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BOSTON MARATHON 2025

Camilla Mattsson

Bib: 30328•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:56/mi
27:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
55:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:23:32
↑ 67↓ 78
20K· 12.43 mi
9:58/mi
1:54:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:00:56
↑ 19↓ 370.5%
25K· 15.53 mi
12:02/mi
2:30:07
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
3:04:23
↑ 181↓ 1480.2%
20M
10:11/mi
3:18:13
↑ 64↓ 500.2%
21M
11:45/mi
3:29:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:36:55
↑ 17↓ 861.7%
23M
11:12/mi
3:50:57
↑ 23↓ 630.6%
24M
9:59/mi
4:00:56
↓ 821.3%
40K· 24.85 mi
10:58/mi
4:10:19
↓ 200.3%
25.2M
11:59/mi
4:14:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:25:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:56
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:24:15
Pace11:00 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4927:448:5627:44
8:56
-
10K
6.21 mi12:15:4555:408:5827:56
8:59
+0:03
15K
9.32 mi12:43:371:23:328:5827:52
8:58
-0:01
20K
12.43 mi13:14:361:54:319:1330:59
9:58
+1:00
Half
13.11 mi13:21:012:00:569:136:25
9:24
-0:34
25K
15.53 mi13:50:122:30:079:4029:11
12:02
+2:38
30K
18.64 mi14:24:283:04:239:5334:16
11:02
-1:00
20M
20.00 mi14:38:183:18:139:5513:50
10:11
-0:51
21M
21.00 mi14:50:033:29:5810:0011:45
11:45
+1:34
35K
21.75 mi14:57:003:36:559:586:57
9:17
-2:28
23M
23.00 mi15:11:023:50:5710:0214:02
11:12
+1:55
24M
24.00 mi15:21:014:00:5610:029:59
9:59
-1:13
40K
24.85 mi15:30:244:10:1910:049:23
10:58
+0:59
25.2M
25.20 mi15:34:324:14:2710:064:08
11:59
+1:01
Finish
26.22 mi15:45:164:25:1110:0710:44
10:32
-1:27

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

8:56 /mi

Average Pace

10:07 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:54

37% of race

Time at Steady Pace

1:05:32

25% of race

Time at Slower Pace

1:42:45

39% of race

Average Pace: 10:07 /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 mi11:47:4927:448:5627:44
8:56
#22125
10K
6.21 mi12:15:4555:408:5827:56
8:59
#22257
15K
9.32 mi12:43:371:23:328:5827:52
8:58
#22136
20K
12.43 mi13:14:361:54:319:1330:59
9:58
#22849
Half
13.11 mi13:21:012:00:569:136:25
9:24
#22877
25K
15.53 mi13:50:122:30:079:4029:11
12:02
#23887
30K
18.64 mi14:24:283:04:239:5334:16
11:02
#23933
20M
20.00 mi14:38:183:18:139:5513:50
10:11
#23763
21M
21.00 mi14:50:033:29:5810:0011:45
11:45
#23727
35K
21.75 mi14:57:003:36:559:586:57
9:17
#23584
23M
23.00 mi15:11:023:50:5710:0214:02
11:12
#23588
24M
24.00 mi15:21:014:00:5610:029:59
9:59
#23477
40K
24.85 mi15:30:244:10:1910:049:23
10:58
#23479
25.2M
25.20 mi15:34:324:14:2710:064:08
11:59
#23471
Finish
26.22 mi15:45:164:25:1110:0710:44
10:32
#23509
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi221258699869921911(Top 77%)8495(Top 69%)8495(Top 469%)
10K6.21 mi3.10 mi22257-1328758-598758-5922372(Top 79%)8802(Top 72%)8802(Top 485%)
15K9.32 mi3.11 mi22136+1218671+878671+8721911(Top 77%)8495(Top 69%)8495(Top 469%)
20K12.43 mi3.11 mi22849-7139038-3679038-36724173(Top 85%)9816(Top 80%)9816(Top 541%)
Half13.11 mi0.68 mi22877-289056-189056-1823307(Top 82%)9324(Top 76%)9324(Top 514%)
25K15.53 mi2.42 mi23887-10109637-5819637-58126469(Top 93%)11120(Top 91%)11120(Top 613%)
30K18.64 mi3.11 mi23933-469693-569693-5624052(Top 85%)9888(Top 81%)9888(Top 545%)
20M20.00 mi1.36 mi23763+1709626+679626+6721531(Top 76%)8649(Top 71%)8649(Top 477%)
21M21.00 mi1.00 mi23727+369623+39623+323134(Top 81%)9561(Top 78%)9561(Top 527%)
35K21.75 mi0.75 mi23584+1439559+649559+6419576(Top 69%)7768(Top 64%)7768(Top 428%)
23M23.00 mi1.25 mi23588-49574-159574-1523703(Top 83%)9953(Top 81%)9953(Top 549%)
24M24.00 mi1.00 mi23477+1119526+489526+4821350(Top 75%)8784(Top 72%)8784(Top 485%)
40K24.85 mi0.85 mi23479-29547-219547-2123105(Top 81%)9759(Top 80%)9759(Top 538%)
25.2M25.20 mi0.35 mi23471+89555-89555-823228(Top 82%)9779(Top 80%)9779(Top 539%)
Finish26.22 mi1.02 mi23509-389591-369591-3624361(Top 86%)10338(Top 85%)10338(Top 570%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21911

Females

8495

F45-49

8495

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22372

Females

8802

F45-49

8802

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21911

Females

8495

F45-49

8495

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24173

Females

9816

F45-49

9816

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23307

Females

9324

F45-49

9324

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26469

Females

11120

F45-49

11120

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24052

Females

9888

F45-49

9888

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21531

Females

8649

F45-49

8649

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23134

Females

9561

F45-49

9561

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19576

Females

7768

F45-49

7768

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23703

Females

9953

F45-49

9953

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21350

Females

8784

F45-49

8784

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23105

Females

9759

F45-49

9759

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23228

Females

9779

F45-49

9779

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24361

Females

10338

F45-49

10338

Passing Analysis

Category:
Athletes Passed
1377
Passed By
2761
Net Change
-1384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22125
5K → 10K198330-132#22125#22257
10K → 15K248127+121#22257#22136
15K → 20K49762-713#22136#22849
20K → Half1644-28#22849#22877
Half → 25K91019-1010#22877#23887
25K → 30K142188-46#23887#23933
30K → 20M18111+170#23933#23763
20M → 21M9155+36#23763#23727
21M → 35K1430+143#23727#23584
35K → 23M7074-4#23584#23588
23M → 24M1176+111#23588#23477
24M → 40K4648-2#23477#23479
40K → 25.2M3426+8#23479#23471
25.2M → Finish3371-38#23471#23509
TOTALS13772761-1384
📊

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