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BOSTON MARATHON 2025

Alessia Rosati

Bib: 26150•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
11:13/mi
34:52
↑ 97↓ 3451.5%
10K· 6.21 mi
11:43/mi
1:11:17
↑ 79↓ 1380.4%
15K· 9.32 mi
11:27/mi
1:46:50
↑ 67↓ 78
20K· 12.43 mi
12:18/mi
2:25:03
↑ 106↓ 860.1%
Half· 13.11 mi
11:39/mi
2:33:00
↑ 19↓ 370.5%
25K· 15.53 mi
14:34/mi
3:08:18
↑ 66↓ 880.2%
30K· 18.64 mi
17:41/mi
4:03:15
↑ 181↓ 1480.2%
20M
16:42/mi
4:25:57
↑ 64↓ 500.2%
21M
16:40/mi
4:42:37
↑ 106↓ 241.6%
35K· 21.75 mi
14:06/mi
4:53:10
↑ 17↓ 861.7%
23M
13:42/mi
5:10:19
↑ 23↓ 630.6%
24M
17:39/mi
5:27:58
↓ 821.3%
40K· 24.85 mi
12:00/mi
5:38:14
↓ 200.3%
25.2M
16:14/mi
5:43:50
↑ 13↓ 160.2%
Finish· 26.22 mi
12:37/mi
5:56:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:00
Pace11:40 /mi
2nd Half
Distance13.11 mi
Time3:23:41
Pace15:32 /mi
📊Positive Split: 33.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2034:5211:1334:52
11:13
-
10K
6.21 mi12:32:451:11:1711:2836:25
11:43
+0:30
15K
9.32 mi13:08:181:46:5011:2835:33
11:27
-0:16
20K
12.43 mi13:46:312:25:0311:4038:13
12:18
+0:51
Half
13.11 mi13:54:282:33:0011:407:57
11:39
-0:39
25K
15.53 mi14:29:463:08:1812:0735:18
14:34
+2:55
30K
18.64 mi15:24:434:03:1513:0354:57
17:41
+3:07
20M
20.00 mi15:47:254:25:5713:1822:42
16:42
-0:59
21M
21.00 mi16:04:054:42:3713:2716:40
16:40
-0:02
35K
21.75 mi16:14:384:53:1013:2910:33
14:06
-2:34
23M
23.00 mi16:31:475:10:1913:3017:09
13:42
-0:24
24M
24.00 mi16:49:265:27:5813:4017:39
17:39
+3:57
40K
24.85 mi16:59:425:38:1413:3710:16
12:00
-5:39
25.2M
25.20 mi17:05:185:43:5013:395:36
16:14
+4:14
Finish
26.22 mi17:18:095:56:4113:3712:51
12:37
-3:37

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

11:13 /mi

Average Pace

13:37 /mi

Slowest Pace

17:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:16

46% of race

Time at Steady Pace

1:15:51

21% of race

Time at Slower Pace

1:57:34

33% of race

Average Pace: 13:36 /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 mi11:56:2034:5211:1334:52
11:13
#27785
10K
6.21 mi12:32:451:11:1711:2836:25
11:43
#27798
15K
9.32 mi13:08:181:46:5011:2835:33
11:27
#27589
20K
12.43 mi13:46:312:25:0311:4038:13
12:18
#27542
Half
13.11 mi13:54:282:33:0011:407:57
11:39
#27528
25K
15.53 mi14:29:463:08:1812:0735:18
14:34
#27695
30K
18.64 mi15:24:434:03:1513:0354:57
17:41
#28091
20M
20.00 mi15:47:254:25:5713:1822:42
16:42
#28152
21M
21.00 mi16:04:054:42:3713:2716:40
16:40
#28165
35K
21.75 mi16:14:384:53:1013:2910:33
14:06
#28168
23M
23.00 mi16:31:475:10:1913:3017:09
13:42
#28139
24M
24.00 mi16:49:265:27:5813:4017:39
17:39
#28198
40K
24.85 mi16:59:425:38:1413:3710:16
12:00
#28150
25.2M
25.20 mi17:05:185:43:5013:395:36
16:14
#28154
Finish
26.22 mi17:18:095:56:4113:3712:51
12:37
#28135
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27785118191181927187(Top 96%)11485(Top 94%)11485(Top 210%)
10K6.21 mi3.10 mi27798-1311827-811827-827773(Top 98%)11823(Top 97%)11823(Top 216%)
15K9.32 mi3.11 mi27589+20911710+11711710+11727187(Top 96%)11485(Top 94%)11485(Top 210%)
20K12.43 mi3.11 mi27542+4711691+1911691+1927354(Top 96%)11612(Top 95%)11612(Top 212%)
Half13.11 mi0.68 mi27528+1411683+811683+827189(Top 96%)11525(Top 94%)11525(Top 211%)
25K15.53 mi2.42 mi27695-16711799-11611799-11628117(Top 99%)12082(Top 99%)12082(Top 221%)
30K18.64 mi3.11 mi28091-39612042-24312042-24328372(Top 100%)12216(Top 100%)12216(Top 223%)
20M20.00 mi1.36 mi28152-6112085-4312085-4328279(Top 100%)12182(Top 100%)12182(Top 223%)
21M21.00 mi1.00 mi28165-1312100-1512100-1528065(Top 99%)12089(Top 99%)12089(Top 221%)
35K21.75 mi0.75 mi28168-312105-512105-527737(Top 98%)11978(Top 98%)11978(Top 219%)
23M23.00 mi1.25 mi28139+2912088+1712088+1727064(Top 95%)11643(Top 95%)11643(Top 213%)
24M24.00 mi1.00 mi28198-5912131-4312131-4328346(Top 100%)12212(Top 100%)12212(Top 223%)
40K24.85 mi0.85 mi28150+4812099+3212099+3224924(Top 88%)10642(Top 87%)10642(Top 195%)
25.2M25.20 mi0.35 mi28154-412102-312102-327813(Top 98%)12031(Top 98%)12031(Top 220%)
Finish26.22 mi1.02 mi28135+1912093+912093+927362(Top 96%)11804(Top 97%)11804(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27187

Females

11485

F18-39

11485

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27773

Females

11823

F18-39

11823

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27187

Females

11485

F18-39

11485

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27354

Females

11612

F18-39

11612

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27189

Females

11525

F18-39

11525

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28117

Females

12082

F18-39

12082

25K→30K

15.5 - 18.6 mi

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

Overall

28372

Females

12216

F18-39

12216

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

28279

Females

12182

F18-39

12182

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28065

Females

12089

F18-39

12089

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27737

Females

11978

F18-39

11978

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

27064

Females

11643

F18-39

11643

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28346

Females

12212

F18-39

12212

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24924

Females

10642

F18-39

10642

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27813

Females

12031

F18-39

12031

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27362

Females

11804

F18-39

11804

Passing Analysis

Category:
Athletes Passed
567
Passed By
917
Net Change
-350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27785
5K → 10K87100-13#27785#27798
10K → 15K2189+209#27798#27589
15K → 20K9750+47#27589#27542
20K → Half2511+14#27542#27528
Half → 25K20187-167#27528#27695
25K → 30K3399-396#27695#28091
30K → 20M061-61#28091#28152
20M → 21M821-13#28152#28165
21M → 35K69-3#28165#28168
35K → 23M301+29#28168#28139
23M → 24M160-59#28139#28198
24M → 40K480+48#28198#28150
40K → 25.2M26-4#28150#28154
25.2M → Finish223+19#28154#28135
TOTALS567917-350
📊

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