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BOSTON MARATHON 2025

Mary Johnson

Bib: 10965•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:44
Rank: #7792
Start → 5K
7:00/mi
21:44 split
10K· 6.21 mi
43:07
Rank: #7436 (+356)
5K → 10K
6:53/mi
21:23 split
15K· 9.32 mi
1:04:23
Rank: #7138 (+298)
10K → 15K
6:51/mi
21:16 split
20K· 12.43 mi
1:25:42
Rank: #6790 (+348)
15K → 20K
6:52/mi
21:19 split
Half· 13.11 mi
1:30:19
Rank: #6751 (+39)
20K → Half
6:46/mi
4:37 split
25K· 15.53 mi
1:46:54
Rank: #6436 (+315)
Half → 25K
6:50/mi
16:35 split
30K· 18.64 mi
2:08:57
Rank: #6096 (+340)
25K → 30K
7:06/mi
22:03 split
20M
2:19:47
Rank: #6321 (-225)
30K → 20M
7:59/mi
10:50 split
21M
2:27:46
Rank: #6308 (+13)
20M → 21M
7:59/mi
7:59 split
35K· 21.75 mi
2:33:36
Rank: #6390 (-82)
21M → 35K
7:48/mi
5:50 split
23M
2:43:22
Rank: #6436 (-46)
35K → 23M
7:48/mi
9:46 split
24M
2:51:10
Rank: #6507 (-71)
23M → 24M
7:48/mi
7:48 split
40K· 24.85 mi
2:57:45
Rank: #6513 (-6)
24M → 40K
7:42/mi
6:35 split
25.2M
3:00:45
Rank: #6534 (-21)
40K → 25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:08:21
Rank: #6588 (-54)
25.2M → Finish
7:27/mi
7:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3621:447:0021:44
7:00
-
10K
6.21 mi11:09:5943:076:5621:23
6:53
-0:07
15K
9.32 mi11:31:151:04:236:5421:16
6:51
-0:02
20K
12.43 mi11:52:341:25:426:5421:19
6:52
+0:01
Half
13.11 mi11:57:111:30:196:534:37
6:46
-0:06
25K
15.53 mi12:13:461:46:546:5316:35
6:50
+0:04
30K
18.64 mi12:35:492:08:576:5522:03
7:06
+0:16
20M
20.00 mi12:46:392:19:476:5910:50
7:59
+0:53
21M
21.00 mi12:54:382:27:467:027:59
7:59
0:00
35K
21.75 mi13:00:282:33:367:045:50
7:48
-0:11
23M
23.00 mi13:10:142:43:227:069:46
7:48
0:00
24M
24.00 mi13:18:022:51:107:087:48
7:48
0:00
40K
24.85 mi13:24:372:57:457:096:35
7:42
-0:06
25.2M
25.20 mi13:27:373:00:457:103:00
8:42
+1:00
Finish
26.22 mi13:35:133:08:217:117:36
7:27
-1:15

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

6:46 /mi

Average Pace

7:11 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:57

68% of race

Time at Steady Pace

14:11

8% of race

Time at Slower Pace

45:13

24% of race

Average Pace: 7:11 /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 mi10:48:3621:447:0021:44
7:00
#7792
10K
6.21 mi11:09:5943:076:5621:23
6:53
#7436
15K
9.32 mi11:31:151:04:236:5421:16
6:51
#7138
20K
12.43 mi11:52:341:25:426:5421:19
6:52
#6790
Half
13.11 mi11:57:111:30:196:534:37
6:46
#6751
25K
15.53 mi12:13:461:46:546:5316:35
6:50
#6436
30K
18.64 mi12:35:492:08:576:5522:03
7:06
#6096
20M
20.00 mi12:46:392:19:476:5910:50
7:59
#6321
21M
21.00 mi12:54:382:27:467:027:59
7:59
#6308
35K
21.75 mi13:00:282:33:367:045:50
7:48
#6390
23M
23.00 mi13:10:142:43:227:069:46
7:48
#6436
24M
24.00 mi13:18:022:51:107:087:48
7:48
#6507
40K
24.85 mi13:24:372:57:457:096:35
7:42
#6513
25.2M
25.20 mi13:27:373:00:457:103:00
8:42
#6534
Finish
26.22 mi13:35:133:08:217:117:36
7:27
#6588
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77929109106549(Top 23%)631(Top 5%)631(Top 12%)
10K6.21 mi3.10 mi7436+356811+99811+997124(Top 25%)735(Top 6%)735(Top 13%)
15K9.32 mi3.11 mi7138+298733+78733+786549(Top 23%)631(Top 5%)631(Top 12%)
20K12.43 mi3.11 mi6790+348655+78655+785896(Top 21%)535(Top 4%)535(Top 10%)
Half13.11 mi0.68 mi6751+39648+7648+75956(Top 21%)554(Top 5%)554(Top 10%)
25K15.53 mi2.42 mi6436+315607+41607+415218(Top 18%)424(Top 3%)424(Top 8%)
30K18.64 mi3.11 mi6096+340580+27580+275307(Top 19%)511(Top 4%)511(Top 9%)
20M20.00 mi1.36 mi6321-225632-52632-5210300(Top 36%)2601(Top 21%)2601(Top 48%)
21M21.00 mi1.00 mi6308+13645-13645-137218(Top 25%)1407(Top 12%)1407(Top 26%)
35K21.75 mi0.75 mi6390-82683-38683-3810902(Top 38%)3085(Top 25%)3085(Top 56%)
23M23.00 mi1.25 mi6436-46719-36719-368540(Top 30%)2071(Top 17%)2071(Top 38%)
24M24.00 mi1.00 mi6507-71759-40759-409747(Top 34%)2701(Top 22%)2701(Top 49%)
40K24.85 mi0.85 mi6513-6790-31790-318092(Top 28%)2019(Top 17%)2019(Top 37%)
25.2M25.20 mi0.35 mi6534-21812-22812-2210010(Top 35%)2997(Top 25%)2997(Top 55%)
Finish26.22 mi1.02 mi6588-54860-48860-488902(Top 31%)2476(Top 20%)2476(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6549

Females

631

F18-39

631

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7124

Females

735

F18-39

735

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6549

Females

631

F18-39

631

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5896

Females

535

F18-39

535

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5956

Females

554

F18-39

554

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5218

Females

424

F18-39

424

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5307

Females

511

F18-39

511

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10300

Females

2601

F18-39

2601

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7218

Females

1407

F18-39

1407

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10902

Females

3085

F18-39

3085

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8540

Females

2071

F18-39

2071

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9747

Females

2701

F18-39

2701

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8092

Females

2019

F18-39

2019

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10010

Females

2997

F18-39

2997

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8902

Females

2476

F18-39

2476

Passing Analysis

Category:
Athletes Passed
2230
Passed By
1026
Net Change
+1204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7792
5K → 10K42064+356#7792#7436
10K → 15K32830+298#7436#7138
15K → 20K36517+348#7138#6790
20K → Half5011+39#6790#6751
Half → 25K32611+315#6751#6436
25K → 30K36727+340#6436#6096
30K → 20M38263-225#6096#6321
20M → 21M6855+13#6321#6308
21M → 35K24106-82#6308#6390
35K → 23M73119-46#6390#6436
23M → 24M37108-71#6436#6507
24M → 40K5763-6#6507#6513
40K → 25.2M2041-21#6513#6534
25.2M → Finish57111-54#6534#6588
TOTALS22301026+1204
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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