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BOSTON MARATHON 2025

Sarah Decarpentrie

Bib: 9054•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
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
6:46/mi
21:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
41:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:00
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:24:19
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:28:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:45:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:08:53
↑ 181↓ 1480.2%
20M
7:08/mi
2:18:34
↑ 64↓ 500.2%
21M
7:31/mi
2:26:05
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:31:14
↑ 17↓ 861.7%
23M
6:59/mi
2:39:58
↑ 23↓ 630.6%
24M
6:53/mi
2:46:51
↓ 821.3%
40K· 24.85 mi
7:01/mi
2:52:51
↓ 200.3%
25.2M
7:24/mi
2:55:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:40/mi
3:02:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:56
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:33:16
Pace7:07 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1521:006:4621:00
6:46
-
10K
6.21 mi11:07:1241:576:4520:57
6:45
-0:01
15K
9.32 mi11:28:151:03:006:4621:03
6:47
+0:02
20K
12.43 mi11:49:341:24:196:4721:19
6:52
+0:05
Half
13.11 mi11:54:111:28:566:474:37
6:46
-0:06
25K
15.53 mi12:10:591:45:446:4816:48
6:56
+0:10
30K
18.64 mi12:34:082:08:536:5523:09
7:27
+0:31
20M
20.00 mi12:43:492:18:346:569:41
7:08
-0:19
21M
21.00 mi12:51:202:26:056:577:31
7:31
+0:23
35K
21.75 mi12:56:292:31:146:575:09
6:53
-0:38
23M
23.00 mi13:05:132:39:586:578:44
6:59
+0:06
24M
24.00 mi13:12:062:46:516:576:53
6:53
-0:06
40K
24.85 mi13:18:062:52:516:576:00
7:01
+0:08
25.2M
25.20 mi13:20:392:55:246:582:33
7:24
+0:23
Finish
26.22 mi13:27:273:02:126:576:48
6:40
-0:44

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

6:40 /mi

Average Pace

6:57 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:59

82% of race

Time at Steady Pace

33:13

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:46:1521:006:4621:00
6:46
#6009
10K
6.21 mi11:07:1241:576:4520:57
6:45
#5849
15K
9.32 mi11:28:151:03:006:4621:03
6:47
#5808
20K
12.43 mi11:49:341:24:196:4721:19
6:52
#5819
Half
13.11 mi11:54:111:28:566:474:37
6:46
#5811
25K
15.53 mi12:10:591:45:446:4816:48
6:56
#5777
30K
18.64 mi12:34:082:08:536:5523:09
7:27
#6066
20M
20.00 mi12:43:492:18:346:569:41
7:08
#5931
21M
21.00 mi12:51:202:26:056:577:31
7:31
#5794
35K
21.75 mi12:56:292:31:146:575:09
6:53
#5727
23M
23.00 mi13:05:132:39:586:578:44
6:59
#5537
24M
24.00 mi13:12:062:46:516:576:53
6:53
#5422
40K
24.85 mi13:18:062:52:516:576:00
7:01
#5316
25.2M
25.20 mi13:20:392:55:246:582:33
7:24
#5254
Finish
26.22 mi13:27:273:02:126:576:48
6:40
#5164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60094744745857(Top 21%)508(Top 4%)508(Top 9%)
10K6.21 mi3.10 mi5849+160452+22452+225794(Top 20%)475(Top 4%)475(Top 9%)
15K9.32 mi3.11 mi5808+41459-7459-75857(Top 21%)508(Top 4%)508(Top 9%)
20K12.43 mi3.11 mi5819-11472-13472-135890(Top 21%)529(Top 4%)529(Top 10%)
Half13.11 mi0.68 mi5811+84724725925(Top 21%)523(Top 4%)523(Top 10%)
25K15.53 mi2.42 mi5777+34476-4476-45865(Top 21%)562(Top 5%)562(Top 10%)
30K18.64 mi3.11 mi6066-289569-93569-937391(Top 26%)1157(Top 9%)1157(Top 21%)
20M20.00 mi1.36 mi5931+135549+20549+204829(Top 17%)463(Top 4%)463(Top 8%)
21M21.00 mi1.00 mi5794+137528+21528+214715(Top 17%)533(Top 4%)533(Top 10%)
35K21.75 mi0.75 mi5727+67520+8520+84675(Top 16%)518(Top 4%)518(Top 9%)
23M23.00 mi1.25 mi5537+190500+20500+203645(Top 13%)340(Top 3%)340(Top 6%)
24M24.00 mi1.00 mi5422+115485+15485+154025(Top 14%)461(Top 4%)461(Top 8%)
40K24.85 mi0.85 mi5316+106477+8477+84056(Top 14%)510(Top 4%)510(Top 9%)
25.2M25.20 mi0.35 mi5254+62473+4473+43026(Top 11%)329(Top 3%)329(Top 6%)
Finish26.22 mi1.02 mi5164+90466+7466+73755(Top 13%)489(Top 4%)489(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5857

Females

508

F18-39

508

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5794

Females

475

F18-39

475

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5857

Females

508

F18-39

508

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5890

Females

529

F18-39

529

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5925

Females

523

F18-39

523

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5865

Females

562

F18-39

562

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7391

Females

1157

F18-39

1157

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4829

Females

463

F18-39

463

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4715

Females

533

F18-39

533

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4675

Females

518

F18-39

518

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3645

Females

340

F18-39

340

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

4025

Females

461

F18-39

461

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4056

Females

510

F18-39

510

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3026

Females

329

F18-39

329

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3755

Females

489

F18-39

489

Passing Analysis

Category:
Athletes Passed
1785
Passed By
940
Net Change
+845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6009
5K → 10K264104+160#6009#5849
10K → 15K145104+41#5849#5808
15K → 20K130141-11#5808#5819
20K → Half2416+8#5819#5811
Half → 25K150116+34#5811#5777
25K → 30K97386-289#5777#6066
30K → 20M15116+135#6066#5931
20M → 21M1469+137#5931#5794
21M → 35K8215+67#5794#5727
35K → 23M1944+190#5727#5537
23M → 24M1205+115#5537#5422
24M → 40K11610+106#5422#5316
40K → 25.2M620+62#5316#5254
25.2M → Finish10414+90#5254#5164
TOTALS1785940+845
📊

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