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BOSTON MARATHON 2025

Sarah Sheen

Bib: 28599•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:14
Rank: #24914
Start → 5K
30:14 | 9:44/mi
10K· 6.21 mi
1:00:38
Rank: #24874 (+40)
5K → 10K
30:24 | 9:47/mi
15K· 9.32 mi
1:31:56
Rank: #24964 (-90)
10K → 15K
31:18 | 10:04/mi
20K· 12.43 mi
2:05:05
Rank: #25161 (-197)
15K → 20K
33:09 | 10:40/mi
Half· 13.11 mi
2:12:13
Rank: #25197 (-36)
20K → Half
7:08 | 10:27/mi
25K· 15.53 mi
2:39:18
Rank: #25231 (-34)
Half → 25K
27:05 | 11:10/mi
30K· 18.64 mi
3:15:40
Rank: #25231
25K → 30K
36:22 | 11:42/mi
20M
3:31:21
Rank: #25191 (+40)
30K → 20M
15:41 | 11:32/mi
21M
3:44:02
Rank: #25173 (+18)
20M → 21M
12:41 | 12:41/mi
35K· 21.75 mi
3:52:04
Rank: #25131 (+42)
21M → 35K
8:02 | 10:44/mi
23M
4:05:48
Rank: #25053 (+78)
35K → 23M
13:44 | 10:58/mi
24M
4:16:16
Rank: #24968 (+85)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
4:24:59
Rank: #24857 (+111)
24M → 40K
8:43 | 10:12/mi
25.2M
4:28:40
Rank: #24805 (+52)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
4:38:19
Rank: #24722 (+83)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:13
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:26:06
Pace11:09 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3330:149:4430:14
9:44
-
10K
6.21 mi12:17:571:00:389:4530:24
9:47
+0:03
15K
9.32 mi12:49:151:31:569:5231:18
10:04
+0:17
20K
12.43 mi13:22:242:05:0510:0433:09
10:40
+0:36
Half
13.11 mi13:29:322:12:1310:057:08
10:27
-0:13
25K
15.53 mi13:56:372:39:1810:1527:05
11:10
+0:43
30K
18.64 mi14:32:593:15:4010:3036:22
11:42
+0:32
20M
20.00 mi14:48:403:31:2110:3415:41
11:32
-0:10
21M
21.00 mi15:01:213:44:0210:4012:41
12:41
+1:09
35K
21.75 mi15:09:233:52:0410:408:02
10:44
-1:57
23M
23.00 mi15:23:074:05:4810:4113:44
10:58
+0:14
24M
24.00 mi15:33:354:16:1610:4110:28
10:28
-0:30
40K
24.85 mi15:42:184:24:5910:408:43
10:12
-0:16
25.2M
25.20 mi15:45:594:28:4010:403:41
10:41
+0:29
Finish
26.22 mi15:55:384:38:1910:379:39
9:28
-1:13

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

9:28 /mi

Average Pace

10:37 /mi

Slowest Pace

12:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:18

40% of race

Time at Steady Pace

1:16:12

27% of race

Time at Slower Pace

1:31:49

33% of race

Average Pace: 10:37 /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 mi11:47:3330:149:4430:14
9:44
#24914
10K
6.21 mi12:17:571:00:389:4530:24
9:47
#24874
15K
9.32 mi12:49:151:31:569:5231:18
10:04
#24964
20K
12.43 mi13:22:242:05:0510:0433:09
10:40
#25161
Half
13.11 mi13:29:322:12:1310:057:08
10:27
#25197
25K
15.53 mi13:56:372:39:1810:1527:05
11:10
#25231
30K
18.64 mi14:32:593:15:4010:3036:22
11:42
#25231
20M
20.00 mi14:48:403:31:2110:3415:41
11:32
#25191
21M
21.00 mi15:01:213:44:0210:4012:41
12:41
#25173
35K
21.75 mi15:09:233:52:0410:408:02
10:44
#25131
23M
23.00 mi15:23:074:05:4810:4113:44
10:58
#25053
24M
24.00 mi15:33:354:16:1610:4110:28
10:28
#24968
40K
24.85 mi15:42:184:24:5910:408:43
10:12
#24857
25.2M
25.20 mi15:45:594:28:4010:403:41
10:41
#24805
Finish
26.22 mi15:55:384:38:1910:379:39
9:28
#24722
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24914101661016625140(Top 89%)10302(Top 84%)10302(Top 188%)
10K6.21 mi3.10 mi24874+4010162+410162+424810(Top 87%)10129(Top 83%)10129(Top 185%)
15K9.32 mi3.11 mi24964-9010201-3910201-3925140(Top 89%)10302(Top 84%)10302(Top 188%)
20K12.43 mi3.11 mi25161-19710322-12110322-12125482(Top 90%)10521(Top 86%)10521(Top 192%)
Half13.11 mi0.68 mi25197-3610348-2610348-2625697(Top 90%)10657(Top 87%)10657(Top 195%)
25K15.53 mi2.42 mi25231-3410379-3110379-3125445(Top 90%)10538(Top 86%)10538(Top 193%)
30K18.64 mi3.11 mi2523110408-2910408-2925149(Top 89%)10482(Top 86%)10482(Top 192%)
20M20.00 mi1.36 mi25191+4010405+310405+324589(Top 87%)10264(Top 84%)10264(Top 188%)
21M21.00 mi1.00 mi25173+1810406-110406-124631(Top 87%)10362(Top 85%)10362(Top 189%)
35K21.75 mi0.75 mi25131+4210392+1410392+1423637(Top 83%)9873(Top 81%)9873(Top 181%)
23M23.00 mi1.25 mi25053+7810362+3010362+3023134(Top 81%)9683(Top 79%)9683(Top 177%)
24M24.00 mi1.00 mi24968+8510323+3910323+3922698(Top 80%)9483(Top 78%)9483(Top 173%)
40K24.85 mi0.85 mi24857+11110276+4710276+4721032(Top 74%)8690(Top 71%)8690(Top 159%)
25.2M25.20 mi0.35 mi24805+5210257+1910257+1919573(Top 69%)7960(Top 65%)7960(Top 146%)
Finish26.22 mi1.02 mi24722+8310219+3810219+3821041(Top 74%)8683(Top 71%)8683(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25140

Females

10302

F18-39

10302

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24810

Females

10129

F18-39

10129

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25140

Females

10302

F18-39

10302

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25482

Females

10521

F18-39

10521

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25697

Females

10657

F18-39

10657

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25445

Females

10538

F18-39

10538

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25149

Females

10482

F18-39

10482

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24589

Females

10264

F18-39

10264

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24631

Females

10362

F18-39

10362

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23637

Females

9873

F18-39

9873

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23134

Females

9683

F18-39

9683

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22698

Females

9483

F18-39

9483

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21032

Females

8690

F18-39

8690

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19573

Females

7960

F18-39

7960

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21041

Females

8683

F18-39

8683

Passing Analysis

Category:
Athletes Passed
1227
Passed By
1035
Net Change
+192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24914
5K → 10K215175+40#24914#24874
10K → 15K92182-90#24874#24964
15K → 20K78275-197#24964#25161
20K → Half1652-36#25161#25197
Half → 25K93127-34#25197#25231
25K → 30K1301300#25231#25231
30K → 20M7636+40#25231#25191
20M → 21M5840+18#25191#25173
21M → 35K475+42#25173#25131
35K → 23M824+78#25131#25053
23M → 24M894+85#25053#24968
24M → 40K1132+111#24968#24857
40K → 25.2M520+52#24857#24805
25.2M → Finish863+83#24805#24722
TOTALS12271035+192
📊

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