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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Aileen Kroon

Bib: 20237 β€’F β€’Age: N/A

PA

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 (F40-44)
#0 / 1737
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
28:32
3.11 mi
Rank: #23415
Start β†’ 5K
28:32 | 9:12/mi
10K
57:52
6.21 mi
Rank: #23962 (-547)
5K β†’ 10K
29:20 | 9:27/mi
15K
1:27:25
9.32 mi
Rank: #24159 (-197)
10K β†’ 15K
29:33 | 9:31/mi
20K
1:57:26
12.43 mi
Rank: #24173 (-14)
15K β†’ 20K
30:01 | 9:40/mi
HALF
2:03:58
13.11 mi
Rank: #24191 (-18)
20K β†’ HALF
6:32 | 9:36/mi
25K
2:36:07
15.53 mi
Rank: #25519 (-1328)
HALF β†’ 25K
32:09 | 13:16/mi
30K
3:15:44
18.64 mi
Rank: #26119 (-600)
25K β†’ 30K
39:37 | 12:46/mi
20M
3:31:57
20.00 mi
Rank: #26157 (-38)
30K β†’ 20M
16:13 | 11:57/mi
21M
3:49:32
21.00 mi
Rank: #26569 (-412)
20M β†’ 21M
17:35 | 17:35/mi
35K
3:58:11
21.75 mi
Rank: #26553 (+16)
21M β†’ 35K
8:39 | 11:34/mi
23M
4:12:45
23.00 mi
Rank: #26512 (+41)
35K β†’ 23M
14:34 | 11:39/mi
24M
4:28:21
24.00 mi
Rank: #26786 (-274)
23M β†’ 24M
15:36 | 15:36/mi
40K
4:41:27
24.85 mi
Rank: #26951 (-165)
24M β†’ 40K
13:06 | 15:20/mi
25.2M
4:45:46
25.20 mi
Rank: #26933 (+18)
40K β†’ 25.2M
4:19 | 12:32/mi
FINISH
4:55:26
26.22 mi
Rank: #26835 (+98)
25.2M β†’ FINISH
9:40 | 9:30/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
Time2:03:58
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:51:28
Pace13:05 /mi
πŸ“ŠPositive Split: 38.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:4828:329:1228:32
9:12
-
10K
6.21 mi12:01:0857:529:1929:20
9:27
+0:15
15K
9.32 mi12:30:411:27:259:2329:33
9:31
+0:04
20K
12.43 mi13:00:421:57:269:2730:01
9:40
+0:09
HALF
13.11 mi13:07:142:03:589:286:32
9:36
-0:04
25K
15.53 mi13:39:232:36:0710:0332:09
13:16
+3:40
30K
18.64 mi14:19:003:15:4410:3139:37
12:46
-0:30
20M
20.00 mi14:35:133:31:5710:3616:13
11:57
-0:49
21M
21.00 mi14:52:483:49:3210:5617:35
17:35
+5:38
35K
21.75 mi15:01:273:58:1110:588:39
11:34
-6:01
23M
23.00 mi15:16:014:12:4511:0014:34
11:39
+0:05
24M
24.00 mi15:31:374:28:2111:1115:36
15:36
+3:57
40K
24.85 mi15:44:434:41:2711:2013:06
15:20
-0:16
25.2M
25.20 mi15:49:024:45:4611:214:19
12:32
-2:48
FINISH
26.22 mi15:58:424:55:2611:179:40
9:30
-3:02

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

9:12 /mi

Average Pace

11:17 /mi

Slowest Pace

17:35 /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

2:13:38

45% of race

Time at Steady Pace

1:23:22

28% of race

Time at Slower Pace

1:18:26

27% of race

Average Pace: 11:16 /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 mi11:31:4828:329:1228:32
9:12
#23415
10K
6.21 mi12:01:0857:529:1929:20
9:27
#23962
15K
9.32 mi12:30:411:27:259:2329:33
9:31
#24159
20K
12.43 mi13:00:421:57:269:2730:01
9:40
#24173
HALF
13.11 mi13:07:142:03:589:286:32
9:36
#24191
25K
15.53 mi13:39:232:36:0710:0332:09
13:16
#25519
30K
18.64 mi14:19:003:15:4410:3139:37
12:46
#26119
20M
20.00 mi14:35:133:31:5710:3616:13
11:57
#26157
21M
21.00 mi14:52:483:49:3210:5617:35
17:35
#26569
35K
21.75 mi15:01:273:58:1110:588:39
11:34
#26553
23M
23.00 mi15:16:014:12:4511:0014:34
11:39
#26512
24M
24.00 mi15:31:374:28:2111:1115:36
15:36
#26786
40K
24.85 mi15:44:434:41:2711:2013:06
15:20
#26951
25.2M
25.20 mi15:49:024:45:4611:214:19
12:32
#26933
FINISH
26.22 mi15:58:424:55:2611:179:40
9:30
#26835
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi234159381938124473(Top 84%)9907(Top 79%)9907(Top 570%)
10K6.21 mi3.10 mi23962-5479638-2579638-25724407(Top 84%)9872(Top 78%)9872(Top 568%)
15K9.32 mi3.11 mi24159-1979734-969734-9624473(Top 84%)9907(Top 79%)9907(Top 570%)
20K12.43 mi3.11 mi24173-149740-69740-624210(Top 83%)9787(Top 78%)9787(Top 563%)
HALF13.11 mi0.68 mi24191-189751-119751-1124635(Top 85%)10024(Top 80%)10024(Top 577%)
25K15.53 mi2.42 mi25519-132810465-71410465-71428370(Top 98%)12179(Top 97%)12179(Top 701%)
30K18.64 mi3.11 mi26119-60010839-37410839-37427509(Top 95%)11735(Top 93%)11735(Top 676%)
20M20.00 mi1.36 mi26157-3810874-3510874-3526319(Top 91%)11146(Top 89%)11146(Top 642%)
21M21.00 mi1.00 mi26569-41211119-24511119-24528890(Top 100%)12517(Top 100%)12517(Top 721%)
35K21.75 mi0.75 mi26553+1611113+611113+626167(Top 90%)11119(Top 88%)11119(Top 640%)
23M23.00 mi1.25 mi26512+4111096+1711096+1725644(Top 88%)10892(Top 87%)10892(Top 627%)
24M24.00 mi1.00 mi26786-27411261-16511261-16528830(Top 99%)12508(Top 99%)12508(Top 720%)
40K24.85 mi0.85 mi26951-16511353-9211353-9228590(Top 99%)12408(Top 99%)12408(Top 714%)
25.2M25.20 mi0.35 mi26933+1811347+611347+625392(Top 87%)10829(Top 86%)10829(Top 623%)
FINISH26.22 mi1.02 mi26835+9811308+3911308+3922332(Top 77%)9255(Top 74%)9255(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
Γ—21
+97ft-345ft

Overall

24473

Females

9907

F40-44

9907

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24407

Females

9872

F40-44

9872

10K→15K

6.2 - 9.3 mi

Top 84%
Γ—3
+67ft-78ft

Overall

24473

Females

9907

F40-44

9907

15K→20K

9.3 - 12.4 mi

Top 83%
Γ—5
+106ft-86ft

Overall

24210

Females

9787

F40-44

9787

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24635

Females

10024

F40-44

10024

HALF→25K

13.1 - 15.5 mi

Top 98%
Γ—4
+66ft-88ft

Overall

28370

Females

12179

F40-44

12179

25K→30K

15.5 - 18.6 mi

Top 95%
Γ—9
+181ft-148ft

Overall

27509

Females

11735

F40-44

11735

30K→20M

18.6 - 20.0 mi

Top 91%
Γ—5
+64ft-50ft

Overall

26319

Females

11146

F40-44

11146

20M→21M

20.0 - 21.0 mi

Top 100%
Γ—8
+106ft-24ft

Overall

28890

Females

12517

F40-44

12517

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26167

Females

11119

F40-44

11119

35K→23M

21.8 - 23.0 mi

Top 88%
Γ—5
+23ft-63ft

Overall

25644

Females

10892

F40-44

10892

23M→24M

23.0 - 24.0 mi

Top 99%
Γ—6
+12ft-82ft

Overall

28830

Females

12508

F40-44

12508

24M→40K

24.0 - 24.9 mi

Top 99%
Γ—1
+6ft-20ft

Overall

28590

Females

12408

F40-44

12408

40K→25.2M

24.9 - 25.2 mi

Top 87%
Γ—1
+13ft-16ft

Overall

25392

Females

10829

F40-44

10829

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
Γ—2
+22ft-21ft

Overall

22332

Females

9255

F40-44

9255

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
556
Passed By
1659
Net Change
-3420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23415
5K β†’ 10K49200-547#23415#23962
10K β†’ 15K85200-197#23962#24159
15K β†’ 20K114128-14#24159#24173
20K β†’ HALF2240-18#24173#24191
HALF β†’ 25K2200-1328#24191#25519
25K β†’ 30K22200-600#25519#26119
30K β†’ 20M4583-38#26119#26157
20M β†’ 21M0200-412#26157#26569
21M β†’ 35K3519+16#26569#26553
35K β†’ 23M5918+41#26553#26512
23M β†’ 24M1200-274#26512#26786
24M β†’ 40K4169-165#26786#26951
40K β†’ 25.2M191+18#26951#26933
25.2M β†’ FINISH991+98#26933#26835
TOTALS5561659-3420
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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