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BOSTON MARATHON 2025

Sarah Bartlett

Bib: 18767•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
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
7:40/mi
23:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:12
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:35:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:40:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:58:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:23:20
↑ 181↓ 1480.2%
20M
7:57/mi
2:34:08
↑ 64↓ 500.2%
21M
8:18/mi
2:42:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:48:12
↑ 17↓ 861.7%
23M
8:06/mi
2:58:21
↑ 23↓ 630.6%
24M
7:42/mi
3:06:03
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:12:35
↓ 200.3%
25.2M
8:10/mi
3:15:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
3:22:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:10
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:42:33
Pace7:49 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4723:487:4023:48
7:40
-
10K
6.21 mi11:38:2847:297:3923:41
7:37
-0:03
15K
9.32 mi12:02:111:11:127:3823:43
7:38
+0:01
20K
12.43 mi12:25:591:35:007:3923:48
7:40
+0:02
Half
13.11 mi12:31:091:40:107:385:10
7:34
-0:06
25K
15.53 mi12:49:481:58:497:3918:39
7:42
+0:08
30K
18.64 mi13:14:192:23:207:4124:31
7:53
+0:11
20M
20.00 mi13:25:072:34:087:4210:48
7:57
+0:04
21M
21.00 mi13:33:252:42:267:448:18
8:18
+0:21
35K
21.75 mi13:39:112:48:127:445:46
7:42
-0:36
23M
23.00 mi13:49:202:58:217:4510:09
8:06
+0:24
24M
24.00 mi13:57:023:06:037:457:42
7:42
-0:24
40K
24.85 mi14:03:343:12:357:456:32
7:38
-0:04
25.2M
25.20 mi14:06:233:15:247:452:49
8:10
+0:32
Finish
26.22 mi14:13:423:22:437:447:19
7:11
-0:59

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

7:11 /mi

Average Pace

7:44 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:39

84% of race

Time at Steady Pace

32:04

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:14:4723:487:4023:48
7:40
#13608
10K
6.21 mi11:38:2847:297:3923:41
7:37
#13409
15K
9.32 mi12:02:111:11:127:3823:43
7:38
#13220
20K
12.43 mi12:25:591:35:007:3923:48
7:40
#12878
Half
13.11 mi12:31:091:40:107:385:10
7:34
#12842
25K
15.53 mi12:49:481:58:497:3918:39
7:42
#12584
30K
18.64 mi13:14:192:23:207:4124:31
7:53
#12172
20M
20.00 mi13:25:072:34:087:4210:48
7:57
#11971
21M
21.00 mi13:33:252:42:267:448:18
8:18
#11766
35K
21.75 mi13:39:112:48:127:445:46
7:42
#11698
23M
23.00 mi13:49:202:58:217:4510:09
8:06
#11597
24M
24.00 mi13:57:023:06:037:457:42
7:42
#11430
40K
24.85 mi14:03:343:12:357:456:32
7:38
#11245
25.2M
25.20 mi14:06:233:15:247:452:49
8:10
#11157
Finish
26.22 mi14:13:423:22:437:447:19
7:11
#10947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136083656365612922(Top 45%)3399(Top 28%)3399(Top 62%)
10K6.21 mi3.10 mi13409+1993594+623594+6213239(Top 47%)3516(Top 29%)3516(Top 64%)
15K9.32 mi3.11 mi13220+1893524+703524+7012922(Top 45%)3399(Top 28%)3399(Top 62%)
20K12.43 mi3.11 mi12878+3423376+1483376+14812055(Top 42%)3026(Top 25%)3026(Top 55%)
Half13.11 mi0.68 mi12842+363361+153361+1512380(Top 44%)3147(Top 26%)3147(Top 58%)
25K15.53 mi2.42 mi12584+2583236+1253236+12511488(Top 40%)2837(Top 23%)2837(Top 52%)
30K18.64 mi3.11 mi12172+4123084+1523084+15210574(Top 37%)2580(Top 21%)2580(Top 47%)
20M20.00 mi1.36 mi11971+2013015+693015+6910115(Top 36%)2490(Top 20%)2490(Top 46%)
21M21.00 mi1.00 mi11766+2052944+712944+719254(Top 33%)2278(Top 19%)2278(Top 42%)
35K21.75 mi0.75 mi11698+682931+132931+1310178(Top 36%)2696(Top 22%)2696(Top 49%)
23M23.00 mi1.25 mi11597+1012931293110808(Top 38%)3131(Top 26%)3131(Top 57%)
24M24.00 mi1.00 mi11430+1672876+552876+559143(Top 32%)2399(Top 20%)2399(Top 44%)
40K24.85 mi0.85 mi11245+1852818+582818+587755(Top 27%)1881(Top 15%)1881(Top 34%)
25.2M25.20 mi0.35 mi11157+882794+242794+246981(Top 25%)1653(Top 14%)1653(Top 30%)
Finish26.22 mi1.02 mi10947+2102717+772717+776961(Top 25%)1638(Top 13%)1638(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12922

Females

3399

F18-39

3399

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13239

Females

3516

F18-39

3516

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12922

Females

3399

F18-39

3399

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

12055

Females

3026

F18-39

3026

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12380

Females

3147

F18-39

3147

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11488

Females

2837

F18-39

2837

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10574

Females

2580

F18-39

2580

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10115

Females

2490

F18-39

2490

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9254

Females

2278

F18-39

2278

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10178

Females

2696

F18-39

2696

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10808

Females

3131

F18-39

3131

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9143

Females

2399

F18-39

2399

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7755

Females

1881

F18-39

1881

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6981

Females

1653

F18-39

1653

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6961

Females

1638

F18-39

1638

Passing Analysis

Category:
Athletes Passed
3281
Passed By
620
Net Change
+2661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13608
5K → 10K388189+199#13608#13409
10K → 15K295106+189#13409#13220
15K → 20K40664+342#13220#12878
20K → Half4913+36#12878#12842
Half → 25K28931+258#12842#12584
25K → 30K47058+412#12584#12172
30K → 20M22625+201#12172#11971
20M → 21M22722+205#11971#11766
21M → 35K9224+68#11766#11698
35K → 23M16059+101#11698#11597
23M → 24M18013+167#11597#11430
24M → 40K1938+185#11430#11245
40K → 25.2M924+88#11245#11157
25.2M → Finish2144+210#11157#10947
TOTALS3281620+2661
📊

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