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BOSTON MARATHON 2023

Judy Alexander

Bib: 24086•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16543
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
52:16
Rank: #17296 (-753)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:19:22
Rank: #17946 (-650)
10K → 15K
27:06 | 8:43/mi
20K· 12.43 mi
1:46:55
Rank: #18229 (-283)
15K → 20K
27:33 | 8:52/mi
Half· 13.11 mi
1:52:58
Rank: #18312 (-83)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:14:52
Rank: #18472 (-160)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:43:55
Rank: #18538 (-66)
25K → 30K
29:03 | 9:21/mi
20M
2:56:52
Rank: #18572 (-34)
30K → 20M
12:57 | 9:32/mi
21M
3:07:20
Rank: #18644 (-72)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:14:20
Rank: #18673 (-29)
21M → 35K
7:00 | 9:21/mi
23M
3:26:53
Rank: #18805 (-132)
35K → 23M
12:33 | 10:01/mi
24M
3:36:40
Rank: #18894 (-89)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
3:45:33
Rank: #19019 (-125)
24M → 40K
8:53 | 10:23/mi
25.2M
3:50:18
Rank: #19237 (-218)
40K → 25.2M
4:45 | 13:46/mi
Finish· 26.22 mi
4:02:23
Rank: #19670 (-433)
25.2M → Finish
12:05 | 11:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:58
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:09:25
Pace9:52 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0125:578:2125:57
8:21
-
10K
6.21 mi12:07:2052:168:2526:19
8:28
+0:07
15K
9.32 mi12:34:261:19:228:3127:06
8:43
+0:15
20K
12.43 mi13:01:591:46:558:3627:33
8:52
+0:09
Half
13.11 mi13:08:021:52:588:376:03
8:52
0:00
25K
15.53 mi13:29:562:14:528:4121:54
9:02
+0:10
30K
18.64 mi13:58:592:43:558:4829:03
9:21
+0:19
20M
20.00 mi14:11:562:56:528:5112:57
9:32
+0:11
21M
21.00 mi14:22:243:07:208:5510:28
10:28
+0:56
35K
21.75 mi14:29:243:14:208:567:00
9:21
-1:07
23M
23.00 mi14:41:573:26:539:0012:33
10:01
+0:40
24M
24.00 mi14:51:443:36:409:029:47
9:47
-0:14
40K
24.85 mi15:00:373:45:339:048:53
10:23
+0:36
25.2M
25.20 mi15:05:223:50:189:084:45
13:46
+3:23
Finish
26.22 mi15:17:274:02:239:1512:05
11:51
-1:55

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

8:21 /mi

Average Pace

9:15 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:16

22% of race

Time at Steady Pace

2:33:56

64% of race

Time at Slower Pace

36:11

15% of race

Average Pace: 9:15 /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 mi11:41:0125:578:2125:57
8:21
#16543
10K
6.21 mi12:07:2052:168:2526:19
8:28
#17296
15K
9.32 mi12:34:261:19:228:3127:06
8:43
#17946
20K
12.43 mi13:01:591:46:558:3627:33
8:52
#18229
Half
13.11 mi13:08:021:52:588:376:03
8:52
#18312
25K
15.53 mi13:29:562:14:528:4121:54
9:02
#18472
30K
18.64 mi13:58:592:43:558:4829:03
9:21
#18538
20M
20.00 mi14:11:562:56:528:5112:57
9:32
#18572
21M
21.00 mi14:22:243:07:208:5510:28
10:28
#18644
35K
21.75 mi14:29:243:14:208:567:00
9:21
#18673
23M
23.00 mi14:41:573:26:539:0012:33
10:01
#18805
24M
24.00 mi14:51:443:36:409:029:47
9:47
#18894
40K
24.85 mi15:00:373:45:339:048:53
10:23
#19019
25.2M
25.20 mi15:05:223:50:189:084:45
13:46
#19237
Finish
26.22 mi15:17:274:02:239:1512:05
11:51
#19670
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi165435636563619106(Top 72%)7166(Top 63%)7166(Top 1360%)
10K6.21 mi3.10 mi17296-7536115-4796115-47918075(Top 68%)6523(Top 57%)6523(Top 1238%)
15K9.32 mi3.11 mi17946-6506492-3776492-37719106(Top 72%)7166(Top 63%)7166(Top 1360%)
20K12.43 mi3.11 mi18229-2836648-1566648-15619065(Top 72%)7130(Top 62%)7130(Top 1353%)
Half13.11 mi0.68 mi18312-836699-516699-5119798(Top 74%)7566(Top 66%)7566(Top 1436%)
25K15.53 mi2.42 mi18472-1606816-1176816-11719145(Top 72%)7215(Top 63%)7215(Top 1369%)
30K18.64 mi3.11 mi18538-666893-776893-7718845(Top 71%)7110(Top 62%)7110(Top 1349%)
20M20.00 mi1.36 mi18572-346913-206913-2018992(Top 71%)7298(Top 64%)7298(Top 1385%)
21M21.00 mi1.00 mi18644-726954-416954-4119500(Top 73%)7642(Top 67%)7642(Top 1450%)
35K21.75 mi0.75 mi18673-296977-236977-2319391(Top 73%)7599(Top 67%)7599(Top 1442%)
23M23.00 mi1.25 mi18805-1327076-997076-9920065(Top 75%)7992(Top 70%)7992(Top 1517%)
24M24.00 mi1.00 mi18894-897137-617137-6120175(Top 76%)8068(Top 71%)8068(Top 1531%)
40K24.85 mi0.85 mi19019-1257211-747211-7420958(Top 79%)8575(Top 75%)8575(Top 1627%)
25.2M25.20 mi0.35 mi19237-2187335-1247335-12424812(Top 93%)10592(Top 93%)10592(Top 2010%)
Finish26.22 mi1.02 mi19670-4337600-2657600-26525110(Top 94%)10717(Top 94%)10717(Top 2034%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19106

Females

7166

F60-64

7166

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18075

Females

6523

F60-64

6523

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19106

Females

7166

F60-64

7166

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19065

Females

7130

F60-64

7130

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19798

Females

7566

F60-64

7566

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19145

Females

7215

F60-64

7215

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18845

Females

7110

F60-64

7110

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18992

Females

7298

F60-64

7298

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19500

Females

7642

F60-64

7642

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19391

Females

7599

F60-64

7599

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20065

Females

7992

F60-64

7992

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20175

Females

8068

F60-64

8068

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20958

Females

8575

F60-64

8575

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24812

Females

10592

F60-64

10592

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

25110

Females

10717

F60-64

10717

Passing Analysis

Category:
Athletes Passed
757
Passed By
3884
Net Change
-3127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16543
5K → 10K90843-753#16543#17296
10K → 15K52702-650#17296#17946
15K → 20K92375-283#17946#18229
20K → Half1093-83#18229#18312
Half → 25K78238-160#18312#18472
25K → 30K156222-66#18472#18538
30K → 20M77111-34#18538#18572
20M → 21M66138-72#18572#18644
21M → 35K3362-29#18644#18673
35K → 23M43175-132#18673#18805
23M → 24M34123-89#18805#18894
24M → 40K20145-125#18894#19019
40K → 25.2M4222-218#19019#19237
25.2M → Finish2435-433#19237#19670
TOTALS7573884-3127
📊

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