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BOSTON MARATHON 2025

Lindy Bailey

Bib: 15863•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
49:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:15:41
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:41:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:47:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:07:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:34:32
↑ 181↓ 1480.2%
20M
9:21/mi
2:47:14
↑ 64↓ 500.2%
21M
9:03/mi
2:56:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:02:46
↑ 17↓ 861.7%
23M
8:52/mi
3:13:52
↑ 23↓ 630.6%
24M
8:23/mi
3:22:15
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:29:33
↓ 200.3%
25.2M
9:14/mi
3:32:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:40:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:20
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:53:36
Pace8:40 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1324:107:4724:10
7:47
-
10K
6.21 mi11:21:5849:558:0225:45
8:17
+0:30
15K
9.32 mi11:47:441:15:418:0725:46
8:18
+0:01
20K
12.43 mi12:13:431:41:408:1125:59
8:22
+0:04
Half
13.11 mi12:19:231:47:208:115:40
8:18
-0:04
25K
15.53 mi12:39:362:07:338:1320:13
8:20
+0:02
30K
18.64 mi13:06:352:34:328:1726:59
8:41
+0:21
20M
20.00 mi13:19:172:47:148:2212:42
9:21
+0:40
21M
21.00 mi13:28:202:56:178:249:03
9:03
-0:18
35K
21.75 mi13:34:493:02:468:246:29
8:40
-0:23
23M
23.00 mi13:45:553:13:528:2611:06
8:52
+0:12
24M
24.00 mi13:54:183:22:158:268:23
8:23
-0:29
40K
24.85 mi14:01:363:29:338:267:18
8:32
+0:09
25.2M
25.20 mi14:04:473:32:448:273:11
9:14
+0:42
Finish
26.22 mi14:12:593:40:568:268:12
8:03
-1:11

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

7:47 /mi

Average Pace

8:26 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:22

15% of race

Time at Steady Pace

1:59:04

54% of race

Time at Slower Pace

1:09:30

31% of race

Average Pace: 8:26 /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 mi10:56:1324:107:4724:10
7:47
#14641
10K
6.21 mi11:21:5849:558:0225:45
8:17
#16787
15K
9.32 mi11:47:441:15:418:0725:46
8:18
#17232
20K
12.43 mi12:13:431:41:408:1125:59
8:22
#17219
Half
13.11 mi12:19:231:47:208:115:40
8:18
#17247
25K
15.53 mi12:39:362:07:338:1320:13
8:20
#17020
30K
18.64 mi13:06:352:34:328:1726:59
8:41
#16774
20M
20.00 mi13:19:172:47:148:2212:42
9:21
#16898
21M
21.00 mi13:28:202:56:178:249:03
9:03
#16668
35K
21.75 mi13:34:493:02:468:246:29
8:40
#16640
23M
23.00 mi13:45:553:13:528:2611:06
8:52
#16525
24M
24.00 mi13:54:183:22:158:268:23
8:23
#16391
40K
24.85 mi14:01:363:29:338:267:18
8:32
#16279
25.2M
25.20 mi14:04:473:32:448:273:11
9:14
#16225
Finish
26.22 mi14:12:593:40:568:268:12
8:03
#16102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146414311431118011(Top 63%)6322(Top 52%)6322(Top 116%)
10K6.21 mi3.10 mi16787-21465607-12965607-129618475(Top 65%)6583(Top 54%)6583(Top 120%)
15K9.32 mi3.11 mi17232-4455850-2435850-24318011(Top 63%)6322(Top 52%)6322(Top 116%)
20K12.43 mi3.11 mi17219+135870-205870-2017318(Top 61%)5953(Top 49%)5953(Top 109%)
Half13.11 mi0.68 mi17247-285893-235893-2317970(Top 63%)6287(Top 51%)6287(Top 115%)
25K15.53 mi2.42 mi17020+2275776+1175776+11716178(Top 57%)5415(Top 44%)5415(Top 99%)
30K18.64 mi3.11 mi16774+2465681+955681+9515909(Top 56%)5410(Top 44%)5410(Top 99%)
20M20.00 mi1.36 mi16898-1245781-1005781-10018510(Top 65%)7003(Top 57%)7003(Top 128%)
21M21.00 mi1.00 mi16668+2305681+1005681+10013844(Top 49%)4550(Top 37%)4550(Top 83%)
35K21.75 mi0.75 mi16640+285686-55686-516499(Top 58%)6058(Top 50%)6058(Top 111%)
23M23.00 mi1.25 mi16525+1155650+365650+3615502(Top 55%)5604(Top 46%)5604(Top 102%)
24M24.00 mi1.00 mi16391+1345604+465604+4613805(Top 49%)4728(Top 39%)4728(Top 86%)
40K24.85 mi0.85 mi16279+1125560+445560+4413704(Top 48%)4815(Top 39%)4815(Top 88%)
25.2M25.20 mi0.35 mi16225+545539+215539+2113188(Top 46%)4607(Top 38%)4607(Top 84%)
Finish26.22 mi1.02 mi16102+1235490+495490+4913239(Top 47%)4579(Top 37%)4579(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

18011

Females

6322

F18-39

6322

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18475

Females

6583

F18-39

6583

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

18011

Females

6322

F18-39

6322

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17318

Females

5953

F18-39

5953

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

17970

Females

6287

F18-39

6287

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16178

Females

5415

F18-39

5415

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15909

Females

5410

F18-39

5410

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18510

Females

7003

F18-39

7003

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13844

Females

4550

F18-39

4550

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16499

Females

6058

F18-39

6058

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15502

Females

5604

F18-39

5604

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13805

Females

4728

F18-39

4728

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13704

Females

4815

F18-39

4815

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13188

Females

4607

F18-39

4607

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13239

Females

4579

F18-39

4579

Passing Analysis

Category:
Athletes Passed
1971
Passed By
3432
Net Change
-1461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14641
5K → 10K172163-2146#14641#16787
10K → 15K84529-445#16787#17232
15K → 20K196183+13#17232#17219
20K → Half2250-28#17219#17247
Half → 25K27851+227#17247#17020
25K → 30K347101+246#17020#16774
30K → 20M65189-124#16774#16898
20M → 21M24212+230#16898#16668
21M → 35K7345+28#16668#16640
35K → 23M16348+115#16640#16525
23M → 24M15420+134#16525#16391
24M → 40K13119+112#16391#16279
40K → 25.2M573+54#16279#16225
25.2M → Finish14219+123#16225#16102
TOTALS19713432-1461
📊

Passing Visuals

Category:
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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