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BOSTON MARATHON 2025

Julia Mckay

Bib: 14127•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 28%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:53
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:35:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:00:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:25:51
↑ 181↓ 1480.2%
20M
8:18/mi
2:37:08
↑ 64↓ 500.2%
21M
8:42/mi
2:45:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:51:54
↑ 17↓ 861.7%
23M
8:18/mi
3:02:17
↑ 23↓ 630.6%
24M
8:08/mi
3:10:25
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:17:15
↓ 200.3%
25.2M
8:19/mi
3:20:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:27:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:04
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:46:28
Pace8:07 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1824:047:4524:04
7:45
-
10K
6.21 mi11:18:1047:567:4323:52
7:41
-0:04
15K
9.32 mi11:42:071:11:537:4323:57
7:43
+0:02
20K
12.43 mi12:06:021:35:487:4323:55
7:42
-0:01
Half
13.11 mi12:11:181:41:047:435:16
7:43
+0:01
25K
15.53 mi12:30:292:00:157:4419:11
7:55
+0:12
30K
18.64 mi12:56:052:25:517:4925:36
8:14
+0:19
20M
20.00 mi13:07:222:37:087:5111:17
8:18
+0:04
21M
21.00 mi13:16:042:45:507:548:42
8:42
+0:24
35K
21.75 mi13:22:082:51:547:546:04
8:07
-0:35
23M
23.00 mi13:32:313:02:177:5610:23
8:18
+0:11
24M
24.00 mi13:40:393:10:257:568:08
8:08
-0:10
40K
24.85 mi13:47:293:17:157:566:50
8:00
-0:08
25.2M
25.20 mi13:50:213:20:077:562:52
8:19
+0:19
Finish
26.22 mi13:57:463:27:327:557:25
7:17
-1:02

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

7:17 /mi

Average Pace

7:55 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:30

65% of race

Time at Steady Pace

1:04:20

31% of race

Time at Slower Pace

8:42

4% of race

Average Pace: 7:55 /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 mi10:54:1824:047:4524:04
7:45
#14355
10K
6.21 mi11:18:1047:567:4323:52
7:41
#14029
15K
9.32 mi11:42:071:11:537:4323:57
7:43
#13854
20K
12.43 mi12:06:021:35:487:4323:55
7:42
#13445
Half
13.11 mi12:11:181:41:047:435:16
7:43
#13451
25K
15.53 mi12:30:292:00:157:4419:11
7:55
#13371
30K
18.64 mi12:56:052:25:517:4925:36
8:14
#13288
20M
20.00 mi13:07:222:37:087:5111:17
8:18
#13186
21M
21.00 mi13:16:042:45:507:548:42
8:42
#13070
35K
21.75 mi13:22:082:51:547:546:04
8:07
#13047
23M
23.00 mi13:32:313:02:177:5610:23
8:18
#12967
24M
24.00 mi13:40:393:10:257:568:08
8:08
#12920
40K
24.85 mi13:47:293:17:157:566:50
8:00
#12788
25.2M
25.20 mi13:50:213:20:077:562:52
8:19
#12681
Finish
26.22 mi13:57:463:27:327:557:25
7:17
#12459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143554130413013599(Top 48%)3785(Top 31%)3785(Top 69%)
10K6.21 mi3.10 mi14029+3263959+1713959+17113727(Top 48%)3794(Top 31%)3794(Top 69%)
15K9.32 mi3.11 mi13854+1753879+803879+8013599(Top 48%)3785(Top 31%)3785(Top 69%)
20K12.43 mi3.11 mi13445+4093688+1913688+19112407(Top 44%)3228(Top 26%)3228(Top 59%)
Half13.11 mi0.68 mi13451-63702-143702-1413596(Top 48%)3818(Top 31%)3818(Top 70%)
25K15.53 mi2.42 mi13371+803696+63696+613200(Top 46%)3772(Top 31%)3772(Top 69%)
30K18.64 mi3.11 mi13288+833708-123708-1213109(Top 46%)3887(Top 32%)3887(Top 71%)
20M20.00 mi1.36 mi13186+1023683+253683+2512523(Top 44%)3706(Top 30%)3706(Top 68%)
21M21.00 mi1.00 mi13070+1163642+413642+4111695(Top 41%)3445(Top 28%)3445(Top 63%)
35K21.75 mi0.75 mi13047+233649-73649-713011(Top 46%)4159(Top 34%)4159(Top 76%)
23M23.00 mi1.25 mi12967+803646+33646+312016(Top 42%)3750(Top 31%)3750(Top 69%)
24M24.00 mi1.00 mi12920+473660-143660-1412157(Top 43%)3873(Top 32%)3873(Top 71%)
40K24.85 mi0.85 mi12788+1323614+463614+4610190(Top 36%)3030(Top 25%)3030(Top 55%)
25.2M25.20 mi0.35 mi12681+1073563+513563+517819(Top 28%)2008(Top 16%)2008(Top 37%)
Finish26.22 mi1.02 mi12459+2223479+843479+847669(Top 27%)1941(Top 16%)1941(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13599

Females

3785

F18-39

3785

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13727

Females

3794

F18-39

3794

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13599

Females

3785

F18-39

3785

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12407

Females

3228

F18-39

3228

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13596

Females

3818

F18-39

3818

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13200

Females

3772

F18-39

3772

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13109

Females

3887

F18-39

3887

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12523

Females

3706

F18-39

3706

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11695

Females

3445

F18-39

3445

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13011

Females

4159

F18-39

4159

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12016

Females

3750

F18-39

3750

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12157

Females

3873

F18-39

3873

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10190

Females

3030

F18-39

3030

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7819

Females

2008

F18-39

2008

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7669

Females

1941

F18-39

1941

Passing Analysis

Category:
Athletes Passed
2816
Passed By
920
Net Change
+1896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14355
5K → 10K470144+326#14355#14029
10K → 15K277102+175#14029#13854
15K → 20K44334+409#13854#13445
20K → Half3339-6#13445#13451
Half → 25K200120+80#13451#13371
25K → 30K280197+83#13371#13288
30K → 20M16159+102#13288#13186
20M → 21M16044+116#13186#13070
21M → 35K6239+23#13070#13047
35K → 23M14565+80#13047#12967
23M → 24M10356+47#12967#12920
24M → 40K14614+132#12920#12788
40K → 25.2M1114+107#12788#12681
25.2M → Finish2253+222#12681#12459
TOTALS2816920+1896
📊

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