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BOSTON MARATHON 2025

Emily Schaeffer

Bib: 12994•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 9%
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
7:04/mi
21:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
43:07
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:04:07
↑ 67↓ 78
20K· 12.43 mi
6:43/mi
1:25:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:29:28
↑ 19↓ 370.5%
25K· 15.53 mi
6:43/mi
1:45:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:08:54
↑ 181↓ 1480.2%
20M
6:59/mi
2:18:24
↑ 64↓ 500.2%
21M
8:12/mi
2:26:36
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:31:45
↑ 17↓ 861.7%
23M
7:43/mi
2:41:25
↑ 23↓ 630.6%
24M
6:51/mi
2:48:16
↓ 821.3%
40K· 24.85 mi
7:33/mi
2:54:43
↓ 200.3%
25.2M
7:12/mi
2:57:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:32/mi
3:03:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3121:577:0421:57
7:04
-
10K
6.21 mi11:11:4143:076:5621:10
6:49
-0:15
15K
9.32 mi11:32:411:04:076:5321:00
6:46
-0:03
20K
12.43 mi11:53:341:25:006:5020:53
6:43
-0:03
Half
13.11 mi11:58:021:29:286:494:28
6:33
-0:10
25K
15.53 mi12:14:201:45:466:4916:18
6:43
+0:10
30K
18.64 mi12:37:282:08:546:5523:08
7:27
+0:44
20M
20.00 mi12:46:582:18:246:559:30
6:59
-0:28
21M
21.00 mi12:55:102:26:366:598:12
8:12
+1:13
35K
21.75 mi13:00:192:31:456:595:09
6:53
-1:19
23M
23.00 mi13:09:592:41:257:019:40
7:43
+0:50
24M
24.00 mi13:16:502:48:167:016:51
6:51
-0:52
40K
24.85 mi13:23:172:54:437:026:27
7:33
+0:42
25.2M
25.20 mi13:25:462:57:127:022:29
7:12
-0:21
Finish
26.22 mi13:32:253:03:517:016:39
6:32
-0:40

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

6:32 /mi

Average Pace

7:01 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:07

6% of race

Time at Steady Pace

2:02:48

67% of race

Time at Slower Pace

49:56

27% of race

Average Pace: 7:01 /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 mi10:50:3121:577:0421:57
7:04
#8354
10K
6.21 mi11:11:4143:076:5621:10
6:49
#7432
15K
9.32 mi11:32:411:04:076:5321:00
6:46
#6911
20K
12.43 mi11:53:341:25:006:5020:53
6:43
#6311
Half
13.11 mi11:58:021:29:286:494:28
6:33
#6174
25K
15.53 mi12:14:201:45:466:4916:18
6:43
#5793
30K
18.64 mi12:37:282:08:546:5523:08
7:27
#6073
20M
20.00 mi12:46:582:18:246:559:30
6:59
#5873
21M
21.00 mi12:55:102:26:366:598:12
8:12
#5967
35K
21.75 mi13:00:192:31:456:595:09
6:53
#5881
23M
23.00 mi13:09:592:41:257:019:40
7:43
#5921
24M
24.00 mi13:16:502:48:167:016:51
6:51
#5758
40K
24.85 mi13:23:172:54:437:026:27
7:33
#5756
25.2M
25.20 mi13:25:462:57:127:022:29
7:12
#5635
Finish
26.22 mi13:32:253:03:517:016:39
6:32
#5485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8354111111115708(Top 20%)490(Top 4%)490(Top 9%)
10K6.21 mi3.10 mi7432+922807+304807+3046553(Top 23%)615(Top 5%)615(Top 11%)
15K9.32 mi3.11 mi6911+521686+121686+1215708(Top 20%)490(Top 4%)490(Top 9%)
20K12.43 mi3.11 mi6311+600569+117569+1174643(Top 16%)326(Top 3%)326(Top 6%)
Half13.11 mi0.68 mi6174+137542+27542+274092(Top 14%)248(Top 2%)248(Top 5%)
25K15.53 mi2.42 mi5793+381486+56486+564321(Top 15%)306(Top 3%)306(Top 6%)
30K18.64 mi3.11 mi6073-280573-87573-877359(Top 26%)1144(Top 9%)1144(Top 21%)
20M20.00 mi1.36 mi5873+200539+34539+344080(Top 14%)332(Top 3%)332(Top 6%)
21M21.00 mi1.00 mi5967-94574-35574-358598(Top 30%)1972(Top 16%)1972(Top 36%)
35K21.75 mi0.75 mi5881+86559+15559+154679(Top 16%)522(Top 4%)522(Top 10%)
23M23.00 mi1.25 mi5921-40588-29588-298029(Top 28%)1826(Top 15%)1826(Top 33%)
24M24.00 mi1.00 mi5758+163567+21567+213845(Top 14%)428(Top 4%)428(Top 8%)
40K24.85 mi0.85 mi5756+2583-16583-167061(Top 25%)1563(Top 13%)1563(Top 29%)
25.2M25.20 mi0.35 mi5635+121563+20563+202232(Top 8%)225(Top 2%)225(Top 4%)
Finish26.22 mi1.02 mi5485+150537+26537+262981(Top 10%)314(Top 3%)314(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5708

Females

490

F18-39

490

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6553

Females

615

F18-39

615

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5708

Females

490

F18-39

490

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4643

Females

326

F18-39

326

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

4092

Females

248

F18-39

248

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4321

Females

306

F18-39

306

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7359

Females

1144

F18-39

1144

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

4080

Females

332

F18-39

332

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8598

Females

1972

F18-39

1972

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4679

Females

522

F18-39

522

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

8029

Females

1826

F18-39

1826

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3845

Females

428

F18-39

428

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7061

Females

1563

F18-39

1563

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2232

Females

225

F18-39

225

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2981

Females

314

F18-39

314

Passing Analysis

Category:
Athletes Passed
3578
Passed By
709
Net Change
+2869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8354
5K → 10K9319+922#8354#7432
10K → 15K5276+521#7432#6911
15K → 20K6000+600#6911#6311
20K → Half1370+137#6311#6174
Half → 25K3854+381#6174#5793
25K → 30K97377-280#5793#6073
30K → 20M2055+200#6073#5873
20M → 21M40134-94#5873#5967
21M → 35K9711+86#5967#5881
35K → 23M69109-40#5881#5921
23M → 24M1630+163#5921#5758
24M → 40K5351+2#5758#5756
40K → 25.2M1232+121#5756#5635
25.2M → Finish1511+150#5635#5485
TOTALS3578709+2869
📊

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