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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Elizabeth O’connor

Bib: 27423 •F •Age: N/A

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

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
30:42
3.11 mi
Rank: #25615
Start → 5K
30:42 | 9:53/mi
10K
1:01:50
6.21 mi
Rank: #25791 (-176)
5K → 10K
31:08 | 10:02/mi
15K
1:33:29
9.32 mi
Rank: #25906 (-115)
10K → 15K
31:39 | 10:12/mi
20K
2:04:47
12.43 mi
Rank: #25707 (+199)
15K → 20K
31:18 | 10:05/mi
HALF
2:11:22
13.11 mi
Rank: #25652 (+55)
20K → HALF
6:35 | 9:40/mi
25K
2:35:23
15.53 mi
Rank: #25401 (+251)
HALF → 25K
24:01 | 9:55/mi
30K
3:09:36
18.64 mi
Rank: #25384 (+17)
25K → 30K
34:13 | 11:01/mi
20M
3:27:29
20.00 mi
Rank: #25687 (-303)
30K → 20M
17:53 | 13:10/mi
21M
3:41:28
21.00 mi
Rank: #25853 (-166)
20M → 21M
13:59 | 13:59/mi
35K
3:51:47
21.75 mi
Rank: #26043 (-190)
21M → 35K
10:19 | 13:48/mi
23M
4:07:20
23.00 mi
Rank: #26113 (-70)
35K → 23M
15:33 | 12:26/mi
24M
4:19:12
24.00 mi
Rank: #26146 (-33)
23M → 24M
11:52 | 11:52/mi
40K
4:29:46
24.85 mi
Rank: #26159 (-13)
24M → 40K
10:34 | 12:22/mi
25.2M
4:34:16
25.20 mi
Rank: #26153 (+6)
40K → 25.2M
4:30 | 13:03/mi
FINISH
4:46:14
26.22 mi
Rank: #26211 (-58)
25.2M → FINISH
11:58 | 11:45/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
Time2:11:22
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:34:52
Pace11:49 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:40:0330:429:5330:42
9:53
-
10K
6.21 mi11:11:111:01:509:5831:08
10:02
+0:09
15K
9.32 mi11:42:501:33:2910:0231:39
10:12
+0:10
20K
12.43 mi12:14:082:04:4710:0331:18
10:05
-0:07
HALF
13.11 mi12:20:432:11:2210:026:35
9:40
-0:25
25K
15.53 mi12:44:442:35:2310:0124:01
9:55
+0:15
30K
18.64 mi13:18:573:09:3610:1134:13
11:01
+1:06
20M
20.00 mi13:36:503:27:2910:2317:53
13:10
+2:09
21M
21.00 mi13:50:493:41:2810:3313:59
13:59
+0:49
35K
21.75 mi14:01:083:51:4710:4010:19
13:48
-0:11
23M
23.00 mi14:16:414:07:2010:4615:33
12:26
-1:22
24M
24.00 mi14:28:334:19:1210:4911:52
11:52
-0:34
40K
24.85 mi14:39:074:29:4610:5210:34
12:22
+0:30
25.2M
25.20 mi14:43:374:34:1610:544:30
13:03
+0:41
FINISH
26.22 mi14:55:354:46:1410:5611:58
11:45
-1:18

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

9:40 /mi

Average Pace

10:55 /mi

Slowest Pace

13:59 /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

2:35:23

54% of race

Time at Steady Pace

1:24:10

29% of race

Time at Slower Pace

46:41

16% of race

Average Pace: 10:55 /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 mi10:40:0330:429:5330:42
9:53
#25615
10K
6.21 mi11:11:111:01:509:5831:08
10:02
#25791
15K
9.32 mi11:42:501:33:2910:0231:39
10:12
#25906
20K
12.43 mi12:14:082:04:4710:0331:18
10:05
#25707
HALF
13.11 mi12:20:432:11:2210:026:35
9:40
#25652
25K
15.53 mi12:44:442:35:2310:0124:01
9:55
#25401
30K
18.64 mi13:18:573:09:3610:1134:13
11:01
#25384
20M
20.00 mi13:36:503:27:2910:2317:53
13:10
#25687
21M
21.00 mi13:50:493:41:2810:3313:59
13:59
#25853
35K
21.75 mi14:01:083:51:4710:4010:19
13:48
#26043
23M
23.00 mi14:16:414:07:2010:4615:33
12:26
#26113
24M
24.00 mi14:28:334:19:1210:4911:52
11:52
#26146
40K
24.85 mi14:39:074:29:4610:5210:34
12:22
#26159
25.2M
25.20 mi14:43:374:34:1610:544:30
13:03
#26153
FINISH
26.22 mi14:55:354:46:1410:5611:58
11:45
#26211
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 mi25615105121051226120(Top 90%)10798(Top 86%)10798(Top 605%)
10K6.21 mi3.10 mi25791-17610612-10010612-10025904(Top 89%)10675(Top 85%)10675(Top 598%)
15K9.32 mi3.11 mi25906-11510664-5210664-5226120(Top 90%)10798(Top 86%)10798(Top 605%)
20K12.43 mi3.11 mi25707+19910560+10410560+10425227(Top 87%)10320(Top 82%)10320(Top 578%)
HALF13.11 mi0.68 mi25652+5510532+2810532+2824832(Top 86%)10130(Top 81%)10130(Top 567%)
25K15.53 mi2.42 mi25401+25110408+12410408+12424060(Top 83%)9741(Top 77%)9741(Top 545%)
30K18.64 mi3.11 mi25384+1710420-1210420-1225368(Top 87%)10560(Top 84%)10560(Top 591%)
20M20.00 mi1.36 mi25687-30310610-19010610-19027546(Top 95%)11789(Top 94%)11789(Top 660%)
21M21.00 mi1.00 mi25853-16610722-11210722-11227317(Top 94%)11708(Top 93%)11708(Top 656%)
35K21.75 mi0.75 mi26043-19010832-11010832-11028244(Top 97%)12220(Top 97%)12220(Top 684%)
23M23.00 mi1.25 mi26113-7010876-4410876-4426690(Top 92%)11427(Top 91%)11427(Top 640%)
24M24.00 mi1.00 mi26146-3310913-3710913-3726447(Top 91%)11334(Top 90%)11334(Top 635%)
40K24.85 mi0.85 mi26159-1310929-1610929-1626356(Top 91%)11324(Top 90%)11324(Top 634%)
25.2M25.20 mi0.35 mi26153+610934-510934-526127(Top 90%)11178(Top 89%)11178(Top 626%)
FINISH26.22 mi1.02 mi26211-5810975-4110975-4127163(Top 94%)11717(Top 93%)11717(Top 656%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21
+97ft-345ft

Overall

26120

Females

10798

F45-49

10798

5K→10K

3.1 - 6.2 mi

Top 89%
×5
+79ft-138ft

Overall

25904

Females

10675

F45-49

10675

10K→15K

6.2 - 9.3 mi

Top 90%
×3
+67ft-78ft

Overall

26120

Females

10798

F45-49

10798

15K→20K

9.3 - 12.4 mi

Top 87%
×5
+106ft-86ft

Overall

25227

Females

10320

F45-49

10320

20K→HALF

12.4 - 13.1 mi

Top 86%
×2
+19ft-37ft

Overall

24832

Females

10130

F45-49

10130

HALF→25K

13.1 - 15.5 mi

Top 83%
×4
+66ft-88ft

Overall

24060

Females

9741

F45-49

9741

25K→30K

15.5 - 18.6 mi

Top 87%
×9
+181ft-148ft

Overall

25368

Females

10560

F45-49

10560

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27546

Females

11789

F45-49

11789

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27317

Females

11708

F45-49

11708

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28244

Females

12220

F45-49

12220

35K→23M

21.8 - 23.0 mi

Top 92%
×5
+23ft-63ft

Overall

26690

Females

11427

F45-49

11427

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26447

Females

11334

F45-49

11334

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26356

Females

11324

F45-49

11324

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1
+13ft-16ft

Overall

26127

Females

11178

F45-49

11178

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27163

Females

11717

F45-49

11717

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1027*
Passed By
1408
Net Change
-596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25615
5K → 10K121200-176#25615#25791
10K → 15K78193-115#25791#25906
15K → 20K230*31+199#25906#25707
20K → HALF572+55#25707#25652
HALF → 25K256*5+251#25652#25401
25K → 30K140123+17#25401#25384
30K → 20M15200-303#25384#25687
20M → 21M17183-166#25687#25853
21M → 35K5195-190#25853#26043
35K → 23M2797-70#26043#26113
23M → 24M2861-33#26113#26146
24M → 40K2538-13#26146#26159
40K → 25.2M1610+6#26159#26153
25.2M → FINISH1270-58#26153#26211
TOTALS1027*1408-596

* 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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