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BOSTON MARATHON 2025

Lindsay Henderson

Bib: 17574•F

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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: #20621
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
54:51
Rank: #21591 (-970)
5K → 10K
28:03 | 9:02/mi
15K· 9.32 mi
1:23:53
Rank: #22279 (-688)
10K → 15K
29:02 | 9:21/mi
20K· 12.43 mi
1:53:45
Rank: #22598 (-319)
15K → 20K
29:52 | 9:37/mi
Half· 13.11 mi
1:59:52
Rank: #22544 (+54)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:21:49
Rank: #22148 (+396)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:51:07
Rank: #21666 (+482)
25K → 30K
29:18 | 9:26/mi
20M
3:03:38
Rank: #21380 (+286)
30K → 20M
12:31 | 9:13/mi
21M
3:13:27
Rank: #21183 (+197)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:20:13
Rank: #21053 (+130)
21M → 35K
6:46 | 9:03/mi
23M
3:31:42
Rank: #20846 (+207)
35K → 23M
11:29 | 9:10/mi
24M
3:40:43
Rank: #20718 (+128)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:48:29
Rank: #20593 (+125)
24M → 40K
7:46 | 9:05/mi
25.2M
3:51:49
Rank: #20532 (+61)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
4:00:24
Rank: #20410 (+122)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:59:52
Pace9:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:00:32
Pace9:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1126:488:3826:48
8:38
-
10K
6.21 mi11:52:1454:518:5028:03
9:02
+0:24
15K
9.32 mi12:21:161:23:539:0029:02
9:21
+0:19
20K
12.43 mi12:51:081:53:459:0929:52
9:37
+0:16
Half
13.11 mi12:57:151:59:529:096:07
8:58
-0:39
25K
15.53 mi13:19:122:21:499:0821:57
9:03
+0:05
30K
18.64 mi13:48:302:51:079:1129:18
9:26
+0:23
20M
20.00 mi14:01:013:03:389:1112:31
9:13
-0:13
21M
21.00 mi14:10:503:13:279:139:49
9:49
+0:36
35K
21.75 mi14:17:363:20:139:126:46
9:03
-0:46
23M
23.00 mi14:29:053:31:429:1211:29
9:10
+0:07
24M
24.00 mi14:38:063:40:439:129:01
9:01
-0:09
40K
24.85 mi14:45:523:48:299:127:46
9:05
+0:04
25.2M
25.20 mi14:49:123:51:499:123:20
9:40
+0:35
Finish
26.22 mi14:57:474:00:249:118:35
8:25
-1:15

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

8:25 /mi

Average Pace

9:11 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:03

58% of race

Time at Steady Pace

1:41:21

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:10 /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 mi11:24:1126:488:3826:48
8:38
#20621
10K
6.21 mi11:52:1454:518:5028:03
9:02
#21591
15K
9.32 mi12:21:161:23:539:0029:02
9:21
#22279
20K
12.43 mi12:51:081:53:459:0929:52
9:37
#22598
Half
13.11 mi12:57:151:59:529:096:07
8:58
#22544
25K
15.53 mi13:19:122:21:499:0821:57
9:03
#22148
30K
18.64 mi13:48:302:51:079:1129:18
9:26
#21666
20M
20.00 mi14:01:013:03:389:1112:31
9:13
#21380
21M
21.00 mi14:10:503:13:279:139:49
9:49
#21183
35K
21.75 mi14:17:363:20:139:126:46
9:03
#21053
23M
23.00 mi14:29:053:31:429:1211:29
9:10
#20846
24M
24.00 mi14:38:063:40:439:129:01
9:01
#20718
40K
24.85 mi14:45:523:48:299:127:46
9:05
#20593
25.2M
25.20 mi14:49:123:51:499:123:20
9:40
#20532
Finish
26.22 mi14:57:474:00:249:118:35
8:25
#20410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi206217870787023334(Top 82%)9279(Top 76%)9279(Top 170%)
10K6.21 mi3.10 mi21591-9708382-5128382-51222500(Top 79%)8864(Top 72%)8864(Top 162%)
15K9.32 mi3.11 mi22279-6888743-3618743-36123334(Top 82%)9279(Top 76%)9279(Top 170%)
20K12.43 mi3.11 mi22598-3198905-1628905-16223252(Top 82%)9274(Top 76%)9274(Top 170%)
Half13.11 mi0.68 mi22544+548881+248881+2421693(Top 76%)8412(Top 69%)8412(Top 154%)
25K15.53 mi2.42 mi22148+3968684+1978684+19720157(Top 71%)7624(Top 62%)7624(Top 139%)
30K18.64 mi3.11 mi21666+4828442+2428442+24219673(Top 69%)7485(Top 61%)7485(Top 137%)
20M20.00 mi1.36 mi21380+2868313+1298313+12917858(Top 63%)6632(Top 54%)6632(Top 121%)
21M21.00 mi1.00 mi21183+1978222+918222+9117591(Top 62%)6590(Top 54%)6590(Top 120%)
35K21.75 mi0.75 mi21053+1308165+578165+5718507(Top 65%)7207(Top 59%)7207(Top 132%)
23M23.00 mi1.25 mi20846+2078075+908075+9017222(Top 61%)6575(Top 54%)6575(Top 120%)
24M24.00 mi1.00 mi20718+1288025+508025+5017495(Top 62%)6772(Top 55%)6772(Top 124%)
40K24.85 mi0.85 mi20593+1257977+487977+4816820(Top 59%)6500(Top 53%)6500(Top 119%)
25.2M25.20 mi0.35 mi20532+617948+297948+2915555(Top 55%)5879(Top 48%)5879(Top 107%)
Finish26.22 mi1.02 mi20410+1227895+537895+5315786(Top 56%)5918(Top 48%)5918(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23334

Females

9279

F18-39

9279

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22500

Females

8864

F18-39

8864

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23334

Females

9279

F18-39

9279

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23252

Females

9274

F18-39

9274

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21693

Females

8412

F18-39

8412

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20157

Females

7624

F18-39

7624

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19673

Females

7485

F18-39

7485

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17858

Females

6632

F18-39

6632

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17591

Females

6590

F18-39

6590

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18507

Females

7207

F18-39

7207

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17222

Females

6575

F18-39

6575

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17495

Females

6772

F18-39

6772

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16820

Females

6500

F18-39

6500

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15555

Females

5879

F18-39

5879

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15786

Females

5918

F18-39

5918

Passing Analysis

Category:
Athletes Passed
2490
Passed By
2279
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20621
5K → 10K511021-970#20621#21591
10K → 15K63751-688#21591#22279
15K → 20K87406-319#22279#22598
20K → Half6511+54#22598#22544
Half → 25K40913+396#22544#22148
25K → 30K50422+482#22148#21666
30K → 20M2882+286#21666#21380
20M → 21M20811+197#21380#21183
21M → 35K1377+130#21183#21053
35K → 23M2125+207#21053#20846
23M → 24M1379+128#20846#20718
24M → 40K13611+125#20718#20593
40K → 25.2M632+61#20593#20532
25.2M → Finish1308+122#20532#20410
TOTALS24902279+211
📊

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