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BOSTON MARATHON 2025

Elena Massa-Musiak

Bib: 20534•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F40-44)
#0 / 1718
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:27
Rank: #15434
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
49:04
Rank: #15645 (-211)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:13:45
Rank: #15613 (+32)
10K → 15K
24:41 | 7:57/mi
20K· 12.43 mi
1:38:30
Rank: #15338 (+275)
15K → 20K
24:45 | 7:58/mi
Half· 13.11 mi
1:43:42
Rank: #15188 (+150)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
2:02:53
Rank: #14816 (+372)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:28:42
Rank: #14510 (+306)
25K → 30K
25:49 | 8:19/mi
20M
2:40:14
Rank: #14425 (+85)
30K → 20M
11:32 | 8:29/mi
21M
2:49:19
Rank: #14374 (+51)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:55:26
Rank: #14340 (+34)
21M → 35K
6:07 | 8:11/mi
23M
3:06:00
Rank: #14238 (+102)
35K → 23M
10:34 | 8:26/mi
24M
3:14:34
Rank: #14257 (-19)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:22:07
Rank: #14271 (-14)
24M → 40K
7:33 | 8:50/mi
25.2M
3:25:27
Rank: #14279 (-8)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:33:56
Rank: #14272 (+7)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2424:277:5224:27
7:52
-
10K
6.21 mi11:42:0149:047:5424:37
7:55
+0:03
15K
9.32 mi12:06:421:13:457:5524:41
7:57
+0:02
20K
12.43 mi12:31:271:38:307:5624:45
7:58
+0:01
Half
13.11 mi12:36:391:43:427:555:12
7:37
-0:21
25K
15.53 mi12:55:502:02:537:5519:11
7:55
+0:18
30K
18.64 mi13:21:392:28:427:5925:49
8:19
+0:24
20M
20.00 mi13:33:112:40:148:0111:32
8:29
+0:10
21M
21.00 mi13:42:162:49:198:049:05
9:05
+0:36
35K
21.75 mi13:48:232:55:268:046:07
8:11
-0:54
23M
23.00 mi13:58:573:06:008:0510:34
8:26
+0:15
24M
24.00 mi14:07:313:14:348:068:34
8:34
+0:08
40K
24.85 mi14:15:043:22:078:087:33
8:50
+0:16
25.2M
25.20 mi14:18:243:25:278:093:20
9:40
+0:50
Finish
26.22 mi14:26:533:33:568:108:29
8:19
-1:21

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

7:37 /mi

Average Pace

8:10 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:53

57% of race

Time at Steady Pace

1:11:05

33% of race

Time at Slower Pace

19:58

9% of race

Average Pace: 8:10 /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 mi11:17:2424:277:5224:27
7:52
#15434
10K
6.21 mi11:42:0149:047:5424:37
7:55
#15645
15K
9.32 mi12:06:421:13:457:5524:41
7:57
#15613
20K
12.43 mi12:31:271:38:307:5624:45
7:58
#15338
Half
13.11 mi12:36:391:43:427:555:12
7:37
#15188
25K
15.53 mi12:55:502:02:537:5519:11
7:55
#14816
30K
18.64 mi13:21:392:28:427:5925:49
8:19
#14510
20M
20.00 mi13:33:112:40:148:0111:32
8:29
#14425
21M
21.00 mi13:42:162:49:198:049:05
9:05
#14374
35K
21.75 mi13:48:232:55:268:046:07
8:11
#14340
23M
23.00 mi13:58:573:06:008:0510:34
8:26
#14238
24M
24.00 mi14:07:313:14:348:068:34
8:34
#14257
40K
24.85 mi14:15:043:22:078:087:33
8:50
#14271
25.2M
25.20 mi14:18:243:25:278:093:20
9:40
#14279
Finish
26.22 mi14:26:533:33:568:108:29
8:19
#14272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi154344798479815627(Top 55%)4920(Top 40%)4920(Top 286%)
10K6.21 mi3.10 mi15645-2114921-1234921-12315856(Top 56%)5040(Top 41%)5040(Top 293%)
15K9.32 mi3.11 mi15613+324904+174904+1715627(Top 55%)4920(Top 40%)4920(Top 286%)
20K12.43 mi3.11 mi15338+2754772+1324772+13214676(Top 52%)4469(Top 37%)4469(Top 260%)
Half13.11 mi0.68 mi15188+1504692+804692+8012863(Top 45%)3442(Top 28%)3442(Top 200%)
25K15.53 mi2.42 mi14816+3724514+1784514+17813212(Top 47%)3784(Top 31%)3784(Top 220%)
30K18.64 mi3.11 mi14510+3064393+1214393+12113584(Top 48%)4141(Top 34%)4141(Top 241%)
20M20.00 mi1.36 mi14425+854382+114382+1113717(Top 48%)4366(Top 36%)4366(Top 254%)
21M21.00 mi1.00 mi14374+514366+164366+1614023(Top 49%)4645(Top 38%)4645(Top 270%)
35K21.75 mi0.75 mi14340+344359+74359+713497(Top 48%)4428(Top 36%)4428(Top 258%)
23M23.00 mi1.25 mi14238+1024352+74352+712954(Top 46%)4248(Top 35%)4248(Top 247%)
24M24.00 mi1.00 mi14257-194388-364388-3614952(Top 53%)5347(Top 44%)5347(Top 311%)
40K24.85 mi0.85 mi14271-144426-384426-3815362(Top 54%)5719(Top 47%)5719(Top 333%)
25.2M25.20 mi0.35 mi14279-84438-124438-1215472(Top 54%)5796(Top 47%)5796(Top 337%)
Finish26.22 mi1.02 mi14272+74466-284466-2815087(Top 53%)5524(Top 45%)5524(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15627

Females

4920

F40-44

4920

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15856

Females

5040

F40-44

5040

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15627

Females

4920

F40-44

4920

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14676

Females

4469

F40-44

4469

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12863

Females

3442

F40-44

3442

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13212

Females

3784

F40-44

3784

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13584

Females

4141

F40-44

4141

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13717

Females

4366

F40-44

4366

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

14023

Females

4645

F40-44

4645

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13497

Females

4428

F40-44

4428

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12954

Females

4248

F40-44

4248

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14952

Females

5347

F40-44

5347

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15362

Females

5719

F40-44

5719

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15472

Females

5796

F40-44

5796

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15087

Females

5524

F40-44

5524

Passing Analysis

Category:
Athletes Passed
2525
Passed By
1363
Net Change
+1162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15434
5K → 10K228439-211#15434#15645
10K → 15K217185+32#15645#15613
15K → 20K34671+275#15613#15338
20K → Half1533+150#15338#15188
Half → 25K39018+372#15188#14816
25K → 30K406100+306#14816#14510
30K → 20M16681+85#14510#14425
20M → 21M13685+51#14425#14374
21M → 35K7440+34#14374#14340
35K → 23M16361+102#14340#14238
23M → 24M6786-19#14238#14257
24M → 40K7185-14#14257#14271
40K → 25.2M2836-8#14271#14279
25.2M → Finish8073+7#14279#14272
TOTALS25251363+1162
📊

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