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BOSTON MARATHON 2025

Shamiso Mawer

Bib: 14690•F

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:55
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:54:48
↑ 66↓ 880.2%
30K· 18.64 mi
17:29/mi
2:49:06
↑ 181↓ 1480.2%
20M
24:37/mi
3:22:34
↑ 64↓ 500.2%
21M
24:37/mi
3:47:11
↑ 106↓ 241.6%
35K· 21.75 mi
24:37/mi
4:05:36
↑ 17↓ 861.7%
23M
22:18/mi
4:33:31
↑ 23↓ 630.6%
24M
22:53/mi
4:56:24
↓ 821.3%
40K· 24.85 mi
22:12/mi
5:15:23
↓ 200.3%
25.2M
23:12/mi
5:23:23
↑ 13↓ 160.2%
Finish· 26.22 mi
19:38/mi
5:43:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:47
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time4:06:36
Pace18:49 /mi
📊Positive Split: 154.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2223:127:2823:12
7:28
-
10K
6.21 mi11:16:1846:087:2522:56
7:23
-0:05
15K
9.32 mi11:39:051:08:557:2422:47
7:20
-0:03
20K
12.43 mi12:01:581:31:487:2322:53
7:22
+0:02
Half
13.11 mi12:06:571:36:477:234:59
7:18
-0:04
25K
15.53 mi12:24:581:54:487:2318:01
7:26
+0:08
30K
18.64 mi13:19:162:49:069:0454:18
17:29
+10:03
20M
20.00 mi13:52:443:22:3410:0833:28
24:37
+7:08
21M
21.00 mi14:17:213:47:1110:4924:37
24:37
0:00
35K
21.75 mi14:35:464:05:3611:1818:25
24:37
0:00
23M
23.00 mi15:03:414:33:3111:5427:55
22:18
-2:19
24M
24.00 mi15:26:344:56:2412:2122:53
22:53
+0:35
40K
24.85 mi15:45:335:15:2312:4118:59
22:12
-0:41
25.2M
25.20 mi15:53:335:23:2312:508:00
23:12
+1:00
Finish
26.22 mi16:13:335:43:2313:0620:00
19:38
-3:34

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

7:18 /mi

Average Pace

13:06 /mi

Slowest Pace

24:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:48

33% of race

Time at Steady Pace

2:32:05

44% of race

Time at Slower Pace

1:16:30

22% of race

Average Pace: 13:06 /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 mi10:53:2223:127:2823:12
7:28
#11928
10K
6.21 mi11:16:1846:087:2522:56
7:23
#11445
15K
9.32 mi11:39:051:08:557:2422:47
7:20
#11002
20K
12.43 mi12:01:581:31:487:2322:53
7:22
#10627
Half
13.11 mi12:06:571:36:477:234:59
7:18
#10588
25K
15.53 mi12:24:581:54:487:2318:01
7:26
#10355
30K
18.64 mi13:19:162:49:069:0454:18
17:29
#21201
20M
20.00 mi13:52:443:22:3410:0833:28
24:37
#24315
21M
21.00 mi14:17:213:47:1110:4924:37
24:37
#25435
35K
21.75 mi14:35:464:05:3611:1818:25
24:37
#26134
23M
23.00 mi15:03:414:33:3111:5427:55
22:18
#26853
24M
24.00 mi15:26:344:56:2412:2122:53
22:53
#27262
40K
24.85 mi15:45:335:15:2312:4118:59
22:12
#27517
25.2M
25.20 mi15:53:335:23:2312:508:00
23:12
#27611
Finish
26.22 mi16:13:335:43:2313:0620:00
19:38
#27825
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi119282763276310239(Top 36%)2001(Top 16%)2001(Top 116%)
10K6.21 mi3.10 mi11445+4832527+2362527+23610994(Top 39%)2305(Top 19%)2305(Top 134%)
15K9.32 mi3.11 mi11002+4432321+2062321+20610239(Top 36%)2001(Top 16%)2001(Top 116%)
20K12.43 mi3.11 mi10627+3752162+1592162+1599571(Top 34%)1773(Top 14%)1773(Top 103%)
Half13.11 mi0.68 mi10588+392143+192143+199932(Top 35%)1948(Top 16%)1948(Top 113%)
25K15.53 mi2.42 mi10355+2332070+732070+739360(Top 33%)1806(Top 15%)1806(Top 105%)
30K18.64 mi3.11 mi21201-108468193-61238193-612328367(Top 100%)12213(Top 100%)12213(Top 711%)
20M20.00 mi1.36 mi24315-31149923-17309923-173028396(Top 100%)12225(Top 100%)12225(Top 712%)
21M21.00 mi1.00 mi25435-112010553-63010553-63028392(Top 100%)12223(Top 100%)12223(Top 711%)
35K21.75 mi0.75 mi26134-69910931-37810931-37828394(Top 100%)12225(Top 100%)12225(Top 712%)
23M23.00 mi1.25 mi26853-71911338-40711338-40728384(Top 100%)12224(Top 100%)12224(Top 712%)
24M24.00 mi1.00 mi27262-40911594-25611594-25628394(Top 100%)12227(Top 100%)12227(Top 712%)
40K24.85 mi0.85 mi27517-25511738-14411738-14428396(Top 100%)12227(Top 100%)12227(Top 712%)
25.2M25.20 mi0.35 mi27611-9411801-6311801-6328394(Top 100%)12228(Top 100%)12228(Top 712%)
Finish26.22 mi1.02 mi27825-21411930-12911930-12928392(Top 100%)12224(Top 100%)12224(Top 712%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10239

Females

2001

F40-44

2001

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10994

Females

2305

F40-44

2305

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10239

Females

2001

F40-44

2001

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9571

Females

1773

F40-44

1773

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9932

Females

1948

F40-44

1948

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9360

Females

1806

F40-44

1806

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28367

Females

12213

F40-44

12213

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

28396

Females

12225

F40-44

12225

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28392

Females

12223

F40-44

12223

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28394

Females

12225

F40-44

12225

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28384

Females

12224

F40-44

12224

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28394

Females

12227

F40-44

12227

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28396

Females

12227

F40-44

12227

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28394

Females

12228

F40-44

12228

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28392

Females

12224

F40-44

12224

Passing Analysis

Category:
Athletes Passed
1791
Passed By
17687
Net Change
-15897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11928
5K → 10K57289+483#11928#11445
10K → 15K47835+443#11445#11002
15K → 20K40025+375#11002#10627
20K → Half5415+39#10627#10588
Half → 25K28047+233#10588#10355
25K → 30K010845-10846#10355#21201
30K → 20M13115-3114#21201#24315
20M → 21M21122-1120#24315#25435
21M → 35K2701-699#25435#26134
35K → 23M0719-719#26134#26853
23M → 24M2411-409#26853#27262
24M → 40K0255-255#27262#27517
40K → 25.2M094-94#27517#27611
25.2M → Finish0214-214#27611#27825
TOTALS179117687-15897
📊

Passing Visuals

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