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BOSTON MARATHON 2025

Erika Mcclosky

Bib: 22033•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #19681
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:35
Rank: #19610 (+71)
5K → 10K
26:17 | 8:28/mi
15K· 9.32 mi
1:18:36
Rank: #19244 (+366)
10K → 15K
26:01 | 8:22/mi
20K· 12.43 mi
1:45:05
Rank: #18989 (+255)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:50:47
Rank: #18962 (+27)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:11:33
Rank: #18721 (+241)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:38:45
Rank: #18243 (+478)
25K → 30K
27:12 | 8:45/mi
20M
2:50:38
Rank: #17978 (+265)
30K → 20M
11:53 | 8:45/mi
21M
2:59:48
Rank: #17770 (+208)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
3:06:11
Rank: #17676 (+94)
21M → 35K
6:23 | 8:32/mi
23M
3:17:13
Rank: #17509 (+167)
35K → 23M
11:02 | 8:49/mi
24M
3:25:56
Rank: #17420 (+89)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:33:34
Rank: #17356 (+64)
24M → 40K
7:38 | 8:56/mi
25.2M
3:36:58
Rank: #17344 (+12)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:46:06
Rank: #17407 (-63)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:47
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:55:19
Pace8:48 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2826:188:2826:18
8:28
-
10K
6.21 mi11:47:4552:358:2826:17
8:28
0:00
15K
9.32 mi12:13:461:18:368:2626:01
8:22
-0:06
20K
12.43 mi12:40:151:45:058:2726:29
8:31
+0:09
Half
13.11 mi12:45:571:50:478:275:42
8:21
-0:10
25K
15.53 mi13:06:432:11:338:2820:46
8:34
+0:13
30K
18.64 mi13:33:552:38:458:3127:12
8:45
+0:11
20M
20.00 mi13:45:482:50:388:3211:53
8:45
0:00
21M
21.00 mi13:54:582:59:488:349:10
9:10
+0:25
35K
21.75 mi14:01:213:06:118:346:23
8:32
-0:38
23M
23.00 mi14:12:233:17:138:3411:02
8:49
+0:17
24M
24.00 mi14:21:063:25:568:358:43
8:43
-0:06
40K
24.85 mi14:28:443:33:348:367:38
8:56
+0:13
25.2M
25.20 mi14:32:083:36:588:373:24
9:52
+0:56
Finish
26.22 mi14:41:163:46:068:389:08
8:58
-0:54

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

8:21 /mi

Average Pace

8:38 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:42

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:24

2% of race

Average Pace: 8:37 /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 mi11:21:2826:188:2826:18
8:28
#19681
10K
6.21 mi11:47:4552:358:2826:17
8:28
#19610
15K
9.32 mi12:13:461:18:368:2626:01
8:22
#19244
20K
12.43 mi12:40:151:45:058:2726:29
8:31
#18989
Half
13.11 mi12:45:571:50:478:275:42
8:21
#18962
25K
15.53 mi13:06:432:11:338:2820:46
8:34
#18721
30K
18.64 mi13:33:552:38:458:3127:12
8:45
#18243
20M
20.00 mi13:45:482:50:388:3211:53
8:45
#17978
21M
21.00 mi13:54:582:59:488:349:10
9:10
#17770
35K
21.75 mi14:01:213:06:118:346:23
8:32
#17676
23M
23.00 mi14:12:233:17:138:3411:02
8:49
#17509
24M
24.00 mi14:21:063:25:568:358:43
8:43
#17420
40K
24.85 mi14:28:443:33:348:367:38
8:56
#17356
25.2M
25.20 mi14:32:083:36:588:373:24
9:52
#17344
Finish
26.22 mi14:41:163:46:068:389:08
8:58
#17407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi196817311731118547(Top 65%)6630(Top 54%)6630(Top 366%)
10K6.21 mi3.10 mi19610+717247+647247+6419569(Top 69%)7211(Top 59%)7211(Top 398%)
15K9.32 mi3.11 mi19244+3667032+2157032+21518547(Top 65%)6630(Top 54%)6630(Top 366%)
20K12.43 mi3.11 mi18989+2556898+1346898+13418411(Top 65%)6574(Top 54%)6574(Top 363%)
Half13.11 mi0.68 mi18962+276886+126886+1218339(Top 65%)6516(Top 53%)6516(Top 359%)
25K15.53 mi2.42 mi18721+2416757+1296757+12917588(Top 62%)6183(Top 51%)6183(Top 341%)
30K18.64 mi3.11 mi18243+4786527+2306527+23016340(Top 58%)5657(Top 46%)5657(Top 312%)
20M20.00 mi1.36 mi17978+2656409+1186409+11815380(Top 54%)5259(Top 43%)5259(Top 290%)
21M21.00 mi1.00 mi17770+2086308+1016308+10114477(Top 51%)4889(Top 40%)4889(Top 270%)
35K21.75 mi0.75 mi17676+946276+326276+3215713(Top 55%)5631(Top 46%)5631(Top 311%)
23M23.00 mi1.25 mi17509+1676230+466230+4615204(Top 54%)5444(Top 45%)5444(Top 300%)
24M24.00 mi1.00 mi17420+896203+276203+2715863(Top 56%)5853(Top 48%)5853(Top 323%)
40K24.85 mi0.85 mi17356+646190+136190+1315926(Top 56%)6006(Top 49%)6006(Top 331%)
25.2M25.20 mi0.35 mi17344+126192-26192-216442(Top 58%)6303(Top 52%)6303(Top 348%)
Finish26.22 mi1.02 mi17407-636261-696261-6918854(Top 66%)7514(Top 61%)7514(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18547

Females

6630

F45-49

6630

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19569

Females

7211

F45-49

7211

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18547

Females

6630

F45-49

6630

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18411

Females

6574

F45-49

6574

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18339

Females

6516

F45-49

6516

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17588

Females

6183

F45-49

6183

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16340

Females

5657

F45-49

5657

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15380

Females

5259

F45-49

5259

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14477

Females

4889

F45-49

4889

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15713

Females

5631

F45-49

5631

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15204

Females

5444

F45-49

5444

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15863

Females

5853

F45-49

5853

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15926

Females

6006

F45-49

6006

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16442

Females

6303

F45-49

6303

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18854

Females

7514

F45-49

7514

Passing Analysis

Category:
Athletes Passed
3018
Passed By
744
Net Change
+2274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19681
5K → 10K289218+71#19681#19610
10K → 15K42458+366#19610#19244
15K → 20K33176+255#19244#18989
20K → Half4316+27#18989#18962
Half → 25K28544+241#18962#18721
25K → 30K51840+478#18721#18243
30K → 20M28015+265#18243#17978
20M → 21M22618+208#17978#17770
21M → 35K11016+94#17770#17676
35K → 23M20235+167#17676#17509
23M → 24M12132+89#17509#17420
24M → 40K10440+64#17420#17356
40K → 25.2M3725+12#17356#17344
25.2M → Finish48111-63#17344#17407
TOTALS3018744+2274
📊

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