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BOSTON MARATHON 2025

Susan Swint

Bib: 15235•F

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Masters (Masters Women)
#0 / 6759
Top 13%
Division (F45-49)
#0 / 1813
Top 14%
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
47:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:11:08
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:35:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:59:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:24:47
↑ 181↓ 1480.2%
20M
8:14/mi
2:35:58
↑ 64↓ 500.2%
21M
8:44/mi
2:44:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:50:28
↑ 17↓ 861.7%
23M
8:06/mi
3:00:37
↑ 23↓ 630.6%
24M
7:59/mi
3:08:36
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:15:33
↓ 200.3%
25.2M
8:54/mi
3:18:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:26:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:46:02
Pace8:05 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0423:447:3823:44
7:38
-
10K
6.21 mi11:19:4347:237:3823:39
7:37
-0:01
15K
9.32 mi11:43:281:11:087:3823:45
7:39
+0:02
20K
12.43 mi12:07:481:35:287:4124:20
7:50
+0:11
Half
13.11 mi12:12:591:40:397:415:11
7:36
-0:14
25K
15.53 mi12:31:501:59:307:4218:51
7:46
+0:10
30K
18.64 mi12:57:072:24:477:4625:17
8:08
+0:22
20M
20.00 mi13:08:182:35:587:4811:11
8:14
+0:06
21M
21.00 mi13:17:022:44:427:518:44
8:44
+0:30
35K
21.75 mi13:22:482:50:287:505:46
7:42
-1:02
23M
23.00 mi13:32:573:00:377:5110:09
8:06
+0:24
24M
24.00 mi13:40:563:08:367:527:59
7:59
-0:07
40K
24.85 mi13:47:533:15:337:526:57
8:08
+0:09
25.2M
25.20 mi13:50:573:18:377:533:04
8:54
+0:46
Finish
26.22 mi13:59:013:26:417:538:04
7:55
-0:59

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

7:36 /mi

Average Pace

7:53 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:53

94% of race

Time at Steady Pace

11:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:56:0423:447:3823:44
7:38
#13436
10K
6.21 mi11:19:4347:237:3823:39
7:37
#13277
15K
9.32 mi11:43:281:11:087:3823:45
7:39
#13152
20K
12.43 mi12:07:481:35:287:4124:20
7:50
#13210
Half
13.11 mi12:12:591:40:397:415:11
7:36
#13176
25K
15.53 mi12:31:501:59:307:4218:51
7:46
#12969
30K
18.64 mi12:57:072:24:477:4625:17
8:08
#12800
20M
20.00 mi13:08:182:35:587:4811:11
8:14
#12711
21M
21.00 mi13:17:022:44:427:518:44
8:44
#12643
35K
21.75 mi13:22:482:50:287:505:46
7:42
#12526
23M
23.00 mi13:32:573:00:377:5110:09
8:06
#12372
24M
24.00 mi13:40:563:08:367:527:59
7:59
#12316
40K
24.85 mi13:47:533:15:337:526:57
8:08
#12245
25.2M
25.20 mi13:50:573:18:377:533:04
8:54
#12215
Finish
26.22 mi13:59:013:26:417:538:04
7:55
#12184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi134363567356713000(Top 46%)3442(Top 28%)3442(Top 190%)
10K6.21 mi3.10 mi13277+1593513+543513+5413147(Top 46%)3459(Top 28%)3459(Top 191%)
15K9.32 mi3.11 mi13152+1253483+303483+3013000(Top 46%)3442(Top 28%)3442(Top 190%)
20K12.43 mi3.11 mi13210-583559-763559-7613533(Top 48%)3833(Top 31%)3833(Top 211%)
Half13.11 mi0.68 mi13176+343545+143545+1412604(Top 44%)3288(Top 27%)3288(Top 181%)
25K15.53 mi2.42 mi12969+2073456+893456+8912155(Top 43%)3197(Top 26%)3197(Top 176%)
30K18.64 mi3.11 mi12800+1693421+353421+3512363(Top 44%)3483(Top 28%)3483(Top 192%)
20M20.00 mi1.36 mi12711+893421342112019(Top 42%)3452(Top 28%)3452(Top 190%)
21M21.00 mi1.00 mi12643+683414+73414+711906(Top 42%)3543(Top 29%)3543(Top 195%)
35K21.75 mi0.75 mi12526+1173376+383376+3810198(Top 36%)2716(Top 22%)2716(Top 150%)
23M23.00 mi1.25 mi12372+1543333+433333+4310813(Top 38%)3136(Top 26%)3136(Top 173%)
24M24.00 mi1.00 mi12316+563333333311151(Top 39%)3383(Top 28%)3383(Top 187%)
40K24.85 mi0.85 mi12245+713329+43329+411117(Top 39%)3462(Top 28%)3462(Top 191%)
25.2M25.20 mi0.35 mi12215+303329332911252(Top 40%)3626(Top 30%)3626(Top 200%)
Finish26.22 mi1.02 mi12184+313344-153344-1512313(Top 43%)4083(Top 33%)4083(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13000

Females

3442

F45-49

3442

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13147

Females

3459

F45-49

3459

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13000

Females

3442

F45-49

3442

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13533

Females

3833

F45-49

3833

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12604

Females

3288

F45-49

3288

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12155

Females

3197

F45-49

3197

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12363

Females

3483

F45-49

3483

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12019

Females

3452

F45-49

3452

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11906

Females

3543

F45-49

3543

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10198

Females

2716

F45-49

2716

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10813

Females

3136

F45-49

3136

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11151

Females

3383

F45-49

3383

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11117

Females

3462

F45-49

3462

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11252

Females

3626

F45-49

3626

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12313

Females

4083

F45-49

4083

Passing Analysis

Category:
Athletes Passed
2392
Passed By
1140
Net Change
+1252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13436
5K → 10K368209+159#13436#13277
10K → 15K261136+125#13277#13152
15K → 20K181239-58#13152#13210
20K → Half5319+34#13210#13176
Half → 25K26558+207#13176#12969
25K → 30K310141+169#12969#12800
30K → 20M16273+89#12800#12711
20M → 21M13870+68#12711#12643
21M → 35K12912+117#12643#12526
35K → 23M18531+154#12526#12372
23M → 24M10347+56#12372#12316
24M → 40K10433+71#12316#12245
40K → 25.2M5222+30#12245#12215
25.2M → Finish8150+31#12215#12184
TOTALS23921140+1252
📊

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