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BOSTON MARATHON 2025

Erin Schlegel

Bib: 15333•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:00/mi
21:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
43:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:05:51
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:28:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:33:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:51:03
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:15:23
↑ 181↓ 1480.2%
20M
7:50/mi
2:26:02
↑ 64↓ 500.2%
21M
8:29/mi
2:34:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:40:10
↑ 17↓ 861.7%
23M
8:03/mi
2:50:15
↑ 23↓ 630.6%
24M
8:09/mi
2:58:24
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:05:11
↓ 200.3%
25.2M
8:42/mi
3:08:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:15:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:11
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5621:447:0021:44
7:00
-
10K
6.21 mi11:15:0443:527:0422:08
7:07
+0:07
15K
9.32 mi11:37:031:05:517:0421:59
7:05
-0:02
20K
12.43 mi11:59:301:28:187:0622:27
7:14
+0:09
Half
13.11 mi12:04:231:33:117:064:53
7:09
-0:05
25K
15.53 mi12:22:151:51:037:0917:52
7:22
+0:13
30K
18.64 mi12:46:352:15:237:1624:20
7:50
+0:28
20M
20.00 mi12:57:142:26:027:1810:39
7:50
0:00
21M
21.00 mi13:05:432:34:317:218:29
8:29
+0:39
35K
21.75 mi13:11:222:40:107:225:39
7:33
-0:56
23M
23.00 mi13:21:272:50:157:2410:05
8:03
+0:30
24M
24.00 mi13:29:362:58:247:268:09
8:09
+0:06
40K
24.85 mi13:36:233:05:117:276:47
7:56
-0:13
25.2M
25.20 mi13:39:233:08:117:283:00
8:42
+0:46
Finish
26.22 mi13:46:463:15:347:287:23
7:15
-1:27

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

7:00 /mi

Average Pace

7:28 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:34

51% of race

Time at Steady Pace

23:31

12% of race

Time at Slower Pace

1:11:29

37% of race

Average Pace: 7:28 /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 mi10:52:5621:447:0021:44
7:00
#7794
10K
6.21 mi11:15:0443:527:0422:08
7:07
#8353
15K
9.32 mi11:37:031:05:517:0421:59
7:05
#8242
20K
12.43 mi11:59:301:28:187:0622:27
7:14
#8224
Half
13.11 mi12:04:231:33:117:064:53
7:09
#8228
25K
15.53 mi12:22:151:51:037:0917:52
7:22
#8287
30K
18.64 mi12:46:352:15:237:1624:20
7:50
#8537
20M
20.00 mi12:57:142:26:027:1810:39
7:50
#8542
21M
21.00 mi13:05:432:34:317:218:29
8:29
#8622
35K
21.75 mi13:11:222:40:107:225:39
7:33
#8610
23M
23.00 mi13:21:272:50:157:2410:05
8:03
#8671
24M
24.00 mi13:29:362:58:247:268:09
8:09
#8833
40K
24.85 mi13:36:233:05:117:276:47
7:56
#8817
25.2M
25.20 mi13:39:233:08:117:283:00
8:42
#8818
Finish
26.22 mi13:46:463:15:347:287:23
7:15
#8738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77949129128188(Top 29%)1114(Top 9%)1114(Top 20%)
10K6.21 mi3.10 mi8353-5591128-2161128-2168882(Top 31%)1330(Top 11%)1330(Top 24%)
15K9.32 mi3.11 mi8242+1111096+321096+328188(Top 29%)1114(Top 9%)1114(Top 20%)
20K12.43 mi3.11 mi8224+181116-201116-208438(Top 30%)1291(Top 11%)1291(Top 24%)
Half13.11 mi0.68 mi8228-41119-31119-38806(Top 31%)1418(Top 12%)1418(Top 26%)
25K15.53 mi2.42 mi8287-591157-381157-388923(Top 31%)1607(Top 13%)1607(Top 29%)
30K18.64 mi3.11 mi8537-2501316-1591316-15910165(Top 36%)2357(Top 19%)2357(Top 43%)
20M20.00 mi1.36 mi8542-51350-341350-349295(Top 33%)2113(Top 17%)2113(Top 39%)
21M21.00 mi1.00 mi8622-801420-701420-7010347(Top 36%)2777(Top 23%)2777(Top 51%)
35K21.75 mi0.75 mi8610+121429-91429-99032(Top 32%)2126(Top 17%)2126(Top 39%)
23M23.00 mi1.25 mi8671-611501-721501-7210430(Top 37%)2953(Top 24%)2953(Top 54%)
24M24.00 mi1.00 mi8833-1621607-1061607-10612243(Top 43%)3913(Top 32%)3913(Top 72%)
40K24.85 mi0.85 mi8817+161639-321639-329709(Top 34%)2768(Top 23%)2768(Top 51%)
25.2M25.20 mi0.35 mi8818-11654-151654-1510023(Top 35%)3010(Top 25%)3010(Top 55%)
Finish26.22 mi1.02 mi8738+801650+41650+47393(Top 26%)1813(Top 15%)1813(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8188

Females

1114

F18-39

1114

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8882

Females

1330

F18-39

1330

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8188

Females

1114

F18-39

1114

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8438

Females

1291

F18-39

1291

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8806

Females

1418

F18-39

1418

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8923

Females

1607

F18-39

1607

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10165

Females

2357

F18-39

2357

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9295

Females

2113

F18-39

2113

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10347

Females

2777

F18-39

2777

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9032

Females

2126

F18-39

2126

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10430

Females

2953

F18-39

2953

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12243

Females

3913

F18-39

3913

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9709

Females

2768

F18-39

2768

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10023

Females

3010

F18-39

3010

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7393

Females

1813

F18-39

1813

Passing Analysis

Category:
Athletes Passed
1296
Passed By
2240
Net Change
-944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7794
5K → 10K49608-559#7794#8353
10K → 15K20493+111#8353#8242
15K → 20K163145+18#8242#8224
20K → Half1721-4#8224#8228
Half → 25K111170-59#8228#8287
25K → 30K143393-250#8287#8537
30K → 20M9196-5#8537#8542
20M → 21M66146-80#8542#8622
21M → 35K6654+12#8622#8610
35K → 23M103164-61#8610#8671
23M → 24M45207-162#8671#8833
24M → 40K7862+16#8833#8817
40K → 25.2M3738-1#8817#8818
25.2M → Finish12343+80#8818#8738
TOTALS12962240-944
📊

Passing Visuals

Category:
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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