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BOSTON MARATHON 2025

Rose Sassarrao

Bib: 15561•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
54:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:22:25
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:50:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:56:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:17:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:45:51
↑ 181↓ 1480.2%
20M
9:15/mi
2:58:25
↑ 64↓ 500.2%
21M
9:50/mi
3:08:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:14:47
↑ 17↓ 861.7%
23M
9:05/mi
3:26:10
↑ 23↓ 630.6%
24M
8:37/mi
3:34:47
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:42:04
↓ 200.3%
25.2M
9:17/mi
3:45:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:53:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0627:088:4427:08
8:44
-
10K
6.21 mi11:25:4154:438:4827:35
8:53
+0:09
15K
9.32 mi11:53:231:22:258:5127:42
8:55
+0:02
20K
12.43 mi12:21:051:50:078:5227:42
8:55
0:00
Half
13.11 mi12:27:001:56:028:515:55
8:40
-0:15
25K
15.53 mi12:48:192:17:218:5121:19
8:48
+0:08
30K
18.64 mi13:16:492:45:518:5428:30
9:10
+0:22
20M
20.00 mi13:29:232:58:258:5512:34
9:15
+0:05
21M
21.00 mi13:39:133:08:158:589:50
9:50
+0:35
35K
21.75 mi13:45:453:14:478:576:32
8:44
-1:06
23M
23.00 mi13:57:083:26:108:5811:23
9:05
+0:21
24M
24.00 mi14:05:453:34:478:578:37
8:37
-0:28
40K
24.85 mi14:13:023:42:048:567:17
8:31
-0:06
25.2M
25.20 mi14:16:143:45:168:563:12
9:17
+0:46
Finish
26.22 mi14:24:293:53:318:558:15
8:06
-1:11

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

8:06 /mi

Average Pace

8:55 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:04

13% of race

Time at Steady Pace

2:17:58

59% of race

Time at Slower Pace

1:05:29

28% of race

Average Pace: 8:54 /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 mi10:58:0627:088:4427:08
8:44
#21166
10K
6.21 mi11:25:4154:438:4827:35
8:53
#21478
15K
9.32 mi11:53:231:22:258:5127:42
8:55
#21498
20K
12.43 mi12:21:051:50:078:5227:42
8:55
#21226
Half
13.11 mi12:27:001:56:028:515:55
8:40
#21179
25K
15.53 mi12:48:192:17:218:5121:19
8:48
#20826
30K
18.64 mi13:16:492:45:518:5428:30
9:10
#20358
20M
20.00 mi13:29:232:58:258:5512:34
9:15
#20174
21M
21.00 mi13:39:133:08:158:589:50
9:50
#20015
35K
21.75 mi13:45:453:14:478:576:32
8:44
#19912
23M
23.00 mi13:57:083:26:108:5811:23
9:05
#19713
24M
24.00 mi14:05:453:34:478:578:37
8:37
#19547
40K
24.85 mi14:13:023:42:048:567:17
8:31
#19338
25.2M
25.20 mi14:16:143:45:168:563:12
9:17
#19233
Finish
26.22 mi14:24:293:53:318:558:15
8:06
#19040
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi211668171817121647(Top 76%)8349(Top 68%)8349(Top 461%)
10K6.21 mi3.10 mi21478-3128325-1548325-15421801(Top 77%)8477(Top 69%)8477(Top 468%)
15K9.32 mi3.11 mi21498-208304+218304+2121647(Top 76%)8349(Top 68%)8349(Top 461%)
20K12.43 mi3.11 mi21226+2728160+1448160+14420558(Top 72%)7805(Top 64%)7805(Top 431%)
Half13.11 mi0.68 mi21179+478126+348126+3420226(Top 71%)7599(Top 62%)7599(Top 419%)
25K15.53 mi2.42 mi20826+3537943+1837943+18318904(Top 67%)6926(Top 57%)6926(Top 382%)
30K18.64 mi3.11 mi20358+4687736+2077736+20718523(Top 65%)6847(Top 56%)6847(Top 378%)
20M20.00 mi1.36 mi20174+1847655+817655+8118050(Top 64%)6745(Top 55%)6745(Top 372%)
21M21.00 mi1.00 mi20015+1597578+777578+7717644(Top 62%)6615(Top 54%)6615(Top 365%)
35K21.75 mi0.75 mi19912+1037534+447534+4416951(Top 60%)6321(Top 52%)6321(Top 349%)
23M23.00 mi1.25 mi19713+1997458+767458+7616802(Top 59%)6341(Top 52%)6341(Top 350%)
24M24.00 mi1.00 mi19547+1667390+687390+6815308(Top 54%)5558(Top 45%)5558(Top 307%)
40K24.85 mi0.85 mi19338+2097283+1077283+10713615(Top 48%)4781(Top 39%)4781(Top 264%)
25.2M25.20 mi0.35 mi19233+1057243+407243+4013472(Top 47%)4781(Top 39%)4781(Top 264%)
Finish26.22 mi1.02 mi19040+1937153+907153+9013610(Top 48%)4768(Top 39%)4768(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21647

Females

8349

F45-49

8349

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21801

Females

8477

F45-49

8477

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21647

Females

8349

F45-49

8349

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20558

Females

7805

F45-49

7805

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20226

Females

7599

F45-49

7599

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18904

Females

6926

F45-49

6926

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18523

Females

6847

F45-49

6847

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18050

Females

6745

F45-49

6745

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17644

Females

6615

F45-49

6615

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16951

Females

6321

F45-49

6321

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16802

Females

6341

F45-49

6341

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15308

Females

5558

F45-49

5558

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13615

Females

4781

F45-49

4781

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13472

Females

4781

F45-49

4781

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13610

Females

4768

F45-49

4768

Passing Analysis

Category:
Athletes Passed
3003
Passed By
877
Net Change
+2126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21166
5K → 10K171483-312#21166#21478
10K → 15K201221-20#21478#21498
15K → 20K34169+272#21498#21226
20K → Half6013+47#21226#21179
Half → 25K36512+353#21179#20826
25K → 30K48921+468#20826#20358
30K → 20M19915+184#20358#20174
20M → 21M18122+159#20174#20015
21M → 35K1085+103#20015#19912
35K → 23M2078+199#19912#19713
23M → 24M1726+166#19713#19547
24M → 40K2101+209#19547#19338
40K → 25.2M1050+105#19338#19233
25.2M → Finish1941+193#19233#19040
TOTALS3003877+2126
📊

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