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BOSTON MARATHON 2024

Marissa Horgan

Bib: 24772•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:27
Rank: #24916
Start → 5K
34:27 | 11:05/mi
10K· 6.21 mi
1:09:31
Rank: #24763 (+153)
5K → 10K
35:04 | 11:17/mi
15K· 9.32 mi
1:44:52
Rank: #24566 (+197)
10K → 15K
35:21 | 11:23/mi
20K· 12.43 mi
2:22:29
Rank: #24475 (+91)
15K → 20K
37:37 | 12:06/mi
Half· 13.11 mi
2:30:34
Rank: #24476 (-1)
20K → Half
8:05 | 11:51/mi
25K· 15.53 mi
3:01:52
Rank: #24427 (+49)
Half → 25K
31:18 | 12:55/mi
30K· 18.64 mi
3:44:47
Rank: #24364 (+63)
25K → 30K
42:55 | 13:49/mi
20M
4:04:05
Rank: #24358 (+6)
30K → 20M
19:18 | 14:12/mi
21M
4:19:18
Rank: #24339 (+19)
20M → 21M
15:13 | 15:13/mi
35K· 21.75 mi
4:30:10
Rank: #24379 (-40)
21M → 35K
10:52 | 14:32/mi
23M
4:46:38
Rank: #24332 (+47)
35K → 23M
16:28 | 13:09/mi
24M
4:59:44
Rank: #24305 (+27)
23M → 24M
13:06 | 13:06/mi
40K· 24.85 mi
5:10:57
Rank: #24260 (+45)
24M → 40K
11:13 | 13:07/mi
25.2M
5:16:03
Rank: #24243 (+17)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
5:27:30
Rank: #24207 (+36)
25.2M → Finish
11:27 | 11:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:34
Pace11:29 /mi
2nd Half
Distance13.11 mi
Time2:56:56
Pace13:30 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4634:2711:0534:27
11:05
-
10K
6.21 mi12:24:501:09:3111:1135:04
11:17
+0:12
15K
9.32 mi13:00:111:44:5211:1535:21
11:23
+0:06
20K
12.43 mi13:37:482:22:2911:2837:37
12:06
+0:43
Half
13.11 mi13:45:532:30:3411:298:05
11:51
-0:15
25K
15.53 mi14:17:113:01:5211:4231:18
12:55
+1:04
30K
18.64 mi15:00:063:44:4712:0442:55
13:49
+0:54
20M
20.00 mi15:19:244:04:0512:1219:18
14:12
+0:23
21M
21.00 mi15:34:374:19:1812:2115:13
15:13
+1:01
35K
21.75 mi15:45:294:30:1012:2510:52
14:32
-0:41
23M
23.00 mi16:01:574:46:3812:2816:28
13:09
-1:23
24M
24.00 mi16:15:034:59:4412:2913:06
13:06
-0:03
40K
24.85 mi16:26:165:10:5712:3111:13
13:07
+0:01
25.2M
25.20 mi16:31:225:16:0312:335:06
14:47
+1:40
Finish
26.22 mi16:42:495:27:3012:3011:27
11:14
-3:33

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

11:05 /mi

Average Pace

12:30 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:01

49% of race

Time at Steady Pace

1:12:05

22% of race

Time at Slower Pace

1:33:24

29% of race

Average Pace: 12:29 /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 mi11:49:4634:2711:0534:27
11:05
#24916
10K
6.21 mi12:24:501:09:3111:1135:04
11:17
#24763
15K
9.32 mi13:00:111:44:5211:1535:21
11:23
#24566
20K
12.43 mi13:37:482:22:2911:2837:37
12:06
#24475
Half
13.11 mi13:45:532:30:3411:298:05
11:51
#24476
25K
15.53 mi14:17:113:01:5211:4231:18
12:55
#24427
30K
18.64 mi15:00:063:44:4712:0442:55
13:49
#24364
20M
20.00 mi15:19:244:04:0512:1219:18
14:12
#24358
21M
21.00 mi15:34:374:19:1812:2115:13
15:13
#24339
35K
21.75 mi15:45:294:30:1012:2510:52
14:32
#24379
23M
23.00 mi16:01:574:46:3812:2816:28
13:09
#24332
24M
24.00 mi16:15:034:59:4412:2913:06
13:06
#24305
40K
24.85 mi16:26:165:10:5712:3111:13
13:07
#24260
25.2M
25.20 mi16:31:225:16:0312:335:06
14:47
#24243
Finish
26.22 mi16:42:495:27:3012:3011:27
11:14
#24207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24916105121051224167(Top 95%)10071(Top 92%)10071(Top 216%)
10K6.21 mi3.10 mi24763+15310419+9310419+9324575(Top 96%)10305(Top 94%)10305(Top 221%)
15K9.32 mi3.11 mi24566+19710289+13010289+13024167(Top 95%)10071(Top 92%)10071(Top 216%)
20K12.43 mi3.11 mi24475+9110248+4110248+4124099(Top 94%)10063(Top 92%)10063(Top 216%)
Half13.11 mi0.68 mi24476-110252-410252-424468(Top 96%)10309(Top 94%)10309(Top 221%)
25K15.53 mi2.42 mi24427+4910232+2010232+2024123(Top 94%)10149(Top 93%)10149(Top 218%)
30K18.64 mi3.11 mi24364+6310214+1810214+1824081(Top 94%)10203(Top 93%)10203(Top 219%)
20M20.00 mi1.36 mi24358+610225-1110225-1124146(Top 95%)10300(Top 94%)10300(Top 221%)
21M21.00 mi1.00 mi24339+1910219+610219+623819(Top 93%)10185(Top 93%)10185(Top 219%)
35K21.75 mi0.75 mi24379-4010250-3110250-3124648(Top 96%)10592(Top 97%)10592(Top 227%)
23M23.00 mi1.25 mi24332+4710231+1910231+1922773(Top 89%)9738(Top 89%)9738(Top 209%)
24M24.00 mi1.00 mi24305+2710229+210229+223229(Top 91%)10021(Top 92%)10021(Top 215%)
40K24.85 mi0.85 mi24260+4510217+1210217+1222457(Top 88%)9682(Top 89%)9682(Top 208%)
25.2M25.20 mi0.35 mi24243+1710210+710210+722785(Top 89%)9840(Top 90%)9840(Top 211%)
Finish26.22 mi1.02 mi24207+3610203+710203+721925(Top 86%)9417(Top 86%)9417(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

24167

Females

10071

F18-39

10071

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

24575

Females

10305

F18-39

10305

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

24167

Females

10071

F18-39

10071

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24099

Females

10063

F18-39

10063

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

24468

Females

10309

F18-39

10309

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24123

Females

10149

F18-39

10149

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

24081

Females

10203

F18-39

10203

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

24146

Females

10300

F18-39

10300

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

23819

Females

10185

F18-39

10185

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

24648

Females

10592

F18-39

10592

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

22773

Females

9738

F18-39

9738

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

23229

Females

10021

F18-39

10021

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

22457

Females

9682

F18-39

9682

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22785

Females

9840

F18-39

9840

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

21925

Females

9417

F18-39

9417

Passing Analysis

Category:
Athletes Passed
1137
Passed By
428
Net Change
+709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24916
5K → 10K20754+153#24916#24763
10K → 15K21821+197#24763#24566
15K → 20K14049+91#24566#24475
20K → Half2021-1#24475#24476
Half → 25K10051+49#24476#24427
25K → 30K12562+63#24427#24364
30K → 20M4842+6#24364#24358
20M → 21M4122+19#24358#24339
21M → 35K1454-40#24339#24379
35K → 23M6316+47#24379#24332
23M → 24M4316+27#24332#24305
24M → 40K505+45#24305#24260
40K → 25.2M236+17#24260#24243
25.2M → Finish459+36#24243#24207
TOTALS1137428+709
📊

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