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BOSTON MARATHON 2025

Laura Barreca

Bib: 9904•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #6529
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:28
Rank: #6627 (-98)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:52
Rank: #6677 (-50)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:25:15
Rank: #6505 (+172)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:29:57
Rank: #6517 (-12)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:47:02
Rank: #6502 (+15)
Half → 25K
17:05 | 7:03/mi
30K· 18.64 mi
2:09:45
Rank: #6405 (+97)
25K → 30K
22:43 | 7:19/mi
20M
2:20:02
Rank: #6399 (+6)
30K → 20M
10:17 | 7:34/mi
21M
2:28:10
Rank: #6413 (-14)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:34:06
Rank: #6540 (-127)
21M → 35K
5:56 | 7:56/mi
23M
2:44:02
Rank: #6608 (-68)
35K → 23M
9:56 | 7:56/mi
24M
2:52:09
Rank: #6801 (-193)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
2:59:06
Rank: #6923 (-122)
24M → 40K
6:57 | 8:08/mi
25.2M
3:02:09
Rank: #6962 (-39)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:09:35
Rank: #6937 (+25)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0721:126:4921:12
6:49
-
10K
6.21 mi11:08:2342:286:5021:16
6:51
+0:02
15K
9.32 mi11:29:471:03:526:5121:24
6:53
+0:02
20K
12.43 mi11:51:101:25:156:5221:24
6:53
0:00
Half
13.11 mi11:55:521:29:576:524:42
6:53
0:00
25K
15.53 mi12:12:571:47:026:5317:05
7:03
+0:10
30K
18.64 mi12:35:402:09:456:5822:43
7:19
+0:16
20M
20.00 mi12:45:572:20:027:0010:17
7:34
+0:15
21M
21.00 mi12:54:052:28:107:038:08
8:08
+0:34
35K
21.75 mi13:00:012:34:067:055:56
7:56
-0:12
23M
23.00 mi13:09:572:44:027:089:56
7:56
0:00
24M
24.00 mi13:18:042:52:097:108:07
8:07
+0:11
40K
24.85 mi13:25:012:59:067:126:57
8:08
+0:01
25.2M
25.20 mi13:28:043:02:097:143:03
8:51
+0:43
Finish
26.22 mi13:35:303:09:357:147:26
7:18
-1:33

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

6:49 /mi

Average Pace

7:14 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:57

47% of race

Time at Steady Pace

57:31

30% of race

Time at Slower Pace

42:07

22% of race

Average Pace: 7:14 /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 mi10:47:0721:126:4921:12
6:49
#6529
10K
6.21 mi11:08:2342:286:5021:16
6:51
#6627
15K
9.32 mi11:29:471:03:526:5121:24
6:53
#6677
20K
12.43 mi11:51:101:25:156:5221:24
6:53
#6505
Half
13.11 mi11:55:521:29:576:524:42
6:53
#6517
25K
15.53 mi12:12:571:47:026:5317:05
7:03
#6502
30K
18.64 mi12:35:402:09:456:5822:43
7:19
#6405
20M
20.00 mi12:45:572:20:027:0010:17
7:34
#6399
21M
21.00 mi12:54:052:28:107:038:08
8:08
#6413
35K
21.75 mi13:00:012:34:067:055:56
7:56
#6540
23M
23.00 mi13:09:572:44:027:089:56
7:56
#6608
24M
24.00 mi13:18:042:52:097:108:07
8:07
#6801
40K
24.85 mi13:25:012:59:067:126:57
8:08
#6923
25.2M
25.20 mi13:28:043:02:097:143:03
8:51
#6962
Finish
26.22 mi13:35:303:09:357:147:26
7:18
#6937
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65295785786839(Top 24%)694(Top 6%)694(Top 13%)
10K6.21 mi3.10 mi6627-98608-30608-306845(Top 24%)671(Top 5%)671(Top 12%)
15K9.32 mi3.11 mi6677-50637-29637-296839(Top 24%)694(Top 6%)694(Top 13%)
20K12.43 mi3.11 mi6505+172608+29608+296080(Top 21%)572(Top 5%)572(Top 10%)
Half13.11 mi0.68 mi6517-12617-9617-96896(Top 24%)754(Top 6%)754(Top 14%)
25K15.53 mi2.42 mi6502+15620-3620-36635(Top 23%)763(Top 6%)763(Top 14%)
30K18.64 mi3.11 mi6405+97634-14634-146523(Top 23%)841(Top 7%)841(Top 15%)
20M20.00 mi1.36 mi6399+6645-11645-117465(Top 26%)1322(Top 11%)1322(Top 24%)
21M21.00 mi1.00 mi6413-14671-26671-268176(Top 29%)1791(Top 15%)1791(Top 33%)
35K21.75 mi0.75 mi6540-127726-55726-5511853(Top 42%)3592(Top 29%)3592(Top 66%)
23M23.00 mi1.25 mi6608-68775-49775-499480(Top 33%)2500(Top 20%)2500(Top 46%)
24M24.00 mi1.00 mi6801-193855-80855-8012025(Top 42%)3804(Top 31%)3804(Top 70%)
40K24.85 mi0.85 mi6923-122917-62917-6211091(Top 39%)3436(Top 28%)3436(Top 63%)
25.2M25.20 mi0.35 mi6962-39942-25942-2510926(Top 38%)3420(Top 28%)3420(Top 63%)
Finish26.22 mi1.02 mi6937+25966-24966-247757(Top 27%)1955(Top 16%)1955(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6839

Females

694

F18-39

694

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6845

Females

671

F18-39

671

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6839

Females

694

F18-39

694

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6080

Females

572

F18-39

572

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6896

Females

754

F18-39

754

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6635

Females

763

F18-39

763

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6523

Females

841

F18-39

841

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7465

Females

1322

F18-39

1322

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8176

Females

1791

F18-39

1791

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11853

Females

3592

F18-39

3592

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9480

Females

2500

F18-39

2500

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

12025

Females

3804

F18-39

3804

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11091

Females

3436

F18-39

3436

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10926

Females

3420

F18-39

3420

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7757

Females

1955

F18-39

1955

Passing Analysis

Category:
Athletes Passed
1290
Passed By
1698
Net Change
-408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6529
5K → 10K156254-98#6529#6627
10K → 15K132182-50#6627#6677
15K → 20K22553+172#6677#6505
20K → Half2335-12#6505#6517
Half → 25K137122+15#6517#6502
25K → 30K224127+97#6502#6405
30K → 20M9286+6#6405#6399
20M → 21M6175-14#6399#6413
21M → 35K21148-127#6413#6540
35K → 23M68136-68#6540#6608
23M → 24M30223-193#6608#6801
24M → 40K31153-122#6801#6923
40K → 25.2M1352-39#6923#6962
25.2M → Finish7752+25#6962#6937
TOTALS12901698-408
📊

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