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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Bethany Heidemann

Bib: 20181 •F •Age: N/A

IA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Masters (Masters Women)
#0 / 6862
Top 22%
Age Group (F40-44)
#0 / 1737
Top 45%
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
24:02
3.11 mi
Rank: #14887
Start → 5K
24:02 | 7:45/mi
10K
47:36
6.21 mi
Rank: #14272 (+615)
5K → 10K
23:34 | 7:36/mi
15K
1:11:20
9.32 mi
Rank: #14133 (+139)
10K → 15K
23:44 | 7:39/mi
20K
1:35:20
12.43 mi
Rank: #14052 (+81)
15K → 20K
24:00 | 7:44/mi
HALF
1:40:35
13.11 mi
Rank: #14074 (-22)
20K → HALF
5:15 | 7:43/mi
25K
1:59:49
15.53 mi
Rank: #14178 (-104)
HALF → 25K
19:14 | 7:56/mi
30K
2:25:24
18.64 mi
Rank: #14360 (-182)
25K → 30K
25:35 | 8:15/mi
20M
2:36:41
20.00 mi
Rank: #14392 (-32)
30K → 20M
11:17 | 8:19/mi
21M
2:45:29
21.00 mi
Rank: #14383 (+9)
20M → 21M
8:48 | 8:48/mi
35K
2:51:41
21.75 mi
Rank: #14461 (-78)
21M → 35K
6:12 | 8:18/mi
23M
3:02:38
23.00 mi
Rank: #14651 (-190)
35K → 23M
10:57 | 8:45/mi
24M
3:10:55
24.00 mi
Rank: #14696 (-45)
23M → 24M
8:17 | 8:17/mi
40K
3:18:08
24.85 mi
Rank: #14726 (-30)
24M → 40K
7:13 | 8:27/mi
25.2M
3:21:08
25.20 mi
Rank: #14689 (+37)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:28:56
26.22 mi
Rank: #14612 (+77)
25.2M → FINISH
7:48 | 7:40/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
Time1:40:35
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:21
Pace8:16 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:1224:027:4524:02
7:45
-
10K
6.21 mi11:32:4647:367:4023:34
7:36
-0:09
15K
9.32 mi11:56:301:11:207:4023:44
7:39
+0:03
20K
12.43 mi12:20:301:35:207:4124:00
7:44
+0:05
HALF
13.11 mi12:25:451:40:357:415:15
7:43
-0:01
25K
15.53 mi12:44:591:59:497:4319:14
7:56
+0:13
30K
18.64 mi13:10:342:25:247:4825:35
8:15
+0:19
20M
20.00 mi13:21:512:36:417:5111:17
8:19
+0:04
21M
21.00 mi13:30:392:45:297:538:48
8:48
+0:29
35K
21.75 mi13:36:512:51:417:546:12
8:18
-0:30
23M
23.00 mi13:47:483:02:387:5710:57
8:45
+0:27
24M
24.00 mi13:56:053:10:557:588:17
8:17
-0:28
40K
24.85 mi14:03:183:18:087:597:13
8:27
+0:10
25.2M
25.20 mi14:06:183:21:087:593:00
8:42
+0:15
FINISH
26.22 mi14:14:063:28:567:597:48
7:40
-1:02

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

7:36 /mi

Average Pace

7:58 /mi

Slowest Pace

8:48 /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

2:58:58

86% of race

Time at Steady Pace

29:58

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:09:1224:027:4524:02
7:45
#14887
10K
6.21 mi11:32:4647:367:4023:34
7:36
#14272
15K
9.32 mi11:56:301:11:207:4023:44
7:39
#14133
20K
12.43 mi12:20:301:35:207:4124:00
7:44
#14052
HALF
13.11 mi12:25:451:40:357:415:15
7:43
#14074
25K
15.53 mi12:44:591:59:497:4319:14
7:56
#14178
30K
18.64 mi13:10:342:25:247:4825:35
8:15
#14360
20M
20.00 mi13:21:512:36:417:5111:17
8:19
#14392
21M
21.00 mi13:30:392:45:297:538:48
8:48
#14383
35K
21.75 mi13:36:512:51:417:546:12
8:18
#14461
23M
23.00 mi13:47:483:02:387:5710:57
8:45
#14651
24M
24.00 mi13:56:053:10:557:588:17
8:17
#14696
40K
24.85 mi14:03:183:18:087:597:13
8:27
#14726
25.2M
25.20 mi14:06:183:21:087:593:00
8:42
#14689
FINISH
26.22 mi14:14:063:28:567:597:48
7:40
#14612
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 mi148874612461214024(Top 48%)4150(Top 33%)4150(Top 239%)
10K6.21 mi3.10 mi14272+6154257+3554257+35513754(Top 47%)3974(Top 32%)3974(Top 229%)
15K9.32 mi3.11 mi14133+1394209+484209+4814024(Top 48%)4150(Top 33%)4150(Top 239%)
20K12.43 mi3.11 mi14052+814175+344175+3413936(Top 48%)4187(Top 33%)4187(Top 241%)
HALF13.11 mi0.68 mi14074-224191-164191-1614809(Top 51%)4611(Top 37%)4611(Top 265%)
25K15.53 mi2.42 mi14178-1044269-784269-7814864(Top 51%)4797(Top 38%)4797(Top 276%)
30K18.64 mi3.11 mi14360-1824423-1544423-15415159(Top 52%)5057(Top 40%)5057(Top 291%)
20M20.00 mi1.36 mi14392-324458-354458-3514988(Top 52%)5048(Top 40%)5048(Top 291%)
21M21.00 mi1.00 mi14383+94466-84466-815001(Top 52%)5138(Top 41%)5138(Top 296%)
35K21.75 mi0.75 mi14461-784538-724538-7216358(Top 56%)5943(Top 47%)5943(Top 342%)
23M23.00 mi1.25 mi14651-1904690-1524690-15217192(Top 59%)6524(Top 52%)6524(Top 376%)
24M24.00 mi1.00 mi14696-454743-534743-5315595(Top 54%)5664(Top 45%)5664(Top 326%)
40K24.85 mi0.85 mi14726-304774-314774-3115305(Top 53%)5594(Top 44%)5594(Top 322%)
25.2M25.20 mi0.35 mi14689+374760+144760+1412963(Top 45%)4351(Top 35%)4351(Top 250%)
FINISH26.22 mi1.02 mi14612+774737+234737+2312670(Top 44%)4222(Top 34%)4222(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

14024

Females

4150

F40-44

4150

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13754

Females

3974

F40-44

3974

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

14024

Females

4150

F40-44

4150

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13936

Females

4187

F40-44

4187

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14809

Females

4611

F40-44

4611

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14864

Females

4797

F40-44

4797

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15159

Females

5057

F40-44

5057

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

14988

Females

5048

F40-44

5048

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15001

Females

5138

F40-44

5138

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16358

Females

5943

F40-44

5943

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17192

Females

6524

F40-44

6524

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15595

Females

5664

F40-44

5664

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15305

Females

5594

F40-44

5594

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

12963

Females

4351

F40-44

4351

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12670

Females

4222

F40-44

4222

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2001*
Passed By
1554
Net Change
+275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14887
5K → 10K716*101+615#14887#14272
10K → 15K263*124+139#14272#14133
15K → 20K200119+81#14133#14052
20K → HALF2850-22#14052#14074
HALF → 25K103200-104#14074#14178
25K → 30K132200-182#14178#14360
30K → 20M84116-32#14360#14392
20M → 21M10899+9#14392#14383
21M → 35K43121-78#14383#14461
35K → 23M61200-190#14461#14651
23M → 24M65110-45#14651#14696
24M → 40K4474-30#14696#14726
40K → 25.2M5013+37#14726#14689
25.2M → FINISH10427+77#14689#14612
TOTALS2001*1554+275

* 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

Activity Data

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