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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Barbara Belch

Bib: 25463 •F •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 (F65-69)
#0 / 273
Top 47%
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
28:01
3.11 mi
Rank: #22754
Start → 5K
28:01 | 9:02/mi
10K
56:28
6.21 mi
Rank: #23109 (-355)
5K → 10K
28:27 | 9:10/mi
15K
1:25:10
9.32 mi
Rank: #23319 (-210)
10K → 15K
28:42 | 9:15/mi
20K
1:54:39
12.43 mi
Rank: #23457 (-138)
15K → 20K
29:29 | 9:30/mi
HALF
2:01:00
13.11 mi
Rank: #23487 (-30)
20K → HALF
6:21 | 9:19/mi
25K
2:27:27
15.53 mi
Rank: #24080 (-593)
HALF → 25K
26:27 | 10:55/mi
30K
3:01:41
18.64 mi
Rank: #24344 (-264)
25K → 30K
34:14 | 11:02/mi
20M
3:16:41
20.00 mi
Rank: #24404 (-60)
30K → 20M
15:00 | 11:03/mi
21M
3:28:05
21.00 mi
Rank: #24371 (+33)
20M → 21M
11:24 | 11:24/mi
35K
3:36:20
21.75 mi
Rank: #24415 (-44)
21M → 35K
8:15 | 11:02/mi
23M
3:50:11
23.00 mi
Rank: #24442 (-27)
35K → 23M
13:51 | 11:05/mi
24M
4:00:57
24.00 mi
Rank: #24431 (+11)
23M → 24M
10:46 | 10:46/mi
40K
4:10:22
24.85 mi
Rank: #24405 (+26)
24M → 40K
9:25 | 11:01/mi
25.2M
4:14:18
25.20 mi
Rank: #24392 (+13)
40K → 25.2M
3:56 | 11:25/mi
FINISH
4:24:49
26.22 mi
Rank: #24402 (-10)
25.2M → FINISH
10:31 | 10:20/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
Time2:01:00
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:23:49
Pace10:59 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:0228:019:0228:01
9:02
-
10K
6.21 mi12:04:2956:289:0628:27
9:10
+0:08
15K
9.32 mi12:33:111:25:109:0928:42
9:15
+0:05
20K
12.43 mi13:02:401:54:399:1429:29
9:30
+0:15
HALF
13.11 mi13:09:012:01:009:146:21
9:19
-0:11
25K
15.53 mi13:35:282:27:279:3026:27
10:55
+1:36
30K
18.64 mi14:09:423:01:419:4534:14
11:02
+0:07
20M
20.00 mi14:24:423:16:419:5115:00
11:03
+0:01
21M
21.00 mi14:36:063:28:059:5511:24
11:24
+0:21
35K
21.75 mi14:44:213:36:209:578:15
11:02
-0:22
23M
23.00 mi14:58:123:50:1110:0113:51
11:05
+0:03
24M
24.00 mi15:08:584:00:5710:0310:46
10:46
-0:19
40K
24.85 mi15:18:234:10:2210:059:25
11:01
+0:15
25.2M
25.20 mi15:22:194:14:1810:063:56
11:25
+0:24
FINISH
26.22 mi15:32:504:24:4910:0710:31
10:20
-1:05

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

9:02 /mi

Average Pace

10:06 /mi

Slowest Pace

11:25 /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

2:11:31

50% of race

Time at Steady Pace

1:57:58

45% of race

Time at Slower Pace

15:20

6% of race

Average Pace: 10:06 /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 mi11:36:0228:019:0228:01
9:02
#22754
10K
6.21 mi12:04:2956:289:0628:27
9:10
#23109
15K
9.32 mi12:33:111:25:109:0928:42
9:15
#23319
20K
12.43 mi13:02:401:54:399:1429:29
9:30
#23457
HALF
13.11 mi13:09:012:01:009:146:21
9:19
#23487
25K
15.53 mi13:35:282:27:279:3026:27
10:55
#24080
30K
18.64 mi14:09:423:01:419:4534:14
11:02
#24344
20M
20.00 mi14:24:423:16:419:5115:00
11:03
#24404
21M
21.00 mi14:36:063:28:059:5511:24
11:24
#24371
35K
21.75 mi14:44:213:36:209:578:15
11:02
#24415
23M
23.00 mi14:58:123:50:1110:0113:51
11:05
#24442
24M
24.00 mi15:08:584:00:5710:0310:46
10:46
#24431
40K
24.85 mi15:18:234:10:2210:059:25
11:01
#24405
25.2M
25.20 mi15:22:194:14:1810:063:56
11:25
#24392
FINISH
26.22 mi15:32:504:24:4910:0710:31
10:20
#24402
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi227549048904823636(Top 81%)9476(Top 75%)9476(Top 3471%)
10K6.21 mi3.10 mi23109-3559224-1769224-17623473(Top 81%)9385(Top 75%)9385(Top 3438%)
15K9.32 mi3.11 mi23319-2109317-939317-9323636(Top 81%)9476(Top 75%)9476(Top 3471%)
20K12.43 mi3.11 mi23457-1389389-729389-7223738(Top 82%)9563(Top 76%)9563(Top 3503%)
HALF13.11 mi0.68 mi23487-309403-149403-1423879(Top 82%)9628(Top 77%)9628(Top 3527%)
25K15.53 mi2.42 mi24080-5939709-3069709-30626194(Top 90%)10909(Top 87%)10909(Top 3996%)
30K18.64 mi3.11 mi24344-2649873-1649873-16425375(Top 87%)10563(Top 84%)10563(Top 3869%)
20M20.00 mi1.36 mi24404-609924-519924-5125010(Top 86%)10442(Top 83%)10442(Top 3825%)
21M21.00 mi1.00 mi24371+339917+79917+723977(Top 83%)9962(Top 79%)9962(Top 3649%)
35K21.75 mi0.75 mi24415-449952-359952-3525316(Top 87%)10684(Top 85%)10684(Top 3914%)
23M23.00 mi1.25 mi24442-279979-279979-2724639(Top 85%)10384(Top 83%)10384(Top 3804%)
24M24.00 mi1.00 mi24431+119997-189997-1824654(Top 85%)10423(Top 83%)10423(Top 3818%)
40K24.85 mi0.85 mi24405+2610008-1110008-1124297(Top 84%)10283(Top 82%)10283(Top 3767%)
25.2M25.20 mi0.35 mi24392+1310007+110007+123342(Top 80%)9803(Top 78%)9803(Top 3591%)
FINISH26.22 mi1.02 mi24402-1010023-1610023-1624641(Top 85%)10440(Top 83%)10440(Top 3824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23636

Females

9476

F65-69

9476

5K→10K

3.1 - 6.2 mi

Top 81%
×5
+79ft-138ft

Overall

23473

Females

9385

F65-69

9385

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23636

Females

9476

F65-69

9476

15K→20K

9.3 - 12.4 mi

Top 82%
×5
+106ft-86ft

Overall

23738

Females

9563

F65-69

9563

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23879

Females

9628

F65-69

9628

HALF→25K

13.1 - 15.5 mi

Top 90%
×4
+66ft-88ft

Overall

26194

Females

10909

F65-69

10909

25K→30K

15.5 - 18.6 mi

Top 87%
×9
+181ft-148ft

Overall

25375

Females

10563

F65-69

10563

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

25010

Females

10442

F65-69

10442

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

23977

Females

9962

F65-69

9962

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25316

Females

10684

F65-69

10684

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24639

Females

10384

F65-69

10384

23M→24M

23.0 - 24.0 mi

Top 85%
×6
+12ft-82ft

Overall

24654

Females

10423

F65-69

10423

24M→40K

24.0 - 24.9 mi

Top 84%
×1
+6ft-20ft

Overall

24297

Females

10283

F65-69

10283

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23342

Females

9803

F65-69

9803

25.2M→FINISH

25.2 - 26.2 mi

Top 85%
×2
+22ft-21ft

Overall

24641

Females

10440

F65-69

10440

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
815
Passed By
1472
Net Change
-1648
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22754
5K → 10K125200-355#22754#23109
10K → 15K108200-210#23109#23319
15K → 20K108200-138#23319#23457
20K → HALF1646-30#23457#23487
HALF → 25K16200-593#23487#24080
25K → 30K74200-264#24080#24344
30K → 20M48108-60#24344#24404
20M → 21M7138+33#24404#24371
21M → 35K2771-44#24371#24415
35K → 23M4673-27#24415#24442
23M → 24M5645+11#24442#24431
24M → 40K6539+26#24431#24405
40K → 25.2M218+13#24405#24392
25.2M → FINISH3444-10#24392#24402
TOTALS8151472-1648
📊

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

Activity Data

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