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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katherine Marrese

Bib: 27306 •F •Age: N/A

RI

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
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
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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
28:43
3.11 mi
Rank: #23593
Start → 5K
28:43 | 9:15/mi
10K
56:13
6.21 mi
Rank: #22950 (+643)
5K → 10K
27:30 | 8:52/mi
15K
1:24:03
9.32 mi
Rank: #22808 (+142)
10K → 15K
27:50 | 8:58/mi
20K
1:52:16
12.43 mi
Rank: #22639 (+169)
15K → 20K
28:13 | 9:05/mi
HALF
1:58:27
13.11 mi
Rank: #22656 (-17)
20K → HALF
6:11 | 9:05/mi
25K
2:21:02
15.53 mi
Rank: #22632 (+24)
HALF → 25K
22:35 | 9:19/mi
30K
2:50:59
18.64 mi
Rank: #22520 (+112)
25K → 30K
29:57 | 9:39/mi
20M
3:03:53
20.00 mi
Rank: #22392 (+128)
30K → 20M
12:54 | 9:30/mi
21M
3:15:05
21.00 mi
Rank: #22500 (-108)
20M → 21M
11:12 | 11:12/mi
35K
3:22:09
21.75 mi
Rank: #22453 (+47)
21M → 35K
7:04 | 9:27/mi
23M
3:36:05
23.00 mi
Rank: #22634 (-181)
35K → 23M
13:56 | 11:09/mi
24M
3:46:21
24.00 mi
Rank: #22676 (-42)
23M → 24M
10:16 | 10:16/mi
40K
3:56:28
24.85 mi
Rank: #22820 (-144)
24M → 40K
10:07 | 11:50/mi
25.2M
4:00:21
25.20 mi
Rank: #22827 (-7)
40K → 25.2M
3:53 | 11:16/mi
FINISH
4:09:17
26.22 mi
Rank: #22717 (+110)
25.2M → FINISH
8:56 | 8:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:27
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:10:50
Pace9:59 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1028:439:1528:43
9:15
-
10K
6.21 mi12:17:4056:139:0327:30
8:52
-0:23
15K
9.32 mi12:45:301:24:039:0227:50
8:58
+0:06
20K
12.43 mi13:13:431:52:169:0328:13
9:05
+0:07
HALF
13.11 mi13:19:541:58:279:036:11
9:05
0:00
25K
15.53 mi13:42:292:21:029:0522:35
9:19
+0:14
30K
18.64 mi14:12:262:50:599:1129:57
9:39
+0:20
20M
20.00 mi14:25:203:03:539:1212:54
9:30
-0:09
21M
21.00 mi14:36:323:15:059:1811:12
11:12
+1:42
35K
21.75 mi14:43:363:22:099:187:04
9:27
-1:45
23M
23.00 mi14:57:323:36:059:2413:56
11:09
+1:42
24M
24.00 mi15:07:483:46:219:2610:16
10:16
-0:53
40K
24.85 mi15:17:553:56:289:3110:07
11:50
+1:34
25.2M
25.20 mi15:21:484:00:219:333:53
11:16
-0:34
FINISH
26.22 mi15:30:444:09:179:318:56
8:46
-2:30

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

8:46 /mi

Average Pace

9:31 /mi

Slowest Pace

11:50 /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

36:26

15% of race

Time at Steady Pace

2:43:27

66% of race

Time at Slower Pace

49:24

20% of race

Average Pace: 9:30 /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 mi11:50:1028:439:1528:43
9:15
#23593
10K
6.21 mi12:17:4056:139:0327:30
8:52
#22950
15K
9.32 mi12:45:301:24:039:0227:50
8:58
#22808
20K
12.43 mi13:13:431:52:169:0328:13
9:05
#22639
HALF
13.11 mi13:19:541:58:279:036:11
9:05
#22656
25K
15.53 mi13:42:292:21:029:0522:35
9:19
#22632
30K
18.64 mi14:12:262:50:599:1129:57
9:39
#22520
20M
20.00 mi14:25:203:03:539:1212:54
9:30
#22392
21M
21.00 mi14:36:323:15:059:1811:12
11:12
#22500
35K
21.75 mi14:43:363:22:099:187:04
9:27
#22453
23M
23.00 mi14:57:323:36:059:2413:56
11:09
#22634
24M
24.00 mi15:07:483:46:219:2610:16
10:16
#22676
40K
24.85 mi15:17:553:56:289:3110:07
11:50
#22820
25.2M
25.20 mi15:21:484:00:219:333:53
11:16
#22827
FINISH
26.22 mi15:30:444:09:179:318:56
8:46
#22717
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi235939475947522512(Top 78%)8884(Top 71%)8884(Top 497%)
10K6.21 mi3.10 mi22950+6439135+3409135+34022165(Top 76%)8742(Top 70%)8742(Top 489%)
15K9.32 mi3.11 mi22808+1429048+879048+8722512(Top 78%)8884(Top 71%)8884(Top 497%)
20K12.43 mi3.11 mi22639+1698965+838965+8322291(Top 77%)8811(Top 70%)8811(Top 493%)
HALF13.11 mi0.68 mi22656-178977-128977-1223069(Top 79%)9199(Top 73%)9199(Top 515%)
25K15.53 mi2.42 mi22632+248975+28975+222454(Top 77%)8909(Top 71%)8909(Top 499%)
30K18.64 mi3.11 mi22520+1128958+178958+1722082(Top 76%)8808(Top 70%)8808(Top 493%)
20M20.00 mi1.36 mi22392+1288899+598899+5921071(Top 73%)8380(Top 67%)8380(Top 469%)
21M21.00 mi1.00 mi22500-1088973-748973-7423556(Top 81%)9721(Top 77%)9721(Top 544%)
35K21.75 mi0.75 mi22453+478953+208953+2021623(Top 75%)8762(Top 70%)8762(Top 491%)
23M23.00 mi1.25 mi22634-1819078-1259078-12524768(Top 85%)10457(Top 83%)10457(Top 585%)
24M24.00 mi1.00 mi22676-429117-399117-3923527(Top 81%)9817(Top 78%)9817(Top 550%)
40K24.85 mi0.85 mi22820-1449198-819198-8125629(Top 88%)10957(Top 87%)10957(Top 613%)
25.2M25.20 mi0.35 mi22827-79202-49202-423008(Top 79%)9606(Top 76%)9606(Top 538%)
FINISH26.22 mi1.02 mi22717+1109158+449158+4419532(Top 67%)7844(Top 62%)7844(Top 439%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22512

Females

8884

F45-49

8884

5K→10K

3.1 - 6.2 mi

Top 76%
×5
+79ft-138ft

Overall

22165

Females

8742

F45-49

8742

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22512

Females

8884

F45-49

8884

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22291

Females

8811

F45-49

8811

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

23069

Females

9199

F45-49

9199

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22454

Females

8909

F45-49

8909

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22082

Females

8808

F45-49

8808

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21071

Females

8380

F45-49

8380

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23556

Females

9721

F45-49

9721

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21623

Females

8762

F45-49

8762

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24768

Females

10457

F45-49

10457

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23527

Females

9817

F45-49

9817

24M→40K

24.0 - 24.9 mi

Top 88%
×1
+6ft-20ft

Overall

25629

Females

10957

F45-49

10957

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

23008

Females

9606

F45-49

9606

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19532

Females

7844

F45-49

7844

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2043*
Passed By
1154
Net Change
+876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23593
5K → 10K689*46+643#23593#22950
10K → 15K249*107+142#22950#22808
15K → 20K232*63+169#22808#22639
20K → HALF2744-17#22639#22656
HALF → 25K132108+24#22656#22632
25K → 30K240*128+112#22632#22520
30K → 20M14113+128#22520#22392
20M → 21M44152-108#22392#22500
21M → 35K6821+47#22500#22453
35K → 23M32200-181#22453#22634
23M → 24M3779-42#22634#22676
24M → 40K20164-144#22676#22820
40K → 25.2M1623-7#22820#22827
25.2M → FINISH1166+110#22827#22717
TOTALS2043*1154+876

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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