26
#24597
30K
18.64 mi14:46:133:22:4710:5336:15
11:40
#24499
20M
20.00 mi15:01:343:38:0810:5415:21
11:18
#24388
21M
21.00 mi15:13:563:50:3010:5912:22
12:22
#24313
35K
21.75 mi15:22:173:58:5110:598:21
11:10
#24284
23M
23.00 mi15:36:454:13:1911:0114:28
11:33
#24250
24M
24.00 mi15:47:324:24:0611:0010:47
10:47
#24190
40K
24.85 mi15:57:004:33:3411:009:28
11:04
#24110
25.2M
25.20 mi16:01:184:37:5211:024:18
12:28
#24106
Finish
26.22 mi16:11:454:48:1911:0010:27
10:15
#24064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25200105441054424373(Top 92%)10103(Top 88%)10103(Top 207%)
10K6.21 mi3.10 mi25033+16710452+9210452+9224916(Top 94%)10393(Top 91%)10393(Top 213%)
15K9.32 mi3.11 mi24792+24110333+11910333+11924373(Top 92%)10103(Top 88%)10103(Top 207%)
20K12.43 mi3.11 mi24581+21110223+11010223+11023994(Top 90%)9903(Top 87%)9903(Top 203%)
Half13.11 mi0.68 mi24560+2110210+1310210+1324193(Top 91%)10030(Top 88%)10030(Top 205%)
25K15.53 mi2.42 mi24597-3710245-3510245-3524582(Top 92%)10275(Top 90%)10275(Top 210%)
30K18.64 mi3.11 mi24499+9810203+4210203+4224085(Top 90%)10059(Top 88%)10059(Top 206%)
20M20.00 mi1.36 mi24388+11110150+5310150+5323182(Top 87%)9616(Top 84%)9616(Top 197%)
21M21.00 mi1.00 mi24313+7510118+3210118+3223292(Top 87%)9702(Top 85%)9702(Top 199%)
35K21.75 mi0.75 mi24284+2910113+510113+523599(Top 89%)9938(Top 87%)9938(Top 203%)
23M23.00 mi1.25 mi24250+3410099+1410099+1423356(Top 88%)9780(Top 86%)9780(Top 200%)
24M24.00 mi1.00 mi24190+6010070+2910070+2922645(Top 85%)9449(Top 83%)9449(Top 193%)
40K24.85 mi0.85 mi24110+8010041+2910041+2922516(Top 85%)9408(Top 82%)9408(Top 193%)
25.2M25.20 mi0.35 mi24106+410044-310044-323262(Top 87%)9808(Top 86%)9808(Top 201%)
Finish26.22 mi1.02 mi24064+4210017+2710017+2722444(Top 84%)9358(Top 82%)9358(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24373

Females

10103

F18-39

10103

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24916

Females

10393

F18-39

10393

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24373

Females

10103

F18-39

10103

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23994

Females

9903

F18-39

9903

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24193

Females

10030

F18-39

10030

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24582

Females

10275

F18-39

10275

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

24085

Females

10059

F18-39

10059

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23182

Females

9616

F18-39

9616

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23292

Females

9702

F18-39

9702

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23599

Females

9938

F18-39

9938

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23356

Females

9780

F18-39

9780

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22645

Females

9449

F18-39

9449

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22516

Females

9408

F18-39

9408

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23262

Females

9808

F18-39

9808

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22444

Females

9358

F18-39

9358

Passing Analysis

Category:
Athletes Passed
1524
Passed By
388
Net Change
+1136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25200
5K → 10K269102+167#25200#25033
10K → 15K26625+241#25033#24792
15K → 20K23120+211#24792#24581
20K → Half3817+21#24581#24560
Half → 25K6198-37#24560#24597
25K → 30K14749+98#24597#24499
30K → 20M1121+111#24499#24388
20M → 21M9116+75#24388#24313
21M → 35K3910+29#24313#24284
35K → 23M5420+34#24284#24250
23M → 24M633+60#24250#24190
24M → 40K877+80#24190#24110
40K → 25.2M1612+4#24110#24106
25.2M → Finish508+42#24106#24064
TOTALS1524388+1136
📊

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