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BOSTON MARATHON 2025

Bernadette Johnston

Bib: 31197•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:25
Rank: #27218
Start → 5K
10:45/mi
33:25 split
10K· 6.21 mi
1:08:27
Rank: #27335 (-117)
5K → 10K
11:17/mi
35:02 split
15K· 9.32 mi
1:44:13
Rank: #27295 (+40)
10K → 15K
11:31/mi
35:46 split
20K· 12.43 mi
2:24:01
Rank: #27465 (-170)
15K → 20K
12:49/mi
39:48 split
Half· 13.11 mi
2:31:57
Rank: #27453 (+12)
20K → Half
11:38/mi
7:56 split
25K· 15.53 mi
3:04:11
Rank: #27480 (-27)
Half → 25K
13:18/mi
32:14 split
30K· 18.64 mi
3:44:22
Rank: #27319 (+161)
25K → 30K
12:56/mi
40:11 split
20M
4:03:10
Rank: #27336 (-17)
30K → 20M
13:50/mi
18:48 split
21M
4:16:49
Rank: #27292 (+44)
20M → 21M
13:39/mi
13:39 split
35K· 21.75 mi
4:25:02
Rank: #27206 (+86)
21M → 35K
10:59/mi
8:13 split
23M
4:41:05
Rank: #27168 (+38)
35K → 23M
12:49/mi
16:03 split
24M
4:52:15
Rank: #27103 (+65)
23M → 24M
11:10/mi
11:10 split
40K· 24.85 mi
5:02:57
Rank: #27071 (+32)
24M → 40K
12:31/mi
10:42 split
25.2M
5:08:23
Rank: #27085 (-14)
40K → 25.2M
15:45/mi
5:26 split
Finish· 26.22 mi
5:19:25
Rank: #27030 (+55)
25.2M → Finish
10:50/mi
11:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:57
Pace11:35 /mi
2nd Half
Distance13.11 mi
Time2:47:28
Pace12:46 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1033:2510:4533:25
10:45
-
10K
6.21 mi12:34:121:08:2711:0135:02
11:17
+0:32
15K
9.32 mi13:09:581:44:1311:1135:46
11:31
+0:14
20K
12.43 mi13:49:462:24:0111:3539:48
12:49
+1:18
Half
13.11 mi13:57:422:31:5711:357:56
11:38
-1:11
25K
15.53 mi14:29:563:04:1111:5132:14
13:18
+1:40
30K
18.64 mi15:10:073:44:2212:0240:11
12:56
-0:22
20M
20.00 mi15:28:554:03:1012:0918:48
13:50
+0:54
21M
21.00 mi15:42:344:16:4912:1413:39
13:39
-0:11
35K
21.75 mi15:50:474:25:0212:118:13
10:59
-2:40
23M
23.00 mi16:06:504:41:0512:1316:03
12:49
+1:50
24M
24.00 mi16:18:004:52:1512:1111:10
11:10
-1:39
40K
24.85 mi16:28:425:02:5712:1110:42
12:31
+1:21
25.2M
25.20 mi16:34:085:08:2312:145:26
15:45
+3:14
Finish
26.22 mi16:45:105:19:2512:1111:02
10:50
-4:55

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

10:45 /mi

Average Pace

12:11 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:34

45% of race

Time at Steady Pace

1:46:44

33% of race

Time at Slower Pace

1:10:07

22% of race

Average Pace: 12:11 /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 mi11:59:1033:2510:4533:25
10:45
#27218
10K
6.21 mi12:34:121:08:2711:0135:02
11:17
#27335
15K
9.32 mi13:09:581:44:1311:1135:46
11:31
#27295
20K
12.43 mi13:49:462:24:0111:3539:48
12:49
#27465
Half
13.11 mi13:57:422:31:5711:357:56
11:38
#27453
25K
15.53 mi14:29:563:04:1111:5132:14
13:18
#27480
30K
18.64 mi15:10:073:44:2212:0240:11
12:56
#27319
20M
20.00 mi15:28:554:03:1012:0918:48
13:50
#27336
21M
21.00 mi15:42:344:16:4912:1413:39
13:39
#27292
35K
21.75 mi15:50:474:25:0212:118:13
10:59
#27206
23M
23.00 mi16:06:504:41:0512:1316:03
12:49
#27168
24M
24.00 mi16:18:004:52:1512:1111:10
11:10
#27103
40K
24.85 mi16:28:425:02:5712:1110:42
12:31
#27071
25.2M
25.20 mi16:34:085:08:2312:145:26
15:45
#27085
Finish
26.22 mi16:45:105:19:2512:1111:02
10:50
#27030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi27218114581145827236(Top 96%)11511(Top 94%)11511(Top 670%)
10K6.21 mi3.10 mi27335-11711552-9411552-9427356(Top 96%)11581(Top 95%)11581(Top 674%)
15K9.32 mi3.11 mi27295+4011524+2811524+2827236(Top 96%)11511(Top 94%)11511(Top 670%)
20K12.43 mi3.11 mi27465-17011640-11611640-11627710(Top 98%)11819(Top 97%)11819(Top 688%)
Half13.11 mi0.68 mi27453+1211631+911631+927159(Top 96%)11505(Top 94%)11505(Top 670%)
25K15.53 mi2.42 mi27480-2711671-4011671-4027497(Top 97%)11713(Top 96%)11713(Top 682%)
30K18.64 mi3.11 mi27319+16111596+7511596+7526610(Top 94%)11284(Top 92%)11284(Top 657%)
20M20.00 mi1.36 mi27336-1711607-1111607-1127161(Top 96%)11642(Top 95%)11642(Top 678%)
21M21.00 mi1.00 mi27292+4411585+2211585+2225817(Top 91%)10956(Top 90%)10956(Top 638%)
35K21.75 mi0.75 mi27206+8611543+4211543+4224142(Top 85%)10145(Top 83%)10145(Top 591%)
23M23.00 mi1.25 mi27168+3811526+1711526+1726174(Top 92%)11185(Top 91%)11185(Top 651%)
24M24.00 mi1.00 mi27103+6511498+2811498+2824309(Top 86%)10282(Top 84%)10282(Top 598%)
40K24.85 mi0.85 mi27071+3211482+1611482+1625665(Top 90%)10979(Top 90%)10979(Top 639%)
25.2M25.20 mi0.35 mi27085-1411495-1311495-1327579(Top 97%)11923(Top 98%)11923(Top 694%)
Finish26.22 mi1.02 mi27030+5511467+2811467+2824998(Top 88%)10658(Top 87%)10658(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27236

Females

11511

F40-44

11511

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27356

Females

11581

F40-44

11581

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27236

Females

11511

F40-44

11511

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27710

Females

11819

F40-44

11819

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27159

Females

11505

F40-44

11505

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27497

Females

11713

F40-44

11713

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26610

Females

11284

F40-44

11284

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27161

Females

11642

F40-44

11642

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25817

Females

10956

F40-44

10956

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24142

Females

10145

F40-44

10145

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26174

Females

11185

F40-44

11185

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24309

Females

10282

F40-44

10282

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25665

Females

10979

F40-44

10979

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27579

Females

11923

F40-44

11923

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24998

Females

10658

F40-44

10658

Passing Analysis

Category:
Athletes Passed
884
Passed By
696
Net Change
+188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27218
5K → 10K99216-117#27218#27335
10K → 15K12181+40#27335#27295
15K → 20K33203-170#27295#27465
20K → Half2715+12#27465#27453
Half → 25K5380-27#27453#27480
25K → 30K17514+161#27480#27319
30K → 20M2239-17#27319#27336
20M → 21M484+44#27336#27292
21M → 35K871+86#27292#27206
35K → 23M4810+38#27206#27168
23M → 24M694+65#27168#27103
24M → 40K408+32#27103#27071
40K → 25.2M620-14#27071#27085
25.2M → Finish561+55#27085#27030
TOTALS884696+188
📊

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