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BOSTON MARATHON 2025

Alyssa Romasco

Bib: 30187•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:45
Rank: #26849
Start → 5K
32:45 | 10:32/mi
10K· 6.21 mi
1:06:26
Rank: #26835 (+14)
5K → 10K
33:41 | 10:50/mi
15K· 9.32 mi
1:40:21
Rank: #26729 (+106)
10K → 15K
33:55 | 10:55/mi
20K· 12.43 mi
2:14:48
Rank: #26557 (+172)
15K → 20K
34:27 | 11:05/mi
Half· 13.11 mi
2:22:19
Rank: #26551 (+6)
20K → Half
7:31 | 11:01/mi
25K· 15.53 mi
2:49:52
Rank: #26389 (+162)
Half → 25K
27:33 | 11:22/mi
30K· 18.64 mi
3:24:58
Rank: #26065 (+324)
25K → 30K
35:06 | 11:18/mi
20M
3:41:42
Rank: #26040 (+25)
30K → 20M
16:44 | 12:19/mi
21M
3:53:10
Rank: #25887 (+153)
20M → 21M
11:28 | 11:28/mi
35K· 21.75 mi
4:01:13
Rank: #25835 (+52)
21M → 35K
8:03 | 10:46/mi
23M
4:14:47
Rank: #25719 (+116)
35K → 23M
13:34 | 10:50/mi
24M
4:25:25
Rank: #25634 (+85)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
4:34:44
Rank: #25543 (+91)
24M → 40K
9:19 | 10:54/mi
25.2M
4:38:51
Rank: #25509 (+34)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:48:52
Rank: #25414 (+95)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:19
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time2:26:33
Pace11:11 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5332:4510:3232:45
10:32
-
10K
6.21 mi12:29:341:06:2610:4133:41
10:50
+0:18
15K
9.32 mi13:03:291:40:2110:4633:55
10:55
+0:05
20K
12.43 mi13:37:562:14:4810:5134:27
11:05
+0:10
Half
13.11 mi13:45:272:22:1910:517:31
11:01
-0:04
25K
15.53 mi14:13:002:49:5210:5627:33
11:22
+0:21
30K
18.64 mi14:48:063:24:5811:0035:06
11:18
-0:04
20M
20.00 mi15:04:503:41:4211:0516:44
12:19
+1:01
21M
21.00 mi15:16:183:53:1011:0611:28
11:28
-0:51
35K
21.75 mi15:24:214:01:1311:058:03
10:46
-0:42
23M
23.00 mi15:37:554:14:4711:0513:34
10:50
+0:04
24M
24.00 mi15:48:334:25:2511:0410:38
10:38
-0:12
40K
24.85 mi15:57:524:34:4411:039:19
10:54
+0:16
25.2M
25.20 mi16:01:594:38:5111:044:07
11:56
+1:02
Finish
26.22 mi16:12:004:48:5211:0210:01
9:50
-2:06

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

9:50 /mi

Average Pace

11:02 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:46

15% of race

Time at Steady Pace

2:31:08

52% of race

Time at Slower Pace

1:34:58

33% of race

Average Pace: 11:01 /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 mi11:55:5332:4510:3232:45
10:32
#26849
10K
6.21 mi12:29:341:06:2610:4133:41
10:50
#26835
15K
9.32 mi13:03:291:40:2110:4633:55
10:55
#26729
20K
12.43 mi13:37:562:14:4810:5134:27
11:05
#26557
Half
13.11 mi13:45:272:22:1910:517:31
11:01
#26551
25K
15.53 mi14:13:002:49:5210:5627:33
11:22
#26389
30K
18.64 mi14:48:063:24:5811:0035:06
11:18
#26065
20M
20.00 mi15:04:503:41:4211:0516:44
12:19
#26040
21M
21.00 mi15:16:183:53:1011:0611:28
11:28
#25887
35K
21.75 mi15:24:214:01:1311:058:03
10:46
#25835
23M
23.00 mi15:37:554:14:4711:0513:34
10:50
#25719
24M
24.00 mi15:48:334:25:2511:0410:38
10:38
#25634
40K
24.85 mi15:57:524:34:4411:039:19
10:54
#25543
25.2M
25.20 mi16:01:594:38:5111:044:07
11:56
#25509
Finish
26.22 mi16:12:004:48:5211:0210:01
9:50
#25414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26849112361123626562(Top 94%)11104(Top 91%)11104(Top 203%)
10K6.21 mi3.10 mi26835+1411242-611242-626834(Top 94%)11263(Top 92%)11263(Top 206%)
15K9.32 mi3.11 mi26729+10611185+5711185+5726562(Top 94%)11104(Top 91%)11104(Top 203%)
20K12.43 mi3.11 mi26557+17211099+8611099+8626129(Top 92%)10876(Top 89%)10876(Top 199%)
Half13.11 mi0.68 mi26551+611100-111100-126500(Top 93%)11117(Top 91%)11117(Top 203%)
25K15.53 mi2.42 mi26389+16211009+9111009+9125689(Top 90%)10687(Top 87%)10687(Top 195%)
30K18.64 mi3.11 mi26065+32410859+15010859+15024542(Top 86%)10154(Top 83%)10154(Top 186%)
20M20.00 mi1.36 mi26040+2510858+110858+125685(Top 90%)10838(Top 89%)10838(Top 198%)
21M21.00 mi1.00 mi25887+15310789+6910789+6922545(Top 79%)9271(Top 76%)9271(Top 170%)
35K21.75 mi0.75 mi25835+5210770+1910770+1923689(Top 83%)9899(Top 81%)9899(Top 181%)
23M23.00 mi1.25 mi25719+11610723+4710723+4722816(Top 80%)9509(Top 78%)9509(Top 174%)
24M24.00 mi1.00 mi25634+8510691+3210691+3223138(Top 81%)9708(Top 79%)9708(Top 178%)
40K24.85 mi0.85 mi25543+9110653+3810653+3822877(Top 81%)9644(Top 79%)9644(Top 176%)
25.2M25.20 mi0.35 mi25509+3410638+1510638+1523048(Top 81%)9691(Top 79%)9691(Top 177%)
Finish26.22 mi1.02 mi25414+9510584+5410584+5422351(Top 79%)9356(Top 77%)9356(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26562

Females

11104

F18-39

11104

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26834

Females

11263

F18-39

11263

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26562

Females

11104

F18-39

11104

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26129

Females

10876

F18-39

10876

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26500

Females

11117

F18-39

11117

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25689

Females

10687

F18-39

10687

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24542

Females

10154

F18-39

10154

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25685

Females

10838

F18-39

10838

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22545

Females

9271

F18-39

9271

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23689

Females

9899

F18-39

9899

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22816

Females

9509

F18-39

9509

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23138

Females

9708

F18-39

9708

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22877

Females

9644

F18-39

9644

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23048

Females

9691

F18-39

9691

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22351

Females

9356

F18-39

9356

Passing Analysis

Category:
Athletes Passed
1801
Passed By
366
Net Change
+1435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26849
5K → 10K170156+14#26849#26835
10K → 15K17266+106#26835#26729
15K → 20K21442+172#26729#26557
20K → Half2418+6#26557#26551
Half → 25K17412+162#26551#26389
25K → 30K3295+324#26389#26065
30K → 20M6944+25#26065#26040
20M → 21M1530+153#26040#25887
21M → 35K575+52#25887#25835
35K → 23M1215+116#25835#25719
23M → 24M883+85#25719#25634
24M → 40K932+91#25634#25543
40K → 25.2M406+34#25543#25509
25.2M → Finish972+95#25509#25414
TOTALS1801366+1435
📊

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