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BOSTON MARATHON 2023

Jessica Mills

Bib: 15658•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 50%
Division (F45-49)
#0 / 1817
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
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:20:36
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:48:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:54:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:15:36
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:43:34
↑ 181↓ 1480.2%
20M
8:59/mi
2:55:47
↑ 64↓ 500.2%
21M
9:19/mi
3:05:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:11:33
↑ 17↓ 861.7%
23M
8:55/mi
3:22:43
↑ 23↓ 630.6%
24M
9:00/mi
3:31:43
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:39:32
↓ 200.3%
25.2M
10:12/mi
3:43:03
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
3:52:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:07
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:58:10
Pace9:01 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0126:498:3826:49
8:38
-
10K
6.21 mi11:48:5253:408:3826:51
8:39
+0:01
15K
9.32 mi12:15:481:20:368:3926:56
8:40
+0:01
20K
12.43 mi12:43:231:48:118:4227:35
8:53
+0:13
Half
13.11 mi12:49:191:54:078:425:56
8:42
-0:11
25K
15.53 mi13:10:482:15:368:4421:29
8:52
+0:10
30K
18.64 mi13:38:462:43:348:4627:58
9:00
+0:08
20M
20.00 mi13:50:592:55:478:4712:13
8:59
-0:01
21M
21.00 mi14:00:183:05:068:499:19
9:19
+0:20
35K
21.75 mi14:06:453:11:338:486:27
8:37
-0:42
23M
23.00 mi14:17:553:22:438:4911:10
8:55
+0:18
24M
24.00 mi14:26:553:31:438:499:00
9:00
+0:05
40K
24.85 mi14:34:443:39:328:507:49
9:09
+0:09
25.2M
25.20 mi14:38:153:43:038:513:31
10:12
+1:03
Finish
26.22 mi14:47:293:52:178:529:14
9:04
-1:08

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

8:37 /mi

Average Pace

8:52 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:46

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:31

2% of race

Average Pace: 8:52 /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 mi11:22:0126:498:3826:49
8:38
#18435
10K
6.21 mi11:48:5253:408:3826:51
8:39
#18729
15K
9.32 mi12:15:481:20:368:3926:56
8:40
#18743
20K
12.43 mi12:43:231:48:118:4227:35
8:53
#18824
Half
13.11 mi12:49:191:54:078:425:56
8:42
#18822
25K
15.53 mi13:10:482:15:368:4421:29
8:52
#18736
30K
18.64 mi13:38:462:43:348:4627:58
9:00
#18423
20M
20.00 mi13:50:592:55:478:4712:13
8:59
#18275
21M
21.00 mi14:00:183:05:068:499:19
9:19
#18053
35K
21.75 mi14:06:453:11:338:486:27
8:37
#17991
23M
23.00 mi14:17:553:22:438:4911:10
8:55
#17862
24M
24.00 mi14:26:553:31:438:499:00
9:00
#17849
40K
24.85 mi14:34:443:39:328:507:49
9:09
#17803
25.2M
25.20 mi14:38:153:43:038:513:31
10:12
#17815
Finish
26.22 mi14:47:293:52:178:529:14
9:04
#17828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi184356836683618839(Top 71%)7002(Top 61%)7002(Top 385%)
10K6.21 mi3.10 mi18729-2946965-1296965-12919103(Top 72%)7142(Top 63%)7142(Top 393%)
15K9.32 mi3.11 mi18743-146970-56970-518839(Top 71%)7002(Top 61%)7002(Top 385%)
20K12.43 mi3.11 mi18824-817014-447014-4419108(Top 72%)7153(Top 63%)7153(Top 394%)
Half13.11 mi0.68 mi18822+27017-37017-318943(Top 71%)7042(Top 62%)7042(Top 388%)
25K15.53 mi2.42 mi18736+866975+426975+4218278(Top 69%)6710(Top 59%)6710(Top 369%)
30K18.64 mi3.11 mi18423+3136820+1556820+15517180(Top 65%)6179(Top 54%)6179(Top 340%)
20M20.00 mi1.36 mi18275+1486747+736747+7316518(Top 62%)5883(Top 52%)5883(Top 324%)
21M21.00 mi1.00 mi18053+2226624+1236624+12315121(Top 57%)5138(Top 45%)5138(Top 283%)
35K21.75 mi0.75 mi17991+626591+336591+3316032(Top 60%)5722(Top 50%)5722(Top 315%)
23M23.00 mi1.25 mi17862+1296535+566535+5615656(Top 59%)5554(Top 49%)5554(Top 306%)
24M24.00 mi1.00 mi17849+136536-16536-117256(Top 65%)6494(Top 57%)6494(Top 357%)
40K24.85 mi0.85 mi17803+466515+216515+2116855(Top 63%)6320(Top 55%)6320(Top 348%)
25.2M25.20 mi0.35 mi17815-126526-116526-1118144(Top 68%)7024(Top 61%)7024(Top 387%)
Finish26.22 mi1.02 mi17828-136546-206546-2018291(Top 69%)7057(Top 62%)7057(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18839

Females

7002

F45-49

7002

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19103

Females

7142

F45-49

7142

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18839

Females

7002

F45-49

7002

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19108

Females

7153

F45-49

7153

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18943

Females

7042

F45-49

7042

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18278

Females

6710

F45-49

6710

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17180

Females

6179

F45-49

6179

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16518

Females

5883

F45-49

5883

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15121

Females

5138

F45-49

5138

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16032

Females

5722

F45-49

5722

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15656

Females

5554

F45-49

5554

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17256

Females

6494

F45-49

6494

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16855

Females

6320

F45-49

6320

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18144

Females

7024

F45-49

7024

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18291

Females

7057

F45-49

7057

Passing Analysis

Category:
Athletes Passed
1894
Passed By
1287
Net Change
+607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18435
5K → 10K199493-294#18435#18729
10K → 15K176190-14#18729#18743
15K → 20K141222-81#18743#18824
20K → Half2826+2#18824#18822
Half → 25K15468+86#18822#18736
25K → 30K35845+313#18736#18423
30K → 20M17123+148#18423#18275
20M → 21M23311+222#18275#18053
21M → 35K7715+62#18053#17991
35K → 23M15324+129#17991#17862
23M → 24M6653+13#17862#17849
24M → 40K6923+46#17849#17803
40K → 25.2M2335-12#17803#17815
25.2M → Finish4659-13#17815#17828
TOTALS18941287+607
📊

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