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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jennifer Bachelder

Bib: 21529 •F •Age: N/A

NY

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
Top 49%
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
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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
25:51
3.11 mi
Rank: #19004
Start → 5K
25:51 | 8:20/mi
10K
52:11
6.21 mi
Rank: #19617 (-613)
5K → 10K
26:20 | 8:29/mi
15K
1:18:33
9.32 mi
Rank: #19739 (-122)
10K → 15K
26:22 | 8:30/mi
20K
1:45:05
12.43 mi
Rank: #19669 (+70)
15K → 20K
26:32 | 8:33/mi
HALF
1:50:46
13.11 mi
Rank: #19647 (+22)
20K → HALF
5:41 | 8:21/mi
25K
2:11:25
15.53 mi
Rank: #19500 (+147)
HALF → 25K
20:39 | 8:31/mi
30K
2:38:24
18.64 mi
Rank: #19181 (+319)
25K → 30K
26:59 | 8:42/mi
20M
2:50:21
20.00 mi
Rank: #19100 (+81)
30K → 20M
11:57 | 8:48/mi
21M
2:59:42
21.00 mi
Rank: #19016 (+84)
20M → 21M
9:21 | 9:21/mi
35K
3:05:58
21.75 mi
Rank: #18924 (+92)
21M → 35K
6:16 | 8:23/mi
23M
3:17:06
23.00 mi
Rank: #18854 (+70)
35K → 23M
11:08 | 8:54/mi
24M
3:25:57
24.00 mi
Rank: #18839 (+15)
23M → 24M
8:51 | 8:51/mi
40K
3:33:49
24.85 mi
Rank: #18852 (-13)
24M → 40K
7:52 | 9:13/mi
25.2M
3:37:22
25.20 mi
Rank: #18901 (-49)
40K → 25.2M
3:33 | 10:18/mi
FINISH
3:46:45
26.22 mi
Rank: #19017 (-116)
25.2M → FINISH
9:23 | 9:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:46
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:55:59
Pace8:51 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0225:518:2025:51
8:20
-
10K
6.21 mi11:53:2252:118:2426:20
8:29
+0:09
15K
9.32 mi12:19:441:18:338:2626:22
8:30
+0:01
20K
12.43 mi12:46:161:45:058:2826:32
8:33
+0:03
HALF
13.11 mi12:51:571:50:468:275:41
8:21
-0:12
25K
15.53 mi13:12:362:11:258:2820:39
8:31
+0:10
30K
18.64 mi13:39:352:38:248:3026:59
8:42
+0:11
20M
20.00 mi13:51:322:50:218:3211:57
8:48
+0:06
21M
21.00 mi14:00:532:59:428:349:21
9:21
+0:33
35K
21.75 mi14:07:093:05:588:346:16
8:23
-0:58
23M
23.00 mi14:18:173:17:068:3511:08
8:54
+0:31
24M
24.00 mi14:27:083:25:578:358:51
8:51
-0:03
40K
24.85 mi14:35:003:33:498:377:52
9:13
+0:22
25.2M
25.20 mi14:38:333:37:228:383:33
10:18
+1:05
FINISH
26.22 mi14:47:563:46:458:409:23
9:13
-1:05

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

8:20 /mi

Average Pace

8:39 /mi

Slowest Pace

10:18 /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

37:48

17% of race

Time at Steady Pace

2:38:48

70% of race

Time at Slower Pace

30:09

13% of race

Average Pace: 8:39 /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 mi11:27:0225:518:2025:51
8:20
#19004
10K
6.21 mi11:53:2252:118:2426:20
8:29
#19617
15K
9.32 mi12:19:441:18:338:2626:22
8:30
#19739
20K
12.43 mi12:46:161:45:058:2826:32
8:33
#19669
HALF
13.11 mi12:51:571:50:468:275:41
8:21
#19647
25K
15.53 mi13:12:362:11:258:2820:39
8:31
#19500
30K
18.64 mi13:39:352:38:248:3026:59
8:42
#19181
20M
20.00 mi13:51:322:50:218:3211:57
8:48
#19100
21M
21.00 mi14:00:532:59:428:349:21
9:21
#19016
35K
21.75 mi14:07:093:05:588:346:16
8:23
#18924
23M
23.00 mi14:18:173:17:068:3511:08
8:54
#18854
24M
24.00 mi14:27:083:25:578:358:51
8:51
#18839
40K
24.85 mi14:35:003:33:498:377:52
9:13
#18852
25.2M
25.20 mi14:38:333:37:228:383:33
10:18
#18901
FINISH
26.22 mi14:47:563:46:458:409:23
9:13
#19017
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190047092709220080(Top 69%)7638(Top 61%)7638(Top 428%)
10K6.21 mi3.10 mi19617-6137413-3217413-32120229(Top 70%)7718(Top 61%)7718(Top 432%)
15K9.32 mi3.11 mi19739-1227471-587471-5820080(Top 69%)7638(Top 61%)7638(Top 428%)
20K12.43 mi3.11 mi19669+707440+317440+3119550(Top 67%)7389(Top 59%)7389(Top 414%)
HALF13.11 mi0.68 mi19647+227424+167424+1619310(Top 67%)7214(Top 57%)7214(Top 404%)
25K15.53 mi2.42 mi19500+1477351+737351+7318687(Top 64%)6954(Top 55%)6954(Top 389%)
30K18.64 mi3.11 mi19181+3197212+1397212+13917944(Top 62%)6644(Top 53%)6644(Top 372%)
20M20.00 mi1.36 mi19100+817181+317181+3117986(Top 62%)6750(Top 54%)6750(Top 378%)
21M21.00 mi1.00 mi19016+847146+357146+3517882(Top 62%)6732(Top 54%)6732(Top 377%)
35K21.75 mi0.75 mi18924+927114+327114+3216967(Top 58%)6321(Top 50%)6321(Top 354%)
23M23.00 mi1.25 mi18854+707092+227092+2218007(Top 62%)6968(Top 55%)6968(Top 390%)
24M24.00 mi1.00 mi18839+157100-87100-818796(Top 65%)7411(Top 59%)7411(Top 415%)
40K24.85 mi0.85 mi18852-137123-237123-2319312(Top 67%)7729(Top 61%)7729(Top 433%)
25.2M25.20 mi0.35 mi18901-497161-387161-3820432(Top 70%)8283(Top 66%)8283(Top 464%)
FINISH26.22 mi1.02 mi19017-1167239-787239-7821340(Top 74%)8740(Top 69%)8740(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20080

Females

7638

F45-49

7638

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20229

Females

7718

F45-49

7718

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20080

Females

7638

F45-49

7638

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19550

Females

7389

F45-49

7389

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19310

Females

7214

F45-49

7214

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18687

Females

6954

F45-49

6954

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17944

Females

6644

F45-49

6644

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17986

Females

6750

F45-49

6750

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17882

Females

6732

F45-49

6732

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16967

Females

6321

F45-49

6321

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18007

Females

6968

F45-49

6968

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18796

Females

7411

F45-49

7411

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19312

Females

7729

F45-49

7729

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20432

Females

8283

F45-49

8283

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21340

Females

8740

F45-49

8740

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1651*
Passed By
1119
Net Change
-13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19004
5K → 10K86200-613#19004#19617
10K → 15K124200-122#19617#19739
15K → 20K194124+70#19739#19669
20K → HALF3715+22#19669#19647
HALF → 25K19245+147#19647#19500
25K → 30K369*50+319#19500#19181
30K → 20M13958+81#19181#19100
20M → 21M12541+84#19100#19016
21M → 35K10210+92#19016#18924
35K → 23M11444+70#18924#18854
23M → 24M6752+15#18854#18839
24M → 40K5770-13#18839#18852
40K → 25.2M958-49#18852#18901
25.2M → FINISH36152-116#18901#19017
TOTALS1651*1119-13

* 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

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OTQ

Olympic Trials Qualifying analysis available

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