Boston Marathon logo
BOSTON MARATHON 2025

Alexandra Ball

Bib: 27169•F

MA

0:00
0:00
/ mi
Be the first to cheer!
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
9:45/mi
30:17
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:00:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:32/mi
1:30:02
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:59:52
↑ 106↓ 860.1%
Half· 13.11 mi
9:51/mi
2:06:35
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:31:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
3:02:49
↑ 181↓ 1480.2%
20M
10:10/mi
3:16:38
↑ 64↓ 500.2%
21M
10:41/mi
3:27:19
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:34:46
↑ 17↓ 861.7%
23M
10:14/mi
3:47:35
↑ 23↓ 630.6%
24M
10:15/mi
3:57:50
↓ 821.3%
40K· 24.85 mi
10:29/mi
4:06:48
↓ 200.3%
25.2M
11:39/mi
4:10:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:46/mi
4:20:46
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:35
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:14:11
Pace10:14 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2830:179:4530:17
9:45
-
10K
6.21 mi12:16:351:00:249:4330:07
9:42
-0:03
15K
9.32 mi12:46:131:30:029:4029:38
9:32
-0:10
20K
12.43 mi13:16:031:59:529:3929:50
9:36
+0:04
Half
13.11 mi13:22:462:06:359:396:43
9:51
+0:15
25K
15.53 mi13:47:122:31:019:4324:26
10:05
+0:14
30K
18.64 mi14:19:003:02:499:4831:48
10:14
+0:09
20M
20.00 mi14:32:493:16:389:5013:49
10:10
-0:04
21M
21.00 mi14:43:303:27:199:5210:41
10:41
+0:31
35K
21.75 mi14:50:573:34:469:537:27
9:57
-0:44
23M
23.00 mi15:03:463:47:359:5412:49
10:14
+0:17
24M
24.00 mi15:14:013:57:509:5510:15
10:15
+0:01
40K
24.85 mi15:22:594:06:489:568:58
10:29
+0:14
25.2M
25.20 mi15:27:004:10:499:574:01
11:39
+1:10
Finish
26.22 mi15:36:574:20:469:579:57
9:46
-1:53

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

9:32 /mi

Average Pace

9:57 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:49

50% of race

Time at Steady Pace

1:47:17

41% of race

Time at Slower Pace

23:40

9% of race

Average Pace: 9:57 /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 mi11:46:2830:179:4530:17
9:45
#24965
10K
6.21 mi12:16:351:00:249:4330:07
9:42
#24785
15K
9.32 mi12:46:131:30:029:4029:38
9:32
#24467
20K
12.43 mi13:16:031:59:529:3929:50
9:36
#24153
Half
13.11 mi13:22:462:06:359:396:43
9:51
#24174
25K
15.53 mi13:47:122:31:019:4324:26
10:05
#24032
30K
18.64 mi14:19:003:02:499:4831:48
10:14
#23693
20M
20.00 mi14:32:493:16:389:5013:49
10:10
#23522
21M
21.00 mi14:43:303:27:199:5210:41
10:41
#23343
35K
21.75 mi14:50:573:34:469:537:27
9:57
#23294
23M
23.00 mi15:03:463:47:359:5412:49
10:14
#23187
24M
24.00 mi15:14:013:57:509:5510:15
10:15
#23125
40K
24.85 mi15:22:594:06:489:568:58
10:29
#23079
25.2M
25.20 mi15:27:004:10:499:574:01
11:39
#23071
Finish
26.22 mi15:36:574:20:469:579:57
9:46
#23039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24965101931019323849(Top 84%)9572(Top 78%)9572(Top 175%)
10K6.21 mi3.10 mi24785+18010110+8310110+8324597(Top 87%)10016(Top 82%)10016(Top 183%)
15K9.32 mi3.11 mi24467+3189941+1699941+16923849(Top 84%)9572(Top 78%)9572(Top 175%)
20K12.43 mi3.11 mi24153+3149776+1659776+16523221(Top 82%)9255(Top 76%)9255(Top 169%)
Half13.11 mi0.68 mi24174-219791-159791-1524496(Top 86%)9990(Top 82%)9990(Top 183%)
25K15.53 mi2.42 mi24032+1429724+679724+6723452(Top 83%)9455(Top 77%)9455(Top 173%)
30K18.64 mi3.11 mi23693+3399570+1549570+15422277(Top 78%)8927(Top 73%)8927(Top 163%)
20M20.00 mi1.36 mi23522+1719490+809490+8021492(Top 76%)8626(Top 71%)8626(Top 158%)
21M21.00 mi1.00 mi23343+1799414+769414+7620584(Top 72%)8240(Top 67%)8240(Top 151%)
35K21.75 mi0.75 mi23294+499402+129402+1221811(Top 77%)8945(Top 73%)8945(Top 164%)
23M23.00 mi1.25 mi23187+1079369+339369+3321256(Top 75%)8686(Top 71%)8686(Top 159%)
24M24.00 mi1.00 mi23125+629360+99360+922102(Top 78%)9190(Top 75%)9190(Top 168%)
40K24.85 mi0.85 mi23079+469349+119349+1121906(Top 77%)9151(Top 75%)9151(Top 167%)
25.2M25.20 mi0.35 mi23071+89348+19348+122471(Top 79%)9394(Top 77%)9394(Top 172%)
Finish26.22 mi1.02 mi23039+329339+99339+922160(Top 78%)9247(Top 76%)9247(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23849

Females

9572

F18-39

9572

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24597

Females

10016

F18-39

10016

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23849

Females

9572

F18-39

9572

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23221

Females

9255

F18-39

9255

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24496

Females

9990

F18-39

9990

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23452

Females

9455

F18-39

9455

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22277

Females

8927

F18-39

8927

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21492

Females

8626

F18-39

8626

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20584

Females

8240

F18-39

8240

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21811

Females

8945

F18-39

8945

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21256

Females

8686

F18-39

8686

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22102

Females

9190

F18-39

9190

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21906

Females

9151

F18-39

9151

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22471

Females

9394

F18-39

9394

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22160

Females

9247

F18-39

9247

Passing Analysis

Category:
Athletes Passed
2324
Passed By
398
Net Change
+1926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24965
5K → 10K295115+180#24965#24785
10K → 15K34224+318#24785#24467
15K → 20K33218+314#24467#24153
20K → Half1738-21#24153#24174
Half → 25K18947+142#24174#24032
25K → 30K36122+339#24032#23693
30K → 20M1809+171#23693#23522
20M → 21M1878+179#23522#23343
21M → 35K6617+49#23343#23294
35K → 23M13023+107#23294#23187
23M → 24M8018+62#23187#23125
24M → 40K7428+46#23125#23079
40K → 25.2M1810+8#23079#23071
25.2M → Finish5321+32#23071#23039
TOTALS2324398+1926
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing