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BOSTON MARATHON 2025

Michelle Alessandro

Bib: 25909•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
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
26:53
Rank: #20761
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
52:12
Rank: #19240 (+1521)
5K → 10K
25:19 | 8:09/mi
15K· 9.32 mi
1:16:42
Rank: #17953 (+1287)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:40:59
Rank: #16865 (+1088)
15K → 20K
24:17 | 7:49/mi
Half· 13.11 mi
1:46:08
Rank: #16643 (+222)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:05:01
Rank: #15942 (+701)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:30:01
Rank: #15122 (+820)
25K → 30K
25:00 | 8:03/mi
20M
2:41:17
Rank: #14857 (+265)
30K → 20M
11:16 | 8:17/mi
21M
2:50:02
Rank: #14655 (+202)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:56:05
Rank: #14544 (+111)
21M → 35K
6:03 | 8:05/mi
23M
3:06:47
Rank: #14474 (+70)
35K → 23M
10:42 | 8:33/mi
24M
3:15:05
Rank: #14401 (+73)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:22:32
Rank: #14371 (+30)
24M → 40K
7:27 | 8:43/mi
25.2M
3:25:47
Rank: #14373 (-2)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:34:06
Rank: #14319 (+54)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:58
Pace8:14 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3226:538:3926:53
8:39
-
10K
6.21 mi12:08:5152:128:2425:19
8:09
-0:30
15K
9.32 mi12:33:211:16:428:1424:30
7:53
-0:16
20K
12.43 mi12:57:381:40:598:0824:17
7:49
-0:04
Half
13.11 mi13:02:471:46:088:065:09
7:33
-0:16
25K
15.53 mi13:21:402:05:018:0318:53
7:47
+0:14
30K
18.64 mi13:46:402:30:018:0325:00
8:03
+0:16
20M
20.00 mi13:57:562:41:178:0411:16
8:17
+0:14
21M
21.00 mi14:06:412:50:028:068:45
8:45
+0:28
35K
21.75 mi14:12:442:56:058:066:03
8:05
-0:40
23M
23.00 mi14:23:263:06:478:0710:42
8:33
+0:28
24M
24.00 mi14:31:443:15:058:088:18
8:18
-0:15
40K
24.85 mi14:39:113:22:328:097:27
8:43
+0:25
25.2M
25.20 mi14:42:263:25:478:103:15
9:25
+0:42
Finish
26.22 mi14:50:453:34:068:108:19
8:10
-1:15

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

7:33 /mi

Average Pace

8:10 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:49

34% of race

Time at Steady Pace

1:24:15

39% of race

Time at Slower Pace

57:02

27% of race

Average Pace: 8:10 /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 mi11:43:3226:538:3926:53
8:39
#20761
10K
6.21 mi12:08:5152:128:2425:19
8:09
#19240
15K
9.32 mi12:33:211:16:428:1424:30
7:53
#17953
20K
12.43 mi12:57:381:40:598:0824:17
7:49
#16865
Half
13.11 mi13:02:471:46:088:065:09
7:33
#16643
25K
15.53 mi13:21:402:05:018:0318:53
7:47
#15942
30K
18.64 mi13:46:402:30:018:0325:00
8:03
#15122
20M
20.00 mi13:57:562:41:178:0411:16
8:17
#14857
21M
21.00 mi14:06:412:50:028:068:45
8:45
#14655
35K
21.75 mi14:12:442:56:058:066:03
8:05
#14544
23M
23.00 mi14:23:263:06:478:0710:42
8:33
#14474
24M
24.00 mi14:31:443:15:058:088:18
8:18
#14401
40K
24.85 mi14:39:113:22:328:097:27
8:43
#14371
25.2M
25.20 mi14:42:263:25:478:103:15
9:25
#14373
Finish
26.22 mi14:50:453:34:068:108:19
8:10
#14319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi207617946794615136(Top 53%)4660(Top 38%)4660(Top 85%)
10K6.21 mi3.10 mi19240+15217031+9157031+91517534(Top 62%)6015(Top 49%)6015(Top 110%)
15K9.32 mi3.11 mi17953+12876297+7346297+73415136(Top 53%)4660(Top 38%)4660(Top 85%)
20K12.43 mi3.11 mi16865+10885656+6415656+64113422(Top 47%)3774(Top 31%)3774(Top 69%)
Half13.11 mi0.68 mi16643+2225530+1265530+12612237(Top 43%)3098(Top 25%)3098(Top 57%)
25K15.53 mi2.42 mi15942+7015131+3995131+39912268(Top 43%)3266(Top 27%)3266(Top 60%)
30K18.64 mi3.11 mi15122+8204734+3974734+39711738(Top 41%)3162(Top 26%)3162(Top 58%)
20M20.00 mi1.36 mi14857+2654615+1194615+11912463(Top 44%)3682(Top 30%)3682(Top 67%)
21M21.00 mi1.00 mi14655+2024532+834532+8312027(Top 42%)3620(Top 30%)3620(Top 66%)
35K21.75 mi0.75 mi14544+1114481+514481+5112886(Top 45%)4105(Top 34%)4105(Top 75%)
23M23.00 mi1.25 mi14474+704474+74474+713608(Top 48%)4592(Top 38%)4592(Top 84%)
24M24.00 mi1.00 mi14401+734453+214453+2113284(Top 47%)4459(Top 36%)4459(Top 82%)
40K24.85 mi0.85 mi14371+304481-284481-2814708(Top 52%)5362(Top 44%)5362(Top 98%)
25.2M25.20 mi0.35 mi14373-24492-114492-1114196(Top 50%)5116(Top 42%)5116(Top 94%)
Finish26.22 mi1.02 mi14319+544490+24490+214035(Top 49%)4966(Top 41%)4966(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15136

Females

4660

F18-39

4660

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17534

Females

6015

F18-39

6015

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15136

Females

4660

F18-39

4660

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13422

Females

3774

F18-39

3774

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12237

Females

3098

F18-39

3098

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12268

Females

3266

F18-39

3266

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11738

Females

3162

F18-39

3162

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12463

Females

3682

F18-39

3682

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12027

Females

3620

F18-39

3620

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12886

Females

4105

F18-39

4105

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13608

Females

4592

F18-39

4592

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13284

Females

4459

F18-39

4459

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14708

Females

5362

F18-39

5362

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14196

Females

5116

F18-39

5116

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14035

Females

4966

F18-39

4966

Passing Analysis

Category:
Athletes Passed
6744
Passed By
302
Net Change
+6442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20761
5K → 10K153110+1521#20761#19240
10K → 15K12914+1287#19240#17953
15K → 20K10880+1088#17953#16865
20K → Half2220+222#16865#16643
Half → 25K7010+701#16643#15942
25K → 30K8222+820#15942#15122
30K → 20M28621+265#15122#14857
20M → 21M22220+202#14857#14655
21M → 35K13221+111#14655#14544
35K → 23M13464+70#14544#14474
23M → 24M9825+73#14474#14401
24M → 40K9262+30#14401#14371
40K → 25.2M2931-2#14371#14373
25.2M → Finish9642+54#14373#14319
TOTALS6744302+6442
📊

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