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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Siobhan Havlik

Bib: 19965 •F •Age: N/A

SC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 50%
Gender (Female)
#0 / 12578
Top 37%
Masters (Masters Women)
#0 / 6862
Top 21%
Age Group (F40-44)
#0 / 1737
Top 43%
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
24:05
3.11 mi
Rank: #15025
Start → 5K
24:05 | 7:46/mi
10K
48:20
6.21 mi
Rank: #15294 (-269)
5K → 10K
24:15 | 7:49/mi
15K
1:12:32
9.32 mi
Rank: #15285 (+9)
10K → 15K
24:12 | 7:48/mi
20K
1:36:49
12.43 mi
Rank: #15084 (+201)
15K → 20K
24:17 | 7:49/mi
HALF
1:42:03
13.11 mi
Rank: #15054 (+30)
20K → HALF
5:14 | 7:41/mi
25K
2:01:08
15.53 mi
Rank: #14922 (+132)
HALF → 25K
19:05 | 7:53/mi
30K
2:26:32
18.64 mi
Rank: #14855 (+67)
25K → 30K
25:24 | 8:11/mi
20M
2:37:35
20.00 mi
Rank: #14753 (+102)
30K → 20M
11:03 | 8:09/mi
21M
2:46:07
21.00 mi
Rank: #14654 (+99)
20M → 21M
8:32 | 8:32/mi
35K
2:52:06
21.75 mi
Rank: #14615 (+39)
21M → 35K
5:59 | 8:00/mi
23M
3:02:28
23.00 mi
Rank: #14580 (+35)
35K → 23M
10:22 | 8:18/mi
24M
3:10:34
24.00 mi
Rank: #14565 (+15)
23M → 24M
8:06 | 8:06/mi
40K
3:17:30
24.85 mi
Rank: #14523 (+42)
24M → 40K
6:56 | 8:07/mi
25.2M
3:20:28
25.20 mi
Rank: #14481 (+42)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:28:09
26.22 mi
Rank: #14375 (+106)
25.2M → FINISH
7:41 | 7:33/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
Time1:42:03
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:1924:057:4624:05
7:46
-
10K
6.21 mi11:32:3448:207:4724:15
7:49
+0:03
15K
9.32 mi11:56:461:12:327:4724:12
7:48
-0:01
20K
12.43 mi12:21:031:36:497:4824:17
7:49
+0:01
HALF
13.11 mi12:26:171:42:037:485:14
7:41
-0:08
25K
15.53 mi12:45:222:01:087:4819:05
7:53
+0:12
30K
18.64 mi13:10:462:26:327:5225:24
8:11
+0:18
20M
20.00 mi13:21:492:37:357:5311:03
8:09
-0:02
21M
21.00 mi13:30:212:46:077:558:32
8:32
+0:23
35K
21.75 mi13:36:202:52:067:555:59
8:00
-0:32
23M
23.00 mi13:46:423:02:287:5710:22
8:18
+0:18
24M
24.00 mi13:54:483:10:347:578:06
8:06
-0:12
40K
24.85 mi14:01:443:17:307:576:56
8:07
+0:01
25.2M
25.20 mi14:04:423:20:287:582:58
8:37
+0:30
FINISH
26.22 mi14:12:233:28:097:577:41
7:33
-1:04

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

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

8:37 /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

3:16:39

94% of race

Time at Steady Pace

11:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:08:1924:057:4624:05
7:46
#15025
10K
6.21 mi11:32:3448:207:4724:15
7:49
#15294
15K
9.32 mi11:56:461:12:327:4724:12
7:48
#15285
20K
12.43 mi12:21:031:36:497:4824:17
7:49
#15084
HALF
13.11 mi12:26:171:42:037:485:14
7:41
#15054
25K
15.53 mi12:45:222:01:087:4819:05
7:53
#14922
30K
18.64 mi13:10:462:26:327:5225:24
8:11
#14855
20M
20.00 mi13:21:492:37:357:5311:03
8:09
#14753
21M
21.00 mi13:30:212:46:077:558:32
8:32
#14654
35K
21.75 mi13:36:202:52:067:555:59
8:00
#14615
23M
23.00 mi13:46:423:02:287:5710:22
8:18
#14580
24M
24.00 mi13:54:483:10:347:578:06
8:06
#14565
40K
24.85 mi14:01:443:17:307:576:56
8:07
#14523
25.2M
25.20 mi14:04:423:20:287:582:58
8:37
#14481
FINISH
26.22 mi14:12:233:28:097:577:41
7:33
#14375
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 mi150254702470215265(Top 53%)4903(Top 39%)4903(Top 282%)
10K6.21 mi3.10 mi15294-2694897-1954897-19515696(Top 54%)5131(Top 41%)5131(Top 295%)
15K9.32 mi3.11 mi15285+94911-144911-1415265(Top 53%)4903(Top 39%)4903(Top 282%)
20K12.43 mi3.11 mi15084+2014793+1184793+11814671(Top 51%)4602(Top 37%)4602(Top 265%)
HALF13.11 mi0.68 mi15054+304775+184775+1814626(Top 50%)4513(Top 36%)4513(Top 260%)
25K15.53 mi2.42 mi14922+1324695+804695+8014385(Top 50%)4511(Top 36%)4511(Top 260%)
30K18.64 mi3.11 mi14855+674705-104705-1014769(Top 51%)4831(Top 38%)4831(Top 278%)
20M20.00 mi1.36 mi14753+1024677+284677+2813803(Top 48%)4400(Top 35%)4400(Top 253%)
21M21.00 mi1.00 mi14654+994643+344643+3413371(Top 46%)4251(Top 34%)4251(Top 245%)
35K21.75 mi0.75 mi14615+394637+64637+614503(Top 50%)4907(Top 39%)4907(Top 282%)
23M23.00 mi1.25 mi14580+354647-104647-1014363(Top 49%)4909(Top 39%)4909(Top 283%)
24M24.00 mi1.00 mi14565+154668-214668-2114446(Top 50%)5041(Top 40%)5041(Top 290%)
40K24.85 mi0.85 mi14523+424660+84660+813233(Top 46%)4456(Top 35%)4456(Top 257%)
25.2M25.20 mi0.35 mi14481+424642+184642+1812383(Top 43%)4059(Top 32%)4059(Top 234%)
FINISH26.22 mi1.02 mi14375+1064599+434599+4311794(Top 41%)3763(Top 30%)3763(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15265

Females

4903

F40-44

4903

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15696

Females

5131

F40-44

5131

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15265

Females

4903

F40-44

4903

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14671

Females

4602

F40-44

4602

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14626

Females

4513

F40-44

4513

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14385

Females

4511

F40-44

4511

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14769

Females

4831

F40-44

4831

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13803

Females

4400

F40-44

4400

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13371

Females

4251

F40-44

4251

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14503

Females

4907

F40-44

4907

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14363

Females

4909

F40-44

4909

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14446

Females

5041

F40-44

5041

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13233

Females

4456

F40-44

4456

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12383

Females

4059

F40-44

4059

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11794

Females

3763

F40-44

3763

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1998*
Passed By
1102
Net Change
+650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15025
5K → 10K177200-269#15025#15294
10K → 15K209*200+9#15294#15285
15K → 20K279*78+201#15285#15084
20K → HALF5626+30#15084#15054
HALF → 25K210*78+132#15054#14922
25K → 30K222*155+67#14922#14855
30K → 20M15351+102#14855#14753
20M → 21M14445+99#14753#14654
21M → 35K7637+39#14654#14615
35K → 23M11984+35#14615#14580
23M → 24M7762+15#14580#14565
24M → 40K9048+42#14565#14523
40K → 25.2M5513+42#14523#14481
25.2M → FINISH13125+106#14481#14375
TOTALS1998*1102+650

* 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

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OTQ

Olympic Trials Qualifying analysis available

Activity Data

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