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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lauren Gronbeck

Bib: 12696 β€’F β€’Age: N/A

CT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 34%
Gender (Female)
#0 / 12578
Top 17%
Age Group (F18-39)
#0 / 5716
Top 31%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Lauren

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 6:46/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
23:20
3.11 mi
Rank: #12864
Start β†’ 5K
23:20 | 7:31/mi
10K
46:26
6.21 mi
Rank: #12604 (+260)
5K β†’ 10K
23:06 | 7:27/mi
15K
1:09:26
9.32 mi
Rank: #12371 (+233)
10K β†’ 15K
23:00 | 7:25/mi
20K
1:32:16
12.43 mi
Rank: #11926 (+445)
15K β†’ 20K
22:50 | 7:21/mi
HALF
1:37:19
13.11 mi
Rank: #11934 (-8)
20K β†’ HALF
5:03 | 7:25/mi
25K
1:55:08
15.53 mi
Rank: #11648 (+286)
HALF β†’ 25K
17:49 | 7:21/mi
30K
2:18:09
18.64 mi
Rank: #11111 (+537)
25K β†’ 30K
23:01 | 7:25/mi
20M
2:28:23
20.00 mi
Rank: #10951 (+160)
30K β†’ 20M
10:14 | 7:33/mi
21M
2:35:58
21.00 mi
Rank: #10663 (+288)
20M β†’ 21M
7:35 | 7:35/mi
35K
2:41:26
21.75 mi
Rank: #10586 (+77)
21M β†’ 35K
5:28 | 7:19/mi
23M
2:50:42
23.00 mi
Rank: #10378 (+208)
35K β†’ 23M
9:16 | 7:25/mi
24M
2:58:00
24.00 mi
Rank: #10259 (+119)
23M β†’ 24M
7:18 | 7:18/mi
40K
3:04:08
24.85 mi
Rank: #10071 (+188)
24M β†’ 40K
6:08 | 7:11/mi
25.2M
3:06:45
25.20 mi
Rank: #9983 (+88)
40K β†’ 25.2M
2:37 | 7:36/mi
FINISH
3:13:39
26.22 mi
Rank: #9765 (+218)
25.2M β†’ FINISH
6:54 | 6:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:37:19
Pace7:26 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:36:20
Pace7:21 /mi
πŸ“ŠNegative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2523:207:3123:20
7:31
-
10K
6.21 mi11:15:3146:267:2923:06
7:27
-0:04
15K
9.32 mi11:38:311:09:267:2723:00
7:25
-0:02
20K
12.43 mi12:01:211:32:167:2622:50
7:21
-0:04
HALF
13.11 mi12:06:241:37:197:265:03
7:25
+0:04
25K
15.53 mi12:24:131:55:087:2517:49
7:21
-0:04
30K
18.64 mi12:47:142:18:097:2523:01
7:25
+0:04
20M
20.00 mi12:57:282:28:237:2610:14
7:33
+0:08
21M
21.00 mi13:05:032:35:587:267:35
7:35
+0:02
35K
21.75 mi13:10:312:41:267:265:28
7:19
-0:16
23M
23.00 mi13:19:472:50:427:269:16
7:25
+0:06
24M
24.00 mi13:27:052:58:007:267:18
7:18
-0:07
40K
24.85 mi13:33:133:04:087:256:08
7:11
-0:07
25.2M
25.20 mi13:35:503:06:457:252:37
7:36
+0:25
FINISH
26.22 mi13:42:443:13:397:246:54
6:47
-0:49

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

6:47 /mi

Average Pace

7:23 /mi

Slowest Pace

7:36 /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

2:29:53

77% of race

Time at Steady Pace

43:46

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:52:2523:207:3123:20
7:31
#12864
10K
6.21 mi11:15:3146:267:2923:06
7:27
#12604
15K
9.32 mi11:38:311:09:267:2723:00
7:25
#12371
20K
12.43 mi12:01:211:32:167:2622:50
7:21
#11926
HALF
13.11 mi12:06:241:37:197:265:03
7:25
#11934
25K
15.53 mi12:24:131:55:087:2517:49
7:21
#11648
30K
18.64 mi12:47:142:18:097:2523:01
7:25
#11111
20M
20.00 mi12:57:282:28:237:2610:14
7:33
#10951
21M
21.00 mi13:05:032:35:587:267:35
7:35
#10663
35K
21.75 mi13:10:312:41:267:265:28
7:19
#10586
23M
23.00 mi13:19:472:50:427:269:16
7:25
#10378
24M
24.00 mi13:27:052:58:007:267:18
7:18
#10259
40K
24.85 mi13:33:133:04:087:256:08
7:11
#10071
25.2M
25.20 mi13:35:503:06:457:252:37
7:36
#9983
FINISH
26.22 mi13:42:443:13:397:246:54
6:47
#9765
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 mi128643407340711964(Top 41%)2999(Top 24%)2999(Top 52%)
10K6.21 mi3.10 mi12604+2603282+1253282+12512405(Top 43%)3201(Top 25%)3201(Top 56%)
15K9.32 mi3.11 mi12371+2333167+1153167+11511964(Top 41%)2999(Top 24%)2999(Top 52%)
20K12.43 mi3.11 mi11926+4452952+2152952+21510651(Top 37%)2382(Top 19%)2382(Top 42%)
HALF13.11 mi0.68 mi11934-82953-12953-112205(Top 42%)3110(Top 25%)3110(Top 54%)
25K15.53 mi2.42 mi11648+2862836+1172836+11710133(Top 35%)2195(Top 17%)2195(Top 38%)
30K18.64 mi3.11 mi11111+5372603+2332603+2338933(Top 31%)1782(Top 14%)1782(Top 31%)
20M20.00 mi1.36 mi10951+1602548+552548+559366(Top 32%)2085(Top 17%)2085(Top 36%)
21M21.00 mi1.00 mi10663+2882425+1232425+1237087(Top 24%)1247(Top 10%)1247(Top 22%)
35K21.75 mi0.75 mi10586+772406+192406+199395(Top 32%)2197(Top 17%)2197(Top 38%)
23M23.00 mi1.25 mi10378+2082338+682338+688208(Top 28%)1734(Top 14%)1734(Top 30%)
24M24.00 mi1.00 mi10259+1192303+352303+358634(Top 30%)2009(Top 16%)2009(Top 35%)
40K24.85 mi0.85 mi10071+1882222+812222+816640(Top 23%)1238(Top 10%)1238(Top 22%)
25.2M25.20 mi0.35 mi9983+882197+252197+255868(Top 20%)1041(Top 8%)1041(Top 18%)
FINISH26.22 mi1.02 mi9765+2182119+782119+785943(Top 20%)1102(Top 9%)1102(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
Γ—21
+97ft-345ft

Overall

11964

Females

2999

F18-39

2999

5K→10K

3.1 - 6.2 mi

Top 43%
Γ—5
+79ft-138ft

Overall

12405

Females

3201

F18-39

3201

10K→15K

6.2 - 9.3 mi

Top 41%
Γ—3
+67ft-78ft

Overall

11964

Females

2999

F18-39

2999

15K→20K

9.3 - 12.4 mi

Top 37%
Γ—5
+106ft-86ft

Overall

10651

Females

2382

F18-39

2382

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12205

Females

3110

F18-39

3110

HALF→25K

13.1 - 15.5 mi

Top 35%
Γ—4
+66ft-88ft

Overall

10133

Females

2195

F18-39

2195

25K→30K

15.5 - 18.6 mi

Top 31%
Γ—9
+181ft-148ft

Overall

8933

Females

1782

F18-39

1782

30K→20M

18.6 - 20.0 mi

Top 32%
Γ—5
+64ft-50ft

Overall

9366

Females

2085

F18-39

2085

20M→21M

20.0 - 21.0 mi

Top 24%
Γ—8
+106ft-24ft

Overall

7087

Females

1247

F18-39

1247

21M→35K

21.0 - 21.8 mi

Top 32%
Γ—7
+17ft-86ft

Overall

9395

Females

2197

F18-39

2197

35K→23M

21.8 - 23.0 mi

Top 28%
Γ—5
+23ft-63ft

Overall

8208

Females

1734

F18-39

1734

23M→24M

23.0 - 24.0 mi

Top 30%
Γ—6
+12ft-82ft

Overall

8634

Females

2009

F18-39

2009

24M→40K

24.0 - 24.9 mi

Top 23%
Γ—1
+6ft-20ft

Overall

6640

Females

1238

F18-39

1238

40K→25.2M

24.9 - 25.2 mi

Top 20%
Γ—1
+13ft-16ft

Overall

5868

Females

1041

F18-39

1041

25.2M→FINISH

25.2 - 26.2 mi

Top 20%
Γ—2
+22ft-21ft

Overall

5943

Females

1102

F18-39

1102

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3515*
Passed By
416
Net Change
+3099
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12864
5K β†’ 10K424*164+260#12864#12604
10K β†’ 15K320*87+233#12604#12371
15K β†’ 20K455*10+445#12371#11926
20K β†’ HALF2432-8#11926#11934
HALF β†’ 25K294*8+286#11934#11648
25K β†’ 30K551*14+537#11648#11111
30K β†’ 20M18121+160#11111#10951
20M β†’ 21M288*0+288#10951#10663
21M β†’ 35K9821+77#10663#10586
35K β†’ 23M230*22+208#10586#10378
23M β†’ 24M13819+119#10378#10259
24M β†’ 40K194*6+188#10259#10071
40K β†’ 25.2M92*4+88#10071#9983
25.2M β†’ FINISH226*8+218#9983#9765
TOTALS3515*416+3099

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

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

Activity Data

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