Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Delaney Knoll

Bib: 13435FAge: N/A

MI

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 30%
Gender (Female)
#0 / 12578
Top 14%
Age Group (F18-39)
#0 / 5716
Top 25%
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
21:46
3.11 mi
Rank: #8620
Start5K
21:46 | 7:01/mi
10K
43:08
6.21 mi
Rank: #8157 (+463)
5K10K
21:22 | 6:53/mi
15K
1:04:15
9.32 mi
Rank: #7759 (+398)
10K15K
21:07 | 6:48/mi
20K
1:25:22
12.43 mi
Rank: #7316 (+443)
15K20K
21:07 | 6:48/mi
HALF
1:29:56
13.11 mi
Rank: #7254 (+62)
20KHALF
4:34 | 6:42/mi
25K
1:46:39
15.53 mi
Rank: #7102 (+152)
HALF25K
16:43 | 6:54/mi
30K
2:09:26
18.64 mi
Rank: #7302 (-200)
25K30K
22:47 | 7:20/mi
20M
2:19:56
20.00 mi
Rank: #7487 (-185)
30K20M
10:30 | 7:44/mi
21M
2:28:40
21.00 mi
Rank: #7804 (-317)
20M21M
8:44 | 8:44/mi
35K
2:34:35
21.75 mi
Rank: #7992 (-188)
21M35K
5:55 | 7:55/mi
23M
2:44:26
23.00 mi
Rank: #8127 (-135)
35K23M
9:51 | 7:53/mi
24M
2:52:32
24.00 mi
Rank: #8366 (-239)
23M24M
8:06 | 8:06/mi
40K
2:59:43
24.85 mi
Rank: #8591 (-225)
24M40K
7:11 | 8:25/mi
25.2M
3:02:56
25.20 mi
Rank: #8702 (-111)
40K25.2M
3:13 | 9:20/mi
FINISH
3:10:50
26.22 mi
Rank: #8843 (-141)
25.2MFINISH
7:54 | 7:46/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:56
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:40:54
Pace7:42 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4621:467:0121:46
7:01
-
10K
6.21 mi11:12:0843:086:5721:22
6:53
-0:08
15K
9.32 mi11:33:151:04:156:5421:07
6:48
-0:05
20K
12.43 mi11:54:221:25:226:5321:07
6:48
0:00
HALF
13.11 mi11:58:561:29:566:524:34
6:42
-0:06
25K
15.53 mi12:15:391:46:396:5216:43
6:54
+0:12
30K
18.64 mi12:38:262:09:266:5722:47
7:20
+0:26
20M
20.00 mi12:48:562:19:567:0010:30
7:44
+0:24
21M
21.00 mi12:57:402:28:407:058:44
8:44
+1:00
35K
21.75 mi13:03:352:34:357:075:55
7:55
-0:49
23M
23.00 mi13:13:262:44:267:099:51
7:53
-0:02
24M
24.00 mi13:21:322:52:327:128:06
8:06
+0:13
40K
24.85 mi13:28:432:59:437:147:11
8:25
+0:19
25.2M
25.20 mi13:31:563:02:567:163:13
9:20
+0:55
FINISH
26.22 mi13:39:503:10:507:187:54
7:46
-1:34

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

6:42 /mi

Average Pace

7:17 /mi

Slowest Pace

9:20 /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

2:09:26

68% of race

Time at Steady Pace

42:16

22% of race

Time at Slower Pace

19:08

10% of race

Average Pace: 7:17 /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 mi10:50:4621:467:0121:46
7:01
#8620
10K
6.21 mi11:12:0843:086:5721:22
6:53
#8157
15K
9.32 mi11:33:151:04:156:5421:07
6:48
#7759
20K
12.43 mi11:54:221:25:226:5321:07
6:48
#7316
HALF
13.11 mi11:58:561:29:566:524:34
6:42
#7254
25K
15.53 mi12:15:391:46:396:5216:43
6:54
#7102
30K
18.64 mi12:38:262:09:266:5722:47
7:20
#7302
20M
20.00 mi12:48:562:19:567:0010:30
7:44
#7487
21M
21.00 mi12:57:402:28:407:058:44
8:44
#7804
35K
21.75 mi13:03:352:34:357:075:55
7:55
#7992
23M
23.00 mi13:13:262:44:267:099:51
7:53
#8127
24M
24.00 mi13:21:322:52:327:128:06
8:06
#8366
40K
24.85 mi13:28:432:59:437:147:11
8:25
#8591
25.2M
25.20 mi13:31:563:02:567:163:13
9:20
#8702
FINISH
26.22 mi13:39:503:10:507:187:54
7:46
#8843
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 mi8620127512756820(Top 24%)752(Top 6%)752(Top 13%)
10K6.21 mi3.10 mi8157+4631138+1371138+1377761(Top 27%)1003(Top 8%)1003(Top 18%)
15K9.32 mi3.11 mi7759+3981018+1201018+1206820(Top 24%)752(Top 6%)752(Top 13%)
20K12.43 mi3.11 mi7316+443895+123895+1236195(Top 21%)630(Top 5%)630(Top 11%)
HALF13.11 mi0.68 mi7254+62874+21874+216268(Top 22%)641(Top 5%)641(Top 11%)
25K15.53 mi2.42 mi7102+152832+42832+426655(Top 23%)791(Top 6%)791(Top 14%)
30K18.64 mi3.11 mi7302-200900-68900-688366(Top 29%)1537(Top 12%)1537(Top 27%)
20M20.00 mi1.36 mi7487-185983-83983-8310838(Top 37%)2796(Top 22%)2796(Top 49%)
21M21.00 mi1.00 mi7804-3171124-1411124-14114570(Top 50%)4874(Top 39%)4874(Top 85%)
35K21.75 mi0.75 mi7992-1881210-861210-8613838(Top 48%)4535(Top 36%)4535(Top 79%)
23M23.00 mi1.25 mi8127-1351299-891299-8911532(Top 40%)3358(Top 27%)3358(Top 59%)
24M24.00 mi1.00 mi8366-2391425-1261425-12614427(Top 50%)5022(Top 40%)5022(Top 88%)
40K24.85 mi0.85 mi8591-2251553-1281553-12815079(Top 52%)5461(Top 43%)5461(Top 96%)
25.2M25.20 mi0.35 mi8702-1111613-601613-6016478(Top 57%)6196(Top 49%)6196(Top 108%)
FINISH26.22 mi1.02 mi8843-1411699-861699-8613404(Top 46%)4598(Top 37%)4598(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21
+97ft-345ft

Overall

6820

Females

752

F18-39

752

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7761

Females

1003

F18-39

1003

10K→15K

6.2 - 9.3 mi

Top 24%
×3
+67ft-78ft

Overall

6820

Females

752

F18-39

752

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6195

Females

630

F18-39

630

20K→HALF

12.4 - 13.1 mi

Top 22%
×2
+19ft-37ft

Overall

6268

Females

641

F18-39

641

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6655

Females

791

F18-39

791

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8366

Females

1537

F18-39

1537

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10838

Females

2796

F18-39

2796

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14570

Females

4874

F18-39

4874

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13838

Females

4535

F18-39

4535

35K→23M

21.8 - 23.0 mi

Top 40%
×5
+23ft-63ft

Overall

11532

Females

3358

F18-39

3358

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14427

Females

5022

F18-39

5022

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15079

Females

5461

F18-39

5461

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16478

Females

6196

F18-39

6196

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13404

Females

4598

F18-39

4598

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1929*
Passed By
1805
Net Change
-223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8620
5K10K510*47+463#8620#8157
10K15K410*12+398#8157#7759
15K20K452*9+443#7759#7316
20KHALF719+62#7316#7254
HALF25K18533+152#7254#7102
25K30K83200-200#7102#7302
30K20M32200-185#7302#7487
20M21M14200-317#7487#7804
21M35K17200-188#7804#7992
35K23M67200-135#7992#8127
23M24M22200-239#8127#8366
24M40K23200-225#8366#8591
40K25.2M9120-111#8591#8702
25.2MFINISH34175-141#8702#8843
TOTALS1929*1805-223

* 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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