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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kerrin O'Leary

Bib: 28199 •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
37:12
3.11 mi
Rank: #28787
Start → 5K
37:12 | 11:59/mi
10K
1:12:52
6.21 mi
Rank: #28577 (+210)
5K → 10K
35:40 | 11:29/mi
15K
1:47:46
9.32 mi
Rank: #28305 (+272)
10K → 15K
34:54 | 11:14/mi
20K
2:24:31
12.43 mi
Rank: #28218 (+87)
15K → 20K
36:45 | 11:50/mi
HALF
2:32:22
13.11 mi
Rank: #28206 (+12)
20K → HALF
7:51 | 11:31/mi
25K
3:01:49
15.53 mi
Rank: #28118 (+88)
HALF → 25K
29:27 | 12:09/mi
30K
3:42:51
18.64 mi
Rank: #28076 (+42)
25K → 30K
41:02 | 13:13/mi
20M
4:02:05
20.00 mi
Rank: #28093 (-17)
30K → 20M
19:14 | 14:10/mi
21M
4:18:17
21.00 mi
Rank: #28151 (-58)
20M → 21M
16:12 | 16:12/mi
35K
4:28:51
21.75 mi
Rank: #28166 (-15)
21M → 35K
10:34 | 14:08/mi
23M
4:46:53
23.00 mi
Rank: #28213 (-47)
35K → 23M
18:02 | 14:25/mi
24M
5:01:23
24.00 mi
Rank: #28238 (-25)
23M → 24M
14:30 | 14:30/mi
40K
5:14:27
24.85 mi
Rank: #28264 (-26)
24M → 40K
13:04 | 15:17/mi
25.2M
5:20:26
25.20 mi
Rank: #28296 (-32)
40K → 25.2M
5:59 | 17:21/mi
FINISH
5:34:30
26.22 mi
Rank: #28337 (-41)
25.2M → FINISH
14:04 | 13:49/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
Time2:32:22
Pace11:38 /mi
2nd Half
Distance13.11 mi
Time3:02:08
Pace13:54 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0137:1211:5937:12
11:59
-
10K
6.21 mi12:34:411:12:5211:4435:40
11:29
-0:30
15K
9.32 mi13:09:351:47:4611:3434:54
11:14
-0:15
20K
12.43 mi13:46:202:24:3111:3836:45
11:50
+0:36
HALF
13.11 mi13:54:112:32:2211:387:51
11:31
-0:19
25K
15.53 mi14:23:383:01:4911:4329:27
12:09
+0:38
30K
18.64 mi15:04:403:42:5111:5841:02
13:13
+1:04
20M
20.00 mi15:23:544:02:0512:0719:14
14:10
+0:57
21M
21.00 mi15:40:064:18:1712:1816:12
16:12
+2:02
35K
21.75 mi15:50:404:28:5112:2210:34
14:08
-2:04
23M
23.00 mi16:08:424:46:5312:2918:02
14:25
+0:17
24M
24.00 mi16:23:125:01:2312:3414:30
14:30
+0:05
40K
24.85 mi16:36:165:14:2712:4013:04
15:17
+0:47
25.2M
25.20 mi16:42:155:20:2612:435:59
17:21
+2:04
FINISH
26.22 mi16:56:195:34:3012:4714:04
13:49
-3:32

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

11:14 /mi

Average Pace

12:46 /mi

Slowest Pace

17:21 /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

3:01:49

54% of race

Time at Steady Pace

1:57:26

35% of race

Time at Slower Pace

35:15

11% of race

Average Pace: 12:45 /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 mi11:59:0137:1211:5937:12
11:59
#28787
10K
6.21 mi12:34:411:12:5211:4435:40
11:29
#28577
15K
9.32 mi13:09:351:47:4611:3434:54
11:14
#28305
20K
12.43 mi13:46:202:24:3111:3836:45
11:50
#28218
HALF
13.11 mi13:54:112:32:2211:387:51
11:31
#28206
25K
15.53 mi14:23:383:01:4911:4329:27
12:09
#28118
30K
18.64 mi15:04:403:42:5111:5841:02
13:13
#28076
20M
20.00 mi15:23:544:02:0512:0719:14
14:10
#28093
21M
21.00 mi15:40:064:18:1712:1816:12
16:12
#28151
35K
21.75 mi15:50:404:28:5112:2210:34
14:08
#28166
23M
23.00 mi16:08:424:46:5312:2918:02
14:25
#28213
24M
24.00 mi16:23:125:01:2312:3414:30
14:30
#28238
40K
24.85 mi16:36:165:14:2712:4013:04
15:17
#28264
25.2M
25.20 mi16:42:155:20:2612:435:59
17:21
#28296
FINISH
26.22 mi16:56:195:34:3012:4714:04
13:49
#28337
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 mi28787124161241627706(Top 95%)11733(Top 93%)11733(Top 205%)
10K6.21 mi3.10 mi28577+21012274+14212274+14228212(Top 97%)12040(Top 96%)12040(Top 211%)
15K9.32 mi3.11 mi28305+27212090+18412090+18427706(Top 95%)11733(Top 93%)11733(Top 205%)
20K12.43 mi3.11 mi28218+8712033+5712033+5727868(Top 96%)11838(Top 94%)11838(Top 207%)
HALF13.11 mi0.68 mi28206+1212027+612027+627899(Top 96%)11901(Top 95%)11901(Top 208%)
25K15.53 mi2.42 mi28118+8811985+4211985+4227644(Top 95%)11748(Top 93%)11748(Top 206%)
30K18.64 mi3.11 mi28076+4211968+1711968+1727882(Top 96%)11929(Top 95%)11929(Top 209%)
20M20.00 mi1.36 mi28093-1711987-1911987-1928225(Top 97%)12165(Top 97%)12165(Top 213%)
21M21.00 mi1.00 mi28151-5812022-3512022-3528661(Top 99%)12413(Top 99%)12413(Top 217%)
35K21.75 mi0.75 mi28166-1512038-1612038-1628418(Top 98%)12305(Top 98%)12305(Top 215%)
23M23.00 mi1.25 mi28213-4712066-2812066-2828390(Top 98%)12293(Top 98%)12293(Top 215%)
24M24.00 mi1.00 mi28238-2512085-1912085-1928559(Top 98%)12391(Top 99%)12391(Top 217%)
40K24.85 mi0.85 mi28264-2612105-2012105-2028574(Top 98%)12402(Top 99%)12402(Top 217%)
25.2M25.20 mi0.35 mi28296-3212128-2312128-2328789(Top 99%)12509(Top 99%)12509(Top 219%)
FINISH26.22 mi1.02 mi28337-4112162-3412162-3428622(Top 99%)12421(Top 99%)12421(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21
+97ft-345ft

Overall

27706

Females

11733

F18-39

11733

5K→10K

3.1 - 6.2 mi

Top 97%
×5
+79ft-138ft

Overall

28212

Females

12040

F18-39

12040

10K→15K

6.2 - 9.3 mi

Top 95%
×3
+67ft-78ft

Overall

27706

Females

11733

F18-39

11733

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27868

Females

11838

F18-39

11838

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27899

Females

11901

F18-39

11901

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27644

Females

11748

F18-39

11748

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27882

Females

11929

F18-39

11929

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28225

Females

12165

F18-39

12165

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28661

Females

12413

F18-39

12413

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28418

Females

12305

F18-39

12305

35K→23M

21.8 - 23.0 mi

Top 98%
×5
+23ft-63ft

Overall

28390

Females

12293

F18-39

12293

23M→24M

23.0 - 24.0 mi

Top 98%
×6
+12ft-82ft

Overall

28559

Females

12391

F18-39

12391

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28574

Females

12402

F18-39

12402

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28789

Females

12509

F18-39

12509

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28622

Females

12421

F18-39

12421

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
866*
Passed By
416
Net Change
+450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28787
5K → 10K216*6+210#28787#28577
10K → 15K275*3+272#28577#28305
15K → 20K10720+87#28305#28218
20K → HALF175+12#28218#28206
HALF → 25K10214+88#28206#28118
25K → 30K7735+42#28118#28076
30K → 20M2643-17#28076#28093
20M → 21M664-58#28093#28151
21M → 35K823-15#28151#28166
35K → 23M754-47#28166#28213
23M → 24M833-25#28213#28238
24M → 40K733-26#28238#28264
40K → 25.2M133-32#28264#28296
25.2M → FINISH950-41#28296#28337
TOTALS866*416+450

* 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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