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BOSTON MARATHON 2025

Emily Schlebecker

Bib: 8709•F

MT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #4066
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
41:14
Rank: #4771 (-705)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:13
Rank: #4996 (-225)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:24
Rank: #5087 (-91)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:27:56
Rank: #5063 (+24)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:30
Rank: #5040 (+23)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:06:08
Rank: #4882 (+158)
25K → 30K
21:38 | 6:58/mi
20M
2:15:45
Rank: #4832 (+50)
30K → 20M
9:37 | 7:05/mi
21M
2:23:05
Rank: #4713 (+119)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:28:10
Rank: #4656 (+57)
21M → 35K
5:05 | 6:48/mi
23M
2:36:42
Rank: #4483 (+173)
35K → 23M
8:32 | 6:49/mi
24M
2:43:24
Rank: #4376 (+107)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:49:12
Rank: #4278 (+98)
24M → 40K
5:48 | 6:47/mi
25.2M
2:51:42
Rank: #4221 (+57)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:58:07
Rank: #4066 (+155)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:5320:186:3220:18
6:32
-
10K
6.21 mi11:06:4941:146:3820:56
6:44
+0:12
15K
9.32 mi11:27:481:02:136:4120:59
6:45
+0:01
20K
12.43 mi11:48:591:23:246:4321:11
6:49
+0:04
Half
13.11 mi11:53:311:27:566:424:32
6:39
-0:10
25K
15.53 mi12:10:051:44:306:4416:34
6:50
+0:11
30K
18.64 mi12:31:432:06:086:4621:38
6:58
+0:08
20M
20.00 mi12:41:202:15:456:479:37
7:05
+0:07
21M
21.00 mi12:48:402:23:056:497:20
7:20
+0:15
35K
21.75 mi12:53:452:28:106:495:05
6:48
-0:32
23M
23.00 mi13:02:172:36:426:498:32
6:49
+0:01
24M
24.00 mi13:08:592:43:246:496:42
6:42
-0:07
40K
24.85 mi13:14:472:49:126:485:48
6:47
+0:05
25.2M
25.20 mi13:17:172:51:426:492:30
7:15
+0:28
Finish
26.22 mi13:23:422:58:076:486:25
6:18
-0:57

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

6:18 /mi

Average Pace

6:48 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:02

77% of race

Time at Steady Pace

41:05

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:45:5320:186:3220:18
6:32
#4066
10K
6.21 mi11:06:4941:146:3820:56
6:44
#4771
15K
9.32 mi11:27:481:02:136:4120:59
6:45
#4996
20K
12.43 mi11:48:591:23:246:4321:11
6:49
#5087
Half
13.11 mi11:53:311:27:566:424:32
6:39
#5063
25K
15.53 mi12:10:051:44:306:4416:34
6:50
#5040
30K
18.64 mi12:31:432:06:086:4621:38
6:58
#4882
20M
20.00 mi12:41:202:15:456:479:37
7:05
#4832
21M
21.00 mi12:48:402:23:056:497:20
7:20
#4713
35K
21.75 mi12:53:452:28:106:495:05
6:48
#4656
23M
23.00 mi13:02:172:36:426:498:32
6:49
#4483
24M
24.00 mi13:08:592:43:246:496:42
6:42
#4376
40K
24.85 mi13:14:472:49:126:485:48
6:47
#4278
25.2M
25.20 mi13:17:172:51:426:492:30
7:15
#4221
Finish
26.22 mi13:23:422:58:076:486:25
6:18
#4066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi40662262265610(Top 20%)470(Top 4%)470(Top 9%)
10K6.21 mi3.10 mi4771-705300-74300-745674(Top 20%)459(Top 4%)459(Top 8%)
15K9.32 mi3.11 mi4996-225330-30330-305610(Top 20%)470(Top 4%)470(Top 9%)
20K12.43 mi3.11 mi5087-91351-21351-215454(Top 19%)458(Top 4%)458(Top 8%)
Half13.11 mi0.68 mi5063+24350+1350+14699(Top 17%)326(Top 3%)326(Top 6%)
25K15.53 mi2.42 mi5040+23358-8358-85091(Top 18%)411(Top 3%)411(Top 8%)
30K18.64 mi3.11 mi4882+158357+1357+14450(Top 16%)369(Top 3%)369(Top 7%)
20M20.00 mi1.36 mi4832+50349+8349+84510(Top 16%)403(Top 3%)403(Top 7%)
21M21.00 mi1.00 mi4713+119340+9340+93735(Top 13%)326(Top 3%)326(Top 6%)
35K21.75 mi0.75 mi4656+57342-2342-24018(Top 14%)412(Top 3%)412(Top 8%)
23M23.00 mi1.25 mi4483+173329+13329+132749(Top 10%)217(Top 2%)217(Top 4%)
24M24.00 mi1.00 mi4376+107323+6323+62945(Top 10%)265(Top 2%)265(Top 5%)
40K24.85 mi0.85 mi4278+98320+3320+32722(Top 10%)246(Top 2%)246(Top 4%)
25.2M25.20 mi0.35 mi4221+57316+4316+42245(Top 8%)238(Top 2%)238(Top 4%)
Finish26.22 mi1.02 mi4066+155299+17299+171850(Top 7%)137(Top 1%)137(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5610

Females

470

F18-39

470

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5674

Females

459

F18-39

459

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5610

Females

470

F18-39

470

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5454

Females

458

F18-39

458

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4699

Females

326

F18-39

326

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5091

Females

411

F18-39

411

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4450

Females

369

F18-39

369

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4510

Females

403

F18-39

403

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3735

Females

326

F18-39

326

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4018

Females

412

F18-39

412

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2749

Females

217

F18-39

217

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2945

Females

265

F18-39

265

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2722

Females

246

F18-39

246

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2245

Females

238

F18-39

238

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1850

Females

137

F18-39

137

Passing Analysis

Category:
Athletes Passed
1474
Passed By
1474
Net Change
0
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4066
5K → 10K13718-705#4066#4771
10K → 15K54279-225#4771#4996
15K → 20K95186-91#4996#5087
20K → Half3915+24#5087#5063
Half → 25K11289+23#5063#5040
25K → 30K23779+158#5040#4882
30K → 20M9747+50#4882#4832
20M → 21M13415+119#4832#4713
21M → 35K7619+57#4713#4656
35K → 23M1818+173#4656#4483
23M → 24M1158+107#4483#4376
24M → 40K1068+98#4376#4278
40K → 25.2M592+57#4278#4221
25.2M → Finish1561+155#4221#4066
TOTALS147414740
📊

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