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BOSTON MARATHON 2025

Tereza Mattsson

Bib: 17333•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 24%
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
7:41/mi
23:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:41:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:59:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:24:43
↑ 181↓ 1480.2%
20M
8:01/mi
2:35:36
↑ 64↓ 500.2%
21M
8:33/mi
2:44:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:49:52
↑ 17↓ 861.7%
23M
7:57/mi
2:59:49
↑ 23↓ 630.6%
24M
7:44/mi
3:07:33
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:14:11
↓ 200.3%
25.2M
8:36/mi
3:17:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:24:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:10
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2423:517:4123:51
7:41
-
10K
6.21 mi11:38:2047:477:4123:56
7:42
+0:01
15K
9.32 mi12:02:221:11:497:4224:02
7:44
+0:02
20K
12.43 mi12:26:331:36:007:4324:11
7:47
+0:03
Half
13.11 mi12:31:431:41:107:435:10
7:34
-0:13
25K
15.53 mi12:50:221:59:497:4318:39
7:42
+0:08
30K
18.64 mi13:15:162:24:437:4624:54
8:01
+0:19
20M
20.00 mi13:26:092:35:367:4710:53
8:01
0:00
21M
21.00 mi13:34:422:44:097:498:33
8:33
+0:32
35K
21.75 mi13:40:252:49:527:495:43
7:38
-0:55
23M
23.00 mi13:50:222:59:497:499:57
7:57
+0:19
24M
24.00 mi13:58:063:07:337:497:44
7:44
-0:13
40K
24.85 mi14:04:443:14:117:496:38
7:45
+0:01
25.2M
25.20 mi14:07:423:17:097:492:58
8:36
+0:51
Finish
26.22 mi14:15:243:24:517:497:42
7:33
-1:03

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

7:33 /mi

Average Pace

7:49 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:20

94% of race

Time at Steady Pace

11:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:14:2423:517:4123:51
7:41
#13767
10K
6.21 mi11:38:2047:477:4123:56
7:42
#13839
15K
9.32 mi12:02:221:11:497:4224:02
7:44
#13793
20K
12.43 mi12:26:331:36:007:4324:11
7:47
#13581
Half
13.11 mi12:31:431:41:107:435:10
7:34
#13518
25K
15.53 mi12:50:221:59:497:4318:39
7:42
#13130
30K
18.64 mi13:15:162:24:437:4624:54
8:01
#12768
20M
20.00 mi13:26:092:35:367:4710:53
8:01
#12565
21M
21.00 mi13:34:422:44:097:498:33
8:33
#12436
35K
21.75 mi13:40:252:49:527:495:43
7:38
#12310
23M
23.00 mi13:50:222:59:497:499:57
7:57
#12107
24M
24.00 mi13:58:063:07:337:497:44
7:44
#11962
40K
24.85 mi14:04:443:14:117:496:38
7:45
#11792
25.2M
25.20 mi14:07:423:17:097:492:58
8:36
#11752
Finish
26.22 mi14:15:243:24:517:497:42
7:33
#11637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi137673752375213824(Top 49%)3910(Top 32%)3910(Top 228%)
10K6.21 mi3.10 mi13839-723845-933845-9313929(Top 49%)3916(Top 32%)3916(Top 228%)
15K9.32 mi3.11 mi13793+463845384513824(Top 49%)3910(Top 32%)3910(Top 228%)
20K12.43 mi3.11 mi13581+2123777+683777+6813146(Top 46%)3621(Top 30%)3621(Top 211%)
Half13.11 mi0.68 mi13518+633741+363741+3612406(Top 44%)3173(Top 26%)3173(Top 185%)
25K15.53 mi2.42 mi13130+3883554+1873554+18711502(Top 40%)2851(Top 23%)2851(Top 166%)
30K18.64 mi3.11 mi12768+3623401+1533401+15311499(Top 40%)3035(Top 25%)3035(Top 177%)
20M20.00 mi1.36 mi12565+2033343+583343+5810534(Top 37%)2708(Top 22%)2708(Top 158%)
21M21.00 mi1.00 mi12436+1293306+373306+3710823(Top 38%)3010(Top 25%)3010(Top 175%)
35K21.75 mi0.75 mi12310+1263267+393267+399694(Top 34%)2469(Top 20%)2469(Top 144%)
23M23.00 mi1.25 mi12107+2033187+803187+809668(Top 34%)2587(Top 21%)2587(Top 151%)
24M24.00 mi1.00 mi11962+1453150+373150+379385(Top 33%)2518(Top 21%)2518(Top 147%)
40K24.85 mi0.85 mi11792+1703099+513099+518537(Top 30%)2252(Top 18%)2252(Top 131%)
25.2M25.20 mi0.35 mi11752+403089+103089+109515(Top 33%)2792(Top 23%)2792(Top 163%)
Finish26.22 mi1.02 mi11637+1153074+153074+159637(Top 34%)2831(Top 23%)2831(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13824

Females

3910

F40-44

3910

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13929

Females

3916

F40-44

3916

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13824

Females

3910

F40-44

3910

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13146

Females

3621

F40-44

3621

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12406

Females

3173

F40-44

3173

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11502

Females

2851

F40-44

2851

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11499

Females

3035

F40-44

3035

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10534

Females

2708

F40-44

2708

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10823

Females

3010

F40-44

3010

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9694

Females

2469

F40-44

2469

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9668

Females

2587

F40-44

2587

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9385

Females

2518

F40-44

2518

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8537

Females

2252

F40-44

2252

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9515

Females

2792

F40-44

2792

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9637

Females

2831

F40-44

2831

Passing Analysis

Category:
Athletes Passed
2970
Passed By
840
Net Change
+2130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13767
5K → 10K246318-72#13767#13839
10K → 15K220174+46#13839#13793
15K → 20K31098+212#13793#13581
20K → Half696+63#13581#13518
Half → 25K39911+388#13518#13130
25K → 30K42664+362#13130#12768
30K → 20M22724+203#12768#12565
20M → 21M17344+129#12565#12436
21M → 35K1348+126#12436#12310
35K → 23M21613+203#12310#12107
23M → 24M16217+145#12107#11962
24M → 40K18111+170#11962#11792
40K → 25.2M5717+40#11792#11752
25.2M → Finish15035+115#11752#11637
TOTALS2970840+2130
📊

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