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BOSTON MARATHON 2025

Sara Mamuska-Morris

Bib: 24912•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:38
Rank: #25228
Start → 5K
30:38 | 9:52/mi
10K· 6.21 mi
1:01:25
Rank: #25145 (+83)
5K → 10K
30:47 | 9:54/mi
15K· 9.32 mi
1:32:30
Rank: #25104 (+41)
10K → 15K
31:05 | 10:00/mi
20K· 12.43 mi
2:05:57
Rank: #25304 (-200)
15K → 20K
33:27 | 10:46/mi
Half· 13.11 mi
2:12:57
Rank: #25297 (+7)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:38:36
Rank: #25139 (+158)
Half → 25K
25:39 | 10:35/mi
30K· 18.64 mi
3:13:55
Rank: #25048 (+91)
25K → 30K
35:19 | 11:22/mi
20M
3:30:25
Rank: #25103 (-55)
30K → 20M
16:30 | 12:09/mi
21M
3:42:11
Rank: #25017 (+86)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:49:59
Rank: #24972 (+45)
21M → 35K
7:48 | 10:26/mi
23M
4:05:18
Rank: #25014 (-42)
35K → 23M
15:19 | 12:14/mi
24M
4:17:03
Rank: #25031 (-17)
23M → 24M
11:45 | 11:45/mi
40K· 24.85 mi
4:27:24
Rank: #25035 (-4)
24M → 40K
10:21 | 12:06/mi
25.2M
4:32:04
Rank: #25041 (-6)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:42:26
Rank: #25027 (+14)
25.2M → Finish
10:22 | 10:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:57
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:29:29
Pace11:24 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:3530:389:5230:38
9:52
-
10K
6.21 mi12:02:221:01:259:5330:47
9:54
+0:02
15K
9.32 mi12:33:271:32:309:5531:05
10:00
+0:06
20K
12.43 mi13:06:542:05:5710:0833:27
10:46
+0:46
Half
13.11 mi13:13:542:12:5710:087:00
10:16
-0:30
25K
15.53 mi13:39:332:38:3610:1325:39
10:35
+0:19
30K
18.64 mi14:14:523:13:5510:2435:19
11:22
+0:47
20M
20.00 mi14:31:223:30:2510:3116:30
12:09
+0:47
21M
21.00 mi14:43:083:42:1110:3511:46
11:46
-0:23
35K
21.75 mi14:50:563:49:5910:347:48
10:26
-1:20
23M
23.00 mi15:06:154:05:1810:4015:19
12:14
+1:48
24M
24.00 mi15:18:004:17:0310:4311:45
11:45
-0:29
40K
24.85 mi15:28:214:27:2410:4610:21
12:06
+0:21
25.2M
25.20 mi15:33:014:32:0410:484:40
13:32
+1:26
Finish
26.22 mi15:43:234:42:2610:4710:22
10:10
-3:22

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

9:52 /mi

Average Pace

10:47 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:52

36% of race

Time at Steady Pace

1:13:54

26% of race

Time at Slower Pace

1:45:40

37% of race

Average Pace: 10:46 /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 mi11:31:3530:389:5230:38
9:52
#25228
10K
6.21 mi12:02:221:01:259:5330:47
9:54
#25145
15K
9.32 mi12:33:271:32:309:5531:05
10:00
#25104
20K
12.43 mi13:06:542:05:5710:0833:27
10:46
#25304
Half
13.11 mi13:13:542:12:5710:087:00
10:16
#25297
25K
15.53 mi13:39:332:38:3610:1325:39
10:35
#25139
30K
18.64 mi14:14:523:13:5510:2435:19
11:22
#25048
20M
20.00 mi14:31:223:30:2510:3116:30
12:09
#25103
21M
21.00 mi14:43:083:42:1110:3511:46
11:46
#25017
35K
21.75 mi14:50:563:49:5910:347:48
10:26
#24972
23M
23.00 mi15:06:154:05:1810:4015:19
12:14
#25014
24M
24.00 mi15:18:004:17:0310:4311:45
11:45
#25031
40K
24.85 mi15:28:214:27:2410:4610:21
12:06
#25035
25.2M
25.20 mi15:33:014:32:0410:484:40
13:32
#25041
Finish
26.22 mi15:43:234:42:2610:4710:22
10:10
#25027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25228103321033224991(Top 88%)10208(Top 83%)10208(Top 1027%)
10K6.21 mi3.10 mi25145+8310306+2610306+2625103(Top 88%)10291(Top 84%)10291(Top 1035%)
15K9.32 mi3.11 mi25104+4110280+2610280+2624991(Top 88%)10208(Top 83%)10208(Top 1027%)
20K12.43 mi3.11 mi25304-20010409-12910409-12925653(Top 90%)10619(Top 87%)10619(Top 1068%)
Half13.11 mi0.68 mi25297+710408+110408+125341(Top 89%)10457(Top 86%)10457(Top 1052%)
25K15.53 mi2.42 mi25139+15810332+7610332+7624511(Top 86%)10023(Top 82%)10023(Top 1008%)
30K18.64 mi3.11 mi25048+9110301+3110301+3124637(Top 87%)10198(Top 83%)10198(Top 1026%)
20M20.00 mi1.36 mi25103-5510347-4610347-4625447(Top 90%)10726(Top 88%)10726(Top 1079%)
21M21.00 mi1.00 mi25017+8610315+3210315+3223142(Top 81%)9569(Top 78%)9569(Top 963%)
35K21.75 mi0.75 mi24972+4510295+2010295+2022982(Top 81%)9552(Top 78%)9552(Top 961%)
23M23.00 mi1.25 mi25014-4210335-4010335-4025434(Top 90%)10825(Top 89%)10825(Top 1089%)
24M24.00 mi1.00 mi25031-1710359-2410359-2425312(Top 89%)10780(Top 88%)10780(Top 1085%)
40K24.85 mi0.85 mi25035-410373-1410373-1425067(Top 88%)10704(Top 88%)10704(Top 1077%)
25.2M25.20 mi0.35 mi25041-610377-410377-425676(Top 90%)11029(Top 90%)11029(Top 1110%)
Finish26.22 mi1.02 mi25027+1410370+710370+723428(Top 82%)9895(Top 81%)9895(Top 995%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24991

Females

10208

F55-59

10208

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25103

Females

10291

F55-59

10291

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24991

Females

10208

F55-59

10208

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25653

Females

10619

F55-59

10619

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25341

Females

10457

F55-59

10457

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24511

Females

10023

F55-59

10023

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24637

Females

10198

F55-59

10198

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25447

Females

10726

F55-59

10726

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23142

Females

9569

F55-59

9569

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22982

Females

9552

F55-59

9552

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25434

Females

10825

F55-59

10825

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25312

Females

10780

F55-59

10780

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25067

Females

10704

F55-59

10704

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25676

Females

11029

F55-59

11029

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23428

Females

9895

F55-59

9895

Passing Analysis

Category:
Athletes Passed
1163
Passed By
962
Net Change
+201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25228
5K → 10K220137+83#25228#25145
10K → 15K160119+41#25145#25104
15K → 20K70270-200#25104#25304
20K → Half2619+7#25304#25297
Half → 25K19032+158#25297#25139
25K → 30K16372+91#25139#25048
30K → 20M4297-55#25048#25103
20M → 21M9913+86#25103#25017
21M → 35K505+45#25017#24972
35K → 23M3577-42#24972#25014
23M → 24M2845-17#25014#25031
24M → 40K3640-4#25031#25035
40K → 25.2M1420-6#25035#25041
25.2M → Finish3016+14#25041#25027
TOTALS1163962+201
📊

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