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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Samantha Zheng

Bib: 23938 β€’F β€’Age: N/A

NY

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 (F50-54)
#0 / 1233
Race Day Weather
51Β°/41Β°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
29:18
3.11 mi
Rank: #24272
Start β†’ 5K
29:18 | 9:26/mi
10K
1:00:39
6.21 mi
Rank: #25256 (-984)
5K β†’ 10K
31:21 | 10:06/mi
15K
1:33:16
9.32 mi
Rank: #25830 (-574)
10K β†’ 15K
32:37 | 10:30/mi
20K
2:06:31
12.43 mi
Rank: #26038 (-208)
15K β†’ 20K
33:15 | 10:43/mi
HALF
2:13:44
13.11 mi
Rank: #26074 (-36)
20K β†’ HALF
7:13 | 10:36/mi
25K
2:39:49
15.53 mi
Rank: #26058 (+16)
HALF β†’ 25K
26:05 | 10:46/mi
30K
3:14:27
18.64 mi
Rank: #25977 (+81)
25K β†’ 30K
34:38 | 11:09/mi
20M
3:29:18
20.00 mi
Rank: #25889 (+88)
30K β†’ 20M
14:51 | 10:56/mi
21M
3:42:56
21.00 mi
Rank: #26015 (-126)
20M β†’ 21M
13:38 | 13:38/mi
35K
3:51:25
21.75 mi
Rank: #26005 (+10)
21M β†’ 35K
8:29 | 11:21/mi
23M
4:05:21
23.00 mi
Rank: #25948 (+57)
35K β†’ 23M
13:56 | 11:09/mi
24M
4:16:40
24.00 mi
Rank: #25940 (+8)
23M β†’ 24M
11:19 | 11:19/mi
40K
4:27:30
24.85 mi
Rank: #25987 (-47)
24M β†’ 40K
10:50 | 12:41/mi
25.2M
4:32:10
25.20 mi
Rank: #26001 (-14)
40K β†’ 25.2M
4:40 | 13:32/mi
FINISH
4:43:43
26.22 mi
Rank: #26042 (-41)
25.2M β†’ FINISH
11:33 | 11:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:13:44
Pace10:13 /mi
2nd Half
Distance13.11 mi
Time2:29:59
Pace11:27 /mi
πŸ“ŠPositive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:0329:189:2629:18
9:26
-
10K
6.21 mi12:04:241:00:399:4631:21
10:06
+0:40
15K
9.32 mi12:37:011:33:1610:0132:37
10:30
+0:24
20K
12.43 mi13:10:162:06:3110:1133:15
10:43
+0:13
HALF
13.11 mi13:17:292:13:4410:137:13
10:36
-0:07
25K
15.53 mi13:43:342:39:4910:1826:05
10:46
+0:10
30K
18.64 mi14:18:123:14:2710:2634:38
11:09
+0:23
20M
20.00 mi14:33:033:29:1810:2814:51
10:56
-0:13
21M
21.00 mi14:46:413:42:5610:3713:38
13:38
+2:42
35K
21.75 mi14:55:103:51:2510:398:29
11:21
-2:17
23M
23.00 mi15:09:064:05:2110:4113:56
11:09
-0:12
24M
24.00 mi15:20:254:16:4010:4211:19
11:19
+0:10
40K
24.85 mi15:31:154:27:3010:4610:50
12:41
+1:22
25.2M
25.20 mi15:35:554:32:1010:494:40
13:32
+0:51
FINISH
26.22 mi15:47:284:43:4310:5011:33
11:21
-2:11

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:26 /mi

Average Pace

10:50 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:33:16

33% of race

Time at Steady Pace

2:41:19

57% of race

Time at Slower Pace

29:08

10% of race

Average Pace: 10:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:33:0329:189:2629:18
9:26
#24272
10K
6.21 mi12:04:241:00:399:4631:21
10:06
#25256
15K
9.32 mi12:37:011:33:1610:0132:37
10:30
#25830
20K
12.43 mi13:10:162:06:3110:1133:15
10:43
#26038
HALF
13.11 mi13:17:292:13:4410:137:13
10:36
#26074
25K
15.53 mi13:43:342:39:4910:1826:05
10:46
#26058
30K
18.64 mi14:18:123:14:2710:2634:38
11:09
#25977
20M
20.00 mi14:33:033:29:1810:2814:51
10:56
#25889
21M
21.00 mi14:46:413:42:5610:3713:38
13:38
#26015
35K
21.75 mi14:55:103:51:2510:398:29
11:21
#26005
23M
23.00 mi15:09:064:05:2110:4113:56
11:09
#25948
24M
24.00 mi15:20:254:16:4010:4211:19
11:19
#25940
40K
24.85 mi15:31:154:27:3010:4610:50
12:41
#25987
25.2M
25.20 mi15:35:554:32:1010:494:40
13:32
#26001
FINISH
26.22 mi15:47:284:43:4310:5011:33
11:21
#26042
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi242729808980826690(Top 92%)11122(Top 88%)11122(Top 902%)
10K6.21 mi3.10 mi25256-98410317-50910317-50926068(Top 90%)10763(Top 86%)10763(Top 873%)
15K9.32 mi3.11 mi25830-57410624-30710624-30726690(Top 92%)11122(Top 88%)11122(Top 902%)
20K12.43 mi3.11 mi26038-20810744-12010744-12026523(Top 91%)11050(Top 88%)11050(Top 896%)
HALF13.11 mi0.68 mi26074-3610768-2410768-2426818(Top 92%)11255(Top 89%)11255(Top 913%)
25K15.53 mi2.42 mi26058+1610776-810776-825940(Top 89%)10754(Top 85%)10754(Top 872%)
30K18.64 mi3.11 mi25977+8110749+2710749+2725601(Top 88%)10679(Top 85%)10679(Top 866%)
20M20.00 mi1.36 mi25889+8810714+3510714+3524799(Top 85%)10341(Top 82%)10341(Top 839%)
21M21.00 mi1.00 mi26015-12610807-9310807-9327008(Top 93%)11560(Top 92%)11560(Top 938%)
35K21.75 mi0.75 mi26005+1010815-810815-825819(Top 89%)10939(Top 87%)10939(Top 887%)
23M23.00 mi1.25 mi25948+5710792+2310792+2324779(Top 85%)10468(Top 83%)10468(Top 849%)
24M24.00 mi1.00 mi25940+810802-1010802-1025664(Top 88%)10934(Top 87%)10934(Top 887%)
40K24.85 mi0.85 mi25987-4710839-3710839-3726726(Top 92%)11506(Top 91%)11506(Top 933%)
25.2M25.20 mi0.35 mi26001-1410848-910848-926739(Top 92%)11493(Top 91%)11493(Top 932%)
FINISH26.22 mi1.02 mi26042-4110886-3810886-3826656(Top 92%)11471(Top 91%)11471(Top 930%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26690

Females

11122

F50-54

11122

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26068

Females

10763

F50-54

10763

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26690

Females

11122

F50-54

11122

15K→20K

9.3 - 12.4 mi

Top 91%
Γ—5
+106ft-86ft

Overall

26523

Females

11050

F50-54

11050

20K→HALF

12.4 - 13.1 mi

Top 92%
Γ—2
+19ft-37ft

Overall

26818

Females

11255

F50-54

11255

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25940

Females

10754

F50-54

10754

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25601

Females

10679

F50-54

10679

30K→20M

18.6 - 20.0 mi

Top 85%
Γ—5
+64ft-50ft

Overall

24799

Females

10341

F50-54

10341

20M→21M

20.0 - 21.0 mi

Top 93%
Γ—8
+106ft-24ft

Overall

27008

Females

11560

F50-54

11560

21M→35K

21.0 - 21.8 mi

Top 89%
Γ—7
+17ft-86ft

Overall

25819

Females

10939

F50-54

10939

35K→23M

21.8 - 23.0 mi

Top 85%
Γ—5
+23ft-63ft

Overall

24779

Females

10468

F50-54

10468

23M→24M

23.0 - 24.0 mi

Top 88%
Γ—6
+12ft-82ft

Overall

25664

Females

10934

F50-54

10934

24M→40K

24.0 - 24.9 mi

Top 92%
Γ—1
+6ft-20ft

Overall

26726

Females

11506

F50-54

11506

40K→25.2M

24.9 - 25.2 mi

Top 92%
Γ—1
+13ft-16ft

Overall

26739

Females

11493

F50-54

11493

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
Γ—2
+22ft-21ft

Overall

26656

Females

11471

F50-54

11471

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
715
Passed By
1213
Net Change
-1770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#24272
5K β†’ 10K22200-984#24272#25256
10K β†’ 15K22200-574#25256#25830
15K β†’ 20K62200-208#25830#26038
20K β†’ HALF1551-36#26038#26074
HALF β†’ 25K9579+16#26074#26058
25K β†’ 30K16685+81#26058#25977
30K β†’ 20M10618+88#25977#25889
20M β†’ 21M23149-126#25889#26015
21M β†’ 35K4535+10#26015#26005
35K β†’ 23M7114+57#26005#25948
23M β†’ 24M4234+8#25948#25940
24M β†’ 40K1663-47#25940#25987
40K β†’ 25.2M822-14#25987#26001
25.2M β†’ FINISH2263-41#26001#26042
TOTALS7151213-1770
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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