Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Alice Gwen Caffrey

Bib: 14083FAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
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
23:21
3.11 mi
Rank: #12929
Start5K
23:21 | 7:31/mi
10K
46:39
6.21 mi
Rank: #12913 (+16)
5K10K
23:18 | 7:30/mi
15K
1:09:47
9.32 mi
Rank: #12704 (+209)
10K15K
23:08 | 7:27/mi
20K
1:33:16
12.43 mi
Rank: #12640 (+64)
15K20K
23:29 | 7:34/mi
HALF
1:38:20
13.11 mi
Rank: #12624 (+16)
20KHALF
5:04 | 7:26/mi
25K
1:56:43
15.53 mi
Rank: #12521 (+103)
HALF25K
18:23 | 7:35/mi
30K
2:25:29
18.64 mi
Rank: #14393 (-1872)
25K30K
28:46 | 9:16/mi
20M
2:36:46
20.00 mi
Rank: #14422 (-29)
30K20M
11:17 | 8:19/mi
21M
2:45:39
21.00 mi
Rank: #14445 (-23)
20M21M
8:53 | 8:53/mi
35K
2:51:46
21.75 mi
Rank: #14492 (-47)
21M35K
6:07 | 8:11/mi
23M
3:02:48
23.00 mi
Rank: #14703 (-211)
35K23M
11:02 | 8:49/mi
24M
3:11:27
24.00 mi
Rank: #14876 (-173)
23M24M
8:39 | 8:39/mi
40K
3:19:16
24.85 mi
Rank: #15063 (-187)
24M40K
7:49 | 9:09/mi
25.2M
3:23:09
25.20 mi
Rank: #15311 (-248)
40K25.2M
3:53 | 11:16/mi
FINISH
3:31:47
26.22 mi
Rank: #15443 (-132)
25.2MFINISH
8:38 | 8:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:20
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:53:27
Pace8:40 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0323:217:3123:21
7:31
-
10K
6.21 mi11:16:2146:397:3123:18
7:30
-0:01
15K
9.32 mi11:39:291:09:477:3023:08
7:27
-0:03
20K
12.43 mi12:02:581:33:167:3123:29
7:34
+0:07
HALF
13.11 mi12:08:021:38:207:315:04
7:26
-0:08
25K
15.53 mi12:26:251:56:437:3118:23
7:35
+0:09
30K
18.64 mi12:55:112:25:297:4928:46
9:16
+1:41
20M
20.00 mi13:06:282:36:467:5111:17
8:19
-0:57
21M
21.00 mi13:15:212:45:397:548:53
8:53
+0:34
35K
21.75 mi13:21:282:51:467:546:07
8:11
-0:42
23M
23.00 mi13:32:303:02:487:5711:02
8:49
+0:38
24M
24.00 mi13:41:093:11:277:598:39
8:39
-0:10
40K
24.85 mi13:48:583:19:168:027:49
9:09
+0:30
25.2M
25.20 mi13:52:513:23:098:043:53
11:16
+2:07
FINISH
26.22 mi14:01:293:31:478:058:38
8:29
-2:47

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

7:26 /mi

Average Pace

8:05 /mi

Slowest Pace

11:16 /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

1:56:43

55% of race

Time at Steady Pace

34:41

16% of race

Time at Slower Pace

1:00:23

29% of race

Average Pace: 8:05 /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 mi10:53:0323:217:3123:21
7:31
#12929
10K
6.21 mi11:16:2146:397:3123:18
7:30
#12913
15K
9.32 mi11:39:291:09:477:3023:08
7:27
#12704
20K
12.43 mi12:02:581:33:167:3123:29
7:34
#12640
HALF
13.11 mi12:08:021:38:207:315:04
7:26
#12624
25K
15.53 mi12:26:251:56:437:3118:23
7:35
#12521
30K
18.64 mi12:55:112:25:297:4928:46
9:16
#14393
20M
20.00 mi13:06:282:36:467:5111:17
8:19
#14422
21M
21.00 mi13:15:212:45:397:548:53
8:53
#14445
35K
21.75 mi13:21:282:51:467:546:07
8:11
#14492
23M
23.00 mi13:32:303:02:487:5711:02
8:49
#14703
24M
24.00 mi13:41:093:11:277:598:39
8:39
#14876
40K
24.85 mi13:48:583:19:168:027:49
9:09
#15063
25.2M
25.20 mi13:52:513:23:098:043:53
11:16
#15311
FINISH
26.22 mi14:01:293:31:478:058:38
8:29
#15443
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 mi129293446344612377(Top 43%)3226(Top 26%)3226(Top 56%)
10K6.21 mi3.10 mi12913+163461-153461-1512951(Top 45%)3522(Top 28%)3522(Top 62%)
15K9.32 mi3.11 mi12704+2093363+983363+9812377(Top 43%)3226(Top 26%)3226(Top 56%)
20K12.43 mi3.11 mi12640+643353+103353+1012502(Top 43%)3389(Top 27%)3389(Top 59%)
HALF13.11 mi0.68 mi12624+163347+63347+612542(Top 43%)3352(Top 27%)3352(Top 59%)
25K15.53 mi2.42 mi12521+1033324+233324+2312125(Top 42%)3243(Top 26%)3243(Top 57%)
30K18.64 mi3.11 mi14393-18724440-11164440-111620767(Top 72%)8134(Top 65%)8134(Top 142%)
20M20.00 mi1.36 mi14422-294476-364476-3614998(Top 52%)5058(Top 40%)5058(Top 88%)
21M21.00 mi1.00 mi14445-234508-324508-3215495(Top 53%)5411(Top 43%)5411(Top 95%)
35K21.75 mi0.75 mi14492-474561-534561-5315668(Top 54%)5560(Top 44%)5560(Top 97%)
23M23.00 mi1.25 mi14703-2114723-1624723-16217529(Top 60%)6702(Top 53%)6702(Top 117%)
24M24.00 mi1.00 mi14876-1734842-1194842-11917761(Top 61%)6861(Top 55%)6861(Top 120%)
40K24.85 mi0.85 mi15063-1874970-1284970-12819043(Top 66%)7586(Top 60%)7586(Top 133%)
25.2M25.20 mi0.35 mi15311-2485121-1515121-15122987(Top 79%)9585(Top 76%)9585(Top 168%)
FINISH26.22 mi1.02 mi15443-1325219-985219-9818016(Top 62%)7051(Top 56%)7051(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21
+97ft-345ft

Overall

12377

Females

3226

F18-39

3226

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

12951

Females

3522

F18-39

3522

10K→15K

6.2 - 9.3 mi

Top 43%
×3
+67ft-78ft

Overall

12377

Females

3226

F18-39

3226

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12502

Females

3389

F18-39

3389

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12542

Females

3352

F18-39

3352

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12125

Females

3243

F18-39

3243

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20767

Females

8134

F18-39

8134

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

14998

Females

5058

F18-39

5058

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15495

Females

5411

F18-39

5411

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15668

Females

5560

F18-39

5560

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17529

Females

6702

F18-39

6702

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17761

Females

6861

F18-39

6861

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19043

Females

7586

F18-39

7586

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

22987

Females

9585

F18-39

9585

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18016

Females

7051

F18-39

7051

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1313*
Passed By
2000
Net Change
-2514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12929
5K10K216*200+16#12929#12913
10K15K305*96+209#12913#12704
15K20K179115+64#12704#12640
20KHALF3721+16#12640#12624
HALF25K18582+103#12624#12521
25K30K18200-1872#12521#14393
30K20M85114-29#14393#14422
20M21M91114-23#14422#14445
21M35K5299-47#14445#14492
35K23M56200-211#14492#14703
23M24M29200-173#14703#14876
24M40K30200-187#14876#15063
40K25.2M3200-248#15063#15311
25.2MFINISH27159-132#15311#15443
TOTALS1313*2000-2514

* 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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