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BOSTON MARATHON 2025

Kristin Johanson

Bib: 29916•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
35:43
Rank: #28006
Start → 5K
35:43 | 11:30/mi
10K· 6.21 mi
1:15:56
Rank: #28218 (-212)
5K → 10K
40:13 | 12:57/mi
15K· 9.32 mi
1:57:25
Rank: #28260 (-42)
10K → 15K
41:29 | 13:21/mi
20K· 12.43 mi
2:41:20
Rank: #28290 (-30)
15K → 20K
43:55 | 14:08/mi
Half· 13.11 mi
2:50:45
Rank: #28295 (-5)
20K → Half
9:25 | 13:48/mi
25K· 15.53 mi
3:25:04
Rank: #28282 (+13)
Half → 25K
34:19 | 14:09/mi
30K· 18.64 mi
4:13:39
Rank: #28288 (-6)
25K → 30K
48:35 | 15:38/mi
20M
4:36:01
Rank: #28309 (-21)
30K → 20M
22:22 | 16:28/mi
21M
4:51:29
Rank: #28302 (+7)
20M → 21M
15:28 | 15:28/mi
35K· 21.75 mi
5:00:53
Rank: #28283 (+19)
21M → 35K
9:24 | 12:34/mi
23M
5:18:26
Rank: #28268 (+15)
35K → 23M
17:33 | 14:01/mi
24M
5:31:58
Rank: #28264 (+4)
23M → 24M
13:32 | 13:32/mi
40K· 24.85 mi
5:44:13
Rank: #28251 (+13)
24M → 40K
12:15 | 14:20/mi
25.2M
5:49:33
Rank: #28248 (+3)
40K → 25.2M
5:20 | 15:28/mi
Finish· 26.22 mi
6:03:49
Rank: #28261 (-13)
25.2M → Finish
14:16 | 14:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:50:45
Pace13:01 /mi
2nd Half
Distance13.11 mi
Time3:13:04
Pace14:44 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3035:4311:3035:43
11:30
-
10K
6.21 mi12:35:431:15:5612:1340:13
12:57
+1:27
15K
9.32 mi13:17:121:57:2512:3641:29
13:21
+0:24
20K
12.43 mi14:01:072:41:2012:5943:55
14:08
+0:47
Half
13.11 mi14:10:322:50:4513:019:25
13:48
-0:20
25K
15.53 mi14:44:513:25:0413:1234:19
14:09
+0:21
30K
18.64 mi15:33:264:13:3913:3648:35
15:38
+1:29
20M
20.00 mi15:55:484:36:0113:4822:22
16:28
+0:50
21M
21.00 mi16:11:164:51:2913:5315:28
15:28
-1:00
35K
21.75 mi16:20:405:00:5313:509:24
12:34
-2:54
23M
23.00 mi16:38:135:18:2613:5117:33
14:01
+1:27
24M
24.00 mi16:51:455:31:5813:5013:32
13:32
-0:29
40K
24.85 mi17:04:005:44:1313:5112:15
14:20
+0:48
25.2M
25.20 mi17:09:205:49:3313:525:20
15:28
+1:08
Finish
26.22 mi17:23:366:03:4913:5314:16
14:00
-1:28

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

11:30 /mi

Average Pace

13:53 /mi

Slowest Pace

16:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:49

35% of race

Time at Steady Pace

2:25:15

40% of race

Time at Slower Pace

1:31:45

25% of race

Average Pace: 13:53 /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 mi11:55:3035:4311:3035:43
11:30
#28006
10K
6.21 mi12:35:431:15:5612:1340:13
12:57
#28218
15K
9.32 mi13:17:121:57:2512:3641:29
13:21
#28260
20K
12.43 mi14:01:072:41:2012:5943:55
14:08
#28290
Half
13.11 mi14:10:322:50:4513:019:25
13:48
#28295
25K
15.53 mi14:44:513:25:0413:1234:19
14:09
#28282
30K
18.64 mi15:33:264:13:3913:3648:35
15:38
#28288
20M
20.00 mi15:55:484:36:0113:4822:22
16:28
#28309
21M
21.00 mi16:11:164:51:2913:5315:28
15:28
#28302
35K
21.75 mi16:20:405:00:5313:509:24
12:34
#28283
23M
23.00 mi16:38:135:18:2613:5117:33
14:01
#28268
24M
24.00 mi16:51:455:31:5813:5013:32
13:32
#28264
40K
24.85 mi17:04:005:44:1313:5112:15
14:20
#28251
25.2M
25.20 mi17:09:205:49:3313:525:20
15:28
#28248
Finish
26.22 mi17:23:366:03:4913:5314:16
14:00
#28261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi28006119681196828277(Top 100%)12159(Top 99%)12159(Top 708%)
10K6.21 mi3.10 mi28218-21212109-14112109-14128311(Top 100%)12175(Top 100%)12175(Top 709%)
15K9.32 mi3.11 mi28260-4212141-3212141-3228277(Top 100%)12159(Top 99%)12159(Top 708%)
20K12.43 mi3.11 mi28290-3012159-1812159-1828271(Top 100%)12165(Top 99%)12165(Top 708%)
Half13.11 mi0.68 mi28295-512163-412163-428238(Top 99%)12151(Top 99%)12151(Top 707%)
25K15.53 mi2.42 mi28282+1312161+212161+227963(Top 98%)11991(Top 98%)11991(Top 698%)
30K18.64 mi3.11 mi28288-612171-1012171-1028203(Top 99%)12144(Top 99%)12144(Top 707%)
20M20.00 mi1.36 mi28309-2112183-1212183-1228246(Top 99%)12169(Top 100%)12169(Top 708%)
21M21.00 mi1.00 mi28302+712181+212181+227504(Top 97%)11820(Top 97%)11820(Top 688%)
35K21.75 mi0.75 mi28283+1912172+912172+926527(Top 93%)11352(Top 93%)11352(Top 661%)
23M23.00 mi1.25 mi28268+1512167+512167+527341(Top 96%)11776(Top 96%)11776(Top 685%)
24M24.00 mi1.00 mi28264+412165+212165+227352(Top 96%)11826(Top 97%)11826(Top 688%)
40K24.85 mi0.85 mi28251+1312159+612159+627410(Top 97%)11830(Top 97%)11830(Top 689%)
25.2M25.20 mi0.35 mi28248+312158+112158+127435(Top 97%)11864(Top 97%)11864(Top 691%)
Finish26.22 mi1.02 mi28261-1312165-712165-728043(Top 99%)12105(Top 99%)12105(Top 705%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

28277

Females

12159

F40-44

12159

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28311

Females

12175

F40-44

12175

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

28277

Females

12159

F40-44

12159

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

28271

Females

12165

F40-44

12165

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28238

Females

12151

F40-44

12151

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27963

Females

11991

F40-44

11991

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28203

Females

12144

F40-44

12144

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28246

Females

12169

F40-44

12169

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27504

Females

11820

F40-44

11820

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26527

Females

11352

F40-44

11352

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27341

Females

11776

F40-44

11776

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27352

Females

11826

F40-44

11826

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27410

Females

11830

F40-44

11830

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27435

Females

11864

F40-44

11864

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28043

Females

12105

F40-44

12105

Passing Analysis

Category:
Athletes Passed
154
Passed By
409
Net Change
-255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28006
5K → 10K14226-212#28006#28218
10K → 15K1456-42#28218#28260
15K → 20K939-30#28260#28290
20K → Half16-5#28290#28295
Half → 25K218+13#28295#28282
25K → 30K1723-6#28282#28288
30K → 20M021-21#28288#28309
20M → 21M114+7#28309#28302
21M → 35K190+19#28302#28283
35K → 23M183+15#28283#28268
23M → 24M73+4#28268#28264
24M → 40K141+13#28264#28251
40K → 25.2M52+3#28251#28248
25.2M → Finish417-13#28248#28261
TOTALS154409-255
📊

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