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BOSTON MARATHON 2025

Cláudia Viegas

Bib: 20662•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F40-44)
#0 / 1718
Top 30%
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
7:41/mi
23:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:12:25
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:37:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:42:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:02:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:26:37
↑ 181↓ 1480.2%
20M
8:05/mi
2:37:36
↑ 64↓ 500.2%
21M
8:28/mi
2:46:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:51:55
↑ 17↓ 861.7%
23M
7:57/mi
3:01:52
↑ 23↓ 630.6%
24M
8:07/mi
3:09:59
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:16:57
↓ 200.3%
25.2M
8:39/mi
3:19:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:28:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4423:517:4123:51
7:41
-
10K
6.21 mi11:40:3947:467:4123:55
7:42
+0:01
15K
9.32 mi12:05:181:12:257:4624:39
7:56
+0:14
20K
12.43 mi12:30:071:37:147:4924:49
7:59
+0:03
Half
13.11 mi12:35:311:42:387:505:24
7:55
-0:04
25K
15.53 mi12:54:552:02:027:5119:24
8:00
+0:05
30K
18.64 mi13:19:302:26:377:5224:35
7:55
-0:05
20M
20.00 mi13:30:292:37:367:5310:59
8:05
+0:10
21M
21.00 mi13:38:572:46:047:548:28
8:28
+0:23
35K
21.75 mi13:44:482:51:557:545:51
7:49
-0:39
23M
23.00 mi13:54:453:01:527:549:57
7:57
+0:08
24M
24.00 mi14:02:523:09:597:558:07
8:07
+0:10
40K
24.85 mi14:09:503:16:577:556:58
8:09
+0:02
25.2M
25.20 mi14:12:493:19:567:562:59
8:39
+0:30
Finish
26.22 mi14:21:013:28:087:578:12
8:03
-0:36

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

7:41 /mi

Average Pace

7:57 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:41

94% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:16:4423:517:4123:51
7:41
#13774
10K
6.21 mi11:40:3947:467:4123:55
7:42
#13820
15K
9.32 mi12:05:181:12:257:4624:39
7:56
#14370
20K
12.43 mi12:30:071:37:147:4924:49
7:59
#14448
Half
13.11 mi12:35:311:42:387:505:24
7:55
#14469
25K
15.53 mi12:54:552:02:027:5119:24
8:00
#14348
30K
18.64 mi13:19:302:26:377:5224:35
7:55
#13603
20M
20.00 mi13:30:292:37:367:5310:59
8:05
#13373
21M
21.00 mi13:38:572:46:047:548:28
8:28
#13150
35K
21.75 mi13:44:482:51:557:545:51
7:49
#13054
23M
23.00 mi13:54:453:01:527:549:57
7:57
#12814
24M
24.00 mi14:02:523:09:597:558:07
8:07
#12769
40K
24.85 mi14:09:503:16:577:556:58
8:09
#12682
25.2M
25.20 mi14:12:493:19:567:562:59
8:39
#12627
Finish
26.22 mi14:21:013:28:087:578:12
8:03
#12632
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi137743759375915519(Top 55%)4864(Top 40%)4864(Top 283%)
10K6.21 mi3.10 mi13820-463835-763835-7613889(Top 49%)3890(Top 32%)3890(Top 226%)
15K9.32 mi3.11 mi14370-5504183-3484183-34815519(Top 55%)4864(Top 40%)4864(Top 283%)
20K12.43 mi3.11 mi14448-784260-774260-7714837(Top 52%)4550(Top 37%)4550(Top 265%)
Half13.11 mi0.68 mi14469-214279-194279-1915216(Top 54%)4713(Top 39%)4713(Top 274%)
25K15.53 mi2.42 mi14348+1214241+384241+3813914(Top 49%)4155(Top 34%)4155(Top 242%)
30K18.64 mi3.11 mi13603+7453883+3583883+35810758(Top 38%)2672(Top 22%)2672(Top 156%)
20M20.00 mi1.36 mi13373+2303789+943789+9411020(Top 39%)2961(Top 24%)2961(Top 172%)
21M21.00 mi1.00 mi13150+2233690+993690+9910284(Top 36%)2759(Top 23%)2759(Top 161%)
35K21.75 mi0.75 mi13054+963654+363654+3611028(Top 39%)3126(Top 26%)3126(Top 182%)
23M23.00 mi1.25 mi12814+2403560+943560+949677(Top 34%)2596(Top 21%)2596(Top 151%)
24M24.00 mi1.00 mi12769+453567-73567-712045(Top 42%)3824(Top 31%)3824(Top 223%)
40K24.85 mi0.85 mi12682+873550+173550+1711249(Top 40%)3533(Top 29%)3533(Top 206%)
25.2M25.20 mi0.35 mi12627+553535+153535+159814(Top 35%)2940(Top 24%)2940(Top 171%)
Finish26.22 mi1.02 mi12632-53568-333568-3313211(Top 47%)4551(Top 37%)4551(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15519

Females

4864

F40-44

4864

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13889

Females

3890

F40-44

3890

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15519

Females

4864

F40-44

4864

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14837

Females

4550

F40-44

4550

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15216

Females

4713

F40-44

4713

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13914

Females

4155

F40-44

4155

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10758

Females

2672

F40-44

2672

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11020

Females

2961

F40-44

2961

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10284

Females

2759

F40-44

2759

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11028

Females

3126

F40-44

3126

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9677

Females

2596

F40-44

2596

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12045

Females

3824

F40-44

3824

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11249

Females

3533

F40-44

3533

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9814

Females

2940

F40-44

2940

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13211

Females

4551

F40-44

4551

Passing Analysis

Category:
Athletes Passed
2709
Passed By
1567
Net Change
+1142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13774
5K → 10K257303-46#13774#13820
10K → 15K67617-550#13820#14370
15K → 20K175253-78#14370#14448
20K → Half3556-21#14448#14469
Half → 25K228107+121#14469#14348
25K → 30K7505+745#14348#13603
30K → 20M25020+230#13603#13373
20M → 21M23613+223#13373#13150
21M → 35K1048+96#13150#13054
35K → 23M25212+240#13054#12814
23M → 24M10358+45#12814#12769
24M → 40K11629+87#12769#12682
40K → 25.2M638+55#12682#12627
25.2M → Finish7378-5#12627#12632
TOTALS27091567+1142
📊

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