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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Grace Sciacca

Bib: 28816 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
34:00
3.11 mi
Rank: #27944
Start → 5K
34:00 | 10:57/mi
10K
1:08:40
6.21 mi
Rank: #27938 (+6)
5K → 10K
34:40 | 11:10/mi
15K
1:44:08
9.32 mi
Rank: #27931 (+7)
10K → 15K
35:28 | 11:25/mi
20K
2:21:00
12.43 mi
Rank: #27945 (-14)
15K → 20K
36:52 | 11:52/mi
HALF
2:28:53
13.11 mi
Rank: #27952 (-7)
20K → HALF
7:53 | 11:34/mi
25K
2:59:32
15.53 mi
Rank: #27988 (-36)
HALF → 25K
30:39 | 12:39/mi
30K
3:37:28
18.64 mi
Rank: #27819 (+169)
25K → 30K
37:56 | 12:13/mi
20M
3:55:35
20.00 mi
Rank: #27830 (-11)
30K → 20M
18:07 | 13:21/mi
21M
4:09:51
21.00 mi
Rank: #27819 (+11)
20M → 21M
14:16 | 14:16/mi
35K
4:20:40
21.75 mi
Rank: #27865 (-46)
21M → 35K
10:49 | 14:28/mi
23M
4:37:15
23.00 mi
Rank: #27859 (+6)
35K → 23M
16:35 | 13:16/mi
24M
4:49:54
24.00 mi
Rank: #27850 (+9)
23M → 24M
12:39 | 12:39/mi
40K
5:01:10
24.85 mi
Rank: #27845 (+5)
24M → 40K
11:16 | 13:11/mi
25.2M
5:05:47
25.20 mi
Rank: #27837 (+8)
40K → 25.2M
4:37 | 13:24/mi
FINISH
5:17:36
26.22 mi
Rank: #27809 (+28)
25.2M → FINISH
11:49 | 11:36/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:28:53
Pace11:22 /mi
2nd Half
Distance13.11 mi
Time2:48:43
Pace12:53 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:0334:0010:5734:00
10:57
-
10K
6.21 mi12:35:431:08:4011:0434:40
11:10
+0:13
15K
9.32 mi13:11:111:44:0811:1135:28
11:25
+0:15
20K
12.43 mi13:48:032:21:0011:2136:52
11:52
+0:27
HALF
13.11 mi13:55:562:28:5311:227:53
11:34
-0:18
25K
15.53 mi14:26:352:59:3211:3430:39
12:39
+1:05
30K
18.64 mi15:04:313:37:2811:4037:56
12:13
-0:26
20M
20.00 mi15:22:383:55:3511:4718:07
13:21
+1:08
21M
21.00 mi15:36:544:09:5111:5414:16
14:16
+0:55
35K
21.75 mi15:47:434:20:4012:0010:49
14:28
+0:12
23M
23.00 mi16:04:184:37:1512:0416:35
13:16
-1:12
24M
24.00 mi16:16:574:49:5412:0512:39
12:39
-0:37
40K
24.85 mi16:28:135:01:1012:0811:16
13:11
+0:32
25.2M
25.20 mi16:32:505:05:4712:094:37
13:24
+0:13
FINISH
26.22 mi16:44:395:17:3612:0811:49
11:36
-1:48

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

10:57 /mi

Average Pace

12:07 /mi

Slowest Pace

14:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:40:42

51% of race

Time at Steady Pace

1:32:30

29% of race

Time at Slower Pace

1:04:24

20% of race

Average Pace: 12:07 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:01:0334:0010:5734:00
10:57
#27944
10K
6.21 mi12:35:431:08:4011:0434:40
11:10
#27938
15K
9.32 mi13:11:111:44:0811:1135:28
11:25
#27931
20K
12.43 mi13:48:032:21:0011:2136:52
11:52
#27945
HALF
13.11 mi13:55:562:28:5311:227:53
11:34
#27952
25K
15.53 mi14:26:352:59:3211:3430:39
12:39
#27988
30K
18.64 mi15:04:313:37:2811:4037:56
12:13
#27819
20M
20.00 mi15:22:383:55:3511:4718:07
13:21
#27830
21M
21.00 mi15:36:544:09:5111:5414:16
14:16
#27819
35K
21.75 mi15:47:434:20:4012:0010:49
14:28
#27865
23M
23.00 mi16:04:184:37:1512:0416:35
13:16
#27859
24M
24.00 mi16:16:574:49:5412:0512:39
12:39
#27850
40K
24.85 mi16:28:135:01:1012:0811:16
13:11
#27845
25.2M
25.20 mi16:32:505:05:4712:094:37
13:24
#27837
FINISH
26.22 mi16:44:395:17:3612:0811:49
11:36
#27809
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27944118491184927892(Top 96%)11848(Top 94%)11848(Top 207%)
10K6.21 mi3.10 mi27938+6118491184927875(Top 96%)11839(Top 94%)11839(Top 207%)
15K9.32 mi3.11 mi27931+7118491184927892(Top 96%)11848(Top 94%)11848(Top 207%)
20K12.43 mi3.11 mi27945-1411862-1311862-1327903(Top 96%)11855(Top 94%)11855(Top 207%)
HALF13.11 mi0.68 mi27952-711870-811870-827937(Top 96%)11918(Top 95%)11918(Top 209%)
25K15.53 mi2.42 mi27988-3611906-3611906-3628014(Top 97%)11962(Top 95%)11962(Top 209%)
30K18.64 mi3.11 mi27819+16911819+8711819+8727041(Top 93%)11476(Top 91%)11476(Top 201%)
20M20.00 mi1.36 mi27830-1111830-1111830-1127690(Top 95%)11870(Top 94%)11870(Top 208%)
21M21.00 mi1.00 mi27819+1111828+211828+227545(Top 95%)11828(Top 94%)11828(Top 207%)
35K21.75 mi0.75 mi27865-4611854-2611854-2628546(Top 98%)12376(Top 98%)12376(Top 217%)
23M23.00 mi1.25 mi27859+611861-711861-727596(Top 95%)11861(Top 94%)11861(Top 208%)
24M24.00 mi1.00 mi27850+911862-111862-127345(Top 94%)11789(Top 94%)11789(Top 206%)
40K24.85 mi0.85 mi27845+511864-211864-227219(Top 94%)11738(Top 93%)11738(Top 205%)
25.2M25.20 mi0.35 mi27837+811863+111863+126567(Top 92%)11409(Top 91%)11409(Top 200%)
FINISH26.22 mi1.02 mi27809+2811857+611857+627001(Top 93%)11643(Top 93%)11643(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21
+97ft-345ft

Overall

27892

Females

11848

F18-39

11848

5K→10K

3.1 - 6.2 mi

Top 96%
×5
+79ft-138ft

Overall

27875

Females

11839

F18-39

11839

10K→15K

6.2 - 9.3 mi

Top 96%
×3
+67ft-78ft

Overall

27892

Females

11848

F18-39

11848

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27903

Females

11855

F18-39

11855

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27937

Females

11918

F18-39

11918

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28014

Females

11962

F18-39

11962

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

27041

Females

11476

F18-39

11476

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27690

Females

11870

F18-39

11870

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27545

Females

11828

F18-39

11828

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28546

Females

12376

F18-39

12376

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27596

Females

11861

F18-39

11861

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27345

Females

11789

F18-39

11789

24M→40K

24.0 - 24.9 mi

Top 94%
×1
+6ft-20ft

Overall

27219

Females

11738

F18-39

11738

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1
+13ft-16ft

Overall

26567

Females

11409

F18-39

11409

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
×2
+22ft-21ft

Overall

27001

Females

11643

F18-39

11643

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
686
Passed By
551
Net Change
+135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27944
5K → 10K125119+6#27944#27938
10K → 15K9891+7#27938#27931
15K → 20K6175-14#27931#27945
20K → HALF1522-7#27945#27952
HALF → 25K4480-36#27952#27988
25K → 30K18011+169#27988#27819
30K → 20M2435-11#27819#27830
20M → 21M2918+11#27830#27819
21M → 35K652-46#27819#27865
35K → 23M2317+6#27865#27859
23M → 24M1910+9#27859#27850
24M → 40K1712+5#27850#27845
40K → 25.2M124+8#27845#27837
25.2M → FINISH335+28#27837#27809
TOTALS686551+135
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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