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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Serena Zienau

Bib: 23640 •F •Age: N/A

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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
26:15
3.11 mi
Rank: #19788
Start → 5K
26:15 | 8:27/mi
10K
52:27
6.21 mi
Rank: #19841 (-53)
5K → 10K
26:12 | 8:26/mi
15K
1:20:31
9.32 mi
Rank: #20954 (-1113)
10K → 15K
28:04 | 9:03/mi
20K
1:49:09
12.43 mi
Rank: #21467 (-513)
15K → 20K
28:38 | 9:13/mi
HALF
1:55:11
13.11 mi
Rank: #21492 (-25)
20K → HALF
6:02 | 8:52/mi
25K
2:19:37
15.53 mi
Rank: #22209 (-717)
HALF → 25K
24:26 | 10:05/mi
30K
2:56:03
18.64 mi
Rank: #23477 (-1268)
25K → 30K
36:26 | 11:44/mi
20M
3:12:35
20.00 mi
Rank: #23800 (-323)
30K → 20M
16:32 | 12:11/mi
21M
3:26:24
21.00 mi
Rank: #24140 (-340)
20M → 21M
13:49 | 13:49/mi
35K
3:34:40
21.75 mi
Rank: #24211 (-71)
21M → 35K
8:16 | 11:03/mi
23M
3:48:58
23.00 mi
Rank: #24289 (-78)
35K → 23M
14:18 | 11:26/mi
24M
3:59:29
24.00 mi
Rank: #24262 (+27)
23M → 24M
10:31 | 10:31/mi
40K
4:09:01
24.85 mi
Rank: #24274 (-12)
24M → 40K
9:32 | 11:10/mi
25.2M
4:13:28
25.20 mi
Rank: #24309 (-35)
40K → 25.2M
4:27 | 12:55/mi
FINISH
4:24:09
26.22 mi
Rank: #24332 (-23)
25.2M → FINISH
10:41 | 10:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:11
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:28:58
Pace11:22 /mi
📊Positive Split: 29.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3226:158:2726:15
8:27
-
10K
6.21 mi11:55:4452:278:2726:12
8:26
-0:01
15K
9.32 mi12:23:481:20:318:3928:04
9:03
+0:37
20K
12.43 mi12:52:261:49:098:4728:38
9:13
+0:10
HALF
13.11 mi12:58:281:55:118:486:02
8:52
-0:21
25K
15.53 mi13:22:542:19:379:0024:26
10:05
+1:13
30K
18.64 mi13:59:202:56:039:2736:26
11:44
+1:39
20M
20.00 mi14:15:523:12:359:3816:32
12:11
+0:27
21M
21.00 mi14:29:413:26:249:5013:49
13:49
+1:38
35K
21.75 mi14:37:573:34:409:538:16
11:03
-2:46
23M
23.00 mi14:52:153:48:589:5814:18
11:26
+0:23
24M
24.00 mi15:02:463:59:299:5910:31
10:31
-0:55
40K
24.85 mi15:12:184:09:0110:029:32
11:10
+0:39
25.2M
25.20 mi15:16:454:13:2810:044:27
12:55
+1:45
FINISH
26.22 mi15:27:264:24:0910:0510:41
10:30
-2:25

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

8:26 /mi

Average Pace

10:05 /mi

Slowest Pace

13:49 /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

1:55:11

44% of race

Time at Steady Pace

1:03:26

24% of race

Time at Slower Pace

1:25:32

32% of race

Average Pace: 10:04 /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 mi11:29:3226:158:2726:15
8:27
#19788
10K
6.21 mi11:55:4452:278:2726:12
8:26
#19841
15K
9.32 mi12:23:481:20:318:3928:04
9:03
#20954
20K
12.43 mi12:52:261:49:098:4728:38
9:13
#21467
HALF
13.11 mi12:58:281:55:118:486:02
8:52
#21492
25K
15.53 mi13:22:542:19:379:0024:26
10:05
#22209
30K
18.64 mi13:59:202:56:039:2736:26
11:44
#23477
20M
20.00 mi14:15:523:12:359:3816:32
12:11
#23800
21M
21.00 mi14:29:413:26:249:5013:49
13:49
#24140
35K
21.75 mi14:37:573:34:409:538:16
11:03
#24211
23M
23.00 mi14:52:153:48:589:5814:18
11:26
#24289
24M
24.00 mi15:02:463:59:299:5910:31
10:31
#24262
40K
24.85 mi15:12:184:09:0110:029:32
11:10
#24274
25.2M
25.20 mi15:16:454:13:2810:044:27
12:55
#24309
FINISH
26.22 mi15:27:264:24:0910:0510:41
10:30
#24332
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 mi197887517751722873(Top 79%)9077(Top 72%)9077(Top 954%)
10K6.21 mi3.10 mi19841-537531-147531-1419990(Top 69%)7593(Top 60%)7593(Top 798%)
15K9.32 mi3.11 mi20954-11138113-5828113-58222873(Top 79%)9077(Top 72%)9077(Top 954%)
20K12.43 mi3.11 mi21467-5138401-2888401-28822830(Top 79%)9086(Top 72%)9086(Top 955%)
HALF13.11 mi0.68 mi21492-258411-108411-1022121(Top 76%)8711(Top 69%)8711(Top 916%)
25K15.53 mi2.42 mi22209-7178766-3558766-35524477(Top 84%)9960(Top 79%)9960(Top 1047%)
30K18.64 mi3.11 mi23477-12689454-6889454-68826418(Top 91%)11125(Top 88%)11125(Top 1170%)
20M20.00 mi1.36 mi23800-3239612-1589612-15826615(Top 92%)11307(Top 90%)11307(Top 1189%)
21M21.00 mi1.00 mi24140-3409794-1829794-18227173(Top 94%)11639(Top 93%)11639(Top 1224%)
35K21.75 mi0.75 mi24211-719841-479841-4725353(Top 87%)10699(Top 85%)10699(Top 1125%)
23M23.00 mi1.25 mi24289-789906-659906-6525306(Top 87%)10725(Top 85%)10725(Top 1128%)
24M24.00 mi1.00 mi24262+279919-139919-1324147(Top 83%)10156(Top 81%)10156(Top 1068%)
40K24.85 mi0.85 mi24274-129939-209939-2024550(Top 85%)10416(Top 83%)10416(Top 1095%)
25.2M25.20 mi0.35 mi24309-359962-239962-2325941(Top 89%)11081(Top 88%)11081(Top 1165%)
FINISH26.22 mi1.02 mi24332-239983-219983-2125037(Top 86%)10646(Top 85%)10646(Top 1119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22873

Females

9077

F55-59

9077

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19990

Females

7593

F55-59

7593

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22873

Females

9077

F55-59

9077

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22830

Females

9086

F55-59

9086

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22121

Females

8711

F55-59

8711

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24477

Females

9960

F55-59

9960

25K→30K

15.5 - 18.6 mi

Top 91%
×9
+181ft-148ft

Overall

26418

Females

11125

F55-59

11125

30K→20M

18.6 - 20.0 mi

Top 92%
×5
+64ft-50ft

Overall

26615

Females

11307

F55-59

11307

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27173

Females

11639

F55-59

11639

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25353

Females

10699

F55-59

10699

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25306

Females

10725

F55-59

10725

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

24147

Females

10156

F55-59

10156

24M→40K

24.0 - 24.9 mi

Top 85%
×1
+6ft-20ft

Overall

24550

Females

10416

F55-59

10416

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25941

Females

11081

F55-59

11081

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

25037

Females

10646

F55-59

10646

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
553
Passed By
1844
Net Change
-4544
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19788
5K → 10K200200-53#19788#19841
10K → 15K16200-1113#19841#20954
15K → 20K47200-513#20954#21467
20K → HALF2449-25#21467#21492
HALF → 25K21200-717#21492#22209
25K → 30K13200-1268#22209#23477
30K → 20M20200-323#23477#23800
20M → 21M9200-340#23800#24140
21M → 35K1283-71#24140#24211
35K → 23M44122-78#24211#24289
23M → 24M6841+27#24289#24262
24M → 40K4153-12#24262#24274
40K → 25.2M338-35#24274#24309
25.2M → FINISH3558-23#24309#24332
TOTALS5531844-4544
📊

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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