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BOSTON MARATHON 2025

Lily Collyer

Bib: 32094•F

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
26:48
Rank: #20613
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
53:19
Rank: #20301 (+312)
5K → 10K
26:31 | 8:32/mi
15K· 9.32 mi
1:19:27
Rank: #19826 (+475)
10K → 15K
26:08 | 8:25/mi
20K· 12.43 mi
1:45:45
Rank: #19330 (+496)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:51:20
Rank: #19219 (+111)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:12:09
Rank: #18941 (+278)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:39:56
Rank: #18636 (+305)
25K → 30K
27:47 | 8:57/mi
20M
2:52:15
Rank: #18506 (+130)
30K → 20M
12:19 | 9:04/mi
21M
3:01:53
Rank: #18369 (+137)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
3:08:24
Rank: #18302 (+67)
21M → 35K
6:31 | 8:43/mi
23M
3:19:34
Rank: #18147 (+155)
35K → 23M
11:10 | 8:55/mi
24M
3:28:24
Rank: #18049 (+98)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:36:06
Rank: #17974 (+75)
24M → 40K
7:42 | 9:00/mi
25.2M
3:39:31
Rank: #17959 (+15)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:48:07
Rank: #17875 (+84)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:20
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:56:47
Pace8:55 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5126:488:3826:48
8:38
-
10K
6.21 mi12:16:2253:198:3526:31
8:32
-0:06
15K
9.32 mi12:42:301:19:278:3126:08
8:25
-0:07
20K
12.43 mi13:08:481:45:458:3126:18
8:28
+0:03
Half
13.11 mi13:14:231:51:208:305:35
8:11
-0:17
25K
15.53 mi13:35:122:12:098:3020:49
8:35
+0:24
30K
18.64 mi14:02:592:39:568:3527:47
8:57
+0:22
20M
20.00 mi14:15:182:52:158:3712:19
9:04
+0:07
21M
21.00 mi14:24:563:01:538:409:38
9:38
+0:34
35K
21.75 mi14:31:273:08:248:406:31
8:43
-0:55
23M
23.00 mi14:42:373:19:348:4111:10
8:55
+0:12
24M
24.00 mi14:51:273:28:248:418:50
8:50
-0:05
40K
24.85 mi14:59:093:36:068:427:42
9:00
+0:10
25.2M
25.20 mi15:02:343:39:318:433:25
9:54
+0:54
Finish
26.22 mi15:11:103:48:078:428:36
8:26
-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

8:11 /mi

Average Pace

8:42 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:37

29% of race

Time at Steady Pace

1:40:39

44% of race

Time at Slower Pace

1:00:51

27% of race

Average Pace: 8:42 /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 mi11:49:5126:488:3826:48
8:38
#20613
10K
6.21 mi12:16:2253:198:3526:31
8:32
#20301
15K
9.32 mi12:42:301:19:278:3126:08
8:25
#19826
20K
12.43 mi13:08:481:45:458:3126:18
8:28
#19330
Half
13.11 mi13:14:231:51:208:305:35
8:11
#19219
25K
15.53 mi13:35:122:12:098:3020:49
8:35
#18941
30K
18.64 mi14:02:592:39:568:3527:47
8:57
#18636
20M
20.00 mi14:15:182:52:158:3712:19
9:04
#18506
21M
21.00 mi14:24:563:01:538:409:38
9:38
#18369
35K
21.75 mi14:31:273:08:248:406:31
8:43
#18302
23M
23.00 mi14:42:373:19:348:4111:10
8:55
#18147
24M
24.00 mi14:51:273:28:248:418:50
8:50
#18049
40K
24.85 mi14:59:093:36:068:427:42
9:00
#17974
25.2M
25.20 mi15:02:343:39:318:433:25
9:54
#17959
Finish
26.22 mi15:11:103:48:078:428:36
8:26
#17875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi206137862786218783(Top 66%)6773(Top 55%)6773(Top 124%)
10K6.21 mi3.10 mi20301+3127648+2147648+21420003(Top 70%)7463(Top 61%)7463(Top 136%)
15K9.32 mi3.11 mi19826+4757361+2877361+28718783(Top 66%)6773(Top 55%)6773(Top 124%)
20K12.43 mi3.11 mi19330+4967099+2627099+26218001(Top 63%)6341(Top 52%)6341(Top 116%)
Half13.11 mi0.68 mi19219+1117035+647035+6417243(Top 61%)5908(Top 48%)5908(Top 108%)
25K15.53 mi2.42 mi18941+2786883+1526883+15217736(Top 62%)6272(Top 51%)6272(Top 115%)
30K18.64 mi3.11 mi18636+3056739+1446739+14417387(Top 61%)6240(Top 51%)6240(Top 114%)
20M20.00 mi1.36 mi18506+1306696+436696+4317158(Top 60%)6229(Top 51%)6229(Top 114%)
21M21.00 mi1.00 mi18369+1376647+496647+4916728(Top 59%)6110(Top 50%)6110(Top 112%)
35K21.75 mi0.75 mi18302+676625+226625+2216791(Top 59%)6215(Top 51%)6215(Top 114%)
23M23.00 mi1.25 mi18147+1556576+496576+4915824(Top 56%)5795(Top 47%)5795(Top 106%)
24M24.00 mi1.00 mi18049+986542+346542+3416521(Top 58%)6219(Top 51%)6219(Top 114%)
40K24.85 mi0.85 mi17974+756533+96533+916369(Top 58%)6246(Top 51%)6246(Top 114%)
25.2M25.20 mi0.35 mi17959+156529+46529+416649(Top 59%)6417(Top 52%)6417(Top 117%)
Finish26.22 mi1.02 mi17875+846502+276502+2715865(Top 56%)5954(Top 49%)5954(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18783

Females

6773

F18-39

6773

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

20003

Females

7463

F18-39

7463

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18783

Females

6773

F18-39

6773

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

18001

Females

6341

F18-39

6341

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17243

Females

5908

F18-39

5908

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17736

Females

6272

F18-39

6272

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17387

Females

6240

F18-39

6240

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17158

Females

6229

F18-39

6229

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16728

Females

6110

F18-39

6110

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16791

Females

6215

F18-39

6215

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15824

Females

5795

F18-39

5795

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16521

Females

6219

F18-39

6219

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16369

Females

6246

F18-39

6246

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16649

Females

6417

F18-39

6417

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15865

Females

5954

F18-39

5954

Passing Analysis

Category:
Athletes Passed
3334
Passed By
596
Net Change
+2738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20613
5K → 10K477165+312#20613#20301
10K → 15K50530+475#20301#19826
15K → 20K51418+496#19826#19330
20K → Half1132+111#19330#19219
Half → 25K31739+278#19219#18941
25K → 30K39489+305#18941#18636
30K → 20M17646+130#18636#18506
20M → 21M17336+137#18506#18369
21M → 35K9225+67#18369#18302
35K → 23M18833+155#18302#18147
23M → 24M12224+98#18147#18049
24M → 40K10530+75#18049#17974
40K → 25.2M3621+15#17974#17959
25.2M → Finish12238+84#17959#17875
TOTALS3334596+2738
📊

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