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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sophie Blackburn

Bib: 15879 •F •Age: N/A

WA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 21%
Age Group (F18-39)
#0 / 5716
Top 37%
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: #14870
Start → 5K
24:02 | 7:45/mi
10K
48:15
6.21 mi
Rank: #15195 (-325)
5K → 10K
24:13 | 7:48/mi
15K
1:11:57
9.32 mi
Rank: #14702 (+493)
10K → 15K
23:42 | 7:38/mi
20K
1:36:28
12.43 mi
Rank: #14844 (-142)
15K → 20K
24:31 | 7:54/mi
HALF
1:41:20
13.11 mi
Rank: #14583 (+261)
20K → HALF
4:52 | 7:09/mi
25K
1:59:28
15.53 mi
Rank: #13986 (+597)
HALF → 25K
18:08 | 7:29/mi
30K
2:22:51
18.64 mi
Rank: #13227 (+759)
25K → 30K
23:23 | 7:32/mi
20M
2:32:47
20.00 mi
Rank: #12785 (+442)
30K → 20M
9:56 | 7:19/mi
21M
2:40:26
21.00 mi
Rank: #12478 (+307)
20M → 21M
7:39 | 7:39/mi
35K
2:45:44
21.75 mi
Rank: #12293 (+185)
21M → 35K
5:18 | 7:06/mi
23M
2:54:46
23.00 mi
Rank: #11907 (+386)
35K → 23M
9:02 | 7:14/mi
24M
3:01:44
24.00 mi
Rank: #11614 (+293)
23M → 24M
6:58 | 6:58/mi
40K
3:07:31
24.85 mi
Rank: #11222 (+392)
24M → 40K
5:47 | 6:46/mi
25.2M
3:10:03
25.20 mi
Rank: #11090 (+132)
40K → 25.2M
2:32 | 7:21/mi
FINISH
3:16:49
26.22 mi
Rank: #10797 (+293)
25.2M → FINISH
6:46 | 6:39/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:29
Pace7:18 /mi
📊Negative Split: 5.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2524:027:4524:02
7:45
-
10K
6.21 mi11:20:3848:157:4624:13
7:48
+0:03
15K
9.32 mi11:44:201:11:577:4423:42
7:38
-0:10
20K
12.43 mi12:08:511:36:287:4624:31
7:54
+0:16
HALF
13.11 mi12:13:431:41:207:444:52
7:09
-0:45
25K
15.53 mi12:31:511:59:287:4218:08
7:29
+0:20
30K
18.64 mi12:55:142:22:517:4023:23
7:32
+0:03
20M
20.00 mi13:05:102:32:477:399:56
7:19
-0:13
21M
21.00 mi13:12:492:40:267:397:39
7:39
+0:20
35K
21.75 mi13:18:072:45:447:385:18
7:06
-0:33
23M
23.00 mi13:27:092:54:467:369:02
7:14
+0:08
24M
24.00 mi13:34:073:01:447:356:58
6:58
-0:16
40K
24.85 mi13:39:543:07:317:335:47
6:46
-0:12
25.2M
25.20 mi13:42:263:10:037:332:32
7:21
+0:35
FINISH
26.22 mi13:49:123:16:497:316:46
6:39
-0:42

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

6:39 /mi

Average Pace

7:31 /mi

Slowest Pace

7:54 /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

38:43

20% of race

Time at Steady Pace

2:13:35

68% of race

Time at Slower Pace

24:31

12% of race

Average Pace: 7:30 /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 mi10:56:2524:027:4524:02
7:45
#14870
10K
6.21 mi11:20:3848:157:4624:13
7:48
#15195
15K
9.32 mi11:44:201:11:577:4423:42
7:38
#14702
20K
12.43 mi12:08:511:36:287:4624:31
7:54
#14844
HALF
13.11 mi12:13:431:41:207:444:52
7:09
#14583
25K
15.53 mi12:31:511:59:287:4218:08
7:29
#13986
30K
18.64 mi12:55:142:22:517:4023:23
7:32
#13227
20M
20.00 mi13:05:102:32:477:399:56
7:19
#12785
21M
21.00 mi13:12:492:40:267:397:39
7:39
#12478
35K
21.75 mi13:18:072:45:447:385:18
7:06
#12293
23M
23.00 mi13:27:092:54:467:369:02
7:14
#11907
24M
24.00 mi13:34:073:01:447:356:58
6:58
#11614
40K
24.85 mi13:39:543:07:317:335:47
6:46
#11222
25.2M
25.20 mi13:42:263:10:037:332:32
7:21
#11090
FINISH
26.22 mi13:49:123:16:497:316:46
6:39
#10797
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 mi148704595459513927(Top 48%)4096(Top 33%)4096(Top 72%)
10K6.21 mi3.10 mi15195-3254835-2404835-24015594(Top 54%)5062(Top 40%)5062(Top 89%)
15K9.32 mi3.11 mi14702+4934552+2834552+28313927(Top 48%)4096(Top 33%)4096(Top 72%)
20K12.43 mi3.11 mi14844-1424649-974649-9715237(Top 53%)4932(Top 39%)4932(Top 86%)
HALF13.11 mi0.68 mi14583+2614474+1754474+1759874(Top 34%)1944(Top 15%)1944(Top 34%)
25K15.53 mi2.42 mi13986+5974147+3274147+32711246(Top 39%)2763(Top 22%)2763(Top 48%)
30K18.64 mi3.11 mi13227+7593773+3743773+3749883(Top 34%)2219(Top 18%)2219(Top 39%)
20M20.00 mi1.36 mi12785+4423563+2103563+2107788(Top 27%)1399(Top 11%)1399(Top 24%)
21M21.00 mi1.00 mi12478+3073413+1503413+1507560(Top 26%)1443(Top 11%)1443(Top 25%)
35K21.75 mi0.75 mi12293+1853306+1073306+1077801(Top 27%)1482(Top 12%)1482(Top 26%)
23M23.00 mi1.25 mi11907+3863115+1913115+1916939(Top 24%)1221(Top 10%)1221(Top 21%)
24M24.00 mi1.00 mi11614+2932980+1352980+1356315(Top 22%)1063(Top 8%)1063(Top 19%)
40K24.85 mi0.85 mi11222+3922799+1812799+1814067(Top 14%)491(Top 4%)491(Top 9%)
25.2M25.20 mi0.35 mi11090+1322740+592740+594460(Top 15%)654(Top 5%)654(Top 11%)
FINISH26.22 mi1.02 mi10797+2932612+1282612+1285099(Top 18%)840(Top 7%)840(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13927

Females

4096

F18-39

4096

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15594

Females

5062

F18-39

5062

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13927

Females

4096

F18-39

4096

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15237

Females

4932

F18-39

4932

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9874

Females

1944

F18-39

1944

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11246

Females

2763

F18-39

2763

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9883

Females

2219

F18-39

2219

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7788

Females

1399

F18-39

1399

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7560

Females

1443

F18-39

1443

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7801

Females

1482

F18-39

1482

35K→23M

21.8 - 23.0 mi

Top 24%
×5
+23ft-63ft

Overall

6939

Females

1221

F18-39

1221

23M→24M

23.0 - 24.0 mi

Top 22%
×6
+12ft-82ft

Overall

6315

Females

1063

F18-39

1063

24M→40K

24.0 - 24.9 mi

Top 14%
×1
+6ft-20ft

Overall

4067

Females

491

F18-39

491

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4460

Females

654

F18-39

654

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
×2
+22ft-21ft

Overall

5099

Females

840

F18-39

840

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4891*
Passed By
452
Net Change
+4073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14870
5K → 10K170200-325#14870#15195
10K → 15K536*43+493#15195#14702
15K → 20K129200-142#14702#14844
20K → HALF262*1+261#14844#14583
HALF → 25K597*0+597#14583#13986
25K → 30K762*3+759#13986#13227
30K → 20M442*0+442#13227#12785
20M → 21M311*4+307#12785#12478
21M → 35K1861+185#12478#12293
35K → 23M386*0+386#12293#11907
23M → 24M293*0+293#11907#11614
24M → 40K392*0+392#11614#11222
40K → 25.2M1320+132#11222#11090
25.2M → FINISH293*0+293#11090#10797
TOTALS4891*452+4073

* 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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