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BOSTON MARATHON 2025

Lindsay Kosan

Bib: 26033•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
34:48
Rank: #27761
Start → 5K
34:48 | 11:12/mi
10K· 6.21 mi
1:11:15
Rank: #27794 (-33)
5K → 10K
36:27 | 11:44/mi
15K· 9.32 mi
1:48:26
Rank: #27748 (+46)
10K → 15K
37:11 | 11:58/mi
20K· 12.43 mi
2:27:20
Rank: #27708 (+40)
15K → 20K
38:54 | 12:31/mi
Half· 13.11 mi
2:36:11
Rank: #27739 (-31)
20K → Half
8:51 | 12:58/mi
25K· 15.53 mi
3:07:51
Rank: #27670 (+69)
Half → 25K
31:40 | 13:04/mi
30K· 18.64 mi
3:51:47
Rank: #27680 (-10)
25K → 30K
43:56 | 14:08/mi
20M
4:10:11
Rank: #27623 (+57)
30K → 20M
18:24 | 13:32/mi
21M
4:23:35
Rank: #27547 (+76)
20M → 21M
13:24 | 13:24/mi
35K· 21.75 mi
4:33:34
Rank: #27557 (-10)
21M → 35K
9:59 | 13:21/mi
23M
4:51:19
Rank: #27568 (-11)
35K → 23M
17:45 | 14:11/mi
24M
5:04:40
Rank: #27567 (+1)
23M → 24M
13:21 | 13:21/mi
40K· 24.85 mi
5:15:36
Rank: #27527 (+40)
24M → 40K
10:56 | 12:47/mi
25.2M
5:20:08
Rank: #27503 (+24)
40K → 25.2M
4:32 | 13:09/mi
Finish· 26.22 mi
5:31:41
Rank: #27474 (+29)
25.2M → Finish
11:33 | 11:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:11
Pace11:55 /mi
2nd Half
Distance13.11 mi
Time2:55:30
Pace13:23 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1534:4811:1234:48
11:12
-
10K
6.21 mi12:26:421:11:1511:2836:27
11:44
+0:32
15K
9.32 mi13:03:531:48:2611:3837:11
11:58
+0:14
20K
12.43 mi13:42:472:27:2011:5138:54
12:31
+0:33
Half
13.11 mi13:51:382:36:1111:558:51
12:58
+0:27
25K
15.53 mi14:23:183:07:5112:0631:40
13:04
+0:06
30K
18.64 mi15:07:143:51:4712:2643:56
14:08
+1:04
20M
20.00 mi15:25:384:10:1112:3118:24
13:32
-0:36
21M
21.00 mi15:39:024:23:3512:3313:24
13:24
-0:08
35K
21.75 mi15:49:014:33:3412:359:59
13:21
-0:03
23M
23.00 mi16:06:464:51:1912:4017:45
14:11
+0:50
24M
24.00 mi16:20:075:04:4012:4213:21
13:21
-0:50
40K
24.85 mi16:31:035:15:3612:4210:56
12:47
-0:34
25.2M
25.20 mi16:35:355:20:0812:424:32
13:09
+0:22
Finish
26.22 mi16:47:085:31:4112:4011:33
11:20
-1:49

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

11:12 /mi

Average Pace

12:40 /mi

Slowest Pace

14:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:53

48% of race

Time at Steady Pace

1:32:43

28% of race

Time at Slower Pace

1:20:05

24% of race

Average Pace: 12:39 /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 mi11:50:1534:4811:1234:48
11:12
#27761
10K
6.21 mi12:26:421:11:1511:2836:27
11:44
#27794
15K
9.32 mi13:03:531:48:2611:3837:11
11:58
#27748
20K
12.43 mi13:42:472:27:2011:5138:54
12:31
#27708
Half
13.11 mi13:51:382:36:1111:558:51
12:58
#27739
25K
15.53 mi14:23:183:07:5112:0631:40
13:04
#27670
30K
18.64 mi15:07:143:51:4712:2643:56
14:08
#27680
20M
20.00 mi15:25:384:10:1112:3118:24
13:32
#27623
21M
21.00 mi15:39:024:23:3512:3313:24
13:24
#27547
35K
21.75 mi15:49:014:33:3412:359:59
13:21
#27557
23M
23.00 mi16:06:464:51:1912:4017:45
14:11
#27568
24M
24.00 mi16:20:075:04:4012:4213:21
13:21
#27567
40K
24.85 mi16:31:035:15:3612:4210:56
12:47
#27527
25.2M
25.20 mi16:35:355:20:0812:424:32
13:09
#27503
Finish
26.22 mi16:47:085:31:4112:4011:33
11:20
#27474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27761118021180227597(Top 97%)11746(Top 96%)11746(Top 215%)
10K6.21 mi3.10 mi27794-3311824-2211824-2227782(Top 98%)11828(Top 97%)11828(Top 216%)
15K9.32 mi3.11 mi27748+4611811+1311811+1327597(Top 97%)11746(Top 96%)11746(Top 215%)
20K12.43 mi3.11 mi27708+4011804+711804+727531(Top 97%)11715(Top 96%)11715(Top 214%)
Half13.11 mi0.68 mi27739-3111823-1911823-1927989(Top 99%)11998(Top 98%)11998(Top 219%)
25K15.53 mi2.42 mi27670+6911780+4311780+4327335(Top 96%)11611(Top 95%)11611(Top 212%)
30K18.64 mi3.11 mi27680-1011793-1311793-1327604(Top 97%)11836(Top 97%)11836(Top 216%)
20M20.00 mi1.36 mi27623+5711773+2011773+2026940(Top 95%)11525(Top 94%)11525(Top 211%)
21M21.00 mi1.00 mi27547+7611742+3111742+3125553(Top 90%)10836(Top 89%)10836(Top 198%)
35K21.75 mi0.75 mi27557-1011754-1211754-1227246(Top 96%)11718(Top 96%)11718(Top 214%)
23M23.00 mi1.25 mi27568-1111762-811762-827452(Top 97%)11833(Top 97%)11833(Top 216%)
24M24.00 mi1.00 mi27567+111763-111763-127191(Top 96%)11743(Top 96%)11743(Top 215%)
40K24.85 mi0.85 mi27527+4011744+1911744+1926041(Top 92%)11166(Top 91%)11166(Top 204%)
25.2M25.20 mi0.35 mi27503+2411732+1211732+1225221(Top 89%)10808(Top 88%)10808(Top 198%)
Finish26.22 mi1.02 mi27474+2911719+1311719+1325907(Top 91%)11106(Top 91%)11106(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27597

Females

11746

F18-39

11746

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27782

Females

11828

F18-39

11828

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27597

Females

11746

F18-39

11746

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27531

Females

11715

F18-39

11715

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

27989

Females

11998

F18-39

11998

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27335

Females

11611

F18-39

11611

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27604

Females

11836

F18-39

11836

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

26940

Females

11525

F18-39

11525

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25553

Females

10836

F18-39

10836

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27246

Females

11718

F18-39

11718

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27452

Females

11833

F18-39

11833

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27191

Females

11743

F18-39

11743

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26041

Females

11166

F18-39

11166

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25221

Females

10808

F18-39

10808

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25907

Females

11106

F18-39

11106

Passing Analysis

Category:
Athletes Passed
705
Passed By
418
Net Change
+287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27761
5K → 10K79112-33#27761#27794
10K → 15K10458+46#27794#27748
15K → 20K8444+40#27748#27708
20K → Half435-31#27708#27739
Half → 25K9425+69#27739#27670
25K → 30K4858-10#27670#27680
30K → 20M669+57#27680#27623
20M → 21M782+76#27623#27547
21M → 35K919-10#27547#27557
35K → 23M2233-11#27557#27568
23M → 24M1918+1#27568#27567
24M → 40K433+40#27567#27527
40K → 25.2M251+24#27527#27503
25.2M → Finish301+29#27503#27474
TOTALS705418+287
📊

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