Boston Marathon logo
BOSTON MARATHON 2023

Emily Keip

Bib: 11602•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F40-44)
#0 / 1878
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:04
Rank: #11887
Start → 5K
24:04 | 7:45/mi
10K· 6.21 mi
47:56
Rank: #11949 (-62)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:11:48
Rank: #11816 (+133)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:35:30
Rank: #11385 (+431)
15K → 20K
23:42 | 7:38/mi
Half· 13.11 mi
1:40:38
Rank: #11332 (+53)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:00
Rank: #10983 (+349)
Half → 25K
18:22 | 7:35/mi
30K· 18.64 mi
2:22:51
Rank: #10465 (+518)
25K → 30K
23:51 | 7:41/mi
20M
2:33:32
Rank: #10373 (+92)
30K → 20M
10:41 | 7:52/mi
21M
2:41:49
Rank: #10267 (+106)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:47:30
Rank: #10213 (+54)
21M → 35K
5:41 | 7:36/mi
23M
2:57:15
Rank: #10058 (+155)
35K → 23M
9:45 | 7:47/mi
24M
3:04:54
Rank: #9978 (+80)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:11:25
Rank: #9844 (+134)
24M → 40K
6:31 | 7:37/mi
25.2M
3:14:16
Rank: #9799 (+45)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:21:52
Rank: #9687 (+112)
25.2M → Finish
7:36 | 7:27/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:14
Pace7:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1424:047:4524:04
7:45
-
10K
6.21 mi11:19:0647:567:4323:52
7:41
-0:04
15K
9.32 mi11:42:581:11:487:4223:52
7:41
0:00
20K
12.43 mi12:06:401:35:307:4123:42
7:38
-0:03
Half
13.11 mi12:11:481:40:387:415:08
7:31
-0:07
25K
15.53 mi12:30:101:59:007:4018:22
7:35
+0:04
30K
18.64 mi12:54:012:22:517:4023:51
7:41
+0:06
20M
20.00 mi13:04:422:33:327:4110:41
7:52
+0:11
21M
21.00 mi13:12:592:41:497:428:17
8:17
+0:25
35K
21.75 mi13:18:402:47:307:425:41
7:36
-0:41
23M
23.00 mi13:28:252:57:157:429:45
7:47
+0:11
24M
24.00 mi13:36:043:04:547:427:39
7:39
-0:08
40K
24.85 mi13:42:353:11:257:426:31
7:37
-0:02
25.2M
25.20 mi13:45:263:14:167:432:51
8:16
+0:39
Finish
26.22 mi13:53:023:21:527:427:36
7:27
-0:49

Checkpoints & Pacing

📈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

7:27 /mi

Average Pace

7:42 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:44

94% of race

Time at Steady Pace

11:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:55:1424:047:4524:04
7:45
#11887
10K
6.21 mi11:19:0647:567:4323:52
7:41
#11949
15K
9.32 mi11:42:581:11:487:4223:52
7:41
#11816
20K
12.43 mi12:06:401:35:307:4123:42
7:38
#11385
Half
13.11 mi12:11:481:40:387:415:08
7:31
#11332
25K
15.53 mi12:30:101:59:007:4018:22
7:35
#10983
30K
18.64 mi12:54:012:22:517:4023:51
7:41
#10465
20M
20.00 mi13:04:422:33:327:4110:41
7:52
#10373
21M
21.00 mi13:12:592:41:497:428:17
8:17
#10267
35K
21.75 mi13:18:402:47:307:425:41
7:36
#10213
23M
23.00 mi13:28:252:57:157:429:45
7:47
#10058
24M
24.00 mi13:36:043:04:547:427:39
7:39
#9978
40K
24.85 mi13:42:353:11:257:426:31
7:37
#9844
25.2M
25.20 mi13:45:263:14:167:432:51
8:16
#9799
Finish
26.22 mi13:53:023:21:527:427:36
7:27
#9687
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi118872801280111702(Top 44%)2727(Top 24%)2727(Top 145%)
10K6.21 mi3.10 mi11949-622842-412842-4112074(Top 45%)2908(Top 25%)2908(Top 155%)
15K9.32 mi3.11 mi11816+1332790+522790+5211702(Top 44%)2727(Top 24%)2727(Top 145%)
20K12.43 mi3.11 mi11385+4312543+2472543+24710313(Top 39%)2055(Top 18%)2055(Top 109%)
Half13.11 mi0.68 mi11332+532521+222521+2210453(Top 39%)2108(Top 18%)2108(Top 112%)
25K15.53 mi2.42 mi10983+3492341+1802341+1809368(Top 35%)1717(Top 15%)1717(Top 91%)
30K18.64 mi3.11 mi10465+5182134+2072134+2078500(Top 32%)1511(Top 13%)1511(Top 80%)
20M20.00 mi1.36 mi10373+922107+272107+279330(Top 35%)1949(Top 17%)1949(Top 104%)
21M21.00 mi1.00 mi10267+1062081+262081+269161(Top 34%)1993(Top 17%)1993(Top 106%)
35K21.75 mi0.75 mi10213+542063+182063+189293(Top 35%)2046(Top 18%)2046(Top 109%)
23M23.00 mi1.25 mi10058+1552022+412022+418351(Top 31%)1734(Top 15%)1734(Top 92%)
24M24.00 mi1.00 mi9978+802024-22024-28781(Top 33%)1993(Top 17%)1993(Top 106%)
40K24.85 mi0.85 mi9844+1341988+361988+367490(Top 28%)1563(Top 14%)1563(Top 83%)
25.2M25.20 mi0.35 mi9799+451981+71981+78164(Top 31%)1891(Top 17%)1891(Top 101%)
Finish26.22 mi1.02 mi9687+1121961+201961+208267(Top 31%)1942(Top 17%)1942(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11702

Females

2727

F40-44

2727

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12074

Females

2908

F40-44

2908

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11702

Females

2727

F40-44

2727

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10313

Females

2055

F40-44

2055

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10453

Females

2108

F40-44

2108

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9368

Females

1717

F40-44

1717

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8500

Females

1511

F40-44

1511

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9330

Females

1949

F40-44

1949

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9161

Females

1993

F40-44

1993

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9293

Females

2046

F40-44

2046

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8351

Females

1734

F40-44

1734

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8781

Females

1993

F40-44

1993

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7490

Females

1563

F40-44

1563

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8164

Females

1891

F40-44

1891

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8267

Females

1942

F40-44

1942

Passing Analysis

Category:
Athletes Passed
2873*
Passed By
673
Net Change
+2200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11887
5K → 10K264326-62#11887#11949
10K → 15K264131+133#11949#11816
15K → 20K44918+431#11816#11385
20K → Half6310+53#11385#11332
Half → 25K3567+349#11332#10983
25K → 30K5279+518#10983#10465
30K → 20M123*31+92#10465#10373
20M → 21M14135+106#10373#10267
21M → 35K7117+54#10267#10213
35K → 23M16611+155#10213#10058
23M → 24M11636+80#10058#9978
24M → 40K14410+134#9978#9844
40K → 25.2M5611+45#9844#9799
25.2M → Finish133*21+112#9799#9687
TOTALS2873*673+2200

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing