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BOSTON MARATHON 2023

Jenifer Baker

Bib: 17075•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:40
Rank: #15890
Start → 5K
25:40 | 8:16/mi
10K· 6.21 mi
50:58
Rank: #15844 (+46)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:15:13
Rank: #14908 (+936)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:39:46
Rank: #14309 (+599)
15K → 20K
24:33 | 7:54/mi
Half· 13.11 mi
1:45:07
Rank: #14251 (+58)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:04:11
Rank: #13826 (+425)
Half → 25K
19:04 | 7:52/mi
30K· 18.64 mi
2:30:05
Rank: #13685 (+141)
25K → 30K
25:54 | 8:20/mi
20M
2:41:29
Rank: #13624 (+61)
30K → 20M
11:24 | 8:23/mi
21M
2:50:19
Rank: #13533 (+91)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:55:59
Rank: #13350 (+183)
21M → 35K
5:40 | 7:34/mi
23M
3:06:21
Rank: #13208 (+142)
35K → 23M
10:22 | 8:17/mi
24M
3:14:19
Rank: #13094 (+114)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:21:16
Rank: #13004 (+90)
24M → 40K
6:57 | 8:08/mi
25.2M
3:24:26
Rank: #13006 (-2)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:32:48
Rank: #12999 (+7)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:07
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0725:408:1625:40
8:16
-
10K
6.21 mi11:41:2550:588:1225:18
8:09
-0:07
15K
9.32 mi12:05:401:15:138:0424:15
7:48
-0:21
20K
12.43 mi12:30:131:39:468:0224:33
7:54
+0:06
Half
13.11 mi12:35:341:45:078:015:21
7:50
-0:04
25K
15.53 mi12:54:382:04:118:0019:04
7:52
+0:02
30K
18.64 mi13:20:322:30:058:0325:54
8:20
+0:28
20M
20.00 mi13:31:562:41:298:0411:24
8:23
+0:03
21M
21.00 mi13:40:462:50:198:078:50
8:50
+0:27
35K
21.75 mi13:46:262:55:598:065:40
7:34
-1:16
23M
23.00 mi13:56:483:06:218:0610:22
8:17
+0:43
24M
24.00 mi14:04:463:14:198:067:58
7:58
-0:19
40K
24.85 mi14:11:433:21:168:066:57
8:08
+0:10
25.2M
25.20 mi14:14:533:24:268:073:10
9:11
+1:03
Finish
26.22 mi14:23:153:32:488:078:22
8:13
-0:58

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

7:34 /mi

Average Pace

8:07 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:53

37% of race

Time at Steady Pace

1:50:31

52% of race

Time at Slower Pace

23:24

11% of race

Average Pace: 8:07 /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 mi11:16:0725:408:1625:40
8:16
#15890
10K
6.21 mi11:41:2550:588:1225:18
8:09
#15844
15K
9.32 mi12:05:401:15:138:0424:15
7:48
#14908
20K
12.43 mi12:30:131:39:468:0224:33
7:54
#14309
Half
13.11 mi12:35:341:45:078:015:21
7:50
#14251
25K
15.53 mi12:54:382:04:118:0019:04
7:52
#13826
30K
18.64 mi13:20:322:30:058:0325:54
8:20
#13685
20M
20.00 mi13:31:562:41:298:0411:24
8:23
#13624
21M
21.00 mi13:40:462:50:198:078:50
8:50
#13533
35K
21.75 mi13:46:262:55:598:065:40
7:34
#13350
23M
23.00 mi13:56:483:06:218:0610:22
8:17
#13208
24M
24.00 mi14:04:463:14:198:067:58
7:58
#13094
40K
24.85 mi14:11:433:21:168:066:57
8:08
#13004
25.2M
25.20 mi14:14:533:24:268:073:10
9:11
#13006
Finish
26.22 mi14:23:153:32:488:078:22
8:13
#12999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158905208520812784(Top 48%)3340(Top 29%)3340(Top 68%)
10K6.21 mi3.10 mi15844+465184+245184+2415845(Top 60%)5168(Top 45%)5168(Top 106%)
15K9.32 mi3.11 mi14908+9364602+5824602+58212784(Top 48%)3340(Top 29%)3340(Top 68%)
20K12.43 mi3.11 mi14309+5994258+3444258+34412654(Top 48%)3356(Top 29%)3356(Top 69%)
Half13.11 mi0.68 mi14251+584228+304228+3013160(Top 49%)3594(Top 31%)3594(Top 74%)
25K15.53 mi2.42 mi13826+4254007+2214007+22111673(Top 44%)2882(Top 25%)2882(Top 59%)
30K18.64 mi3.11 mi13685+1413950+573950+5713278(Top 50%)3904(Top 34%)3904(Top 80%)
20M20.00 mi1.36 mi13624+613932+183932+1812969(Top 49%)3838(Top 34%)3838(Top 79%)
21M21.00 mi1.00 mi13533+913898+343898+3412470(Top 47%)3669(Top 32%)3669(Top 75%)
35K21.75 mi0.75 mi13350+1833801+973801+979161(Top 34%)2011(Top 18%)2011(Top 41%)
23M23.00 mi1.25 mi13208+1423739+623739+6211774(Top 44%)3396(Top 30%)3396(Top 70%)
24M24.00 mi1.00 mi13094+1143704+353704+3511043(Top 41%)3116(Top 27%)3116(Top 64%)
40K24.85 mi0.85 mi13004+903681+233681+2310932(Top 41%)3118(Top 27%)3118(Top 64%)
25.2M25.20 mi0.35 mi13006-23686-53686-513580(Top 51%)4517(Top 40%)4517(Top 92%)
Finish26.22 mi1.02 mi12999+73700-143700-1413520(Top 51%)4475(Top 39%)4475(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12784

Females

3340

F18-39

3340

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15845

Females

5168

F18-39

5168

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12784

Females

3340

F18-39

3340

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12654

Females

3356

F18-39

3356

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13160

Females

3594

F18-39

3594

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11673

Females

2882

F18-39

2882

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13278

Females

3904

F18-39

3904

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12969

Females

3838

F18-39

3838

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12470

Females

3669

F18-39

3669

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9161

Females

2011

F18-39

2011

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11774

Females

3396

F18-39

3396

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11043

Females

3116

F18-39

3116

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10932

Females

3118

F18-39

3118

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13580

Females

4517

F18-39

4517

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13520

Females

4475

F18-39

4475

Passing Analysis

Category:
Athletes Passed
3568
Passed By
677
Net Change
+2891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15890
5K → 10K313267+46#15890#15844
10K → 15K9437+936#15844#14908
15K → 20K61213+599#14908#14309
20K → Half646+58#14309#14251
Half → 25K4305+425#14251#13826
25K → 30K253112+141#13826#13685
30K → 20M12665+61#13685#13624
20M → 21M13140+91#13624#13533
21M → 35K1852+183#13533#13350
35K → 23M17836+142#13350#13208
23M → 24M13420+114#13208#13094
24M → 40K10717+90#13094#13004
40K → 25.2M2830-2#13004#13006
25.2M → Finish6457+7#13006#12999
TOTALS3568677+2891
📊

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