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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Macarena Cornejo

Bib: 20965 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 43%
Age Group (F40-44)
#0 / 1737
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
24:44
3.11 mi
Rank: #16663
Start → 5K
24:44 | 7:58/mi
10K
49:52
6.21 mi
Rank: #17268 (-605)
5K → 10K
25:08 | 8:06/mi
15K
1:15:11
9.32 mi
Rank: #17538 (-270)
10K → 15K
25:19 | 8:09/mi
20K
1:41:07
12.43 mi
Rank: #17761 (-223)
15K → 20K
25:56 | 8:21/mi
HALF
1:46:46
13.11 mi
Rank: #17817 (-56)
20K → HALF
5:39 | 8:18/mi
25K
2:07:23
15.53 mi
Rank: #17947 (-130)
HALF → 25K
20:37 | 8:31/mi
30K
2:35:03
18.64 mi
Rank: #18137 (-190)
25K → 30K
27:40 | 8:55/mi
20M
2:47:03
20.00 mi
Rank: #18108 (+29)
30K → 20M
12:00 | 8:51/mi
21M
2:56:26
21.00 mi
Rank: #18082 (+26)
20M → 21M
9:23 | 9:23/mi
35K
3:02:50
21.75 mi
Rank: #18073 (+9)
21M → 35K
6:24 | 8:34/mi
23M
3:14:08
23.00 mi
Rank: #18096 (-23)
35K → 23M
11:18 | 9:02/mi
24M
3:22:45
24.00 mi
Rank: #18062 (+34)
23M → 24M
8:37 | 8:37/mi
40K
3:30:29
24.85 mi
Rank: #18083 (-21)
24M → 40K
7:44 | 9:03/mi
25.2M
3:33:57
25.20 mi
Rank: #18107 (-24)
40K → 25.2M
3:28 | 10:04/mi
FINISH
3:42:56
26.22 mi
Rank: #18169 (-62)
25.2M → FINISH
8:59 | 8:49/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
Time1:46:46
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0324:447:5824:44
7:58
-
10K
6.21 mi11:51:1149:528:0225:08
8:06
+0:08
15K
9.32 mi12:16:301:15:118:0425:19
8:09
+0:03
20K
12.43 mi12:42:261:41:078:0925:56
8:21
+0:12
HALF
13.11 mi12:48:051:46:468:095:39
8:18
-0:03
25K
15.53 mi13:08:422:07:238:1320:37
8:31
+0:13
30K
18.64 mi13:36:222:35:038:2027:40
8:55
+0:24
20M
20.00 mi13:48:222:47:038:2212:00
8:51
-0:04
21M
21.00 mi13:57:452:56:268:259:23
9:23
+0:32
35K
21.75 mi14:04:093:02:508:256:24
8:34
-0:49
23M
23.00 mi14:15:273:14:088:2711:18
9:02
+0:28
24M
24.00 mi14:24:043:22:458:278:37
8:37
-0:25
40K
24.85 mi14:31:483:30:298:297:44
9:03
+0:26
25.2M
25.20 mi14:35:163:33:578:303:28
10:04
+1:01
FINISH
26.22 mi14:44:153:42:568:318:59
8:49
-1:15

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

7:58 /mi

Average Pace

8:31 /mi

Slowest Pace

10:04 /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

1:46:46

48% of race

Time at Steady Pace

56:37

25% of race

Time at Slower Pace

59:33

27% of race

Average Pace: 8:30 /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 mi11:26:0324:447:5824:44
7:58
#16663
10K
6.21 mi11:51:1149:528:0225:08
8:06
#17268
15K
9.32 mi12:16:301:15:118:0425:19
8:09
#17538
20K
12.43 mi12:42:261:41:078:0925:56
8:21
#17761
HALF
13.11 mi12:48:051:46:468:095:39
8:18
#17817
25K
15.53 mi13:08:422:07:238:1320:37
8:31
#17947
30K
18.64 mi13:36:222:35:038:2027:40
8:55
#18137
20M
20.00 mi13:48:222:47:038:2212:00
8:51
#18108
21M
21.00 mi13:57:452:56:268:259:23
9:23
#18082
35K
21.75 mi14:04:093:02:508:256:24
8:34
#18073
23M
23.00 mi14:15:273:14:088:2711:18
9:02
#18096
24M
24.00 mi14:24:043:22:458:278:37
8:37
#18062
40K
24.85 mi14:31:483:30:298:297:44
9:03
#18083
25.2M
25.20 mi14:35:163:33:578:303:28
10:04
#18107
FINISH
26.22 mi14:44:153:42:568:318:59
8:49
#18169
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi166635725572518008(Top 62%)6478(Top 52%)6478(Top 373%)
10K6.21 mi3.10 mi17268-6056081-3566081-35617907(Top 62%)6438(Top 51%)6438(Top 371%)
15K9.32 mi3.11 mi17538-2706243-1626243-16218008(Top 62%)6478(Top 52%)6478(Top 373%)
20K12.43 mi3.11 mi17761-2236367-1246367-12418404(Top 63%)6744(Top 54%)6744(Top 388%)
HALF13.11 mi0.68 mi17817-566389-226389-2218991(Top 65%)7037(Top 56%)7037(Top 405%)
25K15.53 mi2.42 mi17947-1306468-796468-7918593(Top 64%)6899(Top 55%)6899(Top 397%)
30K18.64 mi3.11 mi18137-1906613-1456613-14519103(Top 66%)7267(Top 58%)7267(Top 418%)
20M20.00 mi1.36 mi18108+296628-156628-1518154(Top 63%)6840(Top 54%)6840(Top 394%)
21M21.00 mi1.00 mi18082+266633-56633-518023(Top 62%)6803(Top 54%)6803(Top 392%)
35K21.75 mi0.75 mi18073+96637-46637-417912(Top 62%)6846(Top 54%)6846(Top 394%)
23M23.00 mi1.25 mi18096-236670-336670-3318638(Top 64%)7292(Top 58%)7292(Top 420%)
24M24.00 mi1.00 mi18062+346667+36667+317597(Top 61%)6786(Top 54%)6786(Top 391%)
40K24.85 mi0.85 mi18083-216699-326699-3218622(Top 64%)7373(Top 59%)7373(Top 424%)
25.2M25.20 mi0.35 mi18107-246713-146713-1419613(Top 68%)7868(Top 63%)7868(Top 453%)
FINISH26.22 mi1.02 mi18169-626761-486761-4819722(Top 68%)7940(Top 63%)7940(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18008

Females

6478

F40-44

6478

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

17907

Females

6438

F40-44

6438

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18008

Females

6478

F40-44

6478

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18404

Females

6744

F40-44

6744

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18991

Females

7037

F40-44

7037

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18593

Females

6899

F40-44

6899

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19103

Females

7267

F40-44

7267

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18154

Females

6840

F40-44

6840

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18023

Females

6803

F40-44

6803

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17912

Females

6846

F40-44

6846

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18638

Females

7292

F40-44

7292

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17597

Females

6786

F40-44

6786

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18622

Females

7373

F40-44

7373

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19613

Females

7868

F40-44

7868

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19722

Females

7940

F40-44

7940

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1106
Passed By
1663
Net Change
-1506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16663
5K → 10K91200-605#16663#17268
10K → 15K104200-270#17268#17538
15K → 20K107200-223#17538#17761
20K → HALF1470-56#17761#17817
HALF → 25K92200-130#17817#17947
25K → 30K137200-190#17947#18137
30K → 20M10879+29#18137#18108
20M → 21M9569+26#18108#18082
21M → 35K5849+9#18082#18073
35K → 23M87110-23#18073#18096
23M → 24M8551+34#18096#18062
24M → 40K6687-21#18062#18083
40K → 25.2M1741-24#18083#18107
25.2M → FINISH45107-62#18107#18169
TOTALS11061663-1506
📊

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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