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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Beth Zerilli

Bib: 32866 •F •Age: N/A

MA

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 (F55-59)
#0 / 951
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
36:50
3.11 mi
Rank: #28737
Start → 5K
36:50 | 11:52/mi
10K
1:14:41
6.21 mi
Rank: #28729 (+8)
5K → 10K
37:51 | 12:11/mi
15K
1:52:35
9.32 mi
Rank: #28674 (+55)
10K → 15K
37:54 | 12:12/mi
20K
2:31:07
12.43 mi
Rank: #28597 (+77)
15K → 20K
38:32 | 12:25/mi
HALF
2:39:12
13.11 mi
Rank: #28580 (+17)
20K → HALF
8:05 | 11:52/mi
25K
3:09:43
15.53 mi
Rank: #28474 (+106)
HALF → 25K
30:31 | 12:35/mi
30K
3:50:30
18.64 mi
Rank: #28382 (+92)
25K → 30K
40:47 | 13:08/mi
20M
4:08:28
20.00 mi
Rank: #28342 (+40)
30K → 20M
17:58 | 13:14/mi
21M
4:22:23
21.00 mi
Rank: #28302 (+40)
20M → 21M
13:55 | 13:55/mi
35K
4:32:12
21.75 mi
Rank: #28290 (+12)
21M → 35K
9:49 | 13:08/mi
23M
4:48:30
23.00 mi
Rank: #28253 (+37)
35K → 23M
16:18 | 13:02/mi
24M
5:00:28
24.00 mi
Rank: #28211 (+42)
23M → 24M
11:58 | 11:58/mi
40K
5:11:03
24.85 mi
Rank: #28161 (+50)
24M → 40K
10:35 | 12:23/mi
25.2M
5:15:50
25.20 mi
Rank: #28151 (+10)
40K → 25.2M
4:47 | 13:53/mi
FINISH
5:27:58
26.22 mi
Rank: #28133 (+18)
25.2M → FINISH
12:08 | 11:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:39:12
Pace12:09 /mi
2nd Half
Distance13.11 mi
Time2:48:46
Pace12:53 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:06:0536:5011:5236:50
11:52
-
10K
6.21 mi12:43:561:14:4112:0237:51
12:11
+0:19
15K
9.32 mi13:21:501:52:3512:0537:54
12:12
+0:01
20K
12.43 mi14:00:222:31:0712:1038:32
12:25
+0:13
HALF
13.11 mi14:08:272:39:1212:098:05
11:52
-0:33
25K
15.53 mi14:38:583:09:4312:1330:31
12:35
+0:43
30K
18.64 mi15:19:453:50:3012:2240:47
13:08
+0:33
20M
20.00 mi15:37:434:08:2812:2617:58
13:14
+0:06
21M
21.00 mi15:51:384:22:2312:3013:55
13:55
+0:41
35K
21.75 mi16:01:274:32:1212:319:49
13:08
-0:47
23M
23.00 mi16:17:454:48:3012:3316:18
13:02
-0:06
24M
24.00 mi16:29:435:00:2812:3211:58
11:58
-1:04
40K
24.85 mi16:40:185:11:0312:3110:35
12:23
+0:25
25.2M
25.20 mi16:45:055:15:5012:324:47
13:53
+1:30
FINISH
26.22 mi16:57:135:27:5812:3212:08
11:55
-1:58

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

11:52 /mi

Average Pace

12:31 /mi

Slowest Pace

13:55 /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

4:00:42

73% of race

Time at Steady Pace

1:27:16

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:30 /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 mi12:06:0536:5011:5236:50
11:52
#28737
10K
6.21 mi12:43:561:14:4112:0237:51
12:11
#28729
15K
9.32 mi13:21:501:52:3512:0537:54
12:12
#28674
20K
12.43 mi14:00:222:31:0712:1038:32
12:25
#28597
HALF
13.11 mi14:08:272:39:1212:098:05
11:52
#28580
25K
15.53 mi14:38:583:09:4312:1330:31
12:35
#28474
30K
18.64 mi15:19:453:50:3012:2240:47
13:08
#28382
20M
20.00 mi15:37:434:08:2812:2617:58
13:14
#28342
21M
21.00 mi15:51:384:22:2312:3013:55
13:55
#28302
35K
21.75 mi16:01:274:32:1212:319:49
13:08
#28290
23M
23.00 mi16:17:454:48:3012:3316:18
13:02
#28253
24M
24.00 mi16:29:435:00:2812:3211:58
11:58
#28211
40K
24.85 mi16:40:185:11:0312:3110:35
12:23
#28161
25.2M
25.20 mi16:45:055:15:5012:324:47
13:53
#28151
FINISH
26.22 mi16:57:135:27:5812:3212:08
11:55
#28133
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi28737123821238228492(Top 98%)12231(Top 97%)12231(Top 1286%)
10K6.21 mi3.10 mi28729+812379+312379+328692(Top 99%)12355(Top 98%)12355(Top 1299%)
15K9.32 mi3.11 mi28674+5512339+4012339+4028492(Top 98%)12231(Top 97%)12231(Top 1286%)
20K12.43 mi3.11 mi28597+7712294+4512294+4528317(Top 98%)12125(Top 96%)12125(Top 1275%)
HALF13.11 mi0.68 mi28580+1712286+812286+828189(Top 97%)12070(Top 96%)12070(Top 1269%)
25K15.53 mi2.42 mi28474+10612214+7212214+7227973(Top 96%)11939(Top 95%)11939(Top 1255%)
30K18.64 mi3.11 mi28382+9212161+5312161+5327816(Top 96%)11899(Top 95%)11899(Top 1251%)
20M20.00 mi1.36 mi28342+4012140+2112140+2127607(Top 95%)11826(Top 94%)11826(Top 1244%)
21M21.00 mi1.00 mi28302+4012107+3312107+3327262(Top 94%)11684(Top 93%)11684(Top 1229%)
35K21.75 mi0.75 mi28290+12121071210727820(Top 96%)11993(Top 95%)11993(Top 1261%)
23M23.00 mi1.25 mi28253+3712090+1712090+1727356(Top 94%)11756(Top 93%)11756(Top 1236%)
24M24.00 mi1.00 mi28211+4212071+1912071+1926603(Top 92%)11423(Top 91%)11423(Top 1201%)
40K24.85 mi0.85 mi28161+5012046+2512046+2526384(Top 91%)11343(Top 90%)11343(Top 1193%)
25.2M25.20 mi0.35 mi28151+1012041+512041+527116(Top 93%)11689(Top 93%)11689(Top 1229%)
FINISH26.22 mi1.02 mi28133+1812034+712034+727368(Top 94%)11808(Top 94%)11808(Top 1242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28492

Females

12231

F55-59

12231

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28692

Females

12355

F55-59

12355

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28492

Females

12231

F55-59

12231

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28317

Females

12125

F55-59

12125

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28189

Females

12070

F55-59

12070

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27973

Females

11939

F55-59

11939

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27816

Females

11899

F55-59

11899

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27607

Females

11826

F55-59

11826

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27262

Females

11684

F55-59

11684

21M→35K

21.0 - 21.8 mi

Top 96%
×7
+17ft-86ft

Overall

27820

Females

11993

F55-59

11993

35K→23M

21.8 - 23.0 mi

Top 94%
×5
+23ft-63ft

Overall

27356

Females

11756

F55-59

11756

23M→24M

23.0 - 24.0 mi

Top 92%
×6
+12ft-82ft

Overall

26603

Females

11423

F55-59

11423

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26384

Females

11343

F55-59

11343

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1
+13ft-16ft

Overall

27116

Females

11689

F55-59

11689

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27368

Females

11808

F55-59

11808

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
762
Passed By
158
Net Change
+604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28737
5K → 10K5850+8#28737#28729
10K → 15K7520+55#28729#28674
15K → 20K8811+77#28674#28597
20K → HALF225+17#28597#28580
HALF → 25K11913+106#28580#28474
25K → 30K10412+92#28474#28382
30K → 20M433+40#28382#28342
20M → 21M488+40#28342#28302
21M → 35K2311+12#28302#28290
35K → 23M4912+37#28290#28253
23M → 24M442+42#28253#28211
24M → 40K500+50#28211#28161
40K → 25.2M144+10#28161#28151
25.2M → FINISH257+18#28151#28133
TOTALS762158+604
📊

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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