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BOSTON MARATHON 2025

Bridget Dillon

Bib: 16438•F

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 47%
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
8:02/mi
24:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:38:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:44:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:03:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:29:00
↑ 181↓ 1480.2%
20M
8:15/mi
2:40:12
↑ 64↓ 500.2%
21M
8:25/mi
2:48:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:54:22
↑ 17↓ 861.7%
23M
7:48/mi
3:04:08
↑ 23↓ 630.6%
24M
7:37/mi
3:11:45
↓ 821.3%
40K· 24.85 mi
7:22/mi
3:18:03
↓ 200.3%
25.2M
7:56/mi
3:20:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:58/mi
3:27:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4424:568:0224:56
8:02
-
10K
6.21 mi11:23:3449:468:0124:50
8:00
-0:02
15K
9.32 mi11:48:221:14:348:0024:48
7:59
-0:01
20K
12.43 mi12:12:391:38:517:5724:17
7:49
-0:10
Half
13.11 mi12:18:001:44:127:575:21
7:50
+0:01
25K
15.53 mi12:37:162:03:287:5719:16
7:57
+0:07
30K
18.64 mi13:02:482:29:008:0025:32
8:13
+0:16
20M
20.00 mi13:14:002:40:128:0111:12
8:15
+0:02
21M
21.00 mi13:22:252:48:378:028:25
8:25
+0:10
35K
21.75 mi13:28:102:54:228:015:45
7:41
-0:44
23M
23.00 mi13:37:563:04:088:009:46
7:48
+0:07
24M
24.00 mi13:45:333:11:457:597:37
7:37
-0:11
40K
24.85 mi13:51:513:18:037:586:18
7:22
-0:15
25.2M
25.20 mi13:54:353:20:477:582:44
7:56
+0:34
Finish
26.22 mi14:01:413:27:537:567:06
6:58
-0:58

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

6:58 /mi

Average Pace

7:56 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:46

13% of race

Time at Steady Pace

2:15:58

65% of race

Time at Slower Pace

45:09

22% of race

Average Pace: 7:56 /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 mi10:58:4424:568:0224:56
8:02
#16790
10K
6.21 mi11:23:3449:468:0124:50
8:00
#16590
15K
9.32 mi11:48:221:14:348:0024:48
7:59
#16333
20K
12.43 mi12:12:391:38:517:5724:17
7:49
#15577
Half
13.11 mi12:18:001:44:127:575:21
7:50
#15518
25K
15.53 mi12:37:162:03:287:5719:16
7:57
#15141
30K
18.64 mi13:02:482:29:008:0025:32
8:13
#14665
20M
20.00 mi13:14:002:40:128:0111:12
8:15
#14408
21M
21.00 mi13:22:252:48:378:028:25
8:25
#14088
35K
21.75 mi13:28:102:54:228:015:45
7:41
#13907
23M
23.00 mi13:37:563:04:088:009:46
7:48
#13573
24M
24.00 mi13:45:333:11:457:597:37
7:37
#13328
40K
24.85 mi13:51:513:18:037:586:18
7:22
#13038
25.2M
25.20 mi13:54:353:20:477:582:44
7:56
#12901
Finish
26.22 mi14:01:413:27:537:567:06
6:58
#12548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi167905621562115907(Top 56%)5089(Top 42%)5089(Top 93%)
10K6.21 mi3.10 mi16590+2005488+1335488+13316428(Top 58%)5378(Top 44%)5378(Top 98%)
15K9.32 mi3.11 mi16333+2575331+1575331+15715907(Top 56%)5089(Top 42%)5089(Top 93%)
20K12.43 mi3.11 mi15577+7564911+4204911+42013414(Top 47%)3766(Top 31%)3766(Top 69%)
Half13.11 mi0.68 mi15518+594871+404871+4014624(Top 51%)4391(Top 36%)4391(Top 80%)
25K15.53 mi2.42 mi15141+3774684+1874684+18713487(Top 47%)3927(Top 32%)3927(Top 72%)
30K18.64 mi3.11 mi14665+4764481+2034481+20312963(Top 46%)3807(Top 31%)3807(Top 70%)
20M20.00 mi1.36 mi14408+2574369+1124369+11212094(Top 43%)3498(Top 29%)3498(Top 64%)
21M21.00 mi1.00 mi14088+3204216+1534216+1539987(Top 35%)2610(Top 21%)2610(Top 48%)
35K21.75 mi0.75 mi13907+1814133+834133+8310062(Top 35%)2648(Top 22%)2648(Top 48%)
23M23.00 mi1.25 mi13573+3343996+1373996+1378630(Top 30%)2108(Top 17%)2108(Top 39%)
24M24.00 mi1.00 mi13328+2453879+1173879+1178587(Top 30%)2149(Top 18%)2149(Top 39%)
40K24.85 mi0.85 mi13038+2903753+1263753+1266074(Top 21%)1182(Top 10%)1182(Top 22%)
25.2M25.20 mi0.35 mi12901+1373688+653688+655689(Top 20%)1152(Top 9%)1152(Top 21%)
Finish26.22 mi1.02 mi12548+3533525+1633525+1635574(Top 20%)1103(Top 9%)1103(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15907

Females

5089

F18-39

5089

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16428

Females

5378

F18-39

5378

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15907

Females

5089

F18-39

5089

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13414

Females

3766

F18-39

3766

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14624

Females

4391

F18-39

4391

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13487

Females

3927

F18-39

3927

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12963

Females

3807

F18-39

3807

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12094

Females

3498

F18-39

3498

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9987

Females

2610

F18-39

2610

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

10062

Females

2648

F18-39

2648

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8630

Females

2108

F18-39

2108

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8587

Females

2149

F18-39

2149

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6074

Females

1182

F18-39

1182

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5689

Females

1152

F18-39

1152

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5574

Females

1103

F18-39

1103

Passing Analysis

Category:
Athletes Passed
4665
Passed By
423
Net Change
+4242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16790
5K → 10K413213+200#16790#16590
10K → 15K34285+257#16590#16333
15K → 20K7604+756#16333#15577
20K → Half7516+59#15577#15518
Half → 25K39619+377#15518#15141
25K → 30K52246+476#15141#14665
30K → 20M27720+257#14665#14408
20M → 21M3266+320#14408#14088
21M → 35K1821+181#14088#13907
35K → 23M3384+334#13907#13573
23M → 24M2494+245#13573#13328
24M → 40K2944+290#13328#13038
40K → 25.2M1370+137#13038#12901
25.2M → Finish3541+353#12901#12548
TOTALS4665423+4242
📊

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