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BOSTON MARATHON 2025

Aline Souza

Bib: 12546 F BR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:56/mi
21:34
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:57/mi
43:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:59/mi
1:04:52
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:06/mi
1:26:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:58/mi
1:31:41
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:19/mi
1:49:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:38/mi
2:13:09
↑ 181↓ 1480.2%
138 ft elev
20M
7:40/mi
2:23:34
↑ 64↓ 500.2%
148 ft elev
21M
8:09/mi
2:31:43
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:20/mi
2:37:12
↑ 17↓ 861.7%
156 ft elev
23M
7:46/mi
2:46:55
↑ 23↓ 630.6%
116 ft elev
24M
7:25/mi
2:54:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:34/mi
3:00:48
↓ 200.3%
20 ft elev
25.2M
8:04/mi
3:03:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:14/mi
3:10:57
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:41
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:39:16
Pace7:34 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3421:346:5621:34
6:56
-
10K
6.21 mi11:12:1043:106:5721:36
6:57
+0:01
15K
9.32 mi11:33:521:04:526:5821:42
6:59
+0:02
20K
12.43 mi11:55:561:26:567:0022:04
7:06
+0:07
Half
13.11 mi12:00:411:31:417:004:45
6:58
-0:08
25K
15.53 mi12:18:251:49:257:0317:44
7:19
+0:21
30K
18.64 mi12:42:092:13:097:0923:44
7:38
+0:19
20M
20.00 mi12:52:342:23:347:1110:25
7:40
+0:02
21M
21.00 mi13:00:432:31:437:138:09
8:09
+0:29
35K
21.75 mi13:06:122:37:127:145:29
7:20
-0:49
23M
23.00 mi13:15:552:46:557:159:43
7:46
+0:26
24M
24.00 mi13:23:202:54:207:167:25
7:25
-0:21
40K
24.85 mi13:29:483:00:487:166:28
7:34
+0:09
25.2M
25.20 mi13:32:353:03:357:172:47
8:04
+0:30
Finish
26.22 mi13:39:573:10:577:177:22
7:14
-0:50

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

7:17 /mi

Slowest Pace

8:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:09

71% of race

Time at Steady Pace

54:48

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:50:3421:346:5621:34
6:56
#7383
10K
6.21 mi11:12:1043:106:5721:36
6:57
#7499
15K
9.32 mi11:33:521:04:526:5821:42
6:59
#7503
20K
12.43 mi11:55:561:26:567:0022:04
7:06
#7471
Half
13.11 mi12:00:411:31:417:004:45
6:58
#7455
25K
15.53 mi12:18:251:49:257:0317:44
7:19
#7547
30K
18.64 mi12:42:092:13:097:0923:44
7:38
#7633
20M
20.00 mi12:52:342:23:347:1110:25
7:40
#7593
21M
21.00 mi13:00:432:31:437:138:09
8:09
#7552
35K
21.75 mi13:06:122:37:127:145:29
7:20
#7521
23M
23.00 mi13:15:552:46:557:159:43
7:46
#7514
24M
24.00 mi13:23:202:54:207:167:25
7:25
#7439
40K
24.85 mi13:29:483:00:487:166:28
7:34
#7387
25.2M
25.20 mi13:32:353:03:357:172:47
8:04
#7351
Finish
26.22 mi13:39:573:10:577:177:22
7:14
#7318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73837857857536(Top 27%)880(Top 7%)880(Top 16%)
10K6.21 mi3.10 mi7499-116829-44829-447633(Top 27%)880(Top 7%)880(Top 16%)
15K9.32 mi3.11 mi7503-4841-12841-127536(Top 27%)880(Top 7%)880(Top 16%)
20K12.43 mi3.11 mi7471+32844-3844-37544(Top 27%)950(Top 8%)950(Top 17%)
Half13.11 mi0.68 mi7455+16840+4840+47377(Top 26%)875(Top 7%)875(Top 16%)
25K15.53 mi2.42 mi7547-92890-50890-508472(Top 30%)1401(Top 11%)1401(Top 26%)
30K18.64 mi3.11 mi7633-86966-76966-768747(Top 31%)1717(Top 14%)1717(Top 31%)
20M20.00 mi1.36 mi7593+40990-24990-248140(Top 29%)1586(Top 13%)1586(Top 29%)
21M21.00 mi1.00 mi7552+411017-271017-278274(Top 29%)1833(Top 15%)1833(Top 34%)
35K21.75 mi0.75 mi7521+311031-141031-147439(Top 26%)1461(Top 12%)1461(Top 27%)
23M23.00 mi1.25 mi7514+71064-331064-338319(Top 29%)1948(Top 16%)1948(Top 36%)
24M24.00 mi1.00 mi7439+751073-91073-97159(Top 25%)1514(Top 12%)1514(Top 28%)
40K24.85 mi0.85 mi7387+521082-91082-97196(Top 25%)1626(Top 13%)1626(Top 30%)
25.2M25.20 mi0.35 mi7351+361083-11083-16376(Top 22%)1379(Top 11%)1379(Top 25%)
Finish26.22 mi1.02 mi7318+331096-131096-137242(Top 25%)1741(Top 14%)1741(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7536

Females

880

F18-39

880

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7633

Females

880

F18-39

880

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7536

Females

880

F18-39

880

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7544

Females

950

F18-39

950

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7377

Females

875

F18-39

875

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8472

Females

1401

F18-39

1401

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8747

Females

1717

F18-39

1717

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8140

Females

1586

F18-39

1586

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8274

Females

1833

F18-39

1833

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7439

Females

1461

F18-39

1461

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8319

Females

1948

F18-39

1948

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

7159

Females

1514

F18-39

1514

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7196

Females

1626

F18-39

1626

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6376

Females

1379

F18-39

1379

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7242

Females

1741

F18-39

1741

Passing Analysis

Category:
Athletes Passed
1420
Passed By
1355
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7383
5K → 10K157273-116#7383#7499
10K → 15K138142-4#7499#7503
15K → 20K145113+32#7503#7471
20K → Half3620+16#7471#7455
Half → 25K81173-92#7455#7547
25K → 30K160246-86#7547#7633
30K → 20M10666+40#7633#7593
20M → 21M11170+41#7593#7552
21M → 35K6837+31#7552#7521
35K → 23M10194+7#7521#7514
23M → 24M10227+75#7514#7439
24M → 40K9745+52#7439#7387
40K → 25.2M4913+36#7387#7351
25.2M → Finish6936+33#7351#7318
TOTALS14201355+65
📊

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