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BOSTON MARATHON 2025

Sarah Moncada

Bib: 16068•F

ON

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
47:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:11:39
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:36:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:41:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:01:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:32
↑ 181↓ 1480.2%
20M
8:20/mi
2:38:52
↑ 64↓ 500.2%
21M
8:49/mi
2:47:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:53:45
↑ 17↓ 861.7%
23M
8:19/mi
3:04:10
↑ 23↓ 630.6%
24M
8:22/mi
3:12:32
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:19:36
↓ 200.3%
25.2M
9:17/mi
3:22:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:30:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:58
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4123:127:2823:12
7:28
-
10K
6.21 mi11:21:4647:177:3724:05
7:45
+0:17
15K
9.32 mi11:46:081:11:397:4124:22
7:51
+0:06
20K
12.43 mi12:11:031:36:347:4624:55
8:01
+0:10
Half
13.11 mi12:16:271:41:587:475:24
7:55
-0:06
25K
15.53 mi12:36:042:01:357:5019:37
8:05
+0:10
30K
18.64 mi13:02:012:27:327:5525:57
8:21
+0:16
20M
20.00 mi13:13:212:38:527:5711:20
8:20
-0:01
21M
21.00 mi13:22:102:47:417:598:49
8:49
+0:29
35K
21.75 mi13:28:142:53:457:596:04
8:07
-0:42
23M
23.00 mi13:38:393:04:108:0010:25
8:19
+0:12
24M
24.00 mi13:47:013:12:328:018:22
8:22
+0:03
40K
24.85 mi13:54:053:19:368:027:04
8:16
-0:06
25.2M
25.20 mi13:57:173:22:488:033:12
9:17
+1:01
Finish
26.22 mi14:05:233:30:548:038:06
7:57
-1:20

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

7:28 /mi

Average Pace

8:03 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:39

34% of race

Time at Steady Pace

1:21:35

39% of race

Time at Slower Pace

57:40

27% of race

Average Pace: 8:03 /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 mi10:57:4123:127:2823:12
7:28
#11929
10K
6.21 mi11:21:4647:177:3724:05
7:45
#13109
15K
9.32 mi11:46:081:11:397:4124:22
7:51
#13629
20K
12.43 mi12:11:031:36:347:4624:55
8:01
#13990
Half
13.11 mi12:16:271:41:587:475:24
7:55
#14056
25K
15.53 mi12:36:042:01:357:5019:37
8:05
#14098
30K
18.64 mi13:02:012:27:327:5525:57
8:21
#13994
20M
20.00 mi13:13:212:38:527:5711:20
8:20
#13854
21M
21.00 mi13:22:102:47:417:598:49
8:49
#13741
35K
21.75 mi13:28:142:53:457:596:04
8:07
#13693
23M
23.00 mi13:38:393:04:108:0010:25
8:19
#13577
24M
24.00 mi13:47:013:12:328:018:22
8:22
#13562
40K
24.85 mi13:54:053:19:368:027:04
8:16
#13485
25.2M
25.20 mi13:57:173:22:488:033:12
9:17
#13475
Finish
26.22 mi14:05:233:30:548:038:06
7:57
#13443
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119292764276414724(Top 52%)4437(Top 36%)4437(Top 81%)
10K6.21 mi3.10 mi13109-11803407-6433407-64314324(Top 50%)4155(Top 34%)4155(Top 76%)
15K9.32 mi3.11 mi13629-5203760-3533760-35314724(Top 52%)4437(Top 36%)4437(Top 81%)
20K12.43 mi3.11 mi13990-3613998-2383998-23815065(Top 53%)4679(Top 38%)4679(Top 86%)
Half13.11 mi0.68 mi14056-664039-414039-4115129(Top 53%)4705(Top 38%)4705(Top 86%)
25K15.53 mi2.42 mi14098-424099-604099-6014554(Top 51%)4518(Top 37%)4518(Top 83%)
30K18.64 mi3.11 mi13994+1044103-44103-413818(Top 49%)4271(Top 35%)4271(Top 78%)
20M20.00 mi1.36 mi13854+1404061+424061+4212719(Top 45%)3825(Top 31%)3825(Top 70%)
21M21.00 mi1.00 mi13741+1134025+364025+3612346(Top 43%)3795(Top 31%)3795(Top 69%)
35K21.75 mi0.75 mi13693+484018+74018+712923(Top 45%)4140(Top 34%)4140(Top 76%)
23M23.00 mi1.25 mi13577+1163998+203998+2012122(Top 43%)3813(Top 31%)3813(Top 70%)
24M24.00 mi1.00 mi13562+154012-144012-1413613(Top 48%)4636(Top 38%)4636(Top 85%)
40K24.85 mi0.85 mi13485+773988+243988+2411900(Top 42%)3887(Top 32%)3887(Top 71%)
25.2M25.20 mi0.35 mi13475+104000-124000-1213237(Top 47%)4655(Top 38%)4655(Top 85%)
Finish26.22 mi1.02 mi13443+324007-74007-712486(Top 44%)4194(Top 34%)4194(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14724

Females

4437

F18-39

4437

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14324

Females

4155

F18-39

4155

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14724

Females

4437

F18-39

4437

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15065

Females

4679

F18-39

4679

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15129

Females

4705

F18-39

4705

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14554

Females

4518

F18-39

4518

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13818

Females

4271

F18-39

4271

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12719

Females

3825

F18-39

3825

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12346

Females

3795

F18-39

3795

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12923

Females

4140

F18-39

4140

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12122

Females

3813

F18-39

3813

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13613

Females

4636

F18-39

4636

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11900

Females

3887

F18-39

3887

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13237

Females

4655

F18-39

4655

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12486

Females

4194

F18-39

4194

Passing Analysis

Category:
Athletes Passed
1621
Passed By
3135
Net Change
-1514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11929
5K → 10K281208-1180#11929#13109
10K → 15K82602-520#13109#13629
15K → 20K114475-361#13629#13990
20K → Half1581-66#13990#14056
Half → 25K154196-42#14056#14098
25K → 30K301197+104#14098#13994
30K → 20M18848+140#13994#13854
20M → 21M16653+113#13854#13741
21M → 35K7729+48#13741#13693
35K → 23M16347+116#13693#13577
23M → 24M9075+15#13577#13562
24M → 40K11235+77#13562#13485
40K → 25.2M4535+10#13485#13475
25.2M → Finish8654+32#13475#13443
TOTALS16213135-1514
📊

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