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BOSTON MARATHON 2025

Julia Duggan

Bib: 27612•F

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:58/mi
30:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:14/mi
1:02:46
↑ 79↓ 1380.4%
15K· 9.32 mi
10:23/mi
1:35:02
↑ 67↓ 78
20K· 12.43 mi
11:14/mi
2:09:56
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:17:10
↑ 19↓ 370.5%
25K· 15.53 mi
11:03/mi
2:43:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:49/mi
3:20:40
↑ 181↓ 1480.2%
20M
12:06/mi
3:37:06
↑ 64↓ 500.2%
21M
12:38/mi
3:49:44
↑ 106↓ 241.6%
35K· 21.75 mi
11:44/mi
3:58:31
↑ 17↓ 861.7%
23M
12:03/mi
4:13:36
↑ 23↓ 630.6%
24M
11:22/mi
4:24:58
↓ 821.3%
40K· 24.85 mi
11:31/mi
4:34:49
↓ 200.3%
25.2M
12:25/mi
4:39:06
↑ 13↓ 160.2%
Finish· 26.22 mi
10:42/mi
4:50:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:10
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:32:50
Pace11:40 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5330:599:5830:59
9:58
-
10K
6.21 mi12:18:401:02:4610:0631:47
10:14
+0:16
15K
9.32 mi12:50:561:35:0210:1232:16
10:23
+0:09
20K
12.43 mi13:25:502:09:5610:2734:54
11:14
+0:51
Half
13.11 mi13:33:042:17:1010:287:14
10:36
-0:38
25K
15.53 mi13:59:512:43:5710:3326:47
11:03
+0:27
30K
18.64 mi14:36:343:20:4010:4636:43
11:49
+0:46
20M
20.00 mi14:53:003:37:0610:5116:26
12:06
+0:17
21M
21.00 mi15:05:383:49:4410:5612:38
12:38
+0:32
35K
21.75 mi15:14:253:58:3110:588:47
11:44
-0:54
23M
23.00 mi15:29:304:13:3611:0215:05
12:03
+0:19
24M
24.00 mi15:40:524:24:5811:0211:22
11:22
-0:41
40K
24.85 mi15:50:434:34:4911:039:51
11:31
+0:09
25.2M
25.20 mi15:55:004:39:0611:054:17
12:25
+0:54
Finish
26.22 mi16:05:544:50:0011:0410:54
10:42
-1:43

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

9:58 /mi

Average Pace

11:04 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:10

39% of race

Time at Steady Pace

1:31:41

32% of race

Time at Slower Pace

1:25:09

29% of race

Average Pace: 11:04 /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 mi11:46:5330:599:5830:59
9:58
#25504
10K
6.21 mi12:18:401:02:4610:0631:47
10:14
#25651
15K
9.32 mi12:50:561:35:0210:1232:16
10:23
#25707
20K
12.43 mi13:25:502:09:5610:2734:54
11:14
#25895
Half
13.11 mi13:33:042:17:1010:287:14
10:36
#25901
25K
15.53 mi13:59:512:43:5710:3326:47
11:03
#25782
30K
18.64 mi14:36:343:20:4010:4636:43
11:49
#25700
20M
20.00 mi14:53:003:37:0610:5116:26
12:06
#25674
21M
21.00 mi15:05:383:49:4410:5612:38
12:38
#25608
35K
21.75 mi15:14:253:58:3110:588:47
11:44
#25618
23M
23.00 mi15:29:304:13:3611:0215:05
12:03
#25632
24M
24.00 mi15:40:524:24:5811:0211:22
11:22
#25603
40K
24.85 mi15:50:434:34:4911:039:51
11:31
#25556
25.2M
25.20 mi15:55:004:39:0611:054:17
12:25
#25530
Finish
26.22 mi16:05:544:50:0011:0410:54
10:42
#25519
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25504104821048225737(Top 91%)10640(Top 87%)10640(Top 195%)
10K6.21 mi3.10 mi25651-14710582-10010582-10025789(Top 91%)10681(Top 87%)10681(Top 195%)
15K9.32 mi3.11 mi25707-5610621-3910621-3925737(Top 91%)10640(Top 87%)10640(Top 195%)
20K12.43 mi3.11 mi25895-18810729-10810729-10826322(Top 93%)10985(Top 90%)10985(Top 201%)
Half13.11 mi0.68 mi25901-610734-510734-525930(Top 91%)10780(Top 88%)10780(Top 197%)
25K15.53 mi2.42 mi25782+11910681+5310681+5325263(Top 89%)10447(Top 85%)10447(Top 191%)
30K18.64 mi3.11 mi25700+8210672+910672+925341(Top 89%)10580(Top 87%)10580(Top 193%)
20M20.00 mi1.36 mi25674+2610669+310669+325377(Top 89%)10690(Top 87%)10690(Top 195%)
21M21.00 mi1.00 mi25608+6610643+2610643+2624564(Top 86%)10331(Top 84%)10331(Top 189%)
35K21.75 mi0.75 mi25618-1010656-1310656-1325452(Top 90%)10821(Top 88%)10821(Top 198%)
23M23.00 mi1.25 mi25632-1410675-1910675-1925175(Top 89%)10691(Top 87%)10691(Top 195%)
24M24.00 mi1.00 mi25603+2910673+210673+224668(Top 87%)10474(Top 86%)10474(Top 192%)
40K24.85 mi0.85 mi25556+4710661+1210661+1224157(Top 85%)10248(Top 84%)10248(Top 187%)
25.2M25.20 mi0.35 mi25530+2610652+910652+923998(Top 84%)10174(Top 83%)10174(Top 186%)
Finish26.22 mi1.02 mi25519+1110649+310649+324713(Top 87%)10521(Top 86%)10521(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25737

Females

10640

F18-39

10640

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25789

Females

10681

F18-39

10681

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25737

Females

10640

F18-39

10640

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26322

Females

10985

F18-39

10985

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25930

Females

10780

F18-39

10780

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25263

Females

10447

F18-39

10447

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25341

Females

10580

F18-39

10580

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25377

Females

10690

F18-39

10690

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24564

Females

10331

F18-39

10331

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25452

Females

10821

F18-39

10821

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25175

Females

10691

F18-39

10691

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24668

Females

10474

F18-39

10474

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24157

Females

10248

F18-39

10248

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23998

Females

10174

F18-39

10174

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24713

Females

10521

F18-39

10521

Passing Analysis

Category:
Athletes Passed
1046
Passed By
1061
Net Change
-15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25504
5K → 10K146293-147#25504#25651
10K → 15K112168-56#25651#25707
15K → 20K70258-188#25707#25895
20K → Half1723-6#25895#25901
Half → 25K15637+119#25901#25782
25K → 30K15371+82#25782#25700
30K → 20M6438+26#25700#25674
20M → 21M8317+66#25674#25608
21M → 35K3141-10#25608#25618
35K → 23M4054-14#25618#25632
23M → 24M4920+29#25632#25603
24M → 40K6013+47#25603#25556
40K → 25.2M337+26#25556#25530
25.2M → Finish3221+11#25530#25519
TOTALS10461061-15
📊

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