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BOSTON MARATHON 2023

Jessica Anderson

Bib: 20716•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F45-49)
#0 / 1817
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #16692
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
51:31
Rank: #16443 (+249)
5K → 10K
25:30 | 8:12/mi
15K· 9.32 mi
1:17:07
Rank: #16325 (+118)
10K → 15K
25:36 | 8:14/mi
20K· 12.43 mi
1:43:01
Rank: #16187 (+138)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:48:41
Rank: #16214 (-27)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:08:56
Rank: #16032 (+182)
Half → 25K
20:15 | 8:21/mi
30K· 18.64 mi
2:35:52
Rank: #15883 (+149)
25K → 30K
26:56 | 8:40/mi
20M
2:47:38
Rank: #15757 (+126)
30K → 20M
11:46 | 8:40/mi
21M
2:57:08
Rank: #15761 (-4)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:03:09
Rank: #15632 (+129)
21M → 35K
6:01 | 8:03/mi
23M
3:14:08
Rank: #15570 (+62)
35K → 23M
10:59 | 8:46/mi
24M
3:22:51
Rank: #15558 (+12)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:30:23
Rank: #15546 (+12)
24M → 40K
7:32 | 8:49/mi
25.2M
3:33:47
Rank: #15583 (-37)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:42:54
Rank: #15664 (-81)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:54:13
Pace8:43 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0526:018:2226:01
8:22
-
10K
6.21 mi11:43:3551:318:1725:30
8:12
-0:10
15K
9.32 mi12:09:111:17:078:1625:36
8:14
+0:02
20K
12.43 mi12:35:051:43:018:1725:54
8:20
+0:06
Half
13.11 mi12:40:451:48:418:175:40
8:18
-0:02
25K
15.53 mi13:01:002:08:568:1820:15
8:21
+0:03
30K
18.64 mi13:27:562:35:528:2226:56
8:40
+0:19
20M
20.00 mi13:39:422:47:388:2311:46
8:40
0:00
21M
21.00 mi13:49:122:57:088:269:30
9:30
+0:50
35K
21.75 mi13:55:133:03:098:256:01
8:03
-1:27
23M
23.00 mi14:06:123:14:088:2610:59
8:46
+0:43
24M
24.00 mi14:14:553:22:518:278:43
8:43
-0:03
40K
24.85 mi14:22:273:30:238:287:32
8:49
+0:06
25.2M
25.20 mi14:25:513:33:478:293:24
9:52
+1:03
Finish
26.22 mi14:34:583:42:548:309:07
8:57
-0:55

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

8:03 /mi

Average Pace

8:30 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:57

61% of race

Time at Steady Pace

1:05:56

30% of race

Time at Slower Pace

22:01

10% of race

Average Pace: 8:30 /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 mi11:18:0526:018:2226:01
8:22
#16692
10K
6.21 mi11:43:3551:318:1725:30
8:12
#16443
15K
9.32 mi12:09:111:17:078:1625:36
8:14
#16325
20K
12.43 mi12:35:051:43:018:1725:54
8:20
#16187
Half
13.11 mi12:40:451:48:418:175:40
8:18
#16214
25K
15.53 mi13:01:002:08:568:1820:15
8:21
#16032
30K
18.64 mi13:27:562:35:528:2226:56
8:40
#15883
20M
20.00 mi13:39:422:47:388:2311:46
8:40
#15757
21M
21.00 mi13:49:122:57:088:269:30
9:30
#15761
35K
21.75 mi13:55:133:03:098:256:01
8:03
#15632
23M
23.00 mi14:06:123:14:088:2610:59
8:46
#15570
24M
24.00 mi14:14:553:22:518:278:43
8:43
#15558
40K
24.85 mi14:22:273:30:238:287:32
8:49
#15546
25.2M
25.20 mi14:25:513:33:478:293:24
9:52
#15583
Finish
26.22 mi14:34:583:42:548:309:07
8:57
#15664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi166925724572416147(Top 61%)5380(Top 47%)5380(Top 296%)
10K6.21 mi3.10 mi16443+2495550+1745550+17416318(Top 61%)5464(Top 48%)5464(Top 301%)
15K9.32 mi3.11 mi16325+1185483+675483+6716147(Top 61%)5380(Top 47%)5380(Top 296%)
20K12.43 mi3.11 mi16187+1385414+695414+6915861(Top 60%)5263(Top 46%)5263(Top 290%)
Half13.11 mi0.68 mi16214-275437-235437-2316537(Top 62%)5620(Top 49%)5620(Top 309%)
25K15.53 mi2.42 mi16032+1825355+825355+8215295(Top 57%)5019(Top 44%)5019(Top 276%)
30K18.64 mi3.11 mi15883+1495303+525303+5215331(Top 58%)5131(Top 45%)5131(Top 282%)
20M20.00 mi1.36 mi15757+1265243+605243+6014649(Top 55%)4801(Top 42%)4801(Top 264%)
21M21.00 mi1.00 mi15761-45275-325275-3215967(Top 60%)5611(Top 49%)5611(Top 309%)
35K21.75 mi0.75 mi15632+1295215+605215+6012503(Top 47%)3722(Top 33%)3722(Top 205%)
23M23.00 mi1.25 mi15570+625208+75208+714843(Top 56%)5086(Top 45%)5086(Top 280%)
24M24.00 mi1.00 mi15558+125220-125220-1215766(Top 59%)5679(Top 50%)5679(Top 313%)
40K24.85 mi0.85 mi15546+125216+45216+415154(Top 57%)5384(Top 47%)5384(Top 296%)
25.2M25.20 mi0.35 mi15583-375240-245240-2416840(Top 63%)6331(Top 55%)6331(Top 348%)
Finish26.22 mi1.02 mi15664-815288-485288-4817714(Top 67%)6758(Top 59%)6758(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16147

Females

5380

F45-49

5380

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16318

Females

5464

F45-49

5464

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16147

Females

5380

F45-49

5380

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15861

Females

5263

F45-49

5263

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16537

Females

5620

F45-49

5620

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15295

Females

5019

F45-49

5019

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15331

Females

5131

F45-49

5131

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14649

Females

4801

F45-49

4801

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15967

Females

5611

F45-49

5611

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12503

Females

3722

F45-49

3722

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14843

Females

5086

F45-49

5086

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15766

Females

5679

F45-49

5679

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15154

Females

5384

F45-49

5384

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16840

Females

6331

F45-49

6331

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17714

Females

6758

F45-49

6758

Passing Analysis

Category:
Athletes Passed
2137
Passed By
1109
Net Change
+1028
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16692
5K → 10K448199+249#16692#16443
10K → 15K249131+118#16443#16325
15K → 20K238100+138#16325#16187
20K → Half3360-27#16187#16214
Half → 25K23048+182#16214#16032
25K → 30K24697+149#16032#15883
30K → 20M15630+126#15883#15757
20M → 21M101105-4#15757#15761
21M → 35K1312+129#15761#15632
35K → 23M11452+62#15632#15570
23M → 24M7260+12#15570#15558
24M → 40K6048+12#15558#15546
40K → 25.2M2057-37#15546#15583
25.2M → Finish39120-81#15583#15664
TOTALS21371109+1028
📊

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