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BOSTON MARATHON 2025

Haley Johnston

Bib: 10233•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #10872
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
46:00
Rank: #11253 (-381)
5K → 10K
23:09 | 7:27/mi
15K· 9.32 mi
1:09:00
Rank: #11078 (+175)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:11
Rank: #10905 (+173)
15K → 20K
23:11 | 7:28/mi
Half· 13.11 mi
1:37:12
Rank: #10864 (+41)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:11
Rank: #10575 (+289)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:18:53
Rank: #10147 (+428)
25K → 30K
23:42 | 7:38/mi
20M
2:29:31
Rank: #10002 (+145)
30K → 20M
10:38 | 7:49/mi
21M
2:37:44
Rank: #9887 (+115)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:43:26
Rank: #9867 (+20)
21M → 35K
5:42 | 7:37/mi
23M
2:53:33
Rank: #9900 (-33)
35K → 23M
10:07 | 8:05/mi
24M
3:01:43
Rank: #9993 (-93)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:08:57
Rank: #10094 (-101)
24M → 40K
7:14 | 8:28/mi
25.2M
3:12:00
Rank: #10097 (-3)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:20:47
Rank: #10370 (-273)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:12
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:35
Pace7:54 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3122:517:2122:51
7:21
-
10K
6.21 mi11:11:4046:007:2423:09
7:27
+0:06
15K
9.32 mi11:34:401:09:007:2423:00
7:24
-0:03
20K
12.43 mi11:57:511:32:117:2523:11
7:28
+0:04
Half
13.11 mi12:02:521:37:127:255:01
7:21
-0:07
25K
15.53 mi12:20:511:55:117:2517:59
7:25
+0:04
30K
18.64 mi12:44:332:18:537:2723:42
7:38
+0:13
20M
20.00 mi12:55:112:29:317:2910:38
7:49
+0:11
21M
21.00 mi13:03:242:37:447:318:13
8:13
+0:24
35K
21.75 mi13:09:062:43:267:315:42
7:37
-0:36
23M
23.00 mi13:19:132:53:337:3310:07
8:05
+0:28
24M
24.00 mi13:27:233:01:437:348:10
8:10
+0:05
40K
24.85 mi13:34:373:08:577:367:14
8:28
+0:18
25.2M
25.20 mi13:37:403:12:007:373:03
8:51
+0:23
Finish
26.22 mi13:46:273:20:477:408:47
8:37
-0:14

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

7:21 /mi

Average Pace

7:40 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:52

14% of race

Time at Steady Pace

2:07:21

63% of race

Time at Slower Pace

45:34

23% of race

Average Pace: 7:39 /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 mi10:48:3122:517:2122:51
7:21
#10872
10K
6.21 mi11:11:4046:007:2423:09
7:27
#11253
15K
9.32 mi11:34:401:09:007:2423:00
7:24
#11078
20K
12.43 mi11:57:511:32:117:2523:11
7:28
#10905
Half
13.11 mi12:02:521:37:127:255:01
7:21
#10864
25K
15.53 mi12:20:511:55:117:2517:59
7:25
#10575
30K
18.64 mi12:44:332:18:537:2723:42
7:38
#10147
20M
20.00 mi12:55:112:29:317:2910:38
7:49
#10002
21M
21.00 mi13:03:242:37:447:318:13
8:13
#9887
35K
21.75 mi13:09:062:43:267:315:42
7:37
#9867
23M
23.00 mi13:19:132:53:337:3310:07
8:05
#9900
24M
24.00 mi13:27:233:01:437:348:10
8:10
#9993
40K
24.85 mi13:34:373:08:577:367:14
8:28
#10094
25.2M
25.20 mi13:37:403:12:007:373:03
8:51
#10097
Finish
26.22 mi13:46:273:20:477:408:47
8:37
#10370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108722222222210883(Top 38%)2321(Top 19%)2321(Top 42%)
10K6.21 mi3.10 mi11253-3812429-2072429-20711628(Top 41%)2630(Top 22%)2630(Top 48%)
15K9.32 mi3.11 mi11078+1752359+702359+7010883(Top 38%)2321(Top 19%)2321(Top 42%)
20K12.43 mi3.11 mi10905+1732291+682291+6810416(Top 37%)2167(Top 18%)2167(Top 40%)
Half13.11 mi0.68 mi10864+412277+142277+1410383(Top 37%)2158(Top 18%)2158(Top 39%)
25K15.53 mi2.42 mi10575+2892169+1082169+1089268(Top 33%)1764(Top 14%)1764(Top 32%)
30K18.64 mi3.11 mi10147+4282040+1292040+1298650(Top 30%)1675(Top 14%)1675(Top 31%)
20M20.00 mi1.36 mi10002+1451989+511989+519162(Top 32%)2066(Top 17%)2066(Top 38%)
21M21.00 mi1.00 mi9887+1151973+161973+168640(Top 30%)2014(Top 16%)2014(Top 37%)
35K21.75 mi0.75 mi9867+201994-211994-219395(Top 33%)2331(Top 19%)2331(Top 43%)
23M23.00 mi1.25 mi9900-332065-712065-7110565(Top 37%)3037(Top 25%)3037(Top 56%)
24M24.00 mi1.00 mi9993-932142-772142-7712291(Top 43%)3959(Top 32%)3959(Top 72%)
40K24.85 mi0.85 mi10094-1012223-812223-8113116(Top 46%)4525(Top 37%)4525(Top 83%)
25.2M25.20 mi0.35 mi10097-32241-182241-1810760(Top 38%)3413(Top 28%)3413(Top 62%)
Finish26.22 mi1.02 mi10370-2732405-1642405-16416910(Top 60%)6530(Top 53%)6530(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10883

Females

2321

F18-39

2321

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11628

Females

2630

F18-39

2630

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10883

Females

2321

F18-39

2321

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10416

Females

2167

F18-39

2167

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10383

Females

2158

F18-39

2158

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9268

Females

1764

F18-39

1764

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8650

Females

1675

F18-39

1675

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9162

Females

2066

F18-39

2066

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8640

Females

2014

F18-39

2014

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9395

Females

2331

F18-39

2331

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10565

Females

3037

F18-39

3037

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12291

Females

3959

F18-39

3959

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13116

Females

4525

F18-39

4525

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10760

Females

3413

F18-39

3413

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16910

Females

6530

F18-39

6530

Passing Analysis

Category:
Athletes Passed
2161*
Passed By
1653
Net Change
+502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10872
5K → 10K116497-381#10872#11253
10K → 15K27095+175#11253#11078
15K → 20K26491+173#11078#10905
20K → Half5413+41#10905#10864
Half → 25K32031+289#10864#10575
25K → 30K46334+428#10575#10147
30K → 20M18742+145#10147#10002
20M → 21M161*46+115#10002#9887
21M → 35K7656+20#9887#9867
35K → 23M95127-33#9867#9900
23M → 24M53145-93#9900#9993
24M → 40K52151-101#9993#10094
40K → 25.2M3134-3#10094#10097
25.2M → Finish19291-273#10097#10370
TOTALS2161*1653+502

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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