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BOSTON MARATHON 2025

Rita Alexandra Assis Brasil

Bib: 23418•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F50-54)
#0 / 1303
Top 28%
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
8:10/mi
25:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:15:30
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:40:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:46:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:06:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:32:49
↑ 181↓ 1480.2%
20M
8:49/mi
2:44:48
↑ 64↓ 500.2%
21M
10:05/mi
2:54:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:01:27
↑ 17↓ 861.7%
23M
8:58/mi
3:12:40
↑ 23↓ 630.6%
24M
8:54/mi
3:21:34
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:29:35
↓ 200.3%
25.2M
10:32/mi
3:33:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:00/mi
3:42:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:56:05
Pace8:51 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0425:218:1025:21
8:10
-
10K
6.21 mi11:47:0850:258:0725:04
8:04
-0:06
15K
9.32 mi12:12:131:15:308:0625:05
8:04
0:00
20K
12.43 mi12:37:321:40:498:0725:19
8:09
+0:05
Half
13.11 mi12:43:011:46:188:075:29
8:02
-0:07
25K
15.53 mi13:02:442:06:018:0719:43
8:08
+0:06
30K
18.64 mi13:29:322:32:498:1226:48
8:38
+0:30
20M
20.00 mi13:41:312:44:488:1411:59
8:49
+0:11
21M
21.00 mi13:51:362:54:538:2010:05
10:05
+1:16
35K
21.75 mi13:58:103:01:278:216:34
8:47
-1:18
23M
23.00 mi14:09:233:12:408:2311:13
8:58
+0:11
24M
24.00 mi14:18:173:21:348:248:54
8:54
-0:04
40K
24.85 mi14:26:183:29:358:268:01
9:23
+0:29
25.2M
25.20 mi14:29:563:33:138:283:38
10:32
+1:09
Finish
26.22 mi14:39:063:42:238:299:10
9:00
-1:32

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

8:02 /mi

Average Pace

8:29 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:01

57% of race

Time at Steady Pace

1:14:38

34% of race

Time at Slower Pace

21:44

10% of race

Average Pace: 8:29 /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 mi11:22:0425:218:1025:21
8:10
#17834
10K
6.21 mi11:47:0850:258:0725:04
8:04
#17361
15K
9.32 mi12:12:131:15:308:0625:05
8:04
#17087
20K
12.43 mi12:37:321:40:498:0725:19
8:09
#16776
Half
13.11 mi12:43:011:46:188:075:29
8:02
#16734
25K
15.53 mi13:02:442:06:018:0719:43
8:08
#16401
30K
18.64 mi13:29:322:32:498:1226:48
8:38
#16196
20M
20.00 mi13:41:312:44:488:1411:59
8:49
#16144
21M
21.00 mi13:51:362:54:538:2010:05
10:05
#16244
35K
21.75 mi13:58:103:01:278:216:34
8:47
#16258
23M
23.00 mi14:09:233:12:408:2311:13
8:58
#16186
24M
24.00 mi14:18:173:21:348:248:54
8:54
#16189
40K
24.85 mi14:26:183:29:358:268:01
9:23
#16294
25.2M
25.20 mi14:29:563:33:138:283:38
10:32
#16351
Finish
26.22 mi14:39:063:42:238:299:10
9:00
#16467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178346238623816587(Top 58%)5490(Top 45%)5490(Top 421%)
10K6.21 mi3.10 mi17361+4735947+2915947+29116983(Top 60%)5695(Top 47%)5695(Top 437%)
15K9.32 mi3.11 mi17087+2745766+1815766+18116587(Top 58%)5490(Top 45%)5490(Top 421%)
20K12.43 mi3.11 mi16776+3115606+1605606+16015992(Top 56%)5211(Top 43%)5211(Top 400%)
Half13.11 mi0.68 mi16734+425581+255581+2516263(Top 57%)5350(Top 44%)5350(Top 411%)
25K15.53 mi2.42 mi16401+3335406+1755406+17514869(Top 52%)4687(Top 38%)4687(Top 360%)
30K18.64 mi3.11 mi16196+2055336+705336+7015548(Top 55%)5207(Top 43%)5207(Top 400%)
20M20.00 mi1.36 mi16144+525352-165352-1615784(Top 56%)5470(Top 45%)5470(Top 420%)
21M21.00 mi1.00 mi16244-1005433-815433-8118615(Top 66%)7128(Top 58%)7128(Top 547%)
35K21.75 mi0.75 mi16258-145471-385471-3817148(Top 60%)6427(Top 53%)6427(Top 493%)
23M23.00 mi1.25 mi16186+725458+135458+1316046(Top 56%)5911(Top 48%)5911(Top 454%)
24M24.00 mi1.00 mi16189-35492-345492-3416861(Top 59%)6415(Top 52%)6415(Top 492%)
40K24.85 mi0.85 mi16294-1055572-805572-8018191(Top 64%)7215(Top 59%)7215(Top 554%)
25.2M25.20 mi0.35 mi16351-575616-445616-4419151(Top 67%)7706(Top 63%)7706(Top 591%)
Finish26.22 mi1.02 mi16467-1165712-965712-9619027(Top 67%)7606(Top 62%)7606(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16587

Females

5490

F50-54

5490

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16983

Females

5695

F50-54

5695

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16587

Females

5490

F50-54

5490

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15992

Females

5211

F50-54

5211

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16263

Females

5350

F50-54

5350

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14869

Females

4687

F50-54

4687

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15548

Females

5207

F50-54

5207

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15784

Females

5470

F50-54

5470

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18615

Females

7128

F50-54

7128

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17148

Females

6427

F50-54

6427

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

16046

Females

5911

F50-54

5911

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16861

Females

6415

F50-54

6415

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18191

Females

7215

F50-54

7215

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19151

Females

7706

F50-54

7706

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19027

Females

7606

F50-54

7606

Passing Analysis

Category:
Athletes Passed
2632
Passed By
1265
Net Change
+1367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17834
5K → 10K588115+473#17834#17361
10K → 15K36692+274#17361#17087
15K → 20K36554+311#17087#16776
20K → Half5816+42#16776#16734
Half → 25K34815+333#16734#16401
25K → 30K332127+205#16401#16196
30K → 20M14088+52#16196#16144
20M → 21M69169-100#16144#16244
21M → 35K6478-14#16244#16258
35K → 23M13664+72#16258#16186
23M → 24M7376-3#16186#16189
24M → 40K36141-105#16189#16294
40K → 25.2M1370-57#16294#16351
25.2M → Finish44160-116#16351#16467
TOTALS26321265+1367
📊

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