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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mary Kauffman

Bib: 28581 •F •Age: N/A

TN

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
27:34
3.11 mi
Rank: #22053
Start → 5K
27:34 | 8:53/mi
10K
53:45
6.21 mi
Rank: #21048 (+1005)
5K → 10K
26:11 | 8:26/mi
15K
1:19:48
9.32 mi
Rank: #20495 (+553)
10K → 15K
26:03 | 8:24/mi
20K
1:45:26
12.43 mi
Rank: #19827 (+668)
15K → 20K
25:38 | 8:16/mi
HALF
1:51:01
13.11 mi
Rank: #19748 (+79)
20K → HALF
5:35 | 8:12/mi
25K
2:11:34
15.53 mi
Rank: #19554 (+194)
HALF → 25K
20:33 | 8:29/mi
30K
2:38:40
18.64 mi
Rank: #19289 (+265)
25K → 30K
27:06 | 8:44/mi
20M
2:50:27
20.00 mi
Rank: #19128 (+161)
30K → 20M
11:47 | 8:41/mi
21M
2:59:19
21.00 mi
Rank: #18905 (+223)
20M → 21M
8:52 | 8:52/mi
35K
3:05:32
21.75 mi
Rank: #18796 (+109)
21M → 35K
6:13 | 8:19/mi
23M
3:16:10
23.00 mi
Rank: #18608 (+188)
35K → 23M
10:38 | 8:30/mi
24M
3:24:21
24.00 mi
Rank: #18464 (+144)
23M → 24M
8:11 | 8:11/mi
40K
3:31:28
24.85 mi
Rank: #18308 (+156)
24M → 40K
7:07 | 8:20/mi
25.2M
3:34:27
25.20 mi
Rank: #18226 (+82)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:42:23
26.22 mi
Rank: #18045 (+181)
25.2M → FINISH
7:56 | 7:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:51:01
Pace8:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:22
Pace8:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1827:348:5327:34
8:53
-
10K
6.21 mi12:19:2953:458:4026:11
8:26
-0:27
15K
9.32 mi12:45:321:19:488:3426:03
8:24
-0:02
20K
12.43 mi13:11:101:45:268:3025:38
8:16
-0:08
HALF
13.11 mi13:16:451:51:018:295:35
8:12
-0:04
25K
15.53 mi13:37:182:11:348:2920:33
8:29
+0:17
30K
18.64 mi14:04:242:38:408:3127:06
8:44
+0:15
20M
20.00 mi14:16:112:50:278:3211:47
8:41
-0:03
21M
21.00 mi14:25:032:59:198:338:52
8:52
+0:11
35K
21.75 mi14:31:163:05:328:326:13
8:19
-0:33
23M
23.00 mi14:41:543:16:108:3210:38
8:30
+0:11
24M
24.00 mi14:50:053:24:218:318:11
8:11
-0:19
40K
24.85 mi14:57:123:31:288:317:07
8:20
+0:09
25.2M
25.20 mi15:00:113:34:278:312:59
8:40
+0:20
FINISH
26.22 mi15:08:073:42:238:307:56
7:48
-0:52

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

7:48 /mi

Average Pace

8:29 /mi

Slowest Pace

8:53 /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

2:24:05

65% of race

Time at Steady Pace

1:18:18

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:53:1827:348:5327:34
8:53
#22053
10K
6.21 mi12:19:2953:458:4026:11
8:26
#21048
15K
9.32 mi12:45:321:19:488:3426:03
8:24
#20495
20K
12.43 mi13:11:101:45:268:3025:38
8:16
#19827
HALF
13.11 mi13:16:451:51:018:295:35
8:12
#19748
25K
15.53 mi13:37:182:11:348:2920:33
8:29
#19554
30K
18.64 mi14:04:242:38:408:3127:06
8:44
#19289
20M
20.00 mi14:16:112:50:278:3211:47
8:41
#19128
21M
21.00 mi14:25:032:59:198:338:52
8:52
#18905
35K
21.75 mi14:31:163:05:328:326:13
8:19
#18796
23M
23.00 mi14:41:543:16:108:3210:38
8:30
#18608
24M
24.00 mi14:50:053:24:218:318:11
8:11
#18464
40K
24.85 mi14:57:123:31:288:317:07
8:20
#18308
25.2M
25.20 mi15:00:113:34:278:312:59
8:40
#18226
FINISH
26.22 mi15:08:073:42:238:307:56
7:48
#18045
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220538716871619481(Top 67%)7303(Top 58%)7303(Top 128%)
10K6.21 mi3.10 mi21048+10058173+5438173+54319951(Top 69%)7566(Top 60%)7566(Top 132%)
15K9.32 mi3.11 mi20495+5537867+3067867+30619481(Top 67%)7303(Top 58%)7303(Top 128%)
20K12.43 mi3.11 mi19827+6687533+3347533+33417815(Top 61%)6407(Top 51%)6407(Top 112%)
HALF13.11 mi0.68 mi19748+797481+527481+5218398(Top 63%)6710(Top 53%)6710(Top 117%)
25K15.53 mi2.42 mi19554+1947382+997382+9918431(Top 64%)6803(Top 54%)6803(Top 119%)
30K18.64 mi3.11 mi19289+2657268+1147268+11418164(Top 63%)6769(Top 54%)6769(Top 118%)
20M20.00 mi1.36 mi19128+1617191+777191+7717283(Top 60%)6350(Top 50%)6350(Top 111%)
21M21.00 mi1.00 mi18905+2237087+1047087+10415417(Top 53%)5376(Top 43%)5376(Top 94%)
35K21.75 mi0.75 mi18796+1097036+517036+5116534(Top 57%)6058(Top 48%)6058(Top 106%)
23M23.00 mi1.25 mi18608+1886943+936943+9315735(Top 54%)5697(Top 45%)5697(Top 100%)
24M24.00 mi1.00 mi18464+1446880+636880+6315032(Top 52%)5361(Top 43%)5361(Top 94%)
40K24.85 mi0.85 mi18308+1566813+676813+6714655(Top 50%)5252(Top 42%)5252(Top 92%)
25.2M25.20 mi0.35 mi18226+826777+366777+3612727(Top 44%)4259(Top 34%)4259(Top 75%)
FINISH26.22 mi1.02 mi18045+1816686+916686+9113715(Top 47%)4795(Top 38%)4795(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19481

Females

7303

F18-39

7303

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19951

Females

7566

F18-39

7566

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19481

Females

7303

F18-39

7303

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17815

Females

6407

F18-39

6407

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18398

Females

6710

F18-39

6710

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18431

Females

6803

F18-39

6803

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18164

Females

6769

F18-39

6769

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17283

Females

6350

F18-39

6350

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15417

Females

5376

F18-39

5376

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16534

Females

6058

F18-39

6058

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15735

Females

5697

F18-39

5697

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

15032

Females

5361

F18-39

5361

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14655

Females

5252

F18-39

5252

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12727

Females

4259

F18-39

4259

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13715

Females

4795

F18-39

4795

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4284*
Passed By
276
Net Change
+4008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22053
5K → 10K1061*56+1005#22053#21048
10K → 15K590*37+553#21048#20495
15K → 20K671*3+668#20495#19827
20K → HALF856+79#19827#19748
HALF → 25K228*34+194#19748#19554
25K → 30K331*66+265#19554#19289
30K → 20M18625+161#19289#19128
20M → 21M227*4+223#19128#18905
21M → 35K1189+109#18905#18796
35K → 23M19911+188#18796#18608
23M → 24M1539+144#18608#18464
24M → 40K1626+156#18464#18308
40K → 25.2M831+82#18308#18226
25.2M → FINISH1909+181#18226#18045
TOTALS4284*276+4008

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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