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BOSTON MARATHON 2025

Alexis Kaihlanen

Bib: 30000•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:00
Rank: #22468
Start → 5K
28:00 | 9:01/mi
10K· 6.21 mi
55:25
Rank: #22051 (+417)
5K → 10K
27:25 | 8:49/mi
15K· 9.32 mi
1:22:43
Rank: #21682 (+369)
10K → 15K
27:18 | 8:47/mi
20K· 12.43 mi
1:50:32
Rank: #21421 (+261)
15K → 20K
27:49 | 8:57/mi
Half· 13.11 mi
1:56:36
Rank: #21413 (+8)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:18:47
Rank: #21273 (+140)
Half → 25K
22:11 | 9:09/mi
30K· 18.64 mi
2:49:02
Rank: #21185 (+88)
25K → 30K
30:15 | 9:44/mi
20M
3:02:49
Rank: #21209 (-24)
30K → 20M
13:47 | 10:09/mi
21M
3:13:53
Rank: #21264 (-55)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
3:21:38
Rank: #21340 (-76)
21M → 35K
7:45 | 10:22/mi
23M
3:34:52
Rank: #21400 (-60)
35K → 23M
13:14 | 10:34/mi
24M
3:46:13
Rank: #21602 (-202)
23M → 24M
11:21 | 11:21/mi
40K· 24.85 mi
3:55:29
Rank: #21660 (-58)
24M → 40K
9:16 | 10:50/mi
25.2M
3:59:09
Rank: #21610 (+50)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:08:19
Rank: #21513 (+97)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:36
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:11:43
Pace10:03 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0828:009:0128:00
9:01
-
10K
6.21 mi12:16:3355:258:5527:25
8:49
-0:12
15K
9.32 mi12:43:511:22:438:5227:18
8:47
-0:02
20K
12.43 mi13:11:401:50:328:5427:49
8:57
+0:10
Half
13.11 mi13:17:441:56:368:546:04
8:54
-0:03
25K
15.53 mi13:39:552:18:478:5622:11
9:09
+0:15
30K
18.64 mi14:10:102:49:029:0430:15
9:44
+0:35
20M
20.00 mi14:23:573:02:499:0813:47
10:09
+0:25
21M
21.00 mi14:35:013:13:539:1411:04
11:04
+0:55
35K
21.75 mi14:42:463:21:389:167:45
10:22
-0:42
23M
23.00 mi14:56:003:34:529:2113:14
10:34
+0:12
24M
24.00 mi15:07:213:46:139:2611:21
11:21
+0:47
40K
24.85 mi15:16:373:55:299:289:16
10:50
-0:31
25.2M
25.20 mi15:20:173:59:099:293:40
10:38
-0:12
Finish
26.22 mi15:29:274:08:199:299:10
9:00
-1:38

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

8:47 /mi

Average Pace

9:29 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:57

60% of race

Time at Steady Pace

44:02

18% of race

Time at Slower Pace

56:20

23% of race

Average Pace: 9:28 /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 mi11:49:0828:009:0128:00
9:01
#22468
10K
6.21 mi12:16:3355:258:5527:25
8:49
#22051
15K
9.32 mi12:43:511:22:438:5227:18
8:47
#21682
20K
12.43 mi13:11:401:50:328:5427:49
8:57
#21421
Half
13.11 mi13:17:441:56:368:546:04
8:54
#21413
25K
15.53 mi13:39:552:18:478:5622:11
9:09
#21273
30K
18.64 mi14:10:102:49:029:0430:15
9:44
#21185
20M
20.00 mi14:23:573:02:499:0813:47
10:09
#21209
21M
21.00 mi14:35:013:13:539:1411:04
11:04
#21264
35K
21.75 mi14:42:463:21:389:167:45
10:22
#21340
23M
23.00 mi14:56:003:34:529:2113:14
10:34
#21400
24M
24.00 mi15:07:213:46:139:2611:21
11:21
#21602
40K
24.85 mi15:16:373:55:299:289:16
10:50
#21660
25.2M
25.20 mi15:20:173:59:099:293:40
10:38
#21610
Finish
26.22 mi15:29:274:08:199:299:10
9:00
#21513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224688887888720976(Top 74%)7990(Top 65%)7990(Top 146%)
10K6.21 mi3.10 mi22051+4178642+2458642+24521533(Top 76%)8328(Top 68%)8328(Top 152%)
15K9.32 mi3.11 mi21682+3698421+2218421+22120976(Top 74%)7990(Top 65%)7990(Top 146%)
20K12.43 mi3.11 mi21421+2618275+1468275+14620747(Top 73%)7920(Top 65%)7920(Top 145%)
Half13.11 mi0.68 mi21413+88270+58270+521403(Top 75%)8264(Top 68%)8264(Top 151%)
25K15.53 mi2.42 mi21273+1408197+738197+7320573(Top 72%)7859(Top 64%)7859(Top 144%)
30K18.64 mi3.11 mi21185+888184+138184+1320806(Top 73%)8124(Top 66%)8124(Top 149%)
20M20.00 mi1.36 mi21209-248224-408224-4021421(Top 75%)8588(Top 70%)8588(Top 157%)
21M21.00 mi1.00 mi21264-558263-398263-3921596(Top 76%)8763(Top 72%)8763(Top 160%)
35K21.75 mi0.75 mi21340-768314-518314-5122850(Top 80%)9463(Top 77%)9463(Top 173%)
23M23.00 mi1.25 mi21400-608379-658379-6522187(Top 78%)9162(Top 75%)9162(Top 168%)
24M24.00 mi1.00 mi21602-2028510-1318510-13124653(Top 87%)10459(Top 86%)10459(Top 191%)
40K24.85 mi0.85 mi21660-588574-648574-6422778(Top 80%)9589(Top 78%)9589(Top 175%)
25.2M25.20 mi0.35 mi21610+508550+248550+2419552(Top 69%)7939(Top 65%)7939(Top 145%)
Finish26.22 mi1.02 mi21513+978505+458505+4519072(Top 67%)7651(Top 63%)7651(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20976

Females

7990

F18-39

7990

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21533

Females

8328

F18-39

8328

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20976

Females

7990

F18-39

7990

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20747

Females

7920

F18-39

7920

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21403

Females

8264

F18-39

8264

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20573

Females

7859

F18-39

7859

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20806

Females

8124

F18-39

8124

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21421

Females

8588

F18-39

8588

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21596

Females

8763

F18-39

8763

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22850

Females

9463

F18-39

9463

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22187

Females

9162

F18-39

9162

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24653

Females

10459

F18-39

10459

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22778

Females

9589

F18-39

9589

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19552

Females

7939

F18-39

7939

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19072

Females

7651

F18-39

7651

Passing Analysis

Category:
Athletes Passed
2248
Passed By
1293
Net Change
+955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22468
5K → 10K518101+417#22468#22051
10K → 15K42960+369#22051#21682
15K → 20K33574+261#21682#21421
20K → Half3527+8#21421#21413
Half → 25K21575+140#21413#21273
25K → 30K232144+88#21273#21185
30K → 20M93117-24#21185#21209
20M → 21M65120-55#21209#21264
21M → 35K30106-76#21264#21340
35K → 23M78138-60#21340#21400
23M → 24M15217-202#21400#21602
24M → 40K4098-58#21602#21660
40K → 25.2M522+50#21660#21610
25.2M → Finish11114+97#21610#21513
TOTALS22481293+955
📊

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