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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Bridget Chamberlin

Bib: 16761 β€’F β€’Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 30%
Age Group (F18-39)
#0 / 5716
Top 49%
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
23:09
3.11 mi
Rank: #12391
Start β†’ 5K
23:09 | 7:28/mi
10K
46:12
6.21 mi
Rank: #12283 (+108)
5K β†’ 10K
23:03 | 7:26/mi
15K
1:09:36
9.32 mi
Rank: #12545 (-262)
10K β†’ 15K
23:24 | 7:32/mi
20K
1:33:18
12.43 mi
Rank: #12659 (-114)
15K β†’ 20K
23:42 | 7:38/mi
HALF
1:38:27
13.11 mi
Rank: #12698 (-39)
20K β†’ HALF
5:09 | 7:34/mi
25K
1:56:59
15.53 mi
Rank: #12655 (+43)
HALF β†’ 25K
18:32 | 7:39/mi
30K
2:21:27
18.64 mi
Rank: #12615 (+40)
25K β†’ 30K
24:28 | 7:53/mi
20M
2:32:26
20.00 mi
Rank: #12650 (-35)
30K β†’ 20M
10:59 | 8:06/mi
21M
2:40:58
21.00 mi
Rank: #12682 (-32)
20M β†’ 21M
8:32 | 8:32/mi
35K
2:47:02
21.75 mi
Rank: #12768 (-86)
21M β†’ 35K
6:04 | 8:07/mi
23M
2:57:33
23.00 mi
Rank: #12895 (-127)
35K β†’ 23M
10:31 | 8:25/mi
24M
3:05:49
24.00 mi
Rank: #13010 (-115)
23M β†’ 24M
8:16 | 8:16/mi
40K
3:12:48
24.85 mi
Rank: #13003 (+7)
24M β†’ 40K
6:59 | 8:11/mi
25.2M
3:15:49
25.20 mi
Rank: #12983 (+20)
40K β†’ 25.2M
3:01 | 8:45/mi
FINISH
3:23:26
26.22 mi
Rank: #12892 (+91)
25.2M β†’ FINISH
7:37 | 7:29/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
Time1:38:27
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:44:59
Pace8:01 /mi
πŸ“ŠPositive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:3823:097:2823:09
7:28
-
10K
6.21 mi11:27:4146:127:2723:03
7:26
-0:02
15K
9.32 mi11:51:051:09:367:2923:24
7:32
+0:06
20K
12.43 mi12:14:471:33:187:3123:42
7:38
+0:06
HALF
13.11 mi12:19:561:38:277:315:09
7:34
-0:04
25K
15.53 mi12:38:281:56:597:3218:32
7:39
+0:05
30K
18.64 mi13:02:562:21:277:3624:28
7:53
+0:14
20M
20.00 mi13:13:552:32:267:3810:59
8:06
+0:13
21M
21.00 mi13:22:272:40:587:408:32
8:32
+0:26
35K
21.75 mi13:28:312:47:027:416:04
8:07
-0:25
23M
23.00 mi13:39:022:57:337:4410:31
8:25
+0:18
24M
24.00 mi13:47:183:05:497:458:16
8:16
-0:09
40K
24.85 mi13:54:173:12:487:466:59
8:11
-0:05
25.2M
25.20 mi13:57:183:15:497:473:01
8:45
+0:34
FINISH
26.22 mi14:04:553:23:267:467:37
7:29
-1:16

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

7:26 /mi

Average Pace

7:46 /mi

Slowest Pace

8:45 /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

2:46:07

82% of race

Time at Steady Pace

37:19

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:04:3823:097:2823:09
7:28
#12391
10K
6.21 mi11:27:4146:127:2723:03
7:26
#12283
15K
9.32 mi11:51:051:09:367:2923:24
7:32
#12545
20K
12.43 mi12:14:471:33:187:3123:42
7:38
#12659
HALF
13.11 mi12:19:561:38:277:315:09
7:34
#12698
25K
15.53 mi12:38:281:56:597:3218:32
7:39
#12655
30K
18.64 mi13:02:562:21:277:3624:28
7:53
#12615
20M
20.00 mi13:13:552:32:267:3810:59
8:06
#12650
21M
21.00 mi13:22:272:40:587:408:32
8:32
#12682
35K
21.75 mi13:28:312:47:027:416:04
8:07
#12768
23M
23.00 mi13:39:022:57:337:4410:31
8:25
#12895
24M
24.00 mi13:47:183:05:497:458:16
8:16
#13010
40K
24.85 mi13:54:173:12:487:466:59
8:11
#13003
25.2M
25.20 mi13:57:183:15:497:473:01
8:45
#12983
FINISH
26.22 mi14:04:553:23:267:467:37
7:29
#12892
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 mi123913143314313108(Top 45%)3644(Top 29%)3644(Top 64%)
10K6.21 mi3.10 mi12283+1083103+403103+4012277(Top 42%)3128(Top 25%)3128(Top 55%)
15K9.32 mi3.11 mi12545-2623269-1663269-16613108(Top 45%)3644(Top 29%)3644(Top 64%)
20K12.43 mi3.11 mi12659-1143368-993368-9913099(Top 45%)3717(Top 30%)3717(Top 65%)
HALF13.11 mi0.68 mi12698-393389-213389-2113505(Top 47%)3868(Top 31%)3868(Top 68%)
25K15.53 mi2.42 mi12655+433392-33392-312594(Top 43%)3489(Top 28%)3489(Top 61%)
30K18.64 mi3.11 mi12615+403428-363428-3612552(Top 43%)3604(Top 29%)3604(Top 63%)
20M20.00 mi1.36 mi12650-353489-613489-6113419(Top 46%)4169(Top 33%)4169(Top 73%)
21M21.00 mi1.00 mi12682-323529-403529-4013357(Top 46%)4237(Top 34%)4237(Top 74%)
35K21.75 mi0.75 mi12768-863588-593588-5915222(Top 52%)5295(Top 42%)5295(Top 93%)
23M23.00 mi1.25 mi12895-1273670-823670-8215123(Top 52%)5322(Top 42%)5322(Top 93%)
24M24.00 mi1.00 mi13010-1153756-863756-8615482(Top 53%)5590(Top 44%)5590(Top 98%)
40K24.85 mi0.85 mi13003+73777-213777-2113596(Top 47%)4657(Top 37%)4657(Top 81%)
25.2M25.20 mi0.35 mi12983+203774+33774+313250(Top 46%)4482(Top 36%)4482(Top 78%)
FINISH26.22 mi1.02 mi12892+913763+113763+1111243(Top 39%)3478(Top 28%)3478(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
Γ—21
+97ft-345ft

Overall

13108

Females

3644

F18-39

3644

5K→10K

3.1 - 6.2 mi

Top 42%
Γ—5
+79ft-138ft

Overall

12277

Females

3128

F18-39

3128

10K→15K

6.2 - 9.3 mi

Top 45%
Γ—3
+67ft-78ft

Overall

13108

Females

3644

F18-39

3644

15K→20K

9.3 - 12.4 mi

Top 45%
Γ—5
+106ft-86ft

Overall

13099

Females

3717

F18-39

3717

20K→HALF

12.4 - 13.1 mi

Top 47%
Γ—2
+19ft-37ft

Overall

13505

Females

3868

F18-39

3868

HALF→25K

13.1 - 15.5 mi

Top 43%
Γ—4
+66ft-88ft

Overall

12594

Females

3489

F18-39

3489

25K→30K

15.5 - 18.6 mi

Top 43%
Γ—9
+181ft-148ft

Overall

12552

Females

3604

F18-39

3604

30K→20M

18.6 - 20.0 mi

Top 46%
Γ—5
+64ft-50ft

Overall

13419

Females

4169

F18-39

4169

20M→21M

20.0 - 21.0 mi

Top 46%
Γ—8
+106ft-24ft

Overall

13357

Females

4237

F18-39

4237

21M→35K

21.0 - 21.8 mi

Top 52%
Γ—7
+17ft-86ft

Overall

15222

Females

5295

F18-39

5295

35K→23M

21.8 - 23.0 mi

Top 52%
Γ—5
+23ft-63ft

Overall

15123

Females

5322

F18-39

5322

23M→24M

23.0 - 24.0 mi

Top 53%
Γ—6
+12ft-82ft

Overall

15482

Females

5590

F18-39

5590

24M→40K

24.0 - 24.9 mi

Top 47%
Γ—1
+6ft-20ft

Overall

13596

Females

4657

F18-39

4657

40K→25.2M

24.9 - 25.2 mi

Top 46%
Γ—1
+13ft-16ft

Overall

13250

Females

4482

F18-39

4482

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
Γ—2
+22ft-21ft

Overall

11243

Females

3478

F18-39

3478

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1424*
Passed By
1719
Net Change
-501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12391
5K β†’ 10K308*200+108#12391#12283
10K β†’ 15K117200-262#12283#12545
15K β†’ 20K113200-114#12545#12659
20K β†’ HALF1756-39#12659#12698
HALF β†’ 25K145102+43#12698#12655
25K β†’ 30K207*167+40#12655#12615
30K β†’ 20M82117-35#12615#12650
20M β†’ 21M6597-32#12650#12682
21M β†’ 35K29115-86#12682#12768
35K β†’ 23M68195-127#12768#12895
23M β†’ 24M40155-115#12895#13010
24M β†’ 40K8174+7#13010#13003
40K β†’ 25.2M3414+20#13003#12983
25.2M β†’ FINISH11827+91#12983#12892
TOTALS1424*1719-501

* 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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