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BOSTON MARATHON 2025

Alexandra Bratton

Bib: 31748•F

MA

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

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
11:36/mi
36:03
↑ 97↓ 3451.5%
10K· 6.21 mi
11:42/mi
1:12:24
↑ 79↓ 1380.4%
15K· 9.32 mi
11:38/mi
1:48:32
↑ 67↓ 78
20K· 12.43 mi
12:21/mi
2:26:54
↑ 106↓ 860.1%
Half· 13.11 mi
11:42/mi
2:34:53
↑ 19↓ 370.5%
25K· 15.53 mi
12:17/mi
3:04:39
↑ 66↓ 880.2%
30K· 18.64 mi
12:54/mi
3:44:43
↑ 181↓ 1480.2%
20M
12:24/mi
4:01:34
↑ 64↓ 500.2%
21M
13:56/mi
4:15:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:42/mi
4:24:15
↑ 17↓ 861.7%
23M
11:30/mi
4:38:39
↑ 23↓ 630.6%
24M
11:03/mi
4:49:42
↓ 821.3%
40K· 24.85 mi
11:29/mi
4:59:31
↓ 200.3%
25.2M
14:10/mi
5:04:24
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
5:15:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:53
Pace11:49 /mi
2nd Half
Distance13.11 mi
Time2:40:23
Pace12:14 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:4436:0311:3636:03
11:36
-
10K
6.21 mi12:38:051:12:2411:3936:21
11:42
+0:06
15K
9.32 mi13:14:131:48:3211:3936:08
11:38
-0:04
20K
12.43 mi13:52:352:26:5411:4938:22
12:21
+0:43
Half
13.11 mi14:00:342:34:5311:497:59
11:42
-0:39
25K
15.53 mi14:30:203:04:3911:5329:46
12:17
+0:35
30K
18.64 mi15:10:243:44:4312:0340:04
12:54
+0:37
20M
20.00 mi15:27:154:01:3412:0516:51
12:24
-0:30
21M
21.00 mi15:41:114:15:3012:1013:56
13:56
+1:32
35K
21.75 mi15:49:564:24:1512:098:45
11:42
-2:14
23M
23.00 mi16:04:204:38:3912:0714:24
11:30
-0:12
24M
24.00 mi16:15:234:49:4212:0411:03
11:03
-0:27
40K
24.85 mi16:25:124:59:3112:039:49
11:29
+0:26
25.2M
25.20 mi16:30:055:04:2412:054:53
14:10
+2:41
Finish
26.22 mi16:40:575:15:1612:0210:52
10:40
-3:30

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

10:40 /mi

Average Pace

12:02 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:55

7% of race

Time at Steady Pace

2:29:29

47% of race

Time at Slower Pace

2:23:52

46% of race

Average Pace: 12:01 /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 mi12:01:4436:0311:3636:03
11:36
#28081
10K
6.21 mi12:38:051:12:2411:3936:21
11:42
#27920
15K
9.32 mi13:14:131:48:3211:3936:08
11:38
#27764
20K
12.43 mi13:52:352:26:5411:4938:22
12:21
#27689
Half
13.11 mi14:00:342:34:5311:497:59
11:42
#27669
25K
15.53 mi14:30:203:04:3911:5329:46
12:17
#27511
30K
18.64 mi15:10:243:44:4312:0340:04
12:54
#27345
20M
20.00 mi15:27:154:01:3412:0516:51
12:24
#27258
21M
21.00 mi15:41:114:15:3012:1013:56
13:56
#27220
35K
21.75 mi15:49:564:24:1512:098:45
11:42
#27174
23M
23.00 mi16:04:204:38:3912:0714:24
11:30
#27085
24M
24.00 mi16:15:234:49:4212:0411:03
11:03
#27009
40K
24.85 mi16:25:124:59:3112:039:49
11:29
#26925
25.2M
25.20 mi16:30:055:04:2412:054:53
14:10
#26921
Finish
26.22 mi16:40:575:15:1612:0210:52
10:40
#26858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28081120121201227352(Top 96%)11592(Top 95%)11592(Top 212%)
10K6.21 mi3.10 mi27920+16111905+10711905+10727757(Top 98%)11812(Top 97%)11812(Top 216%)
15K9.32 mi3.11 mi27764+15611822+8311822+8327352(Top 96%)11592(Top 95%)11592(Top 212%)
20K12.43 mi3.11 mi27689+7511790+3211790+3227399(Top 96%)11643(Top 95%)11643(Top 213%)
Half13.11 mi0.68 mi27669+2011777+1311777+1327230(Top 96%)11549(Top 94%)11549(Top 211%)
25K15.53 mi2.42 mi27511+15811691+8611691+8626725(Top 94%)11266(Top 92%)11266(Top 206%)
30K18.64 mi3.11 mi27345+16611612+7911612+7926572(Top 94%)11265(Top 92%)11265(Top 206%)
20M20.00 mi1.36 mi27258+8711560+5211560+5225791(Top 91%)10900(Top 89%)10900(Top 199%)
21M21.00 mi1.00 mi27220+3811543+1711543+1726157(Top 92%)11132(Top 91%)11132(Top 204%)
35K21.75 mi0.75 mi27174+4611522+2111522+2125396(Top 89%)10801(Top 88%)10801(Top 197%)
23M23.00 mi1.25 mi27085+8911476+4611476+4624242(Top 85%)10222(Top 84%)10222(Top 187%)
24M24.00 mi1.00 mi27009+7611440+3611440+3624078(Top 85%)10161(Top 83%)10161(Top 186%)
40K24.85 mi0.85 mi26925+8411399+4111399+4124092(Top 85%)10218(Top 84%)10218(Top 187%)
25.2M25.20 mi0.35 mi26921+411398+111398+126442(Top 93%)11408(Top 93%)11408(Top 209%)
Finish26.22 mi1.02 mi26858+6311372+2611372+2624642(Top 87%)10484(Top 86%)10484(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27352

Females

11592

F18-39

11592

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27757

Females

11812

F18-39

11812

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27352

Females

11592

F18-39

11592

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27399

Females

11643

F18-39

11643

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27230

Females

11549

F18-39

11549

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26725

Females

11266

F18-39

11266

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26572

Females

11265

F18-39

11265

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25791

Females

10900

F18-39

10900

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26157

Females

11132

F18-39

11132

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25396

Females

10801

F18-39

10801

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24242

Females

10222

F18-39

10222

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24078

Females

10161

F18-39

10161

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24092

Females

10218

F18-39

10218

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26442

Females

11408

F18-39

11408

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24642

Females

10484

F18-39

10484

Passing Analysis

Category:
Athletes Passed
1330
Passed By
107
Net Change
+1223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28081
5K → 10K18322+161#28081#27920
10K → 15K16610+156#27920#27764
15K → 20K10833+75#27764#27689
20K → Half222+20#27689#27669
Half → 25K1635+158#27669#27511
25K → 30K17812+166#27511#27345
30K → 20M903+87#27345#27258
20M → 21M413+38#27258#27220
21M → 35K504+46#27220#27174
35K → 23M901+89#27174#27085
23M → 24M771+76#27085#27009
24M → 40K840+84#27009#26925
40K → 25.2M128+4#26925#26921
25.2M → Finish663+63#26921#26858
TOTALS1330107+1223
📊

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