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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Libby Collier

Bib: 9893 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 17%
Gender (Female)
#0 / 12578
Top 3%
Age Group (F18-39)
#0 / 5716
Top 7%
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
21:00
3.11 mi
Rank: #6481
Start → 5K
21:00 | 6:46/mi
10K
41:52
6.21 mi
Rank: #6281 (+200)
5K → 10K
20:52 | 6:43/mi
15K
1:02:58
9.32 mi
Rank: #6398 (-117)
10K → 15K
21:06 | 6:48/mi
20K
1:24:10
12.43 mi
Rank: #6371 (+27)
15K → 20K
21:12 | 6:50/mi
HALF
1:28:46
13.11 mi
Rank: #6374 (-3)
20K → HALF
4:36 | 6:45/mi
25K
1:45:08
15.53 mi
Rank: #6163 (+211)
HALF → 25K
16:22 | 6:45/mi
30K
2:06:28
18.64 mi
Rank: #5867 (+296)
25K → 30K
21:20 | 6:52/mi
20M
2:15:41
20.00 mi
Rank: #5698 (+169)
30K → 20M
9:13 | 6:48/mi
21M
2:22:50
21.00 mi
Rank: #5587 (+111)
20M → 21M
7:09 | 7:09/mi
35K
2:27:44
21.75 mi
Rank: #5488 (+99)
21M → 35K
4:54 | 6:33/mi
23M
2:36:12
23.00 mi
Rank: #5345 (+143)
35K → 23M
8:28 | 6:46/mi
24M
2:42:52
24.00 mi
Rank: #5259 (+86)
23M → 24M
6:40 | 6:40/mi
40K
2:48:35
24.85 mi
Rank: #5138 (+121)
24M → 40K
5:43 | 6:42/mi
25.2M
2:51:04
25.20 mi
Rank: #5078 (+60)
40K → 25.2M
2:29 | 7:13/mi
FINISH
2:57:26
26.22 mi
Rank: #4939 (+139)
25.2M → FINISH
6:22 | 6:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:46
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:1621:006:4621:00
6:46
-
10K
6.21 mi10:58:0841:526:4520:52
6:43
-0:03
15K
9.32 mi11:19:141:02:586:4621:06
6:48
+0:05
20K
12.43 mi11:40:261:24:106:4721:12
6:50
+0:02
HALF
13.11 mi11:45:021:28:466:474:36
6:45
-0:05
25K
15.53 mi12:01:241:45:086:4716:22
6:45
0:00
30K
18.64 mi12:22:442:06:286:4821:20
6:52
+0:07
20M
20.00 mi12:31:572:15:416:489:13
6:48
-0:04
21M
21.00 mi12:39:062:22:506:497:09
7:09
+0:21
35K
21.75 mi12:44:002:27:446:484:54
6:33
-0:36
23M
23.00 mi12:52:282:36:126:488:28
6:46
+0:13
24M
24.00 mi12:59:082:42:526:486:40
6:40
-0:06
40K
24.85 mi13:04:512:48:356:475:43
6:42
+0:02
25.2M
25.20 mi13:07:202:51:046:482:29
7:13
+0:31
FINISH
26.22 mi13:13:422:57:266:476:22
6:15
-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

6:15 /mi

Average Pace

6:46 /mi

Slowest Pace

7:13 /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

2:47:48

95% of race

Time at Steady Pace

9:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:37:1621:006:4621:00
6:46
#6481
10K
6.21 mi10:58:0841:526:4520:52
6:43
#6281
15K
9.32 mi11:19:141:02:586:4621:06
6:48
#6398
20K
12.43 mi11:40:261:24:106:4721:12
6:50
#6371
HALF
13.11 mi11:45:021:28:466:474:36
6:45
#6374
25K
15.53 mi12:01:241:45:086:4716:22
6:45
#6163
30K
18.64 mi12:22:442:06:286:4821:20
6:52
#5867
20M
20.00 mi12:31:572:15:416:489:13
6:48
#5698
21M
21.00 mi12:39:062:22:506:497:09
7:09
#5587
35K
21.75 mi12:44:002:27:446:484:54
6:33
#5488
23M
23.00 mi12:52:282:36:126:488:28
6:46
#5345
24M
24.00 mi12:59:082:42:526:486:40
6:40
#5259
40K
24.85 mi13:04:512:48:356:475:43
6:42
#5138
25.2M
25.20 mi13:07:202:51:046:482:29
7:13
#5078
FINISH
26.22 mi13:13:422:57:266:476:22
6:15
#4939
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 mi64816266266753(Top 23%)729(Top 6%)729(Top 13%)
10K6.21 mi3.10 mi6281+200586+40586+406145(Top 21%)554(Top 4%)554(Top 10%)
15K9.32 mi3.11 mi6398-117614-28614-286753(Top 23%)729(Top 6%)729(Top 13%)
20K12.43 mi3.11 mi6371+27613+1613+16430(Top 22%)683(Top 5%)683(Top 12%)
HALF13.11 mi0.68 mi6374-3614-1614-16688(Top 23%)715(Top 6%)715(Top 13%)
25K15.53 mi2.42 mi6163+211584+30584+305348(Top 18%)471(Top 4%)471(Top 8%)
30K18.64 mi3.11 mi5867+296542+42542+424904(Top 17%)447(Top 4%)447(Top 8%)
20M20.00 mi1.36 mi5698+169517+25517+254065(Top 14%)333(Top 3%)333(Top 6%)
21M21.00 mi1.00 mi5587+111494+23494+234378(Top 15%)456(Top 4%)456(Top 8%)
35K21.75 mi0.75 mi5488+99486+8486+83962(Top 14%)354(Top 3%)354(Top 6%)
23M23.00 mi1.25 mi5345+143463+23463+233915(Top 13%)387(Top 3%)387(Top 7%)
24M24.00 mi1.00 mi5259+86453+10453+104247(Top 15%)477(Top 4%)477(Top 8%)
40K24.85 mi0.85 mi5138+121444+9444+93571(Top 12%)373(Top 3%)373(Top 7%)
25.2M25.20 mi0.35 mi5078+604444443666(Top 13%)437(Top 3%)437(Top 8%)
FINISH26.22 mi1.02 mi4939+139435+9435+92773(Top 10%)269(Top 2%)269(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6753

Females

729

F18-39

729

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6145

Females

554

F18-39

554

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6753

Females

729

F18-39

729

15K→20K

9.3 - 12.4 mi

Top 22%
×5
+106ft-86ft

Overall

6430

Females

683

F18-39

683

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6688

Females

715

F18-39

715

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5348

Females

471

F18-39

471

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4904

Females

447

F18-39

447

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

4065

Females

333

F18-39

333

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4378

Females

456

F18-39

456

21M→35K

21.0 - 21.8 mi

Top 14%
×7
+17ft-86ft

Overall

3962

Females

354

F18-39

354

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3915

Females

387

F18-39

387

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4247

Females

477

F18-39

477

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3571

Females

373

F18-39

373

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1
+13ft-16ft

Overall

3666

Females

437

F18-39

437

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2773

Females

269

F18-39

269

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2129*
Passed By
567
Net Change
+1542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6481
5K → 10K291*91+200#6481#6281
10K → 15K103200-117#6281#6398
15K → 20K152125+27#6398#6371
20K → HALF2124-3#6371#6374
HALF → 25K228*17+211#6374#6163
25K → 30K324*28+296#6163#5867
30K → 20M1756+169#5867#5698
20M → 21M13019+111#5698#5587
21M → 35K1056+99#5587#5488
35K → 23M15613+143#5488#5345
23M → 24M10418+86#5345#5259
24M → 40K1298+121#5259#5138
40K → 25.2M666+60#5138#5078
25.2M → FINISH1456+139#5078#4939
TOTALS2129*567+1542

* 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

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