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BOSTON MARATHON 2025

Anna Alibrandi

Bib: 26987•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
10:14/mi
31:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:10/mi
1:03:23
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:34:09
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
2:04:03
↑ 106↓ 860.1%
Half· 13.11 mi
9:23/mi
2:10:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:47/mi
2:34:10
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
3:05:38
↑ 181↓ 1480.2%
20M
10:21/mi
3:19:42
↑ 64↓ 500.2%
21M
10:19/mi
3:30:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:37:03
↑ 17↓ 861.7%
23M
9:59/mi
3:49:33
↑ 23↓ 630.6%
24M
9:47/mi
3:59:20
↓ 821.3%
40K· 24.85 mi
10:01/mi
4:07:54
↓ 200.3%
25.2M
10:06/mi
4:11:23
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:20:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:10:27
Pace9:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:09:55
Pace9:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4131:4810:1431:48
10:14
-
10K
6.21 mi12:19:161:03:2310:1231:35
10:10
-0:04
15K
9.32 mi12:50:021:34:0910:0630:46
9:54
-0:16
20K
12.43 mi13:19:562:04:039:5929:54
9:37
-0:17
Half
13.11 mi13:26:202:10:279:576:24
9:23
-0:14
25K
15.53 mi13:50:032:34:109:5523:43
9:47
+0:24
30K
18.64 mi14:21:313:05:389:5731:28
10:08
+0:21
20M
20.00 mi14:35:353:19:429:5914:04
10:21
+0:13
21M
21.00 mi14:45:543:30:0110:0010:19
10:19
-0:02
35K
21.75 mi14:52:563:37:039:597:02
9:24
-0:55
23M
23.00 mi15:05:263:49:339:5912:30
9:59
+0:35
24M
24.00 mi15:15:133:59:209:589:47
9:47
-0:12
40K
24.85 mi15:23:474:07:549:588:34
10:01
+0:14
25.2M
25.20 mi15:27:164:11:239:593:29
10:06
+0:05
Finish
26.22 mi15:36:154:20:229:568:59
8:49
-1:17

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

8:49 /mi

Average Pace

9:56 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:19

20% of race

Time at Steady Pace

3:28:03

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:56 /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 mi11:47:4131:4810:1431:48
10:14
#26160
10K
6.21 mi12:19:161:03:2310:1231:35
10:10
#25911
15K
9.32 mi12:50:021:34:0910:0630:46
9:54
#25539
20K
12.43 mi13:19:562:04:039:5929:54
9:37
#24976
Half
13.11 mi13:26:202:10:279:576:24
9:23
#24869
25K
15.53 mi13:50:032:34:109:5523:43
9:47
#24557
30K
18.64 mi14:21:313:05:389:5731:28
10:08
#24133
20M
20.00 mi14:35:353:19:429:5914:04
10:21
#23973
21M
21.00 mi14:45:543:30:0110:0010:19
10:19
#23731
35K
21.75 mi14:52:563:37:039:597:02
9:24
#23602
23M
23.00 mi15:05:263:49:339:5912:30
9:59
#23420
24M
24.00 mi15:15:133:59:209:589:47
9:47
#23300
40K
24.85 mi15:23:474:07:549:588:34
10:01
#23184
25.2M
25.20 mi15:27:164:11:239:593:29
10:06
#23120
Finish
26.22 mi15:36:154:20:229:568:59
8:49
#22997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26160108491084924790(Top 87%)10100(Top 83%)10100(Top 185%)
10K6.21 mi3.10 mi25911+24910721+12810721+12825670(Top 90%)10615(Top 87%)10615(Top 194%)
15K9.32 mi3.11 mi25539+37210517+20410517+20424790(Top 87%)10100(Top 83%)10100(Top 185%)
20K12.43 mi3.11 mi24976+56310218+29910218+29923283(Top 82%)9293(Top 76%)9293(Top 170%)
Half13.11 mi0.68 mi24869+10710166+5210166+5223233(Top 82%)9278(Top 76%)9278(Top 170%)
25K15.53 mi2.42 mi24557+31210009+15710009+15722726(Top 80%)9047(Top 74%)9047(Top 165%)
30K18.64 mi3.11 mi24133+4249799+2109799+21021992(Top 77%)8767(Top 72%)8767(Top 160%)
20M20.00 mi1.36 mi23973+1609735+649735+6422029(Top 78%)8909(Top 73%)8909(Top 163%)
21M21.00 mi1.00 mi23731+2429625+1109625+11019460(Top 69%)7601(Top 62%)7601(Top 139%)
35K21.75 mi0.75 mi23602+1299564+619564+6120001(Top 70%)7992(Top 65%)7992(Top 146%)
23M23.00 mi1.25 mi23420+1829486+789486+7820460(Top 72%)8281(Top 68%)8281(Top 151%)
24M24.00 mi1.00 mi23300+1209445+419445+4120696(Top 73%)8449(Top 69%)8449(Top 154%)
40K24.85 mi0.85 mi23184+1169407+389407+3820534(Top 72%)8430(Top 69%)8430(Top 154%)
25.2M25.20 mi0.35 mi23120+649376+319376+3117573(Top 62%)6927(Top 57%)6927(Top 127%)
Finish26.22 mi1.02 mi22997+1239317+599317+5918171(Top 64%)7180(Top 59%)7180(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24790

Females

10100

F18-39

10100

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25670

Females

10615

F18-39

10615

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24790

Females

10100

F18-39

10100

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23283

Females

9293

F18-39

9293

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23233

Females

9278

F18-39

9278

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22726

Females

9047

F18-39

9047

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21992

Females

8767

F18-39

8767

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22029

Females

8909

F18-39

8909

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19460

Females

7601

F18-39

7601

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

20001

Females

7992

F18-39

7992

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20460

Females

8281

F18-39

8281

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20696

Females

8449

F18-39

8449

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20534

Females

8430

F18-39

8430

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17573

Females

6927

F18-39

6927

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18171

Females

7180

F18-39

7180

Passing Analysis

Category:
Athletes Passed
3291
Passed By
128
Net Change
+3163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26160
5K → 10K31566+249#26160#25911
10K → 15K38311+372#25911#25539
15K → 20K5641+563#25539#24976
20K → Half1114+107#24976#24869
Half → 25K3142+312#24869#24557
25K → 30K4317+424#24557#24133
30K → 20M17414+160#24133#23973
20M → 21M2442+242#23973#23731
21M → 35K1290+129#23731#23602
35K → 23M1908+182#23602#23420
23M → 24M13010+120#23420#23300
24M → 40K1182+116#23300#23184
40K → 25.2M640+64#23184#23120
25.2M → Finish1241+123#23120#22997
TOTALS3291128+3163
📊

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