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BOSTON MARATHON 2025

Amira Mosley

TX

Bib: 15144 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 24%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:00/mi
24:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:58/mi
49:38
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:49/mi
1:13:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:54/mi
1:38:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:49/mi
1:43:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
2:02:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:28:05
↑ 181↓ 1480.2%
138 ft elev
20M
8:21/mi
2:39:26
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:47:40
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:00/mi
2:52:54
↑ 17↓ 861.7%
156 ft elev
23M
7:12/mi
3:01:55
↑ 23↓ 630.6%
116 ft elev
24M
7:08/mi
3:09:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:12/mi
3:15:12
↓ 200.3%
20 ft elev
25.2M
7:50/mi
3:17:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:50/mi
3:24:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:43:477:55 /mi+2.6%
2nd Half
1:41:057:43 /mi✓ faster
Negative split — 2.6% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:528:003.11 mi24:52
8:00
-
10K
49:387:593.10 mi24:46
7:58
-0:02
15K
1:13:547:563.11 mi24:16
7:49
-0:09
20K
1:38:277:553.11 mi24:33
7:54
+0:05
Half(13.11 mi)
1:43:477:550.68 mi5:20
7:49
-0:05
25K
2:02:497:542.42 mi19:02
7:51
+0:02
30K
2:28:057:573.11 mi25:16
8:08
+0:17
20M
2:39:267:581.36 mi11:21
8:21
+0:13
21M
2:47:407:591.00 mi8:14
8:14
-0:07
35K
2:52:547:570.75 mi5:14
7:00
-1:14
23M
3:01:557:551.25 mi9:01
7:12
+0:12
24M
3:09:037:531.00 mi7:08
7:08
-0:04
40K
3:15:127:510.85 mi6:09
7:12
+0:04
25.2M
3:17:547:510.35 mi2:42
7:50
+0:38
Finish(26.22 mi)
3:24:527:491.02 mi6:58
6:50
-1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:50 /mi

Average Pace

7:49 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

34:30

17% of race

Time at Steady Pace

2:05:31

61% of race

Time at Slower Pace

44:51

22% of race

Average Pace: 7:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi16620552355231446242824282
10K3.10 mi16407+2135384+1395384+1391624152665266
15K3.11 mi15748+6594982+4024982+4021446242824282
20K3.11 mi15290+4584743+2394743+2391409841434143
Half(13.11 mi)0.68 mi15240+504713+304713+301440742724272
25K2.42 mi14774+4664487+2264487+2261275835293529
30K3.11 mi14230+5444239+2484239+2481232734653465
20M1.36 mi14088+1424188+514188+511285038793879
21M1.00 mi13737+3514021+1674021+167882720932093
35K0.75 mi13407+3303861+1603861+1605391745745
23M1.25 mi12825+5823566+2953566+2954925661661
24M1.00 mi12450+3753400+1663400+1665460885885
40K0.85 mi12127+3233267+1333267+1335067814814
25.2M0.35 mi11980+1473212+553212+555156954954
Finish(26.22 mi)1.02 mi11641+3393076+1363076+1364771796796

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14462

Females

4282

F40-44

4282

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16241

Females

5266

F40-44

5266

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14462

Females

4282

F40-44

4282

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14098

Females

4143

F40-44

4143

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14407

Females

4272

F40-44

4272

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12758

Females

3529

F40-44

3529

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12327

Females

3465

F40-44

3465

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12850

Females

3879

F40-44

3879

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8827

Females

2093

F40-44

2093

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5391

Females

745

F40-44

745

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4925

Females

661

F40-44

661

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5460

Females

885

F40-44

885

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5067

Females

814

F40-44

814

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5156

Females

954

F40-44

954

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4771

Females

796

F40-44

796

Passing Analysis

Category:
Passed
5330
Passed By
351
Net Change
+4979
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16620
5K → 10K409196+213#16620#16407
10K → 15K68021+659#16407#15748
15K → 20K48729+458#15748#15290
20K → Half6818+50#15290#15240
Half → 25K4759+466#15240#14774
25K → 30K57632+544#14774#14230
30K → 20M18442+142#14230#14088
20M → 21M3532+351#14088#13737
21M → 35K3300+330#13737#13407
35K → 23M5820+582#13407#12825
23M → 24M3750+375#12825#12450
24M → 40K3230+323#12450#12127
40K → 25.2M1481+147#12127#11980
25.2M → Finish3401+339#11980#11641
TOTALS5330351+4979

Passing Charts

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