Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Jana Demmer

Bib: 18930FAge: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 49%
Age Group (F18-39)
#0 / 5716
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
23:39
3.11 mi
Rank: #13784
Start5K
23:39 | 7:37/mi
10K
47:09
6.21 mi
Rank: #13631 (+153)
5K10K
23:30 | 7:34/mi
15K
1:10:57
9.32 mi
Rank: #13785 (-154)
10K15K
23:48 | 7:40/mi
20K
1:35:57
12.43 mi
Rank: #14482 (-697)
15K20K
25:00 | 8:03/mi
HALF
1:41:31
13.11 mi
Rank: #14701 (-219)
20KHALF
5:34 | 8:10/mi
25K
2:02:30
15.53 mi
Rank: #15655 (-954)
HALF25K
20:59 | 8:40/mi
30K
2:30:43
18.64 mi
Rank: #16620 (-965)
25K30K
28:13 | 9:05/mi
20M
2:42:40
20.00 mi
Rank: #16699 (-79)
30K20M
11:57 | 8:48/mi
21M
2:52:19
21.00 mi
Rank: #16840 (-141)
20M21M
9:39 | 9:39/mi
35K
2:58:53
21.75 mi
Rank: #16910 (-70)
21M35K
6:34 | 8:47/mi
23M
3:10:09
23.00 mi
Rank: #17002 (-92)
35K23M
11:16 | 9:01/mi
24M
3:19:03
24.00 mi
Rank: #17087 (-85)
23M24M
8:54 | 8:54/mi
40K
3:26:52
24.85 mi
Rank: #17144 (-57)
24M40K
7:49 | 9:09/mi
25.2M
3:30:06
25.20 mi
Rank: #17132 (+12)
40K25.2M
3:14 | 9:23/mi
FINISH
3:38:38
26.22 mi
Rank: #17133 (-1)
25.2MFINISH
8:32 | 8:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:31
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:57:07
Pace8:57 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:2023:397:3723:39
7:37
-
10K
6.21 mi11:30:5047:097:3623:30
7:34
-0:03
15K
9.32 mi11:54:381:10:577:3723:48
7:40
+0:06
20K
12.43 mi12:19:381:35:577:4425:00
8:03
+0:23
HALF
13.11 mi12:25:121:41:317:455:34
8:10
+0:07
25K
15.53 mi12:46:112:02:307:5420:59
8:40
+0:30
30K
18.64 mi13:14:242:30:438:0628:13
9:05
+0:25
20M
20.00 mi13:26:212:42:408:0911:57
8:48
-0:17
21M
21.00 mi13:36:002:52:198:139:39
9:39
+0:51
35K
21.75 mi13:42:342:58:538:146:34
8:47
-0:52
23M
23.00 mi13:53:503:10:098:1711:16
9:01
+0:14
24M
24.00 mi14:02:443:19:038:188:54
8:54
-0:07
40K
24.85 mi14:10:333:26:528:207:49
9:09
+0:15
25.2M
25.20 mi14:13:473:30:068:213:14
9:23
+0:14
FINISH
26.22 mi14:22:193:38:388:218:32
8:23
-1:00

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

7:34 /mi

Average Pace

8:21 /mi

Slowest Pace

9:39 /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

1:50:03

50% of race

Time at Steady Pace

1:27:53

40% of race

Time at Slower Pace

20:42

9% of race

Average Pace: 8:20 /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 mi11:07:2023:397:3723:39
7:37
#13784
10K
6.21 mi11:30:5047:097:3623:30
7:34
#13631
15K
9.32 mi11:54:381:10:577:3723:48
7:40
#13785
20K
12.43 mi12:19:381:35:577:4425:00
8:03
#14482
HALF
13.11 mi12:25:121:41:317:455:34
8:10
#14701
25K
15.53 mi12:46:112:02:307:5420:59
8:40
#15655
30K
18.64 mi13:14:242:30:438:0628:13
9:05
#16620
20M
20.00 mi13:26:212:42:408:0911:57
8:48
#16699
21M
21.00 mi13:36:002:52:198:139:39
9:39
#16840
35K
21.75 mi13:42:342:58:538:146:34
8:47
#16910
23M
23.00 mi13:53:503:10:098:1711:16
9:01
#17002
24M
24.00 mi14:02:443:19:038:188:54
8:54
#17087
40K
24.85 mi14:10:333:26:528:207:49
9:09
#17144
25.2M
25.20 mi14:13:473:30:068:213:14
9:23
#17132
FINISH
26.22 mi14:22:193:38:388:218:32
8:23
#17133
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 mi137843956395614215(Top 49%)4266(Top 34%)4266(Top 75%)
10K6.21 mi3.10 mi13631+1533888+683888+6813531(Top 47%)3852(Top 31%)3852(Top 67%)
15K9.32 mi3.11 mi13785-1543995-1073995-10714215(Top 49%)4266(Top 34%)4266(Top 75%)
20K12.43 mi3.11 mi14482-6974425-4304425-43016483(Top 57%)5647(Top 45%)5647(Top 99%)
HALF13.11 mi0.68 mi14701-2194554-1294554-12918226(Top 63%)6599(Top 52%)6599(Top 115%)
25K15.53 mi2.42 mi15655-9545161-6075161-60719474(Top 67%)7383(Top 59%)7383(Top 129%)
30K18.64 mi3.11 mi16620-9655767-6065767-60619981(Top 69%)7725(Top 61%)7725(Top 135%)
20M20.00 mi1.36 mi16699-795816-495816-4917968(Top 62%)6732(Top 54%)6732(Top 118%)
21M21.00 mi1.00 mi16840-1415907-915907-9119182(Top 66%)7410(Top 59%)7410(Top 130%)
35K21.75 mi0.75 mi16910-705965-585965-5819001(Top 65%)7424(Top 59%)7424(Top 130%)
23M23.00 mi1.25 mi17002-926042-776042-7718519(Top 64%)7223(Top 57%)7223(Top 126%)
24M24.00 mi1.00 mi17087-856110-686110-6819026(Top 66%)7528(Top 60%)7528(Top 132%)
40K24.85 mi0.85 mi17144-576167-576167-5719049(Top 66%)7592(Top 60%)7592(Top 133%)
25.2M25.20 mi0.35 mi17132+126168-16168-116777(Top 58%)6383(Top 51%)6383(Top 112%)
FINISH26.22 mi1.02 mi17133-16194-266194-2617484(Top 60%)6770(Top 54%)6770(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14215

Females

4266

F18-39

4266

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13531

Females

3852

F18-39

3852

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14215

Females

4266

F18-39

4266

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16483

Females

5647

F18-39

5647

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18226

Females

6599

F18-39

6599

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19474

Females

7383

F18-39

7383

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

19981

Females

7725

F18-39

7725

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17968

Females

6732

F18-39

6732

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19182

Females

7410

F18-39

7410

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

19001

Females

7424

F18-39

7424

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18519

Females

7223

F18-39

7223

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19026

Females

7528

F18-39

7528

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19049

Females

7592

F18-39

7592

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16777

Females

6383

F18-39

6383

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17484

Females

6770

F18-39

6770

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1038*
Passed By
2132
Net Change
-3349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13784
5K10K353*200+153#13784#13631
10K15K147200-154#13631#13785
15K20K41200-697#13785#14482
20KHALF1200-219#14482#14701
HALF25K28200-954#14701#15655
25K30K49200-965#15655#16620
30K20M58137-79#16620#16699
20M21M50191-141#16699#16840
21M35K43113-70#16840#16910
35K23M75167-92#16910#17002
23M24M52137-85#17002#17087
24M40K52109-57#17087#17144
40K25.2M2614+12#17144#17132
25.2MFINISH6364-1#17132#17133
TOTALS1038*2132-3349

* 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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