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BOSTON MARATHON 2025

Julie Swain

Bib: 29780•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
10:17/mi
31:56
↑ 97↓ 3451.5%
10K· 6.21 mi
11:07/mi
1:06:29
↑ 79↓ 1380.4%
15K· 9.32 mi
12:47/mi
1:46:11
↑ 67↓ 78
20K· 12.43 mi
13:57/mi
2:29:31
↑ 106↓ 860.1%
Half· 13.11 mi
11:55/mi
2:37:39
↑ 19↓ 370.5%
25K· 15.53 mi
14:28/mi
3:12:43
↑ 66↓ 880.2%
30K· 18.64 mi
13:42/mi
3:55:18
↑ 181↓ 1480.2%
20M
13:05/mi
4:13:05
↑ 64↓ 500.2%
21M
14:58/mi
4:28:03
↑ 106↓ 241.6%
35K· 21.75 mi
12:19/mi
4:37:16
↑ 17↓ 861.7%
23M
12:27/mi
4:52:51
↑ 23↓ 630.6%
24M
11:38/mi
5:04:29
↓ 821.3%
40K· 24.85 mi
12:39/mi
5:15:18
↓ 200.3%
25.2M
14:15/mi
5:20:13
↑ 13↓ 160.2%
Finish· 26.22 mi
11:43/mi
5:32:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:37:39
Pace12:02 /mi
2nd Half
Distance13.11 mi
Time2:54:30
Pace13:19 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0931:5610:1731:56
10:17
-
10K
6.21 mi12:24:421:06:2910:4234:33
11:07
+0:50
15K
9.32 mi13:04:241:46:1111:2439:42
12:47
+1:40
20K
12.43 mi13:47:442:29:3112:0243:20
13:57
+1:10
Half
13.11 mi13:55:522:37:3912:028:08
11:55
-2:02
25K
15.53 mi14:30:563:12:4312:2435:04
14:28
+2:33
30K
18.64 mi15:13:313:55:1812:3742:35
13:42
-0:46
20M
20.00 mi15:31:184:13:0512:3917:47
13:05
-0:37
21M
21.00 mi15:46:164:28:0312:4614:58
14:58
+1:53
35K
21.75 mi15:55:294:37:1612:459:13
12:19
-2:39
23M
23.00 mi16:11:044:52:5112:4415:35
12:27
+0:08
24M
24.00 mi16:22:425:04:2912:4111:38
11:38
-0:49
40K
24.85 mi16:33:315:15:1812:4110:49
12:39
+1:01
25.2M
25.20 mi16:38:265:20:1312:424:55
14:15
+1:36
Finish
26.22 mi16:50:225:32:0912:4111:56
11:43
-2:32

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

10:17 /mi

Average Pace

12:41 /mi

Slowest Pace

14:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:11

30% of race

Time at Steady Pace

1:33:06

28% of race

Time at Slower Pace

2:20:52

42% of race

Average Pace: 12:40 /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 mi11:50:0931:5610:1731:56
10:17
#26251
10K
6.21 mi12:24:421:06:2910:4234:33
11:07
#26849
15K
9.32 mi13:04:241:46:1111:2439:42
12:47
#27531
20K
12.43 mi13:47:442:29:3112:0243:20
13:57
#27842
Half
13.11 mi13:55:522:37:3912:028:08
11:55
#27817
25K
15.53 mi14:30:563:12:4312:2435:04
14:28
#27888
30K
18.64 mi15:13:313:55:1812:3742:35
13:42
#27821
20M
20.00 mi15:31:184:13:0512:3917:47
13:05
#27741
21M
21.00 mi15:46:164:28:0312:4614:58
14:58
#27719
35K
21.75 mi15:55:294:37:1612:459:13
12:19
#27689
23M
23.00 mi16:11:044:52:5112:4415:35
12:27
#27612
24M
24.00 mi16:22:425:04:2912:4111:38
11:38
#27561
40K
24.85 mi16:33:315:15:1812:4110:49
12:39
#27509
25.2M
25.20 mi16:38:265:20:1312:424:55
14:15
#27508
Finish
26.22 mi16:50:225:32:0912:4111:56
11:43
#27486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26251108961089628080(Top 99%)12028(Top 98%)12028(Top 1210%)
10K6.21 mi3.10 mi26849-59811251-35511251-35527210(Top 96%)11489(Top 94%)11489(Top 1156%)
15K9.32 mi3.11 mi27531-68211677-42611677-42628080(Top 99%)12028(Top 98%)12028(Top 1210%)
20K12.43 mi3.11 mi27842-31111877-20011877-20028232(Top 99%)12143(Top 99%)12143(Top 1222%)
Half13.11 mi0.68 mi27817+2511862+1511862+1527395(Top 96%)11646(Top 95%)11646(Top 1172%)
25K15.53 mi2.42 mi27888-7111913-5111913-5128086(Top 99%)12063(Top 99%)12063(Top 1214%)
30K18.64 mi3.11 mi27821+6711882+3111882+3127290(Top 96%)11651(Top 95%)11651(Top 1172%)
20M20.00 mi1.36 mi27741+8011844+3811844+3826534(Top 93%)11307(Top 92%)11307(Top 1138%)
21M21.00 mi1.00 mi27719+2211838+611838+627116(Top 95%)11626(Top 95%)11626(Top 1170%)
35K21.75 mi0.75 mi27689+3011821+1711821+1726259(Top 92%)11221(Top 92%)11221(Top 1129%)
23M23.00 mi1.25 mi27612+7711787+3411787+3425728(Top 91%)10970(Top 90%)10970(Top 1104%)
24M24.00 mi1.00 mi27561+5111761+2611761+2625121(Top 88%)10694(Top 87%)10694(Top 1076%)
40K24.85 mi0.85 mi27509+5211731+3011731+3025861(Top 91%)11077(Top 91%)11077(Top 1114%)
25.2M25.20 mi0.35 mi27508+111735-411735-426526(Top 93%)11442(Top 94%)11442(Top 1151%)
Finish26.22 mi1.02 mi27486+2211725+1011725+1026421(Top 93%)11349(Top 93%)11349(Top 1142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28080

Females

12028

F55-59

12028

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27210

Females

11489

F55-59

11489

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28080

Females

12028

F55-59

12028

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28232

Females

12143

F55-59

12143

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27395

Females

11646

F55-59

11646

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28086

Females

12063

F55-59

12063

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27290

Females

11651

F55-59

11651

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26534

Females

11307

F55-59

11307

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

27116

Females

11626

F55-59

11626

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26259

Females

11221

F55-59

11221

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25728

Females

10970

F55-59

10970

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25121

Females

10694

F55-59

10694

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25861

Females

11077

F55-59

11077

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26526

Females

11442

F55-59

11442

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26421

Females

11349

F55-59

11349

Passing Analysis

Category:
Athletes Passed
551
Passed By
1786
Net Change
-1235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26251
5K → 10K31629-598#26251#26849
10K → 15K6688-682#26849#27531
15K → 20K7318-311#27531#27842
20K → Half305+25#27842#27817
Half → 25K2596-71#27817#27888
25K → 30K8821+67#27888#27821
30K → 20M811+80#27821#27741
20M → 21M3513+22#27741#27719
21M → 35K300+30#27719#27689
35K → 23M781+77#27689#27612
23M → 24M532+51#27612#27561
24M → 40K531+52#27561#27509
40K → 25.2M109+1#27509#27508
25.2M → Finish242+22#27508#27486
TOTALS5511786-1235
📊

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