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BOSTON MARATHON 2025

Megan Glenski

Bib: 15464•F

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #14568
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
48:13
Rank: #14424 (+144)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:12:04
Rank: #14038 (+386)
10K → 15K
23:51 | 7:41/mi
20K· 12.43 mi
1:35:46
Rank: #13420 (+618)
15K → 20K
23:42 | 7:38/mi
Half· 13.11 mi
1:40:56
Rank: #13360 (+60)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:59:01
Rank: #12696 (+664)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:21:44
Rank: #11458 (+1238)
25K → 30K
22:43 | 7:19/mi
20M
2:31:45
Rank: #10986 (+472)
30K → 20M
10:01 | 7:22/mi
21M
2:39:18
Rank: #10569 (+417)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:44:31
Rank: #10321 (+248)
21M → 35K
5:13 | 6:58/mi
23M
2:53:31
Rank: #9893 (+428)
35K → 23M
9:00 | 7:11/mi
24M
3:00:45
Rank: #9644 (+249)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
3:07:06
Rank: #9480 (+164)
24M → 40K
6:21 | 7:26/mi
25.2M
3:09:50
Rank: #9378 (+102)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:16:45
Rank: #9108 (+270)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
📊Negative Split: 5.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4424:097:4624:09
7:46
-
10K
6.21 mi11:22:4848:137:4624:04
7:45
-0:01
15K
9.32 mi11:46:391:12:047:4423:51
7:41
-0:04
20K
12.43 mi12:10:211:35:467:4223:42
7:38
-0:03
Half
13.11 mi12:15:311:40:567:425:10
7:34
-0:04
25K
15.53 mi12:33:361:59:017:4018:05
7:27
-0:07
30K
18.64 mi12:56:192:21:447:3622:43
7:19
-0:08
20M
20.00 mi13:06:202:31:457:3510:01
7:22
+0:03
21M
21.00 mi13:13:532:39:187:357:33
7:33
+0:11
35K
21.75 mi13:19:062:44:317:345:13
6:58
-0:35
23M
23.00 mi13:28:062:53:317:339:00
7:11
+0:13
24M
24.00 mi13:35:203:00:457:327:14
7:14
+0:03
40K
24.85 mi13:41:413:07:067:326:21
7:26
+0:12
25.2M
25.20 mi13:44:253:09:507:322:44
7:56
+0:30
Finish
26.22 mi13:51:203:16:457:316:55
6:47
-1:09

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

6:47 /mi

Average Pace

7:31 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:32

43% of race

Time at Steady Pace

1:51:13

57% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:58:4424:097:4624:09
7:46
#14568
10K
6.21 mi11:22:4848:137:4624:04
7:45
#14424
15K
9.32 mi11:46:391:12:047:4423:51
7:41
#14038
20K
12.43 mi12:10:211:35:467:4223:42
7:38
#13420
Half
13.11 mi12:15:311:40:567:425:10
7:34
#13360
25K
15.53 mi12:33:361:59:017:4018:05
7:27
#12696
30K
18.64 mi12:56:192:21:447:3622:43
7:19
#11458
20M
20.00 mi13:06:202:31:457:3510:01
7:22
#10986
21M
21.00 mi13:13:532:39:187:357:33
7:33
#10569
35K
21.75 mi13:19:062:44:317:345:13
6:58
#10321
23M
23.00 mi13:28:062:53:317:339:00
7:11
#9893
24M
24.00 mi13:35:203:00:457:327:14
7:14
#9644
40K
24.85 mi13:41:413:07:067:326:21
7:26
#9480
25.2M
25.20 mi13:44:253:09:507:322:44
7:56
#9378
Finish
26.22 mi13:51:203:16:457:316:55
6:47
#9108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145684252425213253(Top 47%)3579(Top 29%)3579(Top 65%)
10K6.21 mi3.10 mi14424+1444184+684184+6814295(Top 50%)4126(Top 34%)4126(Top 75%)
15K9.32 mi3.11 mi14038+3863994+1903994+19013253(Top 47%)3579(Top 29%)3579(Top 65%)
20K12.43 mi3.11 mi13420+6183671+3233671+32311797(Top 42%)2884(Top 24%)2884(Top 53%)
Half13.11 mi0.68 mi13360+603646+253646+2512344(Top 43%)3111(Top 25%)3111(Top 57%)
25K15.53 mi2.42 mi12696+6643301+3453301+3459620(Top 34%)1933(Top 16%)1933(Top 35%)
30K18.64 mi3.11 mi11458+12382706+5952706+5956527(Top 23%)845(Top 7%)845(Top 15%)
20M20.00 mi1.36 mi10986+4722502+2042502+2046244(Top 22%)880(Top 7%)880(Top 16%)
21M21.00 mi1.00 mi10569+4172326+1762326+1764905(Top 17%)596(Top 5%)596(Top 11%)
35K21.75 mi0.75 mi10321+2482223+1032223+1035244(Top 18%)701(Top 6%)701(Top 13%)
23M23.00 mi1.25 mi9893+4282061+1622061+1624836(Top 17%)634(Top 5%)634(Top 12%)
24M24.00 mi1.00 mi9644+2491966+951966+956062(Top 21%)1097(Top 9%)1097(Top 20%)
40K24.85 mi0.85 mi9480+1641924+421924+426412(Top 23%)1311(Top 11%)1311(Top 24%)
25.2M25.20 mi0.35 mi9378+1021894+301894+305669(Top 20%)1132(Top 9%)1132(Top 21%)
Finish26.22 mi1.02 mi9108+2701813+811813+814468(Top 16%)684(Top 6%)684(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13253

Females

3579

F18-39

3579

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14295

Females

4126

F18-39

4126

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13253

Females

3579

F18-39

3579

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11797

Females

2884

F18-39

2884

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12344

Females

3111

F18-39

3111

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9620

Females

1933

F18-39

1933

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6527

Females

845

F18-39

845

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6244

Females

880

F18-39

880

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4905

Females

596

F18-39

596

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5244

Females

701

F18-39

701

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4836

Females

634

F18-39

634

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

6062

Females

1097

F18-39

1097

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6412

Females

1311

F18-39

1311

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5669

Females

1132

F18-39

1132

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4468

Females

684

F18-39

684

Passing Analysis

Category:
Athletes Passed
5770*
Passed By
310
Net Change
+5460
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14568
5K → 10K365221+144#14568#14424
10K → 15K43650+386#14424#14038
15K → 20K6279+618#14038#13420
20K → Half7212+60#13420#13360
Half → 25K6640+664#13360#12696
25K → 30K12380+1238#12696#11458
30K → 20M4720+472#11458#10986
20M → 21M4170+417#10986#10569
21M → 35K2491+248#10569#10321
35K → 23M428*0+428#10321#9893
23M → 24M2534+249#9893#9644
24M → 40K1728+164#9644#9480
40K → 25.2M1064+102#9480#9378
25.2M → Finish2711+270#9378#9108
TOTALS5770*310+5460

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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