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BOSTON MARATHON 2024

Erin Schaefer

Bib: 21745•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 47%
Masters (Masters Women)
#0 / 6263
Top 37%
Division (F50-54)
#0 / 1187
Top 30%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #17846
Start → 5K
26:27 | 8:31/mi
10K· 6.21 mi
53:00
Rank: #17688 (+158)
5K → 10K
26:33 | 8:33/mi
15K· 9.32 mi
1:19:26
Rank: #17241 (+447)
10K → 15K
26:26 | 8:30/mi
20K· 12.43 mi
1:46:30
Rank: #16836 (+405)
15K → 20K
27:04 | 8:43/mi
Half· 13.11 mi
1:52:20
Rank: #16770 (+66)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:13:53
Rank: #16392 (+378)
Half → 25K
21:33 | 8:53/mi
30K· 18.64 mi
2:42:39
Rank: #16034 (+358)
25K → 30K
28:46 | 9:16/mi
20M
2:55:14
Rank: #15830 (+204)
30K → 20M
12:35 | 9:16/mi
21M
3:05:01
Rank: #15601 (+229)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:11:32
Rank: #15461 (+140)
21M → 35K
6:31 | 8:43/mi
23M
3:22:54
Rank: #15234 (+227)
35K → 23M
11:22 | 9:05/mi
24M
3:31:47
Rank: #15038 (+196)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:39:21
Rank: #14796 (+242)
24M → 40K
7:34 | 8:51/mi
25.2M
3:42:45
Rank: #14691 (+105)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:51:21
Rank: #14533 (+158)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:59:01
Pace9:05 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3326:278:3126:27
8:31
-
10K
6.21 mi11:50:0653:008:3226:33
8:33
+0:02
15K
9.32 mi12:16:321:19:268:3126:26
8:30
-0:03
20K
12.43 mi12:43:361:46:308:3427:04
8:43
+0:13
Half
13.11 mi12:49:261:52:208:345:50
8:33
-0:10
25K
15.53 mi13:10:592:13:538:3721:33
8:53
+0:20
30K
18.64 mi13:39:452:42:398:4428:46
9:16
+0:23
20M
20.00 mi13:52:202:55:148:4612:35
9:16
0:00
21M
21.00 mi14:02:073:05:018:499:47
9:47
+0:31
35K
21.75 mi14:08:383:11:328:486:31
8:43
-1:04
23M
23.00 mi14:20:003:22:548:4911:22
9:05
+0:22
24M
24.00 mi14:28:533:31:478:498:53
8:53
-0:12
40K
24.85 mi14:36:273:39:218:507:34
8:51
-0:02
25.2M
25.20 mi14:39:513:42:458:503:24
9:52
+1:01
Finish
26.22 mi14:48:273:51:218:508:36
8:26
-1:26

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

8:26 /mi

Average Pace

8:50 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:10

94% of race

Time at Steady Pace

13:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:23:3326:278:3126:27
8:31
#17846
10K
6.21 mi11:50:0653:008:3226:33
8:33
#17688
15K
9.32 mi12:16:321:19:268:3126:26
8:30
#17241
20K
12.43 mi12:43:361:46:308:3427:04
8:43
#16836
Half
13.11 mi12:49:261:52:208:345:50
8:33
#16770
25K
15.53 mi13:10:592:13:538:3721:33
8:53
#16392
30K
18.64 mi13:39:452:42:398:4428:46
9:16
#16034
20M
20.00 mi13:52:202:55:148:4612:35
9:16
#15830
21M
21.00 mi14:02:073:05:018:499:47
9:47
#15601
35K
21.75 mi14:08:383:11:328:486:31
8:43
#15461
23M
23.00 mi14:20:003:22:548:4911:22
9:05
#15234
24M
24.00 mi14:28:533:31:478:498:53
8:53
#15038
40K
24.85 mi14:36:273:39:218:507:34
8:51
#14796
25.2M
25.20 mi14:39:513:42:458:503:24
9:52
#14691
Finish
26.22 mi14:48:273:51:218:508:36
8:26
#14533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178466661666116447(Top 64%)5830(Top 53%)5830(Top 491%)
10K6.21 mi3.10 mi17688+1586553+1086553+10817540(Top 69%)6455(Top 59%)6455(Top 544%)
15K9.32 mi3.11 mi17241+4476288+2656288+26516447(Top 64%)5830(Top 53%)5830(Top 491%)
20K12.43 mi3.11 mi16836+4056068+2206068+22015914(Top 62%)5536(Top 51%)5536(Top 466%)
Half13.11 mi0.68 mi16770+666035+336035+3316026(Top 63%)5635(Top 52%)5635(Top 475%)
25K15.53 mi2.42 mi16392+3785833+2025833+20215008(Top 59%)5186(Top 47%)5186(Top 437%)
30K18.64 mi3.11 mi16034+3585690+1435690+14314449(Top 57%)5121(Top 47%)5121(Top 431%)
20M20.00 mi1.36 mi15830+2045618+725618+7213458(Top 53%)4830(Top 44%)4830(Top 407%)
21M21.00 mi1.00 mi15601+2295525+935525+9312082(Top 47%)4308(Top 39%)4308(Top 363%)
35K21.75 mi0.75 mi15461+1405468+575468+5711910(Top 47%)4254(Top 39%)4254(Top 358%)
23M23.00 mi1.25 mi15234+2275381+875381+8711597(Top 45%)4212(Top 39%)4212(Top 355%)
24M24.00 mi1.00 mi15038+1965313+685313+6811590(Top 45%)4214(Top 39%)4214(Top 355%)
40K24.85 mi0.85 mi14796+2425216+975216+9710198(Top 40%)3672(Top 34%)3672(Top 309%)
25.2M25.20 mi0.35 mi14691+1055171+455171+4510438(Top 41%)3855(Top 35%)3855(Top 325%)
Finish26.22 mi1.02 mi14533+1585110+615110+6111213(Top 44%)4085(Top 37%)4085(Top 344%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16447

Females

5830

F50-54

5830

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

17540

Females

6455

F50-54

6455

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16447

Females

5830

F50-54

5830

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

15914

Females

5536

F50-54

5536

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16026

Females

5635

F50-54

5635

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15008

Females

5186

F50-54

5186

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

14449

Females

5121

F50-54

5121

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13458

Females

4830

F50-54

4830

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12082

Females

4308

F50-54

4308

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

11910

Females

4254

F50-54

4254

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11597

Females

4212

F50-54

4212

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11590

Females

4214

F50-54

4214

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10198

Females

3672

F50-54

3672

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10438

Females

3855

F50-54

3855

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11213

Females

4085

F50-54

4085

Passing Analysis

Category:
Athletes Passed
3881
Passed By
568
Net Change
+3313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17846
5K → 10K365207+158#17846#17688
10K → 15K50659+447#17688#17241
15K → 20K47671+405#17241#16836
20K → Half7812+66#16836#16770
Half → 25K41638+378#16770#16392
25K → 30K44789+358#16392#16034
30K → 20M22622+204#16034#15830
20M → 21M24718+229#15830#15601
21M → 35K15414+140#15601#15461
35K → 23M2369+227#15461#15234
23M → 24M21014+196#15234#15038
24M → 40K2442+242#15038#14796
40K → 25.2M1083+105#14796#14691
25.2M → Finish16810+158#14691#14533
TOTALS3881568+3313
📊

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