Boston Marathon logo
BOSTON MARATHON 2023

Esmee Kuiper

Bib: 15435•F

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:56
Rank: #14203
Start → 5K
24:56 | 8:02/mi
10K· 6.21 mi
49:56
Rank: #14646 (-443)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:14:51
Rank: #14578 (+68)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:02
Rank: #14480 (+98)
15K → 20K
25:11 | 8:06/mi
Half· 13.11 mi
1:45:33
Rank: #14511 (-31)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:05:21
Rank: #14420 (+91)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:31:52
Rank: #14431 (-11)
25K → 30K
26:31 | 8:32/mi
20M
2:43:07
Rank: #14257 (+174)
30K → 20M
11:15 | 8:17/mi
21M
2:51:59
Rank: #14136 (+121)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:58:03
Rank: #14066 (+70)
21M → 35K
6:04 | 8:07/mi
23M
3:08:37
Rank: #13973 (+93)
35K → 23M
10:34 | 8:26/mi
24M
3:16:50
Rank: #13891 (+82)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:23:56
Rank: #13807 (+84)
24M → 40K
7:06 | 8:18/mi
25.2M
3:26:58
Rank: #13756 (+51)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:35:03
Rank: #13647 (+109)
25.2M → Finish
8:05 | 7:56/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 HalfFaster
Distance13.11 mi
Time1:45:33
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2824:568:0224:56
8:02
-
10K
6.21 mi11:19:2849:568:0225:00
8:03
+0:01
15K
9.32 mi11:44:231:14:518:0224:55
8:01
-0:02
20K
12.43 mi12:09:341:40:028:0325:11
8:06
+0:05
Half
13.11 mi12:15:051:45:338:035:31
8:05
-0:01
25K
15.53 mi12:34:532:05:218:0419:48
8:10
+0:05
30K
18.64 mi13:01:242:31:528:0926:31
8:32
+0:22
20M
20.00 mi13:12:392:43:078:0911:15
8:17
-0:15
21M
21.00 mi13:21:312:51:598:118:52
8:52
+0:35
35K
21.75 mi13:27:352:58:038:116:04
8:07
-0:45
23M
23.00 mi13:38:093:08:378:1210:34
8:26
+0:19
24M
24.00 mi13:46:223:16:508:128:13
8:13
-0:13
40K
24.85 mi13:53:283:23:568:127:06
8:18
+0:05
25.2M
25.20 mi13:56:303:26:588:133:02
8:48
+0:30
Finish
26.22 mi14:04:353:35:038:128:05
7:56
-0:52

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

7:56 /mi

Average Pace

8:12 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:09

94% of race

Time at Steady Pace

11:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi10:54:2824:568:0224:56
8:02
#14203
10K
6.21 mi11:19:2849:568:0225:00
8:03
#14646
15K
9.32 mi11:44:231:14:518:0224:55
8:01
#14578
20K
12.43 mi12:09:341:40:028:0325:11
8:06
#14480
Half
13.11 mi12:15:051:45:338:035:31
8:05
#14511
25K
15.53 mi12:34:532:05:218:0419:48
8:10
#14420
30K
18.64 mi13:01:242:31:528:0926:31
8:32
#14431
20M
20.00 mi13:12:392:43:078:0911:15
8:17
#14257
21M
21.00 mi13:21:312:51:598:118:52
8:52
#14136
35K
21.75 mi13:27:352:58:038:116:04
8:07
#14066
23M
23.00 mi13:38:093:08:378:1210:34
8:26
#13973
24M
24.00 mi13:46:223:16:508:128:13
8:13
#13891
40K
24.85 mi13:53:283:23:568:127:06
8:18
#13807
25.2M
25.20 mi13:56:303:26:588:133:02
8:48
#13756
Finish
26.22 mi14:04:353:35:038:128:05
7:56
#13647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142034151415114548(Top 55%)4412(Top 39%)4412(Top 90%)
10K6.21 mi3.10 mi14646-4434434-2834434-28315153(Top 57%)4761(Top 42%)4761(Top 97%)
15K9.32 mi3.11 mi14578+684397+374397+3714548(Top 55%)4412(Top 39%)4412(Top 90%)
20K12.43 mi3.11 mi14480+984359+384359+3814263(Top 54%)4264(Top 37%)4264(Top 87%)
Half13.11 mi0.68 mi14511-314375-164375-1615055(Top 57%)4700(Top 41%)4700(Top 96%)
25K15.53 mi2.42 mi14420+914358+174358+1714004(Top 53%)4224(Top 37%)4224(Top 86%)
30K18.64 mi3.11 mi14431-114413-554413-5514525(Top 55%)4637(Top 41%)4637(Top 95%)
20M20.00 mi1.36 mi14257+1744331+824331+8212255(Top 46%)3437(Top 30%)3437(Top 70%)
21M21.00 mi1.00 mi14136+1214271+604271+6012683(Top 48%)3779(Top 33%)3779(Top 77%)
35K21.75 mi0.75 mi14066+704239+324239+3212890(Top 48%)3943(Top 35%)3943(Top 81%)
23M23.00 mi1.25 mi13973+934214+254214+2512873(Top 48%)3997(Top 35%)3997(Top 82%)
24M24.00 mi1.00 mi13891+824190+244190+2412754(Top 48%)3994(Top 35%)3994(Top 82%)
40K24.85 mi0.85 mi13807+844151+394151+3912114(Top 46%)3739(Top 33%)3739(Top 77%)
25.2M25.20 mi0.35 mi13756+514127+244127+2411412(Top 43%)3424(Top 30%)3424(Top 70%)
Finish26.22 mi1.02 mi13647+1094080+474080+4711658(Top 44%)3529(Top 31%)3529(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14548

Females

4412

F18-39

4412

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15153

Females

4761

F18-39

4761

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14548

Females

4412

F18-39

4412

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14263

Females

4264

F18-39

4264

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15055

Females

4700

F18-39

4700

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14004

Females

4224

F18-39

4224

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14525

Females

4637

F18-39

4637

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12255

Females

3437

F18-39

3437

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12683

Females

3779

F18-39

3779

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12890

Females

3943

F18-39

3943

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12873

Females

3997

F18-39

3997

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12754

Females

3994

F18-39

3994

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12114

Females

3739

F18-39

3739

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11412

Females

3424

F18-39

3424

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11658

Females

3529

F18-39

3529

Passing Analysis

Category:
Athletes Passed
1947
Passed By
1391
Net Change
+556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14203
5K → 10K129572-443#14203#14646
10K → 15K231163+68#14646#14578
15K → 20K230132+98#14578#14480
20K → Half1849-31#14480#14511
Half → 25K18998+91#14511#14420
25K → 30K175186-11#14420#14431
30K → 20M18915+174#14431#14257
20M → 21M15433+121#14257#14136
21M → 35K8616+70#14136#14066
35K → 23M13744+93#14066#13973
23M → 24M10321+82#13973#13891
24M → 40K11026+84#13891#13807
40K → 25.2M576+51#13807#13756
25.2M → Finish13930+109#13756#13647
TOTALS19471391+556
📊

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