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BOSTON MARATHON 2025

Lindsay Boyko

Bib: 21833•F

MB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:30/mi
26:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:19:47
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:46:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:52:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:44/mi
2:13:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:41:29
↑ 181↓ 1480.2%
20M
9:33/mi
2:54:27
↑ 64↓ 500.2%
21M
10:14/mi
3:04:41
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:11:35
↑ 17↓ 861.7%
23M
9:45/mi
3:23:48
↑ 23↓ 630.6%
24M
9:40/mi
3:33:28
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:41:57
↓ 200.3%
25.2M
10:38/mi
3:45:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:24/mi
3:55:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:21
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:02:51
Pace9:22 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2826:248:3026:24
8:30
-
10K
6.21 mi11:50:2053:168:3426:52
8:39
+0:09
15K
9.32 mi12:16:511:19:478:3426:31
8:32
-0:07
20K
12.43 mi12:43:351:46:318:3426:44
8:36
+0:04
Half
13.11 mi12:49:251:52:218:345:50
8:33
-0:03
25K
15.53 mi13:10:362:13:328:3621:11
8:44
+0:11
30K
18.64 mi13:38:332:41:298:4027:57
9:00
+0:16
20M
20.00 mi13:51:312:54:278:4312:58
9:33
+0:33
21M
21.00 mi14:01:453:04:418:4810:14
10:14
+0:41
35K
21.75 mi14:08:393:11:358:496:54
9:13
-1:01
23M
23.00 mi14:20:523:23:488:5212:13
9:45
+0:32
24M
24.00 mi14:30:323:33:288:549:40
9:40
-0:05
40K
24.85 mi14:39:013:41:578:568:29
9:55
+0:15
25.2M
25.20 mi14:42:413:45:378:573:40
10:38
+0:43
Finish
26.22 mi14:52:163:55:128:599:35
9:24
-1:14

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

8:30 /mi

Average Pace

8:59 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:32

57% of race

Time at Steady Pace

44:26

19% of race

Time at Slower Pace

57:14

24% of race

Average Pace: 8:58 /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 mi11:23:2826:248:3026:24
8:30
#19870
10K
6.21 mi11:50:2053:168:3426:52
8:39
#20259
15K
9.32 mi12:16:511:19:478:3426:31
8:32
#20027
20K
12.43 mi12:43:351:46:318:3426:44
8:36
#19720
Half
13.11 mi12:49:251:52:218:345:50
8:33
#19712
25K
15.53 mi13:10:362:13:328:3621:11
8:44
#19484
30K
18.64 mi13:38:332:41:298:4027:57
9:00
#19120
20M
20.00 mi13:51:312:54:278:4312:58
9:33
#19140
21M
21.00 mi14:01:453:04:418:4810:14
10:14
#19150
35K
21.75 mi14:08:393:11:358:496:54
9:13
#19162
23M
23.00 mi14:20:523:23:488:5212:13
9:45
#19197
24M
24.00 mi14:30:323:33:288:549:40
9:40
#19271
40K
24.85 mi14:39:013:41:578:568:29
9:55
#19319
25.2M
25.20 mi14:42:413:45:378:573:40
10:38
#19313
Finish
26.22 mi14:52:163:55:128:599:35
9:24
#19379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi198707429742919551(Top 69%)7203(Top 59%)7203(Top 397%)
10K6.21 mi3.10 mi20259-3897629-2007629-20020596(Top 73%)7801(Top 64%)7801(Top 430%)
15K9.32 mi3.11 mi20027+2327480+1497480+14919551(Top 69%)7203(Top 59%)7203(Top 397%)
20K12.43 mi3.11 mi19720+3077313+1677313+16718900(Top 67%)6858(Top 56%)6858(Top 378%)
Half13.11 mi0.68 mi19712+87313731319571(Top 69%)7227(Top 59%)7227(Top 399%)
25K15.53 mi2.42 mi19484+2287190+1237190+12318618(Top 66%)6767(Top 55%)6767(Top 373%)
30K18.64 mi3.11 mi19120+3647030+1607030+16017687(Top 62%)6412(Top 52%)6412(Top 354%)
20M20.00 mi1.36 mi19140-207060-307060-3019371(Top 68%)7461(Top 61%)7461(Top 412%)
21M21.00 mi1.00 mi19150-107085-257085-2519153(Top 67%)7409(Top 61%)7409(Top 409%)
35K21.75 mi0.75 mi19162-127107-227107-2219287(Top 68%)7596(Top 62%)7596(Top 419%)
23M23.00 mi1.25 mi19197-357161-547161-5419654(Top 69%)7864(Top 64%)7864(Top 434%)
24M24.00 mi1.00 mi19271-747231-707231-7020279(Top 71%)8226(Top 67%)8226(Top 454%)
40K24.85 mi0.85 mi19319-487273-427273-4220206(Top 71%)8257(Top 68%)8257(Top 455%)
25.2M25.20 mi0.35 mi19313+67286-137286-1319521(Top 69%)7908(Top 65%)7908(Top 436%)
Finish26.22 mi1.02 mi19379-667341-557341-5520837(Top 73%)8572(Top 70%)8572(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19551

Females

7203

F45-49

7203

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20596

Females

7801

F45-49

7801

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19551

Females

7203

F45-49

7203

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18900

Females

6858

F45-49

6858

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19571

Females

7227

F45-49

7227

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18618

Females

6767

F45-49

6767

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17687

Females

6412

F45-49

6412

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19371

Females

7461

F45-49

7461

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19153

Females

7409

F45-49

7409

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19287

Females

7596

F45-49

7596

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19654

Females

7864

F45-49

7864

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20279

Females

8226

F45-49

8226

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20206

Females

8257

F45-49

8257

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19521

Females

7908

F45-49

7908

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20837

Females

8572

F45-49

8572

Passing Analysis

Category:
Athletes Passed
2022
Passed By
1531
Net Change
+491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19870
5K → 10K130519-389#19870#20259
10K → 15K30270+232#20259#20027
15K → 20K36356+307#20027#19720
20K → Half3224+8#19720#19712
Half → 25K28052+228#19712#19484
25K → 30K42359+364#19484#19120
30K → 20M96116-20#19120#19140
20M → 21M91101-10#19140#19150
21M → 35K5264-12#19150#19162
35K → 23M80115-35#19162#19197
23M → 24M51125-74#19197#19271
24M → 40K4694-48#19271#19319
40K → 25.2M3832+6#19319#19313
25.2M → Finish38104-66#19313#19379
TOTALS20221531+491
📊

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