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BOSTON MARATHON 2025

Bailey Davin

Bib: 9773•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #6754
Start → 5K
6:51/mi
21:18 split
10K· 6.21 mi
42:30
Rank: #6675 (+79)
5K → 10K
6:49/mi
21:12 split
15K· 9.32 mi
1:03:34
Rank: #6418 (+257)
10K → 15K
6:47/mi
21:04 split
20K· 12.43 mi
1:24:50
Rank: #6189 (+229)
15K → 20K
6:51/mi
21:16 split
Half· 13.11 mi
1:29:26
Rank: #6147 (+42)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:46:05
Rank: #5977 (+170)
Half → 25K
6:52/mi
16:39 split
30K· 18.64 mi
2:08:26
Rank: #5892 (+85)
25K → 30K
7:12/mi
22:21 split
20M
2:18:19
Rank: #5842 (+50)
30K → 20M
7:16/mi
9:53 split
21M
2:26:07
Rank: #5805 (+37)
20M → 21M
7:48/mi
7:48 split
35K· 21.75 mi
2:31:31
Rank: #5812 (-7)
21M → 35K
7:13/mi
5:24 split
23M
2:40:59
Rank: #5808 (+4)
35K → 23M
7:34/mi
9:28 split
24M
2:48:25
Rank: #5804 (+4)
23M → 24M
7:26/mi
7:26 split
40K· 24.85 mi
2:55:02
Rank: #5843 (-39)
24M → 40K
7:44/mi
6:37 split
25.2M
2:58:06
Rank: #5887 (-44)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:06:02
Rank: #5996 (-109)
25.2M → Finish
7:47/mi
7:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:26
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2021:186:5121:18
6:51
-
10K
6.21 mi11:08:3242:306:5021:12
6:49
-0:02
15K
9.32 mi11:29:361:03:346:4921:04
6:47
-0:02
20K
12.43 mi11:50:521:24:506:5021:16
6:51
+0:04
Half
13.11 mi11:55:281:29:266:494:36
6:45
-0:06
25K
15.53 mi12:12:071:46:056:5016:39
6:52
+0:07
30K
18.64 mi12:34:282:08:266:5322:21
7:12
+0:20
20M
20.00 mi12:44:212:18:196:559:53
7:16
+0:04
21M
21.00 mi12:52:092:26:076:577:48
7:48
+0:32
35K
21.75 mi12:57:332:31:316:585:24
7:13
-0:35
23M
23.00 mi13:07:012:40:597:009:28
7:34
+0:21
24M
24.00 mi13:14:272:48:257:017:26
7:26
-0:08
40K
24.85 mi13:21:042:55:027:036:37
7:44
+0:18
25.2M
25.20 mi13:24:082:58:067:043:04
8:54
+1:10
Finish
26.22 mi13:32:043:06:027:067:56
7:47
-1:07

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

6:45 /mi

Average Pace

7:06 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:05

57% of race

Time at Steady Pace

45:04

24% of race

Time at Slower Pace

34:53

19% of race

Average Pace: 7:06 /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 mi10:47:2021:186:5121:18
6:51
#6754
10K
6.21 mi11:08:3242:306:5021:12
6:49
#6675
15K
9.32 mi11:29:361:03:346:4921:04
6:47
#6418
20K
12.43 mi11:50:521:24:506:5021:16
6:51
#6189
Half
13.11 mi11:55:281:29:266:494:36
6:45
#6147
25K
15.53 mi12:12:071:46:056:5016:39
6:52
#5977
30K
18.64 mi12:34:282:08:266:5322:21
7:12
#5892
20M
20.00 mi12:44:212:18:196:559:53
7:16
#5842
21M
21.00 mi12:52:092:26:076:577:48
7:48
#5805
35K
21.75 mi12:57:332:31:316:585:24
7:13
#5812
23M
23.00 mi13:07:012:40:597:009:28
7:34
#5808
24M
24.00 mi13:14:272:48:257:017:26
7:26
#5804
40K
24.85 mi13:21:042:55:027:036:37
7:44
#5843
25.2M
25.20 mi13:24:082:58:067:043:04
8:54
#5887
Finish
26.22 mi13:32:043:06:027:067:56
7:47
#5996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67546226225926(Top 21%)519(Top 4%)519(Top 9%)
10K6.21 mi3.10 mi6675+79618+4618+46672(Top 23%)635(Top 5%)635(Top 12%)
15K9.32 mi3.11 mi6418+257568+50568+505926(Top 21%)519(Top 4%)519(Top 9%)
20K12.43 mi3.11 mi6189+229541+27541+275759(Top 20%)501(Top 4%)501(Top 9%)
Half13.11 mi0.68 mi6147+42535+6535+65726(Top 20%)488(Top 4%)488(Top 9%)
25K15.53 mi2.42 mi5977+170525+10525+105437(Top 19%)480(Top 4%)480(Top 9%)
30K18.64 mi3.11 mi5892+85523+2523+25879(Top 21%)640(Top 5%)640(Top 12%)
20M20.00 mi1.36 mi5842+50529-6529-65638(Top 20%)693(Top 6%)693(Top 13%)
21M21.00 mi1.00 mi5805+37534-5534-56209(Top 22%)987(Top 8%)987(Top 18%)
35K21.75 mi0.75 mi5812-7544-10544-106751(Top 24%)1172(Top 10%)1172(Top 21%)
23M23.00 mi1.25 mi5808+4564-20564-206998(Top 25%)1390(Top 11%)1390(Top 25%)
24M24.00 mi1.00 mi5804+4579-15579-157264(Top 26%)1553(Top 13%)1553(Top 28%)
40K24.85 mi0.85 mi5843-39603-24603-248356(Top 29%)2139(Top 17%)2139(Top 39%)
25.2M25.20 mi0.35 mi5887-44619-16619-1611191(Top 39%)3565(Top 29%)3565(Top 65%)
Finish26.22 mi1.02 mi5996-109670-51670-5111326(Top 40%)3612(Top 30%)3612(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5926

Females

519

F18-39

519

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6672

Females

635

F18-39

635

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5926

Females

519

F18-39

519

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5759

Females

501

F18-39

501

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5726

Females

488

F18-39

488

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5437

Females

480

F18-39

480

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5879

Females

640

F18-39

640

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5638

Females

693

F18-39

693

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6209

Females

987

F18-39

987

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6751

Females

1172

F18-39

1172

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6998

Females

1390

F18-39

1390

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7264

Females

1553

F18-39

1553

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8356

Females

2139

F18-39

2139

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11191

Females

3565

F18-39

3565

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11326

Females

3612

F18-39

3612

Passing Analysis

Category:
Athletes Passed
1745
Passed By
987
Net Change
+758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6754
5K → 10K234155+79#6754#6675
10K → 15K30851+257#6675#6418
15K → 20K26839+229#6418#6189
20K → Half519+42#6189#6147
Half → 25K20737+170#6147#5977
25K → 30K226141+85#5977#5892
30K → 20M9444+50#5892#5842
20M → 21M8447+37#5842#5805
21M → 35K3643-7#5805#5812
35K → 23M9187+4#5812#5808
23M → 24M5955+4#5808#5804
24M → 40K3473-39#5804#5843
40K → 25.2M1862-44#5843#5887
25.2M → Finish35144-109#5887#5996
TOTALS1745987+758
📊

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