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BOSTON MARATHON 2023

Emily Flynn

Bib: 17569•F

FL

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Age Group (F18-39)
#0 / 4884
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

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· 3.11 mi
23:30
Rank: #10223
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
47:06
Rank: #10750 (-527)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:10:37
Rank: #10735 (+15)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:34:40
Rank: #10855 (-120)
15K → 20K
24:03 | 7:44/mi
Half· 13.11 mi
1:39:44
Rank: #10786 (+69)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:58:18
Rank: #10616 (+170)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:22:40
Rank: #10387 (+229)
25K → 30K
24:22 | 7:51/mi
20M
2:33:38
Rank: #10414 (-27)
30K → 20M
10:58 | 8:04/mi
21M
2:42:06
Rank: #10387 (+27)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:47:54
Rank: #10356 (+31)
21M → 35K
5:48 | 7:45/mi
23M
2:57:55
Rank: #10294 (+62)
35K → 23M
10:01 | 8:00/mi
24M
3:05:49
Rank: #10281 (+13)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:12:39
Rank: #10235 (+46)
24M → 40K
6:50 | 8:00/mi
25.2M
3:15:38
Rank: #10233 (+2)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:23:36
Rank: #10231 (+2)
25.2M → Finish
7:58 | 7:49/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
Time1:39:44
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0423:307:3423:30
7:34
-
10K
6.21 mi11:37:4047:067:3523:36
7:36
+0:02
15K
9.32 mi12:01:111:10:377:3523:31
7:34
-0:02
20K
12.43 mi12:25:141:34:407:3724:03
7:44
+0:10
Half
13.11 mi12:30:181:39:447:365:04
7:26
-0:18
25K
15.53 mi12:48:521:58:187:3718:34
7:39
+0:13
30K
18.64 mi13:13:142:22:407:3924:22
7:51
+0:12
20M
20.00 mi13:24:122:33:387:4110:58
8:04
+0:13
21M
21.00 mi13:32:402:42:067:438:28
8:28
+0:24
35K
21.75 mi13:38:282:47:547:435:48
7:45
-0:43
23M
23.00 mi13:48:292:57:557:4410:01
8:00
+0:15
24M
24.00 mi13:56:233:05:497:457:54
7:54
-0:06
40K
24.85 mi14:03:133:12:397:456:50
8:00
+0:06
25.2M
25.20 mi14:06:123:15:387:462:59
8:39
+0:39
Finish
26.22 mi14:14:103:23:367:467:58
7:49
-0:50

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

7:46 /mi

Slowest Pace

8:39 /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

3:12:09

94% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:14:0423:307:3423:30
7:34
#10223
10K
6.21 mi11:37:4047:067:3523:36
7:36
#10750
15K
9.32 mi12:01:111:10:377:3523:31
7:34
#10735
20K
12.43 mi12:25:141:34:407:3724:03
7:44
#10855
Half
13.11 mi12:30:181:39:447:365:04
7:26
#10786
25K
15.53 mi12:48:521:58:187:3718:34
7:39
#10616
30K
18.64 mi13:13:142:22:407:3924:22
7:51
#10387
20M
20.00 mi13:24:122:33:387:4110:58
8:04
#10414
21M
21.00 mi13:32:402:42:067:438:28
8:28
#10387
35K
21.75 mi13:38:282:47:547:435:48
7:45
#10356
23M
23.00 mi13:48:292:57:557:4410:01
8:00
#10294
24M
24.00 mi13:56:233:05:497:457:54
7:54
#10281
40K
24.85 mi14:03:133:12:397:456:50
8:00
#10235
25.2M
25.20 mi14:06:123:15:387:462:59
8:39
#10233
Finish
26.22 mi14:14:103:23:367:467:58
7:49
#10231
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 mi102231966196610769(Top 40%)2216(Top 19%)2216(Top 45%)
10K6.21 mi3.10 mi10750-5272201-2352201-23511304(Top 42%)2494(Top 22%)2494(Top 51%)
15K9.32 mi3.11 mi10735+152193+82193+810769(Top 40%)2216(Top 19%)2216(Top 45%)
20K12.43 mi3.11 mi10855-1202269-762269-7611240(Top 42%)2532(Top 22%)2532(Top 52%)
Half13.11 mi0.68 mi10786+692236+332236+339698(Top 36%)1769(Top 15%)1769(Top 36%)
25K15.53 mi2.42 mi10616+1702156+802156+809991(Top 38%)2003(Top 18%)2003(Top 41%)
30K18.64 mi3.11 mi10387+2292096+602096+609697(Top 36%)2020(Top 18%)2020(Top 41%)
20M20.00 mi1.36 mi10414-272128-322128-3210810(Top 41%)2638(Top 23%)2638(Top 54%)
21M21.00 mi1.00 mi10387+272143-152143-1510304(Top 39%)2531(Top 22%)2531(Top 52%)
35K21.75 mi0.75 mi10356+312143214310322(Top 39%)2511(Top 22%)2511(Top 51%)
23M23.00 mi1.25 mi10294+622142+12142+19756(Top 37%)2383(Top 21%)2383(Top 49%)
24M24.00 mi1.00 mi10281+132165-232165-2310533(Top 40%)2840(Top 25%)2840(Top 58%)
40K24.85 mi0.85 mi10235+462166-12166-110016(Top 38%)2653(Top 23%)2653(Top 54%)
25.2M25.20 mi0.35 mi10233+22181-152181-1510490(Top 39%)2916(Top 26%)2916(Top 60%)
Finish26.22 mi1.02 mi10231+22212-312212-3110813(Top 41%)3087(Top 27%)3087(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10769

Females

2216

F18-39

2216

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11304

Females

2494

F18-39

2494

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10769

Females

2216

F18-39

2216

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11240

Females

2532

F18-39

2532

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9698

Females

1769

F18-39

1769

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9991

Females

2003

F18-39

2003

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9697

Females

2020

F18-39

2020

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10810

Females

2638

F18-39

2638

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10304

Females

2531

F18-39

2531

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10322

Females

2511

F18-39

2511

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9756

Females

2383

F18-39

2383

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10533

Females

2840

F18-39

2840

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10016

Females

2653

F18-39

2653

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10490

Females

2916

F18-39

2916

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10813

Females

3087

F18-39

3087

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1605*
Passed By
1613
Net Change
-8
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10223
5K → 10K114641-527#10223#10750
10K → 15K190175+15#10750#10735
15K → 20K123243-120#10735#10855
20K → Half789+69#10855#10786
Half → 25K21646+170#10786#10616
25K → 30K29263+229#10616#10387
30K → 20M63*90-27#10387#10414
20M → 21M10376+27#10414#10387
21M → 35K5423+31#10387#10356
35K → 23M11452+62#10356#10294
23M → 24M6451+13#10294#10281
24M → 40K9044+46#10281#10235
40K → 25.2M37*35+2#10235#10233
25.2M → Finish6765+2#10233#10231
TOTALS1605*1613-8

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing