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BOSTON MARATHON 2023

Jen Burn

Bib: 16382•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:15
Rank: #12403
Start → 5K
24:15 | 7:48/mi
10K· 6.21 mi
48:09
Rank: #12267 (+136)
5K → 10K
23:54 | 7:42/mi
15K· 9.32 mi
1:12:19
Rank: #12307 (-40)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:36:36
Rank: #12151 (+156)
15K → 20K
24:17 | 7:49/mi
Half· 13.11 mi
1:41:56
Rank: #12200 (-49)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:01:01
Rank: #12101 (+99)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:26:40
Rank: #12197 (-96)
25K → 30K
25:39 | 8:15/mi
20M
2:37:59
Rank: #12212 (-15)
30K → 20M
11:19 | 8:20/mi
21M
2:46:51
Rank: #12229 (-17)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:53:02
Rank: #12277 (-48)
21M → 35K
6:11 | 8:16/mi
23M
3:03:35
Rank: #12305 (-28)
35K → 23M
10:33 | 8:26/mi
24M
3:11:49
Rank: #12329 (-24)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:18:56
Rank: #12305 (+24)
24M → 40K
7:07 | 8:19/mi
25.2M
3:21:57
Rank: #12295 (+10)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:30:08
Rank: #12303 (-8)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:56
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:48:12
Pace8:15 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3124:157:4824:15
7:48
-
10K
6.21 mi11:38:2548:097:4523:54
7:42
-0:06
15K
9.32 mi12:02:351:12:197:4624:10
7:47
+0:05
20K
12.43 mi12:26:521:36:367:4624:17
7:49
+0:02
Half
13.11 mi12:32:121:41:567:475:20
7:49
0:00
25K
15.53 mi12:51:172:01:017:4719:05
7:52
+0:03
30K
18.64 mi13:16:562:26:407:5225:39
8:15
+0:23
20M
20.00 mi13:28:152:37:597:5411:19
8:20
+0:05
21M
21.00 mi13:37:072:46:517:578:52
8:52
+0:32
35K
21.75 mi13:43:182:53:027:576:11
8:16
-0:36
23M
23.00 mi13:53:513:03:357:5910:33
8:26
+0:10
24M
24.00 mi14:02:053:11:498:008:14
8:14
-0:12
40K
24.85 mi14:09:123:18:568:007:07
8:19
+0:05
25.2M
25.20 mi14:12:133:21:578:013:01
8:45
+0:26
Finish
26.22 mi14:20:243:30:088:018:11
8:02
-0:43

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

7:42 /mi

Average Pace

8:01 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:15

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:14:3124:157:4824:15
7:48
#12403
10K
6.21 mi11:38:2548:097:4523:54
7:42
#12267
15K
9.32 mi12:02:351:12:197:4624:10
7:47
#12307
20K
12.43 mi12:26:521:36:367:4624:17
7:49
#12151
Half
13.11 mi12:32:121:41:567:475:20
7:49
#12200
25K
15.53 mi12:51:172:01:017:4719:05
7:52
#12101
30K
18.64 mi13:16:562:26:407:5225:39
8:15
#12197
20M
20.00 mi13:28:152:37:597:5411:19
8:20
#12212
21M
21.00 mi13:37:072:46:517:578:52
8:52
#12229
35K
21.75 mi13:43:182:53:027:576:11
8:16
#12277
23M
23.00 mi13:53:513:03:357:5910:33
8:26
#12305
24M
24.00 mi14:02:053:11:498:008:14
8:14
#12329
40K
24.85 mi14:09:123:18:568:007:07
8:19
#12305
25.2M
25.20 mi14:12:133:21:578:013:01
8:45
#12295
Finish
26.22 mi14:20:243:30:088:018:11
8:02
#12303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124033102310212541(Top 47%)3208(Top 28%)3208(Top 66%)
10K6.21 mi3.10 mi12267+1363015+873015+8712181(Top 46%)2974(Top 26%)2974(Top 61%)
15K9.32 mi3.11 mi12307-403069-543069-5412541(Top 47%)3208(Top 28%)3208(Top 66%)
20K12.43 mi3.11 mi12151+1563011+583011+5811897(Top 45%)2911(Top 25%)2911(Top 60%)
Half13.11 mi0.68 mi12200-493038-273038-2712912(Top 49%)3441(Top 30%)3441(Top 70%)
25K15.53 mi2.42 mi12101+992997+412997+4111709(Top 44%)2902(Top 25%)2902(Top 59%)
30K18.64 mi3.11 mi12197-963094-973094-9712728(Top 48%)3594(Top 31%)3594(Top 74%)
20M20.00 mi1.36 mi12212-153109-153109-1512544(Top 47%)3601(Top 32%)3601(Top 74%)
21M21.00 mi1.00 mi12229-173142-333142-3312664(Top 48%)3760(Top 33%)3760(Top 77%)
35K21.75 mi0.75 mi12277-483183-413183-4113911(Top 52%)4502(Top 39%)4502(Top 92%)
23M23.00 mi1.25 mi12305-283233-503233-5012759(Top 48%)3938(Top 34%)3938(Top 81%)
24M24.00 mi1.00 mi12329-243257-243257-2412842(Top 48%)4041(Top 35%)4041(Top 83%)
40K24.85 mi0.85 mi12305+243258-13258-112233(Top 46%)3790(Top 33%)3790(Top 78%)
25.2M25.20 mi0.35 mi12295+103268-103268-1011095(Top 42%)3253(Top 28%)3253(Top 67%)
Finish26.22 mi1.02 mi12303-83292-243292-2412354(Top 46%)3885(Top 34%)3885(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12541

Females

3208

F18-39

3208

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12181

Females

2974

F18-39

2974

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12541

Females

3208

F18-39

3208

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11897

Females

2911

F18-39

2911

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12912

Females

3441

F18-39

3441

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11709

Females

2902

F18-39

2902

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12728

Females

3594

F18-39

3594

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12544

Females

3601

F18-39

3601

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12664

Females

3760

F18-39

3760

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13911

Females

4502

F18-39

4502

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12759

Females

3938

F18-39

3938

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12842

Females

4041

F18-39

4041

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12233

Females

3790

F18-39

3790

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11095

Females

3253

F18-39

3253

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12354

Females

3885

F18-39

3885

Passing Analysis

Category:
Athletes Passed
1711
Passed By
1611
Net Change
+100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12403
5K → 10K402266+136#12403#12267
10K → 15K175215-40#12267#12307
15K → 20K25498+156#12307#12151
20K → Half1362-49#12151#12200
Half → 25K17273+99#12200#12101
25K → 30K170266-96#12101#12197
30K → 20M96111-15#12197#12212
20M → 21M8097-17#12212#12229
21M → 35K3280-48#12229#12277
35K → 23M83111-28#12277#12305
23M → 24M5175-24#12305#12329
24M → 40K7147+24#12329#12305
40K → 25.2M3626+10#12305#12295
25.2M → Finish7684-8#12295#12303
TOTALS17111611+100
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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