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BOSTON MARATHON 2024

Maddy Pfeifer

Bib: 7397•F

VT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 20%
Gender (Female)
#0 / 10924
Top 6%
Division (F18-39)
#0 / 4660
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #2992
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
40:59
Rank: #3743 (-751)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:14
Rank: #4118 (-375)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:05
Rank: #4488 (-370)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:28:55
Rank: #4582 (-94)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:47:17
Rank: #5148 (-566)
Half → 25K
18:22 | 7:35/mi
30K· 18.64 mi
2:10:29
Rank: #4996 (+152)
25K → 30K
23:12 | 7:28/mi
20M
2:21:21
Rank: #5063 (-67)
30K → 20M
10:52 | 8:00/mi
21M
2:30:16
Rank: #5155 (-92)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:36:08
Rank: #5153 (+2)
21M → 35K
5:52 | 7:51/mi
23M
2:46:39
Rank: #5208 (-55)
35K → 23M
10:31 | 8:24/mi
24M
2:54:40
Rank: #5205 (+3)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:01:24
Rank: #5108 (+97)
24M → 40K
6:44 | 7:53/mi
25.2M
3:04:33
Rank: #5104 (+4)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:12:09
Rank: #5058 (+46)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4920:016:2720:01
6:27
-
10K
6.21 mi10:47:4740:596:3620:58
6:45
+0:18
15K
9.32 mi11:09:021:02:146:4121:15
6:50
+0:05
20K
12.43 mi11:30:531:24:056:4621:51
7:02
+0:12
Half
13.11 mi11:35:431:28:556:474:50
7:05
+0:03
25K
15.53 mi11:54:051:47:176:5418:22
7:35
+0:30
30K
18.64 mi12:17:172:10:297:0023:12
7:28
-0:07
20M
20.00 mi12:28:092:21:217:0410:52
8:00
+0:32
21M
21.00 mi12:37:042:30:167:098:55
8:55
+0:55
35K
21.75 mi12:42:562:36:087:115:52
7:51
-1:04
23M
23.00 mi12:53:272:46:397:1510:31
8:24
+0:33
24M
24.00 mi13:01:282:54:407:178:01
8:01
-0:23
40K
24.85 mi13:08:123:01:247:186:44
7:53
-0:08
25.2M
25.20 mi13:11:213:04:337:193:09
9:08
+1:15
Finish
26.22 mi13:18:573:12:097:207:36
7:27
-1:41

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

6:27 /mi

Average Pace

7:20 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:55

46% of race

Time at Steady Pace

1:01:46

32% of race

Time at Slower Pace

41:28

22% of race

Average Pace: 7:20 /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 mi10:26:4920:016:2720:01
6:27
#2992
10K
6.21 mi10:47:4740:596:3620:58
6:45
#3743
15K
9.32 mi11:09:021:02:146:4121:15
6:50
#4118
20K
12.43 mi11:30:531:24:056:4621:51
7:02
#4488
Half
13.11 mi11:35:431:28:556:474:50
7:05
#4582
25K
15.53 mi11:54:051:47:176:5418:22
7:35
#5148
30K
18.64 mi12:17:172:10:297:0023:12
7:28
#4996
20M
20.00 mi12:28:092:21:217:0410:52
8:00
#5063
21M
21.00 mi12:37:042:30:167:098:55
8:55
#5155
35K
21.75 mi12:42:562:36:087:115:52
7:51
#5153
23M
23.00 mi12:53:272:46:397:1510:31
8:24
#5208
24M
24.00 mi13:01:282:54:407:178:01
8:01
#5205
40K
24.85 mi13:08:123:01:247:186:44
7:53
#5108
25.2M
25.20 mi13:11:213:04:337:193:09
9:08
#5104
Finish
26.22 mi13:18:573:12:097:207:36
7:27
#5058
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi29921251255125(Top 20%)411(Top 4%)411(Top 9%)
10K6.21 mi3.10 mi3743-751192-67192-674751(Top 19%)329(Top 3%)329(Top 7%)
15K9.32 mi3.11 mi4118-375240-48240-485125(Top 20%)411(Top 4%)411(Top 9%)
20K12.43 mi3.11 mi4488-370301-61301-615449(Top 21%)522(Top 5%)522(Top 11%)
Half13.11 mi0.68 mi4582-94315-14315-146298(Top 25%)757(Top 7%)757(Top 16%)
25K15.53 mi2.42 mi5148-566430-115430-1157481(Top 29%)1351(Top 12%)1351(Top 29%)
30K18.64 mi3.11 mi4996+152425+5425+54935(Top 19%)623(Top 6%)623(Top 13%)
20M20.00 mi1.36 mi5063-67461-36461-366744(Top 26%)1434(Top 13%)1434(Top 31%)
21M21.00 mi1.00 mi5155-92519-58519-588173(Top 32%)2265(Top 21%)2265(Top 49%)
35K21.75 mi0.75 mi5153+2536-17536-176837(Top 27%)1661(Top 15%)1661(Top 36%)
23M23.00 mi1.25 mi5208-55588-52588-527918(Top 31%)2349(Top 22%)2349(Top 50%)
24M24.00 mi1.00 mi5205+3610-22610-226732(Top 26%)1867(Top 17%)1867(Top 40%)
40K24.85 mi0.85 mi5108+97614-4614-45169(Top 20%)1255(Top 11%)1255(Top 27%)
25.2M25.20 mi0.35 mi5104+4625-11625-117175(Top 28%)2242(Top 21%)2242(Top 48%)
Finish26.22 mi1.02 mi5058+46643-18643-185404(Top 21%)1359(Top 12%)1359(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5125

Females

411

F18-39

411

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4751

Females

329

F18-39

329

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5125

Females

411

F18-39

411

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5449

Females

522

F18-39

522

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6298

Females

757

F18-39

757

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7481

Females

1351

F18-39

1351

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4935

Females

623

F18-39

623

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6744

Females

1434

F18-39

1434

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8173

Females

2265

F18-39

2265

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

6837

Females

1661

F18-39

1661

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7918

Females

2349

F18-39

2349

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6732

Females

1867

F18-39

1867

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5169

Females

1255

F18-39

1255

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7175

Females

2242

F18-39

2242

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5404

Females

1359

F18-39

1359

Passing Analysis

Category:
Athletes Passed
1060
Passed By
3126
Net Change
-2066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2992
5K → 10K16767-751#2992#3743
10K → 15K39414-375#3743#4118
15K → 20K73443-370#4118#4488
20K → Half6100-94#4488#4582
Half → 25K67633-566#4582#5148
25K → 30K24391+152#5148#4996
30K → 20M82149-67#4996#5063
20M → 21M60152-92#5063#5155
21M → 35K6563+2#5155#5153
35K → 23M89144-55#5153#5208
23M → 24M7370+3#5208#5205
24M → 40K12427+97#5205#5108
40K → 25.2M3733+4#5108#5104
25.2M → Finish8640+46#5104#5058
TOTALS10603126-2066
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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