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BOSTON MARATHON 2024

Therese Mccaffrey

Bib: 17859•F

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Division (F18-39)
#0 / 4660
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:29
Rank: #13729
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
48:36
Rank: #13033 (+696)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:12:48
Rank: #12612 (+421)
10K → 15K
24:12 | 7:47/mi
20K· 12.43 mi
1:37:26
Rank: #12195 (+417)
15K → 20K
24:38 | 7:56/mi
Half· 13.11 mi
1:42:45
Rank: #12138 (+57)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:02:10
Rank: #11718 (+420)
Half → 25K
19:25 | 8:00/mi
30K· 18.64 mi
2:27:22
Rank: #10982 (+736)
25K → 30K
25:12 | 8:07/mi
20M
2:38:26
Rank: #10647 (+335)
30K → 20M
11:04 | 8:09/mi
21M
2:46:56
Rank: #10285 (+362)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:52:52
Rank: #10148 (+137)
21M → 35K
5:56 | 7:56/mi
23M
3:03:11
Rank: #9880 (+268)
35K → 23M
10:19 | 8:14/mi
24M
3:11:14
Rank: #9693 (+187)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:18:13
Rank: #9534 (+159)
24M → 40K
6:59 | 8:10/mi
25.2M
3:21:10
Rank: #9424 (+110)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:29:02
Rank: #9293 (+131)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:45
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:17
Pace8:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1524:297:5324:29
7:53
-
10K
6.21 mi11:43:2248:367:4924:07
7:46
-0:07
15K
9.32 mi12:07:341:12:487:4924:12
7:47
+0:01
20K
12.43 mi12:32:121:37:267:5024:38
7:56
+0:09
Half
13.11 mi12:37:311:42:457:505:19
7:48
-0:08
25K
15.53 mi12:56:562:02:107:5219:25
8:00
+0:12
30K
18.64 mi13:22:082:27:227:5425:12
8:07
+0:07
20M
20.00 mi13:33:122:38:267:5511:04
8:09
+0:02
21M
21.00 mi13:41:422:46:567:578:30
8:30
+0:21
35K
21.75 mi13:47:382:52:527:575:56
7:56
-0:34
23M
23.00 mi13:57:573:03:117:5810:19
8:14
+0:18
24M
24.00 mi14:06:003:11:147:588:03
8:03
-0:11
40K
24.85 mi14:12:593:18:137:586:59
8:10
+0:07
25.2M
25.20 mi14:15:563:21:107:592:57
8:33
+0:23
Finish
26.22 mi14:23:483:29:027:597:52
7:43
-0:50

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

7:43 /mi

Average Pace

7:59 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:35

95% of race

Time at Steady Pace

11:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:19:1524:297:5324:29
7:53
#13729
10K
6.21 mi11:43:2248:367:4924:07
7:46
#13033
15K
9.32 mi12:07:341:12:487:4924:12
7:47
#12612
20K
12.43 mi12:32:121:37:267:5024:38
7:56
#12195
Half
13.11 mi12:37:311:42:457:505:19
7:48
#12138
25K
15.53 mi12:56:562:02:107:5219:25
8:00
#11718
30K
18.64 mi13:22:082:27:227:5425:12
8:07
#10982
20M
20.00 mi13:33:122:38:267:5511:04
8:09
#10647
21M
21.00 mi13:41:422:46:567:578:30
8:30
#10285
35K
21.75 mi13:47:382:52:527:575:56
7:56
#10148
23M
23.00 mi13:57:573:03:117:5810:19
8:14
#9880
24M
24.00 mi14:06:003:11:147:588:03
8:03
#9693
40K
24.85 mi14:12:593:18:137:586:59
8:10
#9534
25.2M
25.20 mi14:15:563:21:107:592:57
8:33
#9424
Finish
26.22 mi14:23:483:29:027:597:52
7:43
#9293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137294131413111851(Top 46%)3152(Top 29%)3152(Top 68%)
10K6.21 mi3.10 mi13033+6963752+3793752+37912351(Top 48%)3376(Top 31%)3376(Top 72%)
15K9.32 mi3.11 mi12612+4213526+2263526+22611851(Top 46%)3152(Top 29%)3152(Top 68%)
20K12.43 mi3.11 mi12195+4173330+1963330+19611315(Top 44%)2964(Top 27%)2964(Top 64%)
Half13.11 mi0.68 mi12138+573302+283302+2811300(Top 44%)2945(Top 27%)2945(Top 63%)
25K15.53 mi2.42 mi11718+4203102+2003102+20010253(Top 40%)2608(Top 24%)2608(Top 56%)
30K18.64 mi3.11 mi10982+7362816+2862816+2868519(Top 33%)1990(Top 18%)1990(Top 43%)
20M20.00 mi1.36 mi10647+3352701+1152701+1157561(Top 30%)1793(Top 16%)1793(Top 38%)
21M21.00 mi1.00 mi10285+3622573+1282573+1286246(Top 24%)1414(Top 13%)1414(Top 30%)
35K21.75 mi0.75 mi10148+1372542+312542+317410(Top 29%)1958(Top 18%)1958(Top 42%)
23M23.00 mi1.25 mi9880+2682475+672475+677041(Top 28%)1919(Top 18%)1919(Top 41%)
24M24.00 mi1.00 mi9693+1872424+512424+516917(Top 27%)1963(Top 18%)1963(Top 42%)
40K24.85 mi0.85 mi9534+1592393+312393+316639(Top 26%)1954(Top 18%)1954(Top 42%)
25.2M25.20 mi0.35 mi9424+1102357+362357+364771(Top 19%)1171(Top 11%)1171(Top 25%)
Finish26.22 mi1.02 mi9293+1312328+292328+296883(Top 27%)2061(Top 19%)2061(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

11851

Females

3152

F18-39

3152

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12351

Females

3376

F18-39

3376

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

11851

Females

3152

F18-39

3152

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11315

Females

2964

F18-39

2964

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11300

Females

2945

F18-39

2945

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10253

Females

2608

F18-39

2608

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8519

Females

1990

F18-39

1990

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7561

Females

1793

F18-39

1793

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6246

Females

1414

F18-39

1414

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7410

Females

1958

F18-39

1958

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7041

Females

1919

F18-39

1919

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6917

Females

1963

F18-39

1963

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6639

Females

1954

F18-39

1954

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4771

Females

1171

F18-39

1171

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

6883

Females

2061

F18-39

2061

Passing Analysis

Category:
Athletes Passed
4768*
Passed By
332
Net Change
+4436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13729
5K → 10K75761+696#13729#13033
10K → 15K47554+421#13033#12612
15K → 20K46649+417#12612#12195
20K → Half658+57#12195#12138
Half → 25K46141+420#12138#11718
25K → 30K75519+736#11718#10982
30K → 20M34813+335#10982#10647
20M → 21M3686+362#10647#10285
21M → 35K15013+137#10285#10148
35K → 23M287*19+268#10148#9880
23M → 24M202*15+187#9880#9693
24M → 40K17415+159#9693#9534
40K → 25.2M1111+110#9534#9424
25.2M → Finish14918+131#9424#9293
TOTALS4768*332+4436

* 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