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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Denise Jacobson

Bib: 24757 •F •Age: N/A

MN

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
Top 49%
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
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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
25:54
3.11 mi
Rank: #19118
Start → 5K
25:54 | 8:21/mi
10K
52:04
6.21 mi
Rank: #19507 (-389)
5K → 10K
26:10 | 8:26/mi
15K
1:18:24
9.32 mi
Rank: #19639 (-132)
10K → 15K
26:20 | 8:29/mi
20K
1:45:15
12.43 mi
Rank: #19747 (-108)
15K → 20K
26:51 | 8:39/mi
HALF
1:51:11
13.11 mi
Rank: #19830 (-83)
20K → HALF
5:56 | 8:43/mi
25K
2:13:20
15.53 mi
Rank: #20201 (-371)
HALF → 25K
22:09 | 9:08/mi
30K
2:42:21
18.64 mi
Rank: #20385 (-184)
25K → 30K
29:01 | 9:21/mi
20M
2:55:58
20.00 mi
Rank: #20631 (-246)
30K → 20M
13:37 | 10:02/mi
21M
3:06:16
21.00 mi
Rank: #20673 (-42)
20M → 21M
10:18 | 10:18/mi
35K
3:13:12
21.75 mi
Rank: #20680 (-7)
21M → 35K
6:56 | 9:17/mi
23M
3:25:30
23.00 mi
Rank: #20766 (-86)
35K → 23M
12:18 | 9:50/mi
24M
3:35:35
24.00 mi
Rank: #20942 (-176)
23M → 24M
10:05 | 10:05/mi
40K
3:44:29
24.85 mi
Rank: #21083 (-141)
24M → 40K
8:54 | 10:25/mi
25.2M
3:48:23
25.20 mi
Rank: #21127 (-44)
40K → 25.2M
3:54 | 11:19/mi
FINISH
3:58:21
26.22 mi
Rank: #21261 (-134)
25.2M → FINISH
9:58 | 9:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:07:10
Pace9:43 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0125:548:2125:54
8:21
-
10K
6.21 mi12:13:1152:048:2326:10
8:26
+0:05
15K
9.32 mi12:39:311:18:248:2526:20
8:29
+0:03
20K
12.43 mi13:06:221:45:158:2926:51
8:39
+0:10
HALF
13.11 mi13:12:181:51:118:295:56
8:43
+0:04
25K
15.53 mi13:34:272:13:208:3522:09
9:08
+0:25
30K
18.64 mi14:03:282:42:218:4329:01
9:21
+0:13
20M
20.00 mi14:17:052:55:588:4813:37
10:02
+0:41
21M
21.00 mi14:27:233:06:168:5310:18
10:18
+0:16
35K
21.75 mi14:34:193:13:128:546:56
9:17
-1:01
23M
23.00 mi14:46:373:25:308:5712:18
9:50
+0:33
24M
24.00 mi14:56:423:35:358:5910:05
10:05
+0:15
40K
24.85 mi15:05:363:44:299:028:54
10:25
+0:20
25.2M
25.20 mi15:09:303:48:239:043:54
11:19
+0:54
FINISH
26.22 mi15:19:283:58:219:069:58
9:47
-1:32

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

8:21 /mi

Average Pace

9:06 /mi

Slowest Pace

11:19 /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

1:51:11

47% of race

Time at Steady Pace

58:06

24% of race

Time at Slower Pace

1:09:04

29% of race

Average Pace: 9:05 /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 mi11:47:0125:548:2125:54
8:21
#19118
10K
6.21 mi12:13:1152:048:2326:10
8:26
#19507
15K
9.32 mi12:39:311:18:248:2526:20
8:29
#19639
20K
12.43 mi13:06:221:45:158:2926:51
8:39
#19747
HALF
13.11 mi13:12:181:51:118:295:56
8:43
#19830
25K
15.53 mi13:34:272:13:208:3522:09
9:08
#20201
30K
18.64 mi14:03:282:42:218:4329:01
9:21
#20385
20M
20.00 mi14:17:052:55:588:4813:37
10:02
#20631
21M
21.00 mi14:27:233:06:168:5310:18
10:18
#20673
35K
21.75 mi14:34:193:13:128:546:56
9:17
#20680
23M
23.00 mi14:46:373:25:308:5712:18
9:50
#20766
24M
24.00 mi14:56:423:35:358:5910:05
10:05
#20942
40K
24.85 mi15:05:363:44:299:028:54
10:25
#21083
25.2M
25.20 mi15:09:303:48:239:043:54
11:19
#21127
FINISH
26.22 mi15:19:283:58:219:069:58
9:47
#21261
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 mi191187155715520023(Top 69%)7603(Top 60%)7603(Top 799%)
10K6.21 mi3.10 mi19507-3897350-1957350-19519931(Top 69%)7559(Top 60%)7559(Top 795%)
15K9.32 mi3.11 mi19639-1327417-677417-6720023(Top 69%)7603(Top 60%)7603(Top 799%)
20K12.43 mi3.11 mi19747-1087483-667483-6620133(Top 69%)7702(Top 61%)7702(Top 810%)
HALF13.11 mi0.68 mi19830-837535-527535-5221394(Top 74%)8321(Top 66%)8321(Top 875%)
25K15.53 mi2.42 mi20201-3717743-2087743-20821749(Top 75%)8552(Top 68%)8552(Top 899%)
30K18.64 mi3.11 mi20385-1847862-1197862-11921104(Top 73%)8314(Top 66%)8314(Top 874%)
20M20.00 mi1.36 mi20631-2467999-1377999-13722648(Top 78%)9179(Top 73%)9179(Top 965%)
21M21.00 mi1.00 mi20673-428026-278026-2721402(Top 74%)8586(Top 68%)8586(Top 903%)
35K21.75 mi0.75 mi20680-78045-198045-1921063(Top 73%)8471(Top 67%)8471(Top 891%)
23M23.00 mi1.25 mi20766-868109-648109-6421656(Top 75%)8821(Top 70%)8821(Top 928%)
24M24.00 mi1.00 mi20942-1768194-858194-8523032(Top 79%)9562(Top 76%)9562(Top 1005%)
40K24.85 mi0.85 mi21083-1418282-888282-8822985(Top 79%)9602(Top 76%)9602(Top 1010%)
25.2M25.20 mi0.35 mi21127-448307-258307-2523122(Top 80%)9669(Top 77%)9669(Top 1017%)
FINISH26.22 mi1.02 mi21261-1348387-808387-8023241(Top 80%)9732(Top 77%)9732(Top 1023%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20023

Females

7603

F55-59

7603

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19931

Females

7559

F55-59

7559

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20023

Females

7603

F55-59

7603

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20133

Females

7702

F55-59

7702

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21394

Females

8321

F55-59

8321

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21749

Females

8552

F55-59

8552

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21104

Females

8314

F55-59

8314

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22648

Females

9179

F55-59

9179

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21402

Females

8586

F55-59

8586

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21063

Females

8471

F55-59

8471

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21656

Females

8821

F55-59

8821

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

23032

Females

9562

F55-59

9562

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22985

Females

9602

F55-59

9602

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23122

Females

9669

F55-59

9669

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23241

Females

9732

F55-59

9732

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
784
Passed By
2144
Net Change
-2143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19118
5K → 10K111200-389#19118#19507
10K → 15K119200-132#19507#19639
15K → 20K112200-108#19639#19747
20K → HALF992-83#19747#19830
HALF → 25K45200-371#19830#20201
25K → 30K130200-184#20201#20385
30K → 20M36200-246#20385#20631
20M → 21M64106-42#20631#20673
21M → 35K3946-7#20673#20680
35K → 23M44130-86#20680#20766
23M → 24M21197-176#20766#20942
24M → 40K22163-141#20942#21083
40K → 25.2M1256-44#21083#21127
25.2M → FINISH20154-134#21127#21261
TOTALS7842144-2143
📊

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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Export & Support

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