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BOSTON MARATHON 2024

Alison Masopust

Bib: 13254•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:05
Rank: #10211
Start → 5K
23:05 | 7:26/mi
10K· 6.21 mi
46:10
Rank: #9874 (+337)
5K → 10K
23:05 | 7:26/mi
15K· 9.32 mi
1:09:22
Rank: #9689 (+185)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:34:03
Rank: #10160 (-471)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:39:42
Rank: #10392 (-232)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:06:06
Rank: #13540 (-3148)
Half → 25K
26:24 | 10:53/mi
30K· 18.64 mi
2:38:00
Rank: #14685 (-1145)
25K → 30K
31:54 | 10:16/mi
20M
2:58:20
Rank: #16589 (-1904)
30K → 20M
20:20 | 14:58/mi
21M
3:13:56
Rank: #17583 (-994)
20M → 21M
15:36 | 15:36/mi
35K· 21.75 mi
3:25:03
Rank: #18218 (-635)
21M → 35K
11:07 | 14:52/mi
23M
3:43:37
Rank: #18890 (-672)
35K → 23M
18:34 | 14:50/mi
24M
3:58:26
Rank: #19376 (-486)
23M → 24M
14:49 | 14:49/mi
40K· 24.85 mi
4:11:16
Rank: #19718 (-342)
24M → 40K
12:50 | 15:01/mi
25.2M
4:16:44
Rank: #19834 (-116)
40K → 25.2M
5:28 | 15:51/mi
Finish· 26.22 mi
4:29:19
Rank: #20032 (-198)
25.2M → Finish
12:35 | 12:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time2:49:37
Pace12:56 /mi
📊Positive Split: 70.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4523:057:2623:05
7:26
-
10K
6.21 mi11:15:5046:107:2623:05
7:26
0:00
15K
9.32 mi11:39:021:09:227:2723:12
7:28
+0:02
20K
12.43 mi12:03:431:34:037:3424:41
7:57
+0:29
Half
13.11 mi12:09:221:39:427:365:39
8:17
+0:20
25K
15.53 mi12:35:462:06:068:0726:24
10:53
+2:36
30K
18.64 mi13:07:402:38:008:2931:54
10:16
-0:37
20M
20.00 mi13:28:002:58:208:5520:20
14:58
+4:42
21M
21.00 mi13:43:363:13:569:1415:36
15:36
+0:38
35K
21.75 mi13:54:433:25:039:2611:07
14:52
-0:44
23M
23.00 mi14:13:173:43:379:4318:34
14:50
-0:02
24M
24.00 mi14:28:063:58:269:5614:49
14:49
-0:01
40K
24.85 mi14:40:564:11:1610:0712:50
15:01
+0:12
25.2M
25.20 mi14:46:244:16:4410:115:28
15:51
+0:50
Finish
26.22 mi14:58:594:29:1910:1712:35
12:21
-3:30

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

7:26 /mi

Average Pace

10:17 /mi

Slowest Pace

15:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:36

49% of race

Time at Steady Pace

38:59

14% of race

Time at Slower Pace

1:38:44

37% of race

Average Pace: 10:16 /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 mi10:52:4523:057:2623:05
7:26
#10211
10K
6.21 mi11:15:5046:107:2623:05
7:26
#9874
15K
9.32 mi11:39:021:09:227:2723:12
7:28
#9689
20K
12.43 mi12:03:431:34:037:3424:41
7:57
#10160
Half
13.11 mi12:09:221:39:427:365:39
8:17
#10392
25K
15.53 mi12:35:462:06:068:0726:24
10:53
#13540
30K
18.64 mi13:07:402:38:008:2931:54
10:16
#14685
20M
20.00 mi13:28:002:58:208:5520:20
14:58
#16589
21M
21.00 mi13:43:363:13:569:1415:36
15:36
#17583
35K
21.75 mi13:54:433:25:039:2611:07
14:52
#18218
23M
23.00 mi14:13:173:43:379:4318:34
14:50
#18890
24M
24.00 mi14:28:063:58:269:5614:49
14:49
#19376
40K
24.85 mi14:40:564:11:1610:0712:50
15:01
#19718
25.2M
25.20 mi14:46:244:16:4410:115:28
15:51
#19834
Finish
26.22 mi14:58:594:29:1910:1712:35
12:21
#20032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10211212321239429(Top 37%)1895(Top 17%)1895(Top 117%)
10K6.21 mi3.10 mi9874+3371998+1251998+1259673(Top 38%)1961(Top 18%)1961(Top 122%)
15K9.32 mi3.11 mi9689+1851953+451953+459429(Top 37%)1895(Top 17%)1895(Top 117%)
20K12.43 mi3.11 mi10160-4712236-2832236-28311466(Top 45%)3051(Top 28%)3051(Top 189%)
Half13.11 mi0.68 mi10392-2322363-1272363-12714555(Top 57%)4800(Top 44%)4800(Top 298%)
25K15.53 mi2.42 mi13540-31484118-17554118-175521280(Top 83%)8622(Top 79%)8622(Top 535%)
30K18.64 mi3.11 mi14685-11454893-7754893-77518170(Top 71%)7131(Top 65%)7131(Top 442%)
20M20.00 mi1.36 mi16589-19046068-11756068-117524724(Top 97%)10577(Top 97%)10577(Top 656%)
21M21.00 mi1.00 mi17583-9946649-5816649-58124179(Top 95%)10358(Top 95%)10358(Top 642%)
35K21.75 mi0.75 mi18218-6357020-3717020-37124810(Top 97%)10661(Top 98%)10661(Top 661%)
23M23.00 mi1.25 mi18890-6727400-3807400-38024535(Top 96%)10539(Top 96%)10539(Top 653%)
24M24.00 mi1.00 mi19376-4867686-2867686-28624734(Top 97%)10663(Top 98%)10663(Top 661%)
40K24.85 mi0.85 mi19718-3427873-1877873-18724537(Top 96%)10593(Top 97%)10593(Top 657%)
25.2M25.20 mi0.35 mi19834-1167943-707943-7023930(Top 94%)10337(Top 95%)10337(Top 641%)
Finish26.22 mi1.02 mi20032-1988066-1238066-12323685(Top 93%)10255(Top 94%)10255(Top 636%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9429

Females

1895

F40-44

1895

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

9673

Females

1961

F40-44

1961

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9429

Females

1895

F40-44

1895

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11466

Females

3051

F40-44

3051

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14555

Females

4800

F40-44

4800

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

21280

Females

8622

F40-44

8622

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18170

Females

7131

F40-44

7131

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

24724

Females

10577

F40-44

10577

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

24179

Females

10358

F40-44

10358

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

24810

Females

10661

F40-44

10661

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

24535

Females

10539

F40-44

10539

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

24734

Females

10663

F40-44

10663

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24537

Females

10593

F40-44

10593

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

23930

Females

10337

F40-44

10337

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23685

Females

10255

F40-44

10255

Passing Analysis

Category:
Athletes Passed
1046*
Passed By
10865
Net Change
-9821
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10211
5K → 10K455*118+337#10211#9874
10K → 15K299114+185#9874#9689
15K → 20K107576-471#9689#10160
20K → Half7239-232#10160#10392
Half → 25K143162-3148#10392#13540
25K → 30K721217-1145#13540#14685
30K → 20M41908-1904#14685#16589
20M → 21M81002-994#16589#17583
21M → 35K13648-635#17583#18218
35K → 23M20692-672#18218#18890
23M → 24M10496-486#18890#19376
24M → 40K11353-342#19376#19718
40K → 25.2M6122-116#19718#19834
25.2M → Finish20218-198#19834#20032
TOTALS1046*10865-9821

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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