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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Caitlin O'Callaghan

Bib: 31545 β€’F β€’Age: N/A

MA

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 (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Caitlin

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 9:49/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
31:06
3.11 mi
Rank: #25984
Start β†’ 5K
31:06 | 10:01/mi
10K
1:01:44
6.21 mi
Rank: #25751 (+233)
5K β†’ 10K
30:38 | 9:52/mi
15K
1:32:13
9.32 mi
Rank: #25568 (+183)
10K β†’ 15K
30:29 | 9:49/mi
20K
2:04:08
12.43 mi
Rank: #25557 (+11)
15K β†’ 20K
31:55 | 10:17/mi
HALF
2:10:50
13.11 mi
Rank: #25540 (+17)
20K β†’ HALF
6:42 | 9:50/mi
25K
2:36:17
15.53 mi
Rank: #25547 (-7)
HALF β†’ 25K
25:27 | 10:30/mi
30K
3:11:15
18.64 mi
Rank: #25577 (-30)
25K β†’ 30K
34:58 | 11:16/mi
20M
3:28:07
20.00 mi
Rank: #25761 (-184)
30K β†’ 20M
16:52 | 12:26/mi
21M
3:41:56
21.00 mi
Rank: #25896 (-135)
20M β†’ 21M
13:49 | 13:49/mi
35K
3:50:11
21.75 mi
Rank: #25883 (+13)
21M β†’ 35K
8:15 | 11:02/mi
23M
4:04:50
23.00 mi
Rank: #25894 (-11)
35K β†’ 23M
14:39 | 11:43/mi
24M
4:15:32
24.00 mi
Rank: #25841 (+53)
23M β†’ 24M
10:42 | 10:42/mi
40K
4:25:17
24.85 mi
Rank: #25801 (+40)
24M β†’ 40K
9:45 | 11:25/mi
25.2M
4:29:33
25.20 mi
Rank: #25794 (+7)
40K β†’ 25.2M
4:16 | 12:23/mi
FINISH
4:40:34
26.22 mi
Rank: #25808 (-14)
25.2M β†’ FINISH
11:01 | 10:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:10:50
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:29:44
Pace11:26 /mi
πŸ“ŠPositive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5131:0610:0131:06
10:01
-
10K
6.21 mi12:28:291:01:449:5730:38
9:52
-0:09
15K
9.32 mi12:58:581:32:139:5430:29
9:49
-0:03
20K
12.43 mi13:30:532:04:0810:0031:55
10:17
+0:28
HALF
13.11 mi13:37:352:10:509:596:42
9:50
-0:27
25K
15.53 mi14:03:022:36:1710:0425:27
10:30
+0:40
30K
18.64 mi14:38:003:11:1510:1634:58
11:16
+0:46
20M
20.00 mi14:54:523:28:0710:2516:52
12:26
+1:10
21M
21.00 mi15:08:413:41:5610:3513:49
13:49
+1:23
35K
21.75 mi15:16:563:50:1110:368:15
11:02
-2:47
23M
23.00 mi15:31:354:04:5010:3914:39
11:43
+0:41
24M
24.00 mi15:42:174:15:3210:3910:42
10:42
-1:01
40K
24.85 mi15:52:024:25:1710:419:45
11:25
+0:43
25.2M
25.20 mi15:56:184:29:3310:424:16
12:23
+0:58
FINISH
26.22 mi16:07:194:40:3410:4311:01
10:49
-1:34

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:49 /mi

Average Pace

10:43 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:38:55

35% of race

Time at Steady Pace

2:02:18

44% of race

Time at Slower Pace

59:21

21% of race

Average Pace: 10:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:57:5131:0610:0131:06
10:01
#25984
10K
6.21 mi12:28:291:01:449:5730:38
9:52
#25751
15K
9.32 mi12:58:581:32:139:5430:29
9:49
#25568
20K
12.43 mi13:30:532:04:0810:0031:55
10:17
#25557
HALF
13.11 mi13:37:352:10:509:596:42
9:50
#25540
25K
15.53 mi14:03:022:36:1710:0425:27
10:30
#25547
30K
18.64 mi14:38:003:11:1510:1634:58
11:16
#25577
20M
20.00 mi14:54:523:28:0710:2516:52
12:26
#25761
21M
21.00 mi15:08:413:41:5610:3513:49
13:49
#25896
35K
21.75 mi15:16:563:50:1110:368:15
11:02
#25883
23M
23.00 mi15:31:354:04:5010:3914:39
11:43
#25894
24M
24.00 mi15:42:174:15:3210:3910:42
10:42
#25841
40K
24.85 mi15:52:024:25:1710:419:45
11:25
#25801
25.2M
25.20 mi15:56:184:29:3310:424:16
12:23
#25794
FINISH
26.22 mi16:07:194:40:3410:4311:01
10:49
#25808
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 mi25984106931069325252(Top 87%)10311(Top 82%)10311(Top 594%)
10K6.21 mi3.10 mi25751+23310592+10110592+10125506(Top 88%)10443(Top 83%)10443(Top 601%)
15K9.32 mi3.11 mi25568+18310492+10010492+10025252(Top 87%)10311(Top 82%)10311(Top 594%)
20K12.43 mi3.11 mi25557+1110479+1310479+1325660(Top 88%)10564(Top 84%)10564(Top 608%)
HALF13.11 mi0.68 mi25540+1710472+710472+725264(Top 87%)10365(Top 82%)10365(Top 597%)
25K15.53 mi2.42 mi25547-710486-1410486-1425437(Top 88%)10488(Top 83%)10488(Top 604%)
30K18.64 mi3.11 mi25577-3010534-4810534-4825792(Top 89%)10783(Top 86%)10783(Top 621%)
20M20.00 mi1.36 mi25761-18410649-11510649-11526872(Top 93%)11443(Top 91%)11443(Top 659%)
21M21.00 mi1.00 mi25896-13510742-9310742-9327175(Top 94%)11641(Top 93%)11641(Top 670%)
35K21.75 mi0.75 mi25883+1310740+210740+225321(Top 87%)10689(Top 85%)10689(Top 615%)
23M23.00 mi1.25 mi25894-1110767-2710767-2725739(Top 89%)10934(Top 87%)10934(Top 629%)
24M24.00 mi1.00 mi25841+5310749+1810749+1824523(Top 85%)10359(Top 82%)10359(Top 596%)
40K24.85 mi0.85 mi25801+4010739+1010739+1024965(Top 86%)10617(Top 84%)10617(Top 611%)
25.2M25.20 mi0.35 mi25794+710741-210741-225164(Top 87%)10704(Top 85%)10704(Top 616%)
FINISH26.22 mi1.02 mi25808-1410761-2010761-2025758(Top 89%)11038(Top 88%)11038(Top 635%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
Γ—21
+97ft-345ft

Overall

25252

Females

10311

F40-44

10311

5K→10K

3.1 - 6.2 mi

Top 88%
Γ—5
+79ft-138ft

Overall

25506

Females

10443

F40-44

10443

10K→15K

6.2 - 9.3 mi

Top 87%
Γ—3
+67ft-78ft

Overall

25252

Females

10311

F40-44

10311

15K→20K

9.3 - 12.4 mi

Top 88%
Γ—5
+106ft-86ft

Overall

25660

Females

10564

F40-44

10564

20K→HALF

12.4 - 13.1 mi

Top 87%
Γ—2
+19ft-37ft

Overall

25264

Females

10365

F40-44

10365

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25437

Females

10488

F40-44

10488

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25792

Females

10783

F40-44

10783

30K→20M

18.6 - 20.0 mi

Top 93%
Γ—5
+64ft-50ft

Overall

26872

Females

11443

F40-44

11443

20M→21M

20.0 - 21.0 mi

Top 94%
Γ—8
+106ft-24ft

Overall

27175

Females

11641

F40-44

11641

21M→35K

21.0 - 21.8 mi

Top 87%
Γ—7
+17ft-86ft

Overall

25321

Females

10689

F40-44

10689

35K→23M

21.8 - 23.0 mi

Top 89%
Γ—5
+23ft-63ft

Overall

25739

Females

10934

F40-44

10934

23M→24M

23.0 - 24.0 mi

Top 85%
Γ—6
+12ft-82ft

Overall

24523

Females

10359

F40-44

10359

24M→40K

24.0 - 24.9 mi

Top 86%
Γ—1
+6ft-20ft

Overall

24965

Females

10617

F40-44

10617

40K→25.2M

24.9 - 25.2 mi

Top 87%
Γ—1
+13ft-16ft

Overall

25164

Females

10704

F40-44

10704

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25758

Females

11038

F40-44

11038

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1241*
Passed By
1059
Net Change
+176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25984
5K β†’ 10K346*113+233#25984#25751
10K β†’ 15K228*45+183#25751#25568
15K β†’ 20K122111+11#25568#25557
20K β†’ HALF3417+17#25557#25540
HALF β†’ 25K8592-7#25540#25547
25K β†’ 30K125155-30#25547#25577
30K β†’ 20M22200-184#25577#25761
20M β†’ 21M22157-135#25761#25896
21M β†’ 35K4431+13#25896#25883
35K β†’ 23M4758-11#25883#25894
23M β†’ 24M6310+53#25894#25841
24M β†’ 40K6121+40#25841#25801
40K β†’ 25.2M158+7#25801#25794
25.2M β†’ FINISH2741-14#25794#25808
TOTALS1241*1059+176

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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