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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Fiona O'Brien

Bib: 13797 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 30%
Gender (Female)
#0 / 12578
Top 13%
Age Group (F18-39)
#0 / 5716
Top 25%
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
22:52
3.11 mi
Rank: #11588
Start → 5K
22:52 | 7:22/mi
10K
45:38
6.21 mi
Rank: #11470 (+118)
5K → 10K
22:46 | 7:20/mi
15K
1:08:13
9.32 mi
Rank: #11196 (+274)
10K → 15K
22:35 | 7:17/mi
20K
1:30:45
12.43 mi
Rank: #10844 (+352)
15K → 20K
22:32 | 7:16/mi
HALF
1:35:38
13.11 mi
Rank: #10774 (+70)
20K → HALF
4:53 | 7:10/mi
25K
1:53:17
15.53 mi
Rank: #10517 (+257)
HALF → 25K
17:39 | 7:17/mi
30K
2:16:03
18.64 mi
Rank: #10052 (+465)
25K → 30K
22:46 | 7:20/mi
20M
2:25:59
20.00 mi
Rank: #9837 (+215)
30K → 20M
9:56 | 7:19/mi
21M
2:33:26
21.00 mi
Rank: #9597 (+240)
20M → 21M
7:27 | 7:27/mi
35K
2:38:48
21.75 mi
Rank: #9521 (+76)
21M → 35K
5:22 | 7:11/mi
23M
2:48:11
23.00 mi
Rank: #9386 (+135)
35K → 23M
9:23 | 7:30/mi
24M
2:55:27
24.00 mi
Rank: #9317 (+69)
23M → 24M
7:16 | 7:16/mi
40K
3:01:25
24.85 mi
Rank: #9118 (+199)
24M → 40K
5:58 | 6:59/mi
25.2M
3:03:58
25.20 mi
Rank: #9013 (+105)
40K → 25.2M
2:33 | 7:24/mi
FINISH
3:10:42
26.22 mi
Rank: #8797 (+216)
25.2M → FINISH
6:44 | 6:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:35:38
Pace7:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:04
Pace7:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5922:527:2222:52
7:22
-
10K
6.21 mi11:14:4545:387:2122:46
7:20
-0:02
15K
9.32 mi11:37:201:08:137:2022:35
7:17
-0:03
20K
12.43 mi11:59:521:30:457:1922:32
7:16
-0:01
HALF
13.11 mi12:04:451:35:387:184:53
7:10
-0:06
25K
15.53 mi12:22:241:53:177:1817:39
7:17
+0:07
30K
18.64 mi12:45:102:16:037:1822:46
7:20
+0:03
20M
20.00 mi12:55:062:25:597:189:56
7:19
-0:01
21M
21.00 mi13:02:332:33:267:197:27
7:27
+0:08
35K
21.75 mi13:07:552:38:487:195:22
7:11
-0:16
23M
23.00 mi13:17:182:48:117:199:23
7:30
+0:19
24M
24.00 mi13:24:342:55:277:197:16
7:16
-0:14
40K
24.85 mi13:30:323:01:257:185:58
6:59
-0:17
25.2M
25.20 mi13:33:053:03:587:192:33
7:24
+0:25
FINISH
26.22 mi13:39:493:10:427:176:44
6:37
-0:47

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

6:37 /mi

Average Pace

7:17 /mi

Slowest Pace

7:30 /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

52:45

28% of race

Time at Steady Pace

2:17:57

72% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:51:5922:527:2222:52
7:22
#11588
10K
6.21 mi11:14:4545:387:2122:46
7:20
#11470
15K
9.32 mi11:37:201:08:137:2022:35
7:17
#11196
20K
12.43 mi11:59:521:30:457:1922:32
7:16
#10844
HALF
13.11 mi12:04:451:35:387:184:53
7:10
#10774
25K
15.53 mi12:22:241:53:177:1817:39
7:17
#10517
30K
18.64 mi12:45:102:16:037:1822:46
7:20
#10052
20M
20.00 mi12:55:062:25:597:189:56
7:19
#9837
21M
21.00 mi13:02:332:33:267:197:27
7:27
#9597
35K
21.75 mi13:07:552:38:487:195:22
7:11
#9521
23M
23.00 mi13:17:182:48:117:199:23
7:30
#9386
24M
24.00 mi13:24:342:55:277:197:16
7:16
#9317
40K
24.85 mi13:30:323:01:257:185:58
6:59
#9118
25.2M
25.20 mi13:33:053:03:587:192:33
7:24
#9013
FINISH
26.22 mi13:39:493:10:427:176:44
6:37
#8797
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 mi115882684268410765(Top 37%)2341(Top 19%)2341(Top 41%)
10K6.21 mi3.10 mi11470+1182648+362648+3611403(Top 39%)2649(Top 21%)2649(Top 46%)
15K9.32 mi3.11 mi11196+2742529+1192529+11910765(Top 37%)2341(Top 19%)2341(Top 41%)
20K12.43 mi3.11 mi10844+3522386+1432386+1439777(Top 34%)1927(Top 15%)1927(Top 34%)
HALF13.11 mi0.68 mi10774+702348+382348+3810016(Top 35%)1991(Top 16%)1991(Top 35%)
25K15.53 mi2.42 mi10517+2572252+962252+969529(Top 33%)1894(Top 15%)1894(Top 33%)
30K18.64 mi3.11 mi10052+4652064+1882064+1888321(Top 29%)1515(Top 12%)1515(Top 27%)
20M20.00 mi1.36 mi9837+2151989+751989+757779(Top 27%)1390(Top 11%)1390(Top 24%)
21M21.00 mi1.00 mi9597+2401890+991890+996222(Top 21%)940(Top 7%)940(Top 16%)
35K21.75 mi0.75 mi9521+761870+201870+208389(Top 29%)1726(Top 14%)1726(Top 30%)
23M23.00 mi1.25 mi9386+1351835+351835+358887(Top 31%)2043(Top 16%)2043(Top 36%)
24M24.00 mi1.00 mi9317+691829+61829+68379(Top 29%)1895(Top 15%)1895(Top 33%)
40K24.85 mi0.85 mi9118+1991775+541775+545420(Top 19%)831(Top 7%)831(Top 15%)
25.2M25.20 mi0.35 mi9013+1051737+381737+384729(Top 16%)713(Top 6%)713(Top 12%)
FINISH26.22 mi1.02 mi8797+2161677+601677+604859(Top 17%)759(Top 6%)759(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10765

Females

2341

F18-39

2341

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11403

Females

2649

F18-39

2649

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10765

Females

2341

F18-39

2341

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9777

Females

1927

F18-39

1927

20K→HALF

12.4 - 13.1 mi

Top 35%
×2
+19ft-37ft

Overall

10016

Females

1991

F18-39

1991

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9529

Females

1894

F18-39

1894

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8321

Females

1515

F18-39

1515

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7779

Females

1390

F18-39

1390

20M→21M

20.0 - 21.0 mi

Top 21%
×8
+106ft-24ft

Overall

6222

Females

940

F18-39

940

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8389

Females

1726

F18-39

1726

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

8887

Females

2043

F18-39

2043

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8379

Females

1895

F18-39

1895

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5420

Females

831

F18-39

831

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1
+13ft-16ft

Overall

4729

Females

713

F18-39

713

25.2M→FINISH

25.2 - 26.2 mi

Top 17%
×2
+22ft-21ft

Overall

4859

Females

759

F18-39

759

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3230*
Passed By
439
Net Change
+2791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11588
5K → 10K318*200+118#11588#11470
10K → 15K344*70+274#11470#11196
15K → 20K371*19+352#11196#10844
20K → HALF799+70#10844#10774
HALF → 25K280*23+257#10774#10517
25K → 30K483*18+465#10517#10052
30K → 20M226*11+215#10052#9837
20M → 21M243*3+240#9837#9597
21M → 35K9519+76#9597#9521
35K → 23M16934+135#9521#9386
23M → 24M9324+69#9386#9317
24M → 40K202*3+199#9317#9118
40K → 25.2M1050+105#9118#9013
25.2M → FINISH222*6+216#9013#8797
TOTALS3230*439+2791

* 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

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