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BOSTON MARATHON 2023

Janice Anderson

Bib: 23548•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:48
Rank: #21443
Start → 5K
28:48 | 9:16/mi
10K· 6.21 mi
58:05
Rank: #21881 (-438)
5K → 10K
29:17 | 9:26/mi
15K· 9.32 mi
1:27:49
Rank: #22051 (-170)
10K → 15K
29:44 | 9:34/mi
20K· 12.43 mi
1:58:08
Rank: #22122 (-71)
15K → 20K
30:19 | 9:45/mi
Half· 13.11 mi
2:04:44
Rank: #22155 (-33)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:28:42
Rank: #22102 (+53)
Half → 25K
23:58 | 9:53/mi
30K· 18.64 mi
3:00:19
Rank: #21984 (+118)
25K → 30K
31:37 | 10:11/mi
20M
3:14:08
Rank: #21898 (+86)
30K → 20M
13:49 | 10:10/mi
21M
3:24:56
Rank: #21820 (+78)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
3:32:16
Rank: #21789 (+31)
21M → 35K
7:20 | 9:48/mi
23M
3:45:11
Rank: #21723 (+66)
35K → 23M
12:55 | 10:19/mi
24M
3:55:06
Rank: #21677 (+46)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
4:03:45
Rank: #21635 (+42)
24M → 40K
8:39 | 10:07/mi
25.2M
4:07:26
Rank: #21589 (+46)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
4:17:06
Rank: #21533 (+56)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:12:22
Pace10:06 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4928:489:1628:48
9:16
-
10K
6.21 mi11:53:0658:059:2129:17
9:26
+0:10
15K
9.32 mi12:22:501:27:499:2529:44
9:34
+0:08
20K
12.43 mi12:53:091:58:089:3030:19
9:45
+0:11
Half
13.11 mi12:59:452:04:449:316:36
9:40
-0:05
25K
15.53 mi13:23:432:28:429:3423:58
9:53
+0:13
30K
18.64 mi13:55:203:00:199:4031:37
10:11
+0:18
20M
20.00 mi14:09:093:14:089:4213:49
10:10
-0:01
21M
21.00 mi14:19:573:24:569:4610:48
10:48
+0:38
35K
21.75 mi14:27:173:32:169:467:20
9:48
-1:00
23M
23.00 mi14:40:123:45:119:4712:55
10:19
+0:31
24M
24.00 mi14:50:073:55:069:489:55
9:55
-0:24
40K
24.85 mi14:58:464:03:459:488:39
10:07
+0:12
25.2M
25.20 mi15:02:274:07:269:493:41
10:41
+0:34
Finish
26.22 mi15:12:074:17:069:499:40
9:29
-1:12

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

9:16 /mi

Average Pace

9:49 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:49:42

89% of race

Time at Steady Pace

27:24

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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 mi11:23:4928:489:1628:48
9:16
#21443
10K
6.21 mi11:53:0658:059:2129:17
9:26
#21881
15K
9.32 mi12:22:501:27:499:2529:44
9:34
#22051
20K
12.43 mi12:53:091:58:089:3030:19
9:45
#22122
Half
13.11 mi12:59:452:04:449:316:36
9:40
#22155
25K
15.53 mi13:23:432:28:429:3423:58
9:53
#22102
30K
18.64 mi13:55:203:00:199:4031:37
10:11
#21984
20M
20.00 mi14:09:093:14:089:4213:49
10:10
#21898
21M
21.00 mi14:19:573:24:569:4610:48
10:48
#21820
35K
21.75 mi14:27:173:32:169:467:20
9:48
#21789
23M
23.00 mi14:40:123:45:119:4712:55
10:19
#21723
24M
24.00 mi14:50:073:55:069:489:55
9:55
#21677
40K
24.85 mi14:58:464:03:459:488:39
10:07
#21635
25.2M
25.20 mi15:02:274:07:269:493:41
10:41
#21589
Finish
26.22 mi15:12:074:17:069:499:40
9:29
#21533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi214438605860522447(Top 84%)9037(Top 79%)9037(Top 1109%)
10K6.21 mi3.10 mi21881-4388784-1798784-17922291(Top 84%)8975(Top 79%)8975(Top 1101%)
15K9.32 mi3.11 mi22051-1708864-808864-8022447(Top 84%)9037(Top 79%)9037(Top 1109%)
20K12.43 mi3.11 mi22122-718896-328896-3222309(Top 84%)8968(Top 79%)8968(Top 1100%)
Half13.11 mi0.68 mi22155-338913-178913-1722593(Top 85%)9124(Top 80%)9124(Top 1120%)
25K15.53 mi2.42 mi22102+538884+298884+2921956(Top 82%)8808(Top 77%)8808(Top 1081%)
30K18.64 mi3.11 mi21984+1188825+598825+5921482(Top 81%)8624(Top 75%)8624(Top 1058%)
20M20.00 mi1.36 mi21898+868791+348791+3420934(Top 79%)8377(Top 73%)8377(Top 1028%)
21M21.00 mi1.00 mi21820+788751+408751+4020393(Top 77%)8144(Top 71%)8144(Top 999%)
35K21.75 mi0.75 mi21789+318745+68745+620791(Top 78%)8391(Top 73%)8391(Top 1030%)
23M23.00 mi1.25 mi21723+668725+208725+2020869(Top 78%)8447(Top 74%)8447(Top 1036%)
24M24.00 mi1.00 mi21677+468711+148711+1420571(Top 77%)8311(Top 73%)8311(Top 1020%)
40K24.85 mi0.85 mi21635+428695+168695+1620305(Top 76%)8226(Top 72%)8226(Top 1009%)
25.2M25.20 mi0.35 mi21589+468678+178678+1719701(Top 74%)7909(Top 69%)7909(Top 970%)
Finish26.22 mi1.02 mi21533+568656+228656+2220089(Top 75%)8057(Top 71%)8057(Top 989%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22447

Females

9037

F55-59

9037

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22291

Females

8975

F55-59

8975

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22447

Females

9037

F55-59

9037

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22309

Females

8968

F55-59

8968

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22593

Females

9124

F55-59

9124

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21956

Females

8808

F55-59

8808

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21482

Females

8624

F55-59

8624

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20934

Females

8377

F55-59

8377

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20393

Females

8144

F55-59

8144

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20791

Females

8391

F55-59

8391

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20869

Females

8447

F55-59

8447

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20571

Females

8311

F55-59

8311

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20305

Females

8226

F55-59

8226

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19701

Females

7909

F55-59

7909

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20089

Females

8057

F55-59

8057

Passing Analysis

Category:
Athletes Passed
1257
Passed By
1347
Net Change
-90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21443
5K → 10K104542-438#21443#21881
10K → 15K105275-170#21881#22051
15K → 20K111182-71#22051#22122
20K → Half1851-33#22122#22155
Half → 25K12572+53#22155#22102
25K → 30K19678+118#22102#21984
30K → 20M11428+86#21984#21898
20M → 21M9921+78#21898#21820
21M → 35K4514+31#21820#21789
35K → 23M9327+66#21789#21723
23M → 24M6418+46#21723#21677
24M → 40K5917+42#21677#21635
40K → 25.2M482+46#21635#21589
25.2M → Finish7620+56#21589#21533
TOTALS12571347-90
📊

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