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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rebecca Machlus

Bib: 18293 •F •Age: N/A

CT

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Masters (Masters Women)
#0 / 6862
Top 26%
Age Group (F45-49)
#0 / 1786
Top 30%
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
25:27
3.11 mi
Rank: #18176
Start → 5K
25:27 | 8:12/mi
10K
50:45
6.21 mi
Rank: #18212 (-36)
5K → 10K
25:18 | 8:09/mi
15K
1:16:13
9.32 mi
Rank: #18254 (-42)
10K → 15K
25:28 | 8:12/mi
20K
1:41:46
12.43 mi
Rank: #18103 (+151)
15K → 20K
25:33 | 8:14/mi
HALF
1:47:21
13.11 mi
Rank: #18101 (+2)
20K → HALF
5:35 | 8:12/mi
25K
2:07:04
15.53 mi
Rank: #17817 (+284)
HALF → 25K
19:43 | 8:08/mi
30K
2:32:40
18.64 mi
Rank: #17318 (+499)
25K → 30K
25:36 | 8:15/mi
20M
2:43:44
20.00 mi
Rank: #17055 (+263)
30K → 20M
11:04 | 8:09/mi
21M
2:52:01
21.00 mi
Rank: #16750 (+305)
20M → 21M
8:17 | 8:17/mi
35K
2:57:46
21.75 mi
Rank: #16560 (+190)
21M → 35K
5:45 | 7:42/mi
23M
3:07:05
23.00 mi
Rank: #16082 (+478)
35K → 23M
9:19 | 7:27/mi
24M
3:14:31
24.00 mi
Rank: #15818 (+264)
23M → 24M
7:26 | 7:26/mi
40K
3:21:08
24.85 mi
Rank: #15618 (+200)
24M → 40K
6:37 | 7:45/mi
25.2M
3:23:56
25.20 mi
Rank: #15521 (+97)
40K → 25.2M
2:48 | 8:08/mi
FINISH
3:31:13
26.22 mi
Rank: #15289 (+232)
25.2M → FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:47:21
Pace8:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:52
Pace7:56 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0325:278:1225:27
8:12
-
10K
6.21 mi11:33:2150:458:1125:18
8:09
-0:03
15K
9.32 mi11:58:491:16:138:1125:28
8:12
+0:03
20K
12.43 mi12:24:221:41:468:1225:33
8:14
+0:02
HALF
13.11 mi12:29:571:47:218:125:35
8:12
-0:02
25K
15.53 mi12:49:402:07:048:1119:43
8:08
-0:04
30K
18.64 mi13:15:162:32:408:1225:36
8:15
+0:07
20M
20.00 mi13:26:202:43:448:1211:04
8:09
-0:06
21M
21.00 mi13:34:372:52:018:128:17
8:17
+0:08
35K
21.75 mi13:40:222:57:468:115:45
7:42
-0:35
23M
23.00 mi13:49:413:07:058:099:19
7:27
-0:15
24M
24.00 mi13:57:073:14:318:077:26
7:26
-0:01
40K
24.85 mi14:03:443:21:088:066:37
7:45
+0:19
25.2M
25.20 mi14:06:323:23:568:062:48
8:08
+0:23
FINISH
26.22 mi14:13:493:31:138:047:17
7:09
-0:59

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

7:09 /mi

Average Pace

8:04 /mi

Slowest Pace

8:17 /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

36:24

17% of race

Time at Steady Pace

2:54:49

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:08:0325:278:1225:27
8:12
#18176
10K
6.21 mi11:33:2150:458:1125:18
8:09
#18212
15K
9.32 mi11:58:491:16:138:1125:28
8:12
#18254
20K
12.43 mi12:24:221:41:468:1225:33
8:14
#18103
HALF
13.11 mi12:29:571:47:218:125:35
8:12
#18101
25K
15.53 mi12:49:402:07:048:1119:43
8:08
#17817
30K
18.64 mi13:15:162:32:408:1225:36
8:15
#17318
20M
20.00 mi13:26:202:43:448:1211:04
8:09
#17055
21M
21.00 mi13:34:372:52:018:128:17
8:17
#16750
35K
21.75 mi13:40:222:57:468:115:45
7:42
#16560
23M
23.00 mi13:49:413:07:058:099:19
7:27
#16082
24M
24.00 mi13:57:073:14:318:077:26
7:26
#15818
40K
24.85 mi14:03:443:21:088:066:37
7:45
#15618
25.2M
25.20 mi14:06:323:23:568:062:48
8:08
#15521
FINISH
26.22 mi14:13:493:31:138:047:17
7:09
#15289
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 mi181766602660218321(Top 63%)6646(Top 53%)6646(Top 372%)
10K6.21 mi3.10 mi18212-366610-86610-818233(Top 63%)6595(Top 52%)6595(Top 369%)
15K9.32 mi3.11 mi18254-426628-186628-1818321(Top 63%)6646(Top 53%)6646(Top 372%)
20K12.43 mi3.11 mi18103+1516545+836545+8317631(Top 61%)6295(Top 50%)6295(Top 352%)
HALF13.11 mi0.68 mi18101+26543+26543+218341(Top 63%)6653(Top 53%)6653(Top 373%)
25K15.53 mi2.42 mi17817+2846394+1496394+14916345(Top 56%)5616(Top 45%)5616(Top 314%)
30K18.64 mi3.11 mi17318+4996141+2536141+25315202(Top 52%)5081(Top 40%)5081(Top 284%)
20M20.00 mi1.36 mi17055+2636009+1326009+13213903(Top 48%)4453(Top 35%)4453(Top 249%)
21M21.00 mi1.00 mi16750+3055860+1495860+14911787(Top 41%)3426(Top 27%)3426(Top 192%)
35K21.75 mi0.75 mi16560+1905757+1035757+10312303(Top 42%)3720(Top 30%)3720(Top 208%)
23M23.00 mi1.25 mi16082+4785531+2265531+2268509(Top 29%)1892(Top 15%)1892(Top 106%)
24M24.00 mi1.00 mi15818+2645388+1435388+1439660(Top 33%)2518(Top 20%)2518(Top 141%)
40K24.85 mi0.85 mi15618+2005293+955293+9510669(Top 37%)3109(Top 25%)3109(Top 174%)
25.2M25.20 mi0.35 mi15521+975248+455248+459236(Top 32%)2499(Top 20%)2499(Top 140%)
FINISH26.22 mi1.02 mi15289+2325122+1265122+1268776(Top 30%)2297(Top 18%)2297(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18321

Females

6646

F45-49

6646

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18233

Females

6595

F45-49

6595

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18321

Females

6646

F45-49

6646

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17631

Females

6295

F45-49

6295

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18341

Females

6653

F45-49

6653

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16345

Females

5616

F45-49

5616

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15202

Females

5081

F45-49

5081

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13903

Females

4453

F45-49

4453

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11787

Females

3426

F45-49

3426

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12303

Females

3720

F45-49

3720

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8509

Females

1892

F45-49

1892

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9660

Females

2518

F45-49

2518

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10669

Females

3109

F45-49

3109

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1
+13ft-16ft

Overall

9236

Females

2499

F45-49

2499

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8776

Females

2297

F45-49

2297

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3501*
Passed By
561
Net Change
+2887
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18176
5K → 10K200200-36#18176#18212
10K → 15K175200-42#18212#18254
15K → 20K240*89+151#18254#18103
20K → HALF3129+2#18103#18101
HALF → 25K295*11+284#18101#17817
25K → 30K511*12+499#17817#17318
30K → 20M268*5+263#17318#17055
20M → 21M308*3+305#17055#16750
21M → 35K1911+190#16750#16560
35K → 23M479*1+478#16560#16082
23M → 24M264*0+264#16082#15818
24M → 40K202*2+200#15818#15618
40K → 25.2M1003+97#15618#15521
25.2M → FINISH237*5+232#15521#15289
TOTALS3501*561+2887

* 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

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