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BOSTON MARATHON 2023

Janice Stanford

Bib: 22639•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:23
Rank: #17522
Start → 5K
26:23 | 8:30/mi
10K· 6.21 mi
53:52
Rank: #18946 (-1424)
5K → 10K
27:29 | 8:51/mi
15K· 9.32 mi
1:21:45
Rank: #19452 (-506)
10K → 15K
27:53 | 8:58/mi
20K· 12.43 mi
1:50:26
Rank: #19794 (-342)
15K → 20K
28:41 | 9:14/mi
Half· 13.11 mi
1:56:43
Rank: #19868 (-74)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:19:54
Rank: #20143 (-275)
Half → 25K
23:11 | 9:34/mi
30K· 18.64 mi
2:50:47
Rank: #20312 (-169)
25K → 30K
30:53 | 9:56/mi
20M
3:03:51
Rank: #20223 (+89)
30K → 20M
13:04 | 9:37/mi
21M
3:14:42
Rank: #20231 (-8)
20M → 21M
10:51 | 10:51/mi
35K· 21.75 mi
3:21:32
Rank: #20165 (+66)
21M → 35K
6:50 | 9:08/mi
23M
3:33:16
Rank: #20030 (+135)
35K → 23M
11:44 | 9:22/mi
24M
3:42:18
Rank: #19912 (+118)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:50:08
Rank: #19817 (+95)
24M → 40K
7:50 | 9:10/mi
25.2M
3:53:46
Rank: #19804 (+13)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:03:18
Rank: #19799 (+5)
25.2M → Finish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:43
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:06:35
Pace9:39 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2426:238:3026:23
8:30
-
10K
6.21 mi11:47:5353:528:4027:29
8:51
+0:21
15K
9.32 mi12:15:461:21:458:4627:53
8:58
+0:07
20K
12.43 mi12:44:271:50:268:5328:41
9:14
+0:16
Half
13.11 mi12:50:441:56:438:546:17
9:13
-0:01
25K
15.53 mi13:13:552:19:549:0023:11
9:34
+0:21
30K
18.64 mi13:44:482:50:479:1030:53
9:56
+0:22
20M
20.00 mi13:57:523:03:519:1213:04
9:37
-0:19
21M
21.00 mi14:08:433:14:429:1610:51
10:51
+1:14
35K
21.75 mi14:15:333:21:329:166:50
9:08
-1:43
23M
23.00 mi14:27:173:33:169:1611:44
9:22
+0:14
24M
24.00 mi14:36:193:42:189:169:02
9:02
-0:20
40K
24.85 mi14:44:093:50:089:167:50
9:10
+0:08
25.2M
25.20 mi14:47:473:53:469:173:38
10:32
+1:22
Finish
26.22 mi14:57:194:03:189:179:32
9:21
-1:11

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

8:30 /mi

Average Pace

9:17 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:52

22% of race

Time at Steady Pace

1:47:49

44% of race

Time at Slower Pace

1:21:37

34% of race

Average Pace: 9:17 /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 mi11:20:2426:238:3026:23
8:30
#17522
10K
6.21 mi11:47:5353:528:4027:29
8:51
#18946
15K
9.32 mi12:15:461:21:458:4627:53
8:58
#19452
20K
12.43 mi12:44:271:50:268:5328:41
9:14
#19794
Half
13.11 mi12:50:441:56:438:546:17
9:13
#19868
25K
15.53 mi13:13:552:19:549:0023:11
9:34
#20143
30K
18.64 mi13:44:482:50:479:1030:53
9:56
#20312
20M
20.00 mi13:57:523:03:519:1213:04
9:37
#20223
21M
21.00 mi14:08:433:14:429:1610:51
10:51
#20231
35K
21.75 mi14:15:333:21:329:166:50
9:08
#20165
23M
23.00 mi14:27:173:33:169:1611:44
9:22
#20030
24M
24.00 mi14:36:193:42:189:169:02
9:02
#19912
40K
24.85 mi14:44:093:50:089:167:50
9:10
#19817
25.2M
25.20 mi14:47:473:53:469:173:38
10:32
#19804
Finish
26.22 mi14:57:194:03:189:179:32
9:21
#19799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi175226271627120394(Top 77%)7896(Top 69%)7896(Top 654%)
10K6.21 mi3.10 mi18946-14247114-8437114-84320174(Top 76%)7804(Top 68%)7804(Top 647%)
15K9.32 mi3.11 mi19452-5067427-3137427-31320394(Top 77%)7896(Top 69%)7896(Top 654%)
20K12.43 mi3.11 mi19794-3427601-1747601-17420710(Top 78%)8064(Top 71%)8064(Top 668%)
Half13.11 mi0.68 mi19868-747644-437644-4321203(Top 80%)8351(Top 73%)8351(Top 692%)
25K15.53 mi2.42 mi20143-2757785-1417785-14121036(Top 79%)8286(Top 73%)8286(Top 686%)
30K18.64 mi3.11 mi20312-1697907-1227907-12220853(Top 78%)8257(Top 72%)8257(Top 684%)
20M20.00 mi1.36 mi20223+897869+387869+3819292(Top 72%)7453(Top 65%)7453(Top 617%)
21M21.00 mi1.00 mi20231-87882-137882-1320504(Top 77%)8192(Top 72%)8192(Top 679%)
35K21.75 mi0.75 mi20165+667857+257857+2518514(Top 70%)7122(Top 62%)7122(Top 590%)
23M23.00 mi1.25 mi20030+1357784+737784+7317840(Top 67%)6779(Top 59%)6779(Top 562%)
24M24.00 mi1.00 mi19912+1187721+637721+6317418(Top 65%)6597(Top 58%)6597(Top 547%)
40K24.85 mi0.85 mi19817+957676+457676+4516967(Top 64%)6391(Top 56%)6391(Top 529%)
25.2M25.20 mi0.35 mi19804+137672+47672+419250(Top 72%)7645(Top 67%)7645(Top 633%)
Finish26.22 mi1.02 mi19799+57674-27674-219615(Top 74%)7787(Top 68%)7787(Top 645%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20394

Females

7896

F50-54

7896

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20174

Females

7804

F50-54

7804

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20394

Females

7896

F50-54

7896

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20710

Females

8064

F50-54

8064

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21203

Females

8351

F50-54

8351

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21036

Females

8286

F50-54

8286

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20853

Females

8257

F50-54

8257

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19292

Females

7453

F50-54

7453

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20504

Females

8192

F50-54

8192

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18514

Females

7122

F50-54

7122

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17840

Females

6779

F50-54

6779

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17418

Females

6597

F50-54

6597

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16967

Females

6391

F50-54

6391

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19250

Females

7645

F50-54

7645

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19615

Females

7787

F50-54

7787

Passing Analysis

Category:
Athletes Passed
1061
Passed By
3338
Net Change
-2277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17522
5K → 10K361460-1424#17522#18946
10K → 15K47553-506#18946#19452
15K → 20K75417-342#19452#19794
20K → Half1488-74#19794#19868
Half → 25K59334-275#19868#20143
25K → 30K100269-169#20143#20312
30K → 20M12233+89#20312#20223
20M → 21M7482-8#20223#20231
21M → 35K759+66#20231#20165
35K → 23M14914+135#20165#20030
23M → 24M13315+118#20030#19912
24M → 40K1005+95#19912#19817
40K → 25.2M3017+13#19817#19804
25.2M → Finish4742+5#19804#19799
TOTALS10613338-2277
📊

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