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BOSTON MARATHON 2025

Bruna Fonseca

Bib: 13015•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:00
Rank: #8487
Start → 5K
22:00 | 7:05/mi
10K· 6.21 mi
44:11
Rank: #8723 (-236)
5K → 10K
22:11 | 7:08/mi
15K· 9.32 mi
1:06:17
Rank: #8583 (+140)
10K → 15K
22:06 | 7:07/mi
20K· 12.43 mi
1:28:30
Rank: #8319 (+264)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:33:21
Rank: #8316 (+3)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:50:36
Rank: #8071 (+245)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:13:28
Rank: #7747 (+324)
25K → 30K
22:52 | 7:22/mi
20M
2:23:26
Rank: #7550 (+197)
30K → 20M
9:58 | 7:20/mi
21M
2:31:10
Rank: #7376 (+174)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:36:29
Rank: #7287 (+89)
21M → 35K
5:19 | 7:06/mi
23M
2:45:38
Rank: #7115 (+172)
35K → 23M
9:09 | 7:18/mi
24M
2:52:52
Rank: #7030 (+85)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:59:07
Rank: #6926 (+104)
24M → 40K
6:15 | 7:19/mi
25.2M
3:01:53
Rank: #6875 (+51)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:08:57
Rank: #6752 (+123)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:21
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:35:36
Pace7:18 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2222:007:0522:00
7:05
-
10K
6.21 mi11:13:3344:117:0722:11
7:08
+0:03
15K
9.32 mi11:35:391:06:177:0722:06
7:07
-0:01
20K
12.43 mi11:57:521:28:307:0722:13
7:09
+0:02
Half
13.11 mi12:02:431:33:217:074:51
7:07
-0:02
25K
15.53 mi12:19:581:50:367:0717:15
7:07
0:00
30K
18.64 mi12:42:502:13:287:1022:52
7:22
+0:15
20M
20.00 mi12:52:482:23:267:109:58
7:20
-0:02
21M
21.00 mi13:00:322:31:107:127:44
7:44
+0:24
35K
21.75 mi13:05:512:36:297:125:19
7:06
-0:38
23M
23.00 mi13:15:002:45:387:129:09
7:18
+0:12
24M
24.00 mi13:22:142:52:527:127:14
7:14
-0:04
40K
24.85 mi13:28:292:59:077:126:15
7:19
+0:05
25.2M
25.20 mi13:31:153:01:537:132:46
8:01
+0:42
Finish
26.22 mi13:38:193:08:577:137:04
6:56
-1:05

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

6:56 /mi

Average Pace

7:13 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:27

94% of race

Time at Steady Pace

10:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:51:2222:007:0522:00
7:05
#8487
10K
6.21 mi11:13:3344:117:0722:11
7:08
#8723
15K
9.32 mi11:35:391:06:177:0722:06
7:07
#8583
20K
12.43 mi11:57:521:28:307:0722:13
7:09
#8319
Half
13.11 mi12:02:431:33:217:074:51
7:07
#8316
25K
15.53 mi12:19:581:50:367:0717:15
7:07
#8071
30K
18.64 mi12:42:502:13:287:1022:52
7:22
#7747
20M
20.00 mi12:52:482:23:267:109:58
7:20
#7550
21M
21.00 mi13:00:322:31:107:127:44
7:44
#7376
35K
21.75 mi13:05:512:36:297:125:19
7:06
#7287
23M
23.00 mi13:15:002:45:387:129:09
7:18
#7115
24M
24.00 mi13:22:142:52:527:127:14
7:14
#7030
40K
24.85 mi13:28:292:59:077:126:15
7:19
#6926
25.2M
25.20 mi13:31:153:01:537:132:46
8:01
#6875
Finish
26.22 mi13:38:193:08:577:137:04
6:56
#6752
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8487115711578432(Top 30%)1208(Top 10%)1208(Top 22%)
10K6.21 mi3.10 mi8723-2361266-1091266-1099006(Top 32%)1376(Top 11%)1376(Top 25%)
15K9.32 mi3.11 mi8583+1401222+441222+448432(Top 30%)1208(Top 10%)1208(Top 22%)
20K12.43 mi3.11 mi8319+2641150+721150+727831(Top 28%)1044(Top 9%)1044(Top 19%)
Half13.11 mi0.68 mi8316+31153-31153-38376(Top 29%)1214(Top 10%)1214(Top 22%)
25K15.53 mi2.42 mi8071+2451078+751078+757078(Top 25%)883(Top 7%)883(Top 16%)
30K18.64 mi3.11 mi7747+3241008+701008+706818(Top 24%)939(Top 8%)939(Top 17%)
20M20.00 mi1.36 mi7550+197981+27981+276018(Top 21%)791(Top 6%)791(Top 14%)
21M21.00 mi1.00 mi7376+174946+35946+355856(Top 21%)874(Top 7%)874(Top 16%)
35K21.75 mi0.75 mi7287+899469466058(Top 21%)937(Top 8%)937(Top 17%)
23M23.00 mi1.25 mi7115+172925+21925+215529(Top 19%)828(Top 7%)828(Top 15%)
24M24.00 mi1.00 mi7030+85929-4929-46045(Top 21%)1080(Top 9%)1080(Top 20%)
40K24.85 mi0.85 mi6926+104918+11918+115727(Top 20%)1024(Top 8%)1024(Top 19%)
25.2M25.20 mi0.35 mi6875+51912+6912+66121(Top 22%)1279(Top 10%)1279(Top 23%)
Finish26.22 mi1.02 mi6752+123906+6906+65339(Top 19%)985(Top 8%)985(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8432

Females

1208

F18-39

1208

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9006

Females

1376

F18-39

1376

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8432

Females

1208

F18-39

1208

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7831

Females

1044

F18-39

1044

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8376

Females

1214

F18-39

1214

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7078

Females

883

F18-39

883

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6818

Females

939

F18-39

939

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6018

Females

791

F18-39

791

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5856

Females

874

F18-39

874

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6058

Females

937

F18-39

937

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5529

Females

828

F18-39

828

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

6045

Females

1080

F18-39

1080

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5727

Females

1024

F18-39

1024

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6121

Females

1279

F18-39

1279

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5339

Females

985

F18-39

985

Passing Analysis

Category:
Athletes Passed
2428
Passed By
693
Net Change
+1735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8487
5K → 10K115351-236#8487#8723
10K → 15K242102+140#8723#8583
15K → 20K30743+264#8583#8319
20K → Half3128+3#8319#8316
Half → 25K27025+245#8316#8071
25K → 30K36541+324#8071#7747
30K → 20M21013+197#7747#7550
20M → 21M1806+174#7550#7376
21M → 35K989+89#7376#7287
35K → 23M18917+172#7287#7115
23M → 24M10823+85#7115#7030
24M → 40K11814+104#7030#6926
40K → 25.2M565+51#6926#6875
25.2M → Finish13916+123#6875#6752
TOTALS2428693+1735
📊

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