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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Susan Johnson

Bib: 23862 •F •Age: N/A

TN

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 (F50-54)
#0 / 1233
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
27:21
3.11 mi
Rank: #21704
Start → 5K
27:21 | 8:49/mi
10K
54:49
6.21 mi
Rank: #21927 (-223)
5K → 10K
27:28 | 8:51/mi
15K
1:22:57
9.32 mi
Rank: #22256 (-329)
10K → 15K
28:08 | 9:04/mi
20K
1:50:26
12.43 mi
Rank: #21966 (+290)
15K → 20K
27:29 | 8:51/mi
HALF
1:56:28
13.11 mi
Rank: #21970 (-4)
20K → HALF
6:02 | 8:52/mi
25K
2:17:57
15.53 mi
Rank: #21695 (+275)
HALF → 25K
21:29 | 8:52/mi
30K
2:46:02
18.64 mi
Rank: #21341 (+354)
25K → 30K
28:05 | 9:03/mi
20M
2:58:03
20.00 mi
Rank: #21089 (+252)
30K → 20M
12:01 | 8:51/mi
21M
3:07:12
21.00 mi
Rank: #20867 (+222)
20M → 21M
9:09 | 9:09/mi
35K
3:13:25
21.75 mi
Rank: #20718 (+149)
21M → 35K
6:13 | 8:19/mi
23M
3:24:03
23.00 mi
Rank: #20473 (+245)
35K → 23M
10:38 | 8:30/mi
24M
3:32:25
24.00 mi
Rank: #20307 (+166)
23M → 24M
8:22 | 8:22/mi
40K
3:39:32
24.85 mi
Rank: #20126 (+181)
24M → 40K
7:07 | 8:20/mi
25.2M
3:42:34
25.20 mi
Rank: #20042 (+84)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:50:32
26.22 mi
Rank: #19834 (+208)
25.2M → FINISH
7:58 | 7:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:56:28
Pace8:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:04
Pace8:43 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:5727:218:4927:21
8:49
-
10K
6.21 mi11:58:2554:498:5027:28
8:51
+0:02
15K
9.32 mi12:26:331:22:578:5428:08
9:04
+0:13
20K
12.43 mi12:54:021:50:268:5427:29
8:51
-0:13
HALF
13.11 mi13:00:041:56:288:546:02
8:52
+0:01
25K
15.53 mi13:21:332:17:578:5321:29
8:52
0:00
30K
18.64 mi13:49:382:46:028:5528:05
9:03
+0:11
20M
20.00 mi14:01:392:58:038:5512:01
8:51
-0:12
21M
21.00 mi14:10:483:07:128:559:09
9:09
+0:18
35K
21.75 mi14:17:013:13:258:546:13
8:19
-0:50
23M
23.00 mi14:27:393:24:038:5310:38
8:30
+0:11
24M
24.00 mi14:36:013:32:258:528:22
8:22
-0:08
40K
24.85 mi14:43:083:39:328:507:07
8:20
-0:02
25.2M
25.20 mi14:46:103:42:348:503:02
8:48
+0:28
FINISH
26.22 mi14:54:083:50:328:487:58
7:50
-0:58

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

7:50 /mi

Average Pace

8:48 /mi

Slowest Pace

9:09 /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

40:18

17% of race

Time at Steady Pace

3:10:14

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:30:5727:218:4927:21
8:49
#21704
10K
6.21 mi11:58:2554:498:5027:28
8:51
#21927
15K
9.32 mi12:26:331:22:578:5428:08
9:04
#22256
20K
12.43 mi12:54:021:50:268:5427:29
8:51
#21966
HALF
13.11 mi13:00:041:56:288:546:02
8:52
#21970
25K
15.53 mi13:21:332:17:578:5321:29
8:52
#21695
30K
18.64 mi13:49:382:46:028:5528:05
9:03
#21341
20M
20.00 mi14:01:392:58:038:5512:01
8:51
#21089
21M
21.00 mi14:10:483:07:128:559:09
9:09
#20867
35K
21.75 mi14:17:013:13:258:546:13
8:19
#20718
23M
23.00 mi14:27:393:24:038:5310:38
8:30
#20473
24M
24.00 mi14:36:013:32:258:528:22
8:22
#20307
40K
24.85 mi14:43:083:39:328:507:07
8:20
#20126
25.2M
25.20 mi14:46:103:42:348:503:02
8:48
#20042
FINISH
26.22 mi14:54:083:50:328:487:58
7:50
#19834
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi217048536853622946(Top 79%)9112(Top 72%)9112(Top 739%)
10K6.21 mi3.10 mi21927-2238630-948630-9422097(Top 76%)8699(Top 69%)8699(Top 706%)
15K9.32 mi3.11 mi22256-3298785-1558785-15522946(Top 79%)9112(Top 72%)9112(Top 739%)
20K12.43 mi3.11 mi21966+2908640+1458640+14521211(Top 73%)8252(Top 66%)8252(Top 669%)
HALF13.11 mi0.68 mi21970-48640864022066(Top 76%)8656(Top 69%)8656(Top 702%)
25K15.53 mi2.42 mi21695+2758506+1348506+13420512(Top 71%)7925(Top 63%)7925(Top 643%)
30K18.64 mi3.11 mi21341+3548342+1648342+16419773(Top 68%)7627(Top 61%)7627(Top 619%)
20M20.00 mi1.36 mi21089+2528237+1058237+10518231(Top 63%)6897(Top 55%)6897(Top 559%)
21M21.00 mi1.00 mi20867+2228135+1028135+10216954(Top 58%)6232(Top 50%)6232(Top 505%)
35K21.75 mi0.75 mi20718+1498064+718064+7116553(Top 57%)6077(Top 48%)6077(Top 493%)
23M23.00 mi1.25 mi20473+2457948+1167948+11615741(Top 54%)5703(Top 45%)5703(Top 463%)
24M24.00 mi1.00 mi20307+1667880+687880+6816163(Top 56%)6013(Top 48%)6013(Top 488%)
40K24.85 mi0.85 mi20126+1817813+677813+6714663(Top 51%)5260(Top 42%)5260(Top 427%)
25.2M25.20 mi0.35 mi20042+847777+367777+3613638(Top 47%)4733(Top 38%)4733(Top 384%)
FINISH26.22 mi1.02 mi19834+2087672+1057672+10513958(Top 48%)4911(Top 39%)4911(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22946

Females

9112

F50-54

9112

5K→10K

3.1 - 6.2 mi

Top 76%
×5
+79ft-138ft

Overall

22097

Females

8699

F50-54

8699

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22946

Females

9112

F50-54

9112

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21211

Females

8252

F50-54

8252

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22066

Females

8656

F50-54

8656

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20512

Females

7925

F50-54

7925

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19773

Females

7627

F50-54

7627

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18231

Females

6897

F50-54

6897

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16954

Females

6232

F50-54

6232

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16553

Females

6077

F50-54

6077

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15741

Females

5703

F50-54

5703

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16163

Females

6013

F50-54

6013

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14663

Females

5260

F50-54

5260

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13638

Females

4733

F50-54

4733

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13958

Females

4911

F50-54

4911

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2784*
Passed By
519
Net Change
+1870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21704
5K → 10K176200-223#21704#21927
10K → 15K67200-329#21927#22256
15K → 20K322*32+290#22256#21966
20K → HALF2832-4#21966#21970
HALF → 25K293*18+275#21970#21695
25K → 30K370*16+354#21695#21341
30K → 20M254*2+252#21341#21089
20M → 21M225*3+222#21089#20867
21M → 35K1512+149#20867#20718
35K → 23M247*2+245#20718#20473
23M → 24M1748+166#20473#20307
24M → 40K1832+181#20307#20126
40K → 25.2M840+84#20126#20042
25.2M → FINISH210*2+208#20042#19834
TOTALS2784*519+1870

* 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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