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BOSTON MARATHON 2023

Jessica Milander

Bib: 19542•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F40-44)
#0 / 1878
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
9:09/mi
28:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
55:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:22:07
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:50:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:56:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:16:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:43:10
↑ 181↓ 1480.2%
20M
8:09/mi
2:54:15
↑ 64↓ 500.2%
21M
8:43/mi
3:02:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
3:08:56
↑ 17↓ 861.7%
23M
8:01/mi
3:18:58
↑ 23↓ 630.6%
24M
7:33/mi
3:26:31
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:33:10
↓ 200.3%
25.2M
8:25/mi
3:36:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:43:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:39
Pace8:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
📊Negative Split: 8.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1428:259:0928:25
9:09
-
10K
6.21 mi11:49:2055:318:5627:06
8:43
-0:26
15K
9.32 mi12:15:561:22:078:4926:36
8:34
-0:09
20K
12.43 mi12:44:411:50:528:5528:45
9:15
+0:41
Half
13.11 mi12:50:281:56:398:545:47
8:29
-0:46
25K
15.53 mi13:10:472:16:588:4920:19
8:23
-0:06
30K
18.64 mi13:36:592:43:108:4526:12
8:26
+0:03
20M
20.00 mi13:48:042:54:158:4311:05
8:09
-0:17
21M
21.00 mi13:56:473:02:588:438:43
8:43
+0:34
35K
21.75 mi14:02:453:08:568:415:58
7:59
-0:44
23M
23.00 mi14:12:473:18:588:3910:02
8:01
+0:02
24M
24.00 mi14:20:203:26:318:367:33
7:33
-0:28
40K
24.85 mi14:26:593:33:108:356:39
7:47
+0:14
25.2M
25.20 mi14:29:533:36:048:342:54
8:25
+0:38
Finish
26.22 mi14:37:413:43:528:337:48
7:39
-0:46

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

7:33 /mi

Average Pace

8:33 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:05

22% of race

Time at Steady Pace

1:21:48

37% of race

Time at Slower Pace

1:32:59

42% of race

Average Pace: 8:32 /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 mi11:22:1428:259:0928:25
9:09
#21031
10K
6.21 mi11:49:2055:318:5627:06
8:43
#20369
15K
9.32 mi12:15:561:22:078:4926:36
8:34
#19651
20K
12.43 mi12:44:411:50:528:5528:45
9:15
#19965
Half
13.11 mi12:50:281:56:398:545:47
8:29
#19841
25K
15.53 mi13:10:472:16:588:4920:19
8:23
#19184
30K
18.64 mi13:36:592:43:108:4526:12
8:26
#18293
20M
20.00 mi13:48:042:54:158:4311:05
8:09
#17796
21M
21.00 mi13:56:473:02:588:438:43
8:43
#17461
35K
21.75 mi14:02:453:08:568:415:58
7:59
#17263
23M
23.00 mi14:12:473:18:588:3910:02
8:01
#16876
24M
24.00 mi14:20:203:26:318:367:33
7:33
#16546
40K
24.85 mi14:26:593:33:108:356:39
7:47
#16235
25.2M
25.20 mi14:29:533:36:048:342:54
8:25
#16134
Finish
26.22 mi14:37:413:43:528:337:48
7:39
#15899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi210318387838718210(Top 68%)6617(Top 58%)6617(Top 352%)
10K6.21 mi3.10 mi20369+6627961+4267961+42619552(Top 73%)7419(Top 65%)7419(Top 395%)
15K9.32 mi3.11 mi19651+7187539+4227539+42218210(Top 68%)6617(Top 58%)6617(Top 352%)
20K12.43 mi3.11 mi19965-3147706-1677706-16720798(Top 78%)8110(Top 71%)8110(Top 432%)
Half13.11 mi0.68 mi19841+1247625+817625+8117592(Top 66%)6229(Top 55%)6229(Top 332%)
25K15.53 mi2.42 mi19184+6577227+3987227+39815471(Top 58%)5126(Top 45%)5126(Top 273%)
30K18.64 mi3.11 mi18293+8916735+4926735+49213906(Top 52%)4280(Top 37%)4280(Top 228%)
20M20.00 mi1.36 mi17796+4976457+2786457+27811436(Top 43%)2971(Top 26%)2971(Top 158%)
21M21.00 mi1.00 mi17461+3356268+1896268+18911811(Top 44%)3317(Top 29%)3317(Top 177%)
35K21.75 mi0.75 mi17263+1986159+1096159+10912033(Top 45%)3469(Top 30%)3469(Top 185%)
23M23.00 mi1.25 mi16876+3875949+2105949+2109889(Top 37%)2473(Top 22%)2473(Top 132%)
24M24.00 mi1.00 mi16546+3305774+1755774+1758102(Top 30%)1735(Top 15%)1735(Top 92%)
40K24.85 mi0.85 mi16235+3115614+1605614+1608600(Top 32%)2002(Top 18%)2002(Top 107%)
25.2M25.20 mi0.35 mi16134+1015550+645550+649098(Top 34%)2324(Top 20%)2324(Top 124%)
Finish26.22 mi1.02 mi15899+2355428+1225428+1229712(Top 36%)2591(Top 23%)2591(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18210

Females

6617

F40-44

6617

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19552

Females

7419

F40-44

7419

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18210

Females

6617

F40-44

6617

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20798

Females

8110

F40-44

8110

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17592

Females

6229

F40-44

6229

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

15471

Females

5126

F40-44

5126

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13906

Females

4280

F40-44

4280

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11436

Females

2971

F40-44

2971

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11811

Females

3317

F40-44

3317

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12033

Females

3469

F40-44

3469

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9889

Females

2473

F40-44

2473

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8102

Females

1735

F40-44

1735

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8600

Females

2002

F40-44

2002

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9098

Females

2324

F40-44

2324

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9712

Females

2591

F40-44

2591

Passing Analysis

Category:
Athletes Passed
5663
Passed By
531
Net Change
+5132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21031
5K → 10K75593+662#21031#20369
10K → 15K74224+718#20369#19651
15K → 20K89403-314#19651#19965
20K → Half1251+124#19965#19841
Half → 25K6581+657#19841#19184
25K → 30K8910+891#19184#18293
30K → 20M4970+497#18293#17796
20M → 21M3361+335#17796#17461
21M → 35K1991+198#17461#17263
35K → 23M3881+387#17263#16876
23M → 24M3300+330#16876#16546
24M → 40K3110+311#16546#16235
40K → 25.2M1010+101#16235#16134
25.2M → Finish2416+235#16134#15899
TOTALS5663531+5132
📊

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