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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Deirdre O'Flynn

Bib: 27501 β€’F β€’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
51Β°/41Β°F
overcast clouds
Personalized for Deirdre

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· 10:31/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
32:45
3.11 mi
Rank: #27257
Start β†’ 5K
32:45 | 10:33/mi
10K
1:05:57
6.21 mi
Rank: #27265 (-8)
5K β†’ 10K
33:12 | 10:42/mi
15K
1:39:42
9.32 mi
Rank: #27259 (+6)
10K β†’ 15K
33:45 | 10:52/mi
20K
2:13:51
12.43 mi
Rank: #27173 (+86)
15K β†’ 20K
34:09 | 11:00/mi
HALF
2:21:01
13.11 mi
Rank: #27142 (+31)
20K β†’ HALF
7:10 | 10:31/mi
25K
2:47:26
15.53 mi
Rank: #26980 (+162)
HALF β†’ 25K
26:25 | 10:54/mi
30K
3:23:37
18.64 mi
Rank: #26858 (+122)
25K β†’ 30K
36:11 | 11:39/mi
20M
3:40:19
20.00 mi
Rank: #26882 (-24)
30K β†’ 20M
16:42 | 12:18/mi
21M
3:53:03
21.00 mi
Rank: #26854 (+28)
20M β†’ 21M
12:44 | 12:44/mi
35K
4:01:24
21.75 mi
Rank: #26815 (+39)
21M β†’ 35K
8:21 | 11:10/mi
23M
4:16:17
23.00 mi
Rank: #26788 (+27)
35K β†’ 23M
14:53 | 11:54/mi
24M
4:27:41
24.00 mi
Rank: #26745 (+43)
23M β†’ 24M
11:24 | 11:24/mi
40K
4:37:40
24.85 mi
Rank: #26701 (+44)
24M β†’ 40K
9:59 | 11:41/mi
25.2M
4:42:12
25.20 mi
Rank: #26698 (+3)
40K β†’ 25.2M
4:32 | 13:09/mi
FINISH
4:53:24
26.22 mi
Rank: #26693 (+5)
25.2M β†’ FINISH
11:12 | 11:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:21:01
Pace10:46 /mi
2nd Half
Distance13.11 mi
Time2:32:23
Pace11:38 /mi
πŸ“ŠPositive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5432:4510:3332:45
10:33
-
10K
6.21 mi12:28:061:05:5710:3733:12
10:42
+0:09
15K
9.32 mi13:01:511:39:4210:4233:45
10:52
+0:10
20K
12.43 mi13:36:002:13:5110:4734:09
11:00
+0:08
HALF
13.11 mi13:43:102:21:0110:467:10
10:31
-0:29
25K
15.53 mi14:09:352:47:2610:4726:25
10:54
+0:23
30K
18.64 mi14:45:463:23:3710:5636:11
11:39
+0:45
20M
20.00 mi15:02:283:40:1911:0116:42
12:18
+0:39
21M
21.00 mi15:15:123:53:0311:0612:44
12:44
+0:26
35K
21.75 mi15:23:334:01:2411:068:21
11:10
-1:34
23M
23.00 mi15:38:264:16:1711:0914:53
11:54
+0:44
24M
24.00 mi15:49:504:27:4111:1011:24
11:24
-0:30
40K
24.85 mi15:59:494:37:4011:119:59
11:41
+0:17
25.2M
25.20 mi16:04:214:42:1211:124:32
13:09
+1:28
FINISH
26.22 mi16:15:334:53:2411:1211:12
11:00
-2:09

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

10:31 /mi

Average Pace

11:12 /mi

Slowest Pace

13:09 /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

1:13:07

25% of race

Time at Steady Pace

2:05:16

43% of race

Time at Slower Pace

1:35:01

32% of race

Average Pace: 11:11 /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 mi11:54:5432:4510:3332:45
10:33
#27257
10K
6.21 mi12:28:061:05:5710:3733:12
10:42
#27265
15K
9.32 mi13:01:511:39:4210:4233:45
10:52
#27259
20K
12.43 mi13:36:002:13:5110:4734:09
11:00
#27173
HALF
13.11 mi13:43:102:21:0110:467:10
10:31
#27142
25K
15.53 mi14:09:352:47:2610:4726:25
10:54
#26980
30K
18.64 mi14:45:463:23:3710:5636:11
11:39
#26858
20M
20.00 mi15:02:283:40:1911:0116:42
12:18
#26882
21M
21.00 mi15:15:123:53:0311:0612:44
12:44
#26854
35K
21.75 mi15:23:334:01:2411:068:21
11:10
#26815
23M
23.00 mi15:38:264:16:1711:0914:53
11:54
#26788
24M
24.00 mi15:49:504:27:4111:1011:24
11:24
#26745
40K
24.85 mi15:59:494:37:4011:119:59
11:41
#26701
25.2M
25.20 mi16:04:214:42:1211:124:32
13:09
#26698
FINISH
26.22 mi16:15:334:53:2411:1211:12
11:00
#26693
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 mi27257114211142127259(Top 94%)11465(Top 91%)11465(Top 201%)
10K6.21 mi3.10 mi27265-811439-1811439-1827235(Top 94%)11433(Top 91%)11433(Top 200%)
15K9.32 mi3.11 mi27259+611445-611445-627259(Top 94%)11465(Top 91%)11465(Top 201%)
20K12.43 mi3.11 mi27173+8611394+5111394+5126955(Top 93%)11288(Top 90%)11288(Top 197%)
HALF13.11 mi0.68 mi27142+3111377+1711377+1726716(Top 92%)11193(Top 89%)11193(Top 196%)
25K15.53 mi2.42 mi26980+16211297+8011297+8026176(Top 90%)10901(Top 87%)10901(Top 191%)
30K18.64 mi3.11 mi26858+12211257+4011257+4026320(Top 91%)11074(Top 88%)11074(Top 194%)
20M20.00 mi1.36 mi26882-2411280-2311280-2326749(Top 92%)11378(Top 90%)11378(Top 199%)
21M21.00 mi1.00 mi26854+2811269+1111269+1126059(Top 90%)11053(Top 88%)11053(Top 193%)
35K21.75 mi0.75 mi26815+3911251+1811251+1825539(Top 88%)10806(Top 86%)10806(Top 189%)
23M23.00 mi1.25 mi26788+27112511125125993(Top 90%)11071(Top 88%)11071(Top 194%)
24M24.00 mi1.00 mi26745+4311239+1211239+1225812(Top 89%)11004(Top 87%)11004(Top 193%)
40K24.85 mi0.85 mi26701+4411222+1711222+1725402(Top 88%)10850(Top 86%)10850(Top 190%)
25.2M25.20 mi0.35 mi26698+311228-611228-626274(Top 91%)11259(Top 90%)11259(Top 197%)
FINISH26.22 mi1.02 mi26693+511235-711235-726115(Top 90%)11206(Top 89%)11206(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21
+97ft-345ft

Overall

27259

Females

11465

F18-39

11465

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27235

Females

11433

F18-39

11433

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3
+67ft-78ft

Overall

27259

Females

11465

F18-39

11465

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

26955

Females

11288

F18-39

11288

20K→HALF

12.4 - 13.1 mi

Top 92%
Γ—2
+19ft-37ft

Overall

26716

Females

11193

F18-39

11193

HALF→25K

13.1 - 15.5 mi

Top 90%
Γ—4
+66ft-88ft

Overall

26176

Females

10901

F18-39

10901

25K→30K

15.5 - 18.6 mi

Top 91%
Γ—9
+181ft-148ft

Overall

26320

Females

11074

F18-39

11074

30K→20M

18.6 - 20.0 mi

Top 92%
Γ—5
+64ft-50ft

Overall

26749

Females

11378

F18-39

11378

20M→21M

20.0 - 21.0 mi

Top 90%
Γ—8
+106ft-24ft

Overall

26059

Females

11053

F18-39

11053

21M→35K

21.0 - 21.8 mi

Top 88%
Γ—7
+17ft-86ft

Overall

25539

Females

10806

F18-39

10806

35K→23M

21.8 - 23.0 mi

Top 90%
Γ—5
+23ft-63ft

Overall

25993

Females

11071

F18-39

11071

23M→24M

23.0 - 24.0 mi

Top 89%
Γ—6
+12ft-82ft

Overall

25812

Females

11004

F18-39

11004

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25402

Females

10850

F18-39

10850

40K→25.2M

24.9 - 25.2 mi

Top 91%
Γ—1
+13ft-16ft

Overall

26274

Females

11259

F18-39

11259

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
Γ—2
+22ft-21ft

Overall

26115

Females

11206

F18-39

11206

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1167
Passed By
603
Net Change
+564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27257
5K β†’ 10K163171-8#27257#27265
10K β†’ 15K123117+6#27265#27259
15K β†’ 20K14862+86#27259#27173
20K β†’ HALF4110+31#27173#27142
HALF β†’ 25K17210+162#27142#26980
25K β†’ 30K17452+122#26980#26858
30K β†’ 20M3155-24#26858#26882
20M β†’ 21M5426+28#26882#26854
21M β†’ 35K489+39#26854#26815
35K β†’ 23M5225+27#26815#26788
23M β†’ 24M5512+43#26788#26745
24M β†’ 40K5410+44#26745#26701
40K β†’ 25.2M1613+3#26701#26698
25.2M β†’ FINISH3631+5#26698#26693
TOTALS1167603+564
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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