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BOSTON MARATHON 2025

Kaylee Andersen

Bib: 14909•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
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
25:01
Rank: #17034
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:12
Rank: #17117 (-83)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:15:33
Rank: #17133 (-16)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:42
Rank: #17240 (-107)
15K → 20K
26:09 | 8:25/mi
Half· 13.11 mi
1:47:16
Rank: #17211 (+29)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:07:56
Rank: #17189 (+22)
Half → 25K
20:40 | 8:31/mi
30K· 18.64 mi
2:35:54
Rank: #17225 (-36)
25K → 30K
27:58 | 9:00/mi
20M
2:48:21
Rank: #17251 (-26)
30K → 20M
12:27 | 9:10/mi
21M
2:57:48
Rank: #17140 (+111)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
3:04:20
Rank: #17119 (+21)
21M → 35K
6:32 | 8:44/mi
23M
3:15:37
Rank: #17051 (+68)
35K → 23M
11:17 | 9:01/mi
24M
3:24:15
Rank: #16953 (+98)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:31:51
Rank: #16907 (+46)
24M → 40K
7:36 | 8:53/mi
25.2M
3:35:10
Rank: #16862 (+45)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:43:51
Rank: #16853 (+9)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:16
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:56:35
Pace8:54 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1325:018:0325:01
8:03
-
10K
6.21 mi11:21:2450:128:0525:11
8:06
+0:03
15K
9.32 mi11:46:451:15:338:0625:21
8:10
+0:04
20K
12.43 mi12:12:541:41:428:1126:09
8:25
+0:15
Half
13.11 mi12:18:281:47:168:115:34
8:10
-0:15
25K
15.53 mi12:39:082:07:568:1420:40
8:31
+0:21
30K
18.64 mi13:07:062:35:548:2227:58
9:00
+0:29
20M
20.00 mi13:19:332:48:218:2512:27
9:10
+0:10
21M
21.00 mi13:29:002:57:488:289:27
9:27
+0:17
35K
21.75 mi13:35:323:04:208:296:32
8:44
-0:43
23M
23.00 mi13:46:493:15:378:3011:17
9:01
+0:17
24M
24.00 mi13:55:273:24:158:318:38
8:38
-0:23
40K
24.85 mi14:03:033:31:518:317:36
8:53
+0:15
25.2M
25.20 mi14:06:223:35:108:323:19
9:37
+0:44
Finish
26.22 mi14:15:033:43:518:338:41
8:31
-1:06

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

8:03 /mi

Average Pace

8:33 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:47

68% of race

Time at Steady Pace

1:08:45

31% of race

Time at Slower Pace

3:19

1% of race

Average Pace: 8:32 /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 mi10:56:1325:018:0325:01
8:03
#17034
10K
6.21 mi11:21:2450:128:0525:11
8:06
#17117
15K
9.32 mi11:46:451:15:338:0625:21
8:10
#17133
20K
12.43 mi12:12:541:41:428:1126:09
8:25
#17240
Half
13.11 mi12:18:281:47:168:115:34
8:10
#17211
25K
15.53 mi12:39:082:07:568:1420:40
8:31
#17189
30K
18.64 mi13:07:062:35:548:2227:58
9:00
#17225
20M
20.00 mi13:19:332:48:218:2512:27
9:10
#17251
21M
21.00 mi13:29:002:57:488:289:27
9:27
#17140
35K
21.75 mi13:35:323:04:208:296:32
8:44
#17119
23M
23.00 mi13:46:493:15:378:3011:17
9:01
#17051
24M
24.00 mi13:55:273:24:158:318:38
8:38
#16953
40K
24.85 mi14:03:033:31:518:317:36
8:53
#16907
25.2M
25.20 mi14:06:223:35:108:323:19
9:37
#16862
Finish
26.22 mi14:15:033:43:518:338:41
8:31
#16853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170345758575817149(Top 60%)5817(Top 48%)5817(Top 106%)
10K6.21 mi3.10 mi17117-835797-395797-3917251(Top 61%)5855(Top 48%)5855(Top 107%)
15K9.32 mi3.11 mi17133-165789+85789+817149(Top 60%)5817(Top 48%)5817(Top 106%)
20K12.43 mi3.11 mi17240-1075882-935882-9317658(Top 62%)6142(Top 50%)6142(Top 112%)
Half13.11 mi0.68 mi17211+295869+135869+1317072(Top 60%)5810(Top 48%)5810(Top 106%)
25K15.53 mi2.42 mi17189+225875-65875-617351(Top 61%)6053(Top 50%)6053(Top 111%)
30K18.64 mi3.11 mi17225-365947-725947-7217710(Top 62%)6418(Top 52%)6418(Top 117%)
20M20.00 mi1.36 mi17251-265997-505997-5017608(Top 62%)6472(Top 53%)6472(Top 118%)
21M21.00 mi1.00 mi17140+1115960+375960+3715877(Top 56%)5646(Top 46%)5646(Top 103%)
35K21.75 mi0.75 mi17119+215976-165976-1616913(Top 60%)6283(Top 51%)6283(Top 115%)
23M23.00 mi1.25 mi17051+685964+125964+1216342(Top 58%)6079(Top 50%)6079(Top 111%)
24M24.00 mi1.00 mi16953+985927+375927+3715377(Top 54%)5588(Top 46%)5588(Top 102%)
40K24.85 mi0.85 mi16907+465934-75934-715727(Top 55%)5911(Top 48%)5911(Top 108%)
25.2M25.20 mi0.35 mi16862+455925+95925+915249(Top 54%)5690(Top 47%)5690(Top 104%)
Finish26.22 mi1.02 mi16853+95937-125937-1216373(Top 58%)6233(Top 51%)6233(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17149

Females

5817

F18-39

5817

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17251

Females

5855

F18-39

5855

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17149

Females

5817

F18-39

5817

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17658

Females

6142

F18-39

6142

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17072

Females

5810

F18-39

5810

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17351

Females

6053

F18-39

6053

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17710

Females

6418

F18-39

6418

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17608

Females

6472

F18-39

6472

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15877

Females

5646

F18-39

5646

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16913

Females

6283

F18-39

6283

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16342

Females

6079

F18-39

6079

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15377

Females

5588

F18-39

5588

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15727

Females

5911

F18-39

5911

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15249

Females

5690

F18-39

5690

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16373

Females

6233

F18-39

6233

Passing Analysis

Category:
Athletes Passed
1888
Passed By
1707
Net Change
+181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17034
5K → 10K265348-83#17034#17117
10K → 15K193209-16#17117#17133
15K → 20K154261-107#17133#17240
20K → Half4617+29#17240#17211
Half → 25K177155+22#17211#17189
25K → 30K211247-36#17189#17225
30K → 20M101127-26#17225#17251
20M → 21M15948+111#17251#17140
21M → 35K7554+21#17140#17119
35K → 23M13971+68#17119#17051
23M → 24M12931+98#17051#16953
24M → 40K9751+46#16953#16907
40K → 25.2M6015+45#16907#16862
25.2M → Finish8273+9#16862#16853
TOTALS18881707+181
📊

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