Boston Marathon logo
BOSTON MARATHON 2023

Kimberly Coppin

Bib: 12246•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #7997
Start → 5K
7:17/mi
22:37 split
10K· 6.21 mi
44:08
Rank: #7135 (+862)
5K → 10K
6:56/mi
21:31 split
15K· 9.32 mi
1:05:31
Rank: #6688 (+447)
10K → 15K
6:53/mi
21:23 split
20K· 12.43 mi
1:27:16
Rank: #6477 (+211)
15K → 20K
7:00/mi
21:45 split
Half· 13.11 mi
1:32:03
Rank: #6473 (+4)
20K → Half
7:01/mi
4:47 split
25K· 15.53 mi
1:49:12
Rank: #6390 (+83)
Half → 25K
7:04/mi
17:09 split
30K· 18.64 mi
2:11:47
Rank: #6235 (+155)
25K → 30K
7:16/mi
22:35 split
20M
2:21:44
Rank: #6158 (+77)
30K → 20M
7:19/mi
9:57 split
21M
2:29:30
Rank: #6114 (+44)
20M → 21M
7:46/mi
7:46 split
35K· 21.75 mi
2:34:45
Rank: #6052 (+62)
21M → 35K
7:01/mi
5:15 split
23M
2:43:52
Rank: #5955 (+97)
35K → 23M
7:17/mi
9:07 split
24M
2:50:56
Rank: #5855 (+100)
23M → 24M
7:04/mi
7:04 split
40K· 24.85 mi
2:57:12
Rank: #5806 (+49)
24M → 40K
7:20/mi
6:16 split
25.2M
2:59:50
Rank: #5766 (+40)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
3:07:06
Rank: #5724 (+42)
25.2M → Finish
7:08/mi
7:16 split

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
Time1:32:03
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2522:377:1722:37
7:17
-
10K
6.21 mi11:11:5644:087:0621:31
6:56
-0:21
15K
9.32 mi11:33:191:05:317:0221:23
6:53
-0:03
20K
12.43 mi11:55:041:27:167:0121:45
7:00
+0:07
Half
13.11 mi11:59:511:32:037:014:47
7:01
+0:01
25K
15.53 mi12:17:001:49:127:0217:09
7:04
+0:03
30K
18.64 mi12:39:352:11:477:0422:35
7:16
+0:12
20M
20.00 mi12:49:322:21:447:059:57
7:19
+0:03
21M
21.00 mi12:57:182:29:307:077:46
7:46
+0:27
35K
21.75 mi13:02:332:34:457:075:15
7:01
-0:45
23M
23.00 mi13:11:402:43:527:079:07
7:17
+0:16
24M
24.00 mi13:18:442:50:567:077:04
7:04
-0:13
40K
24.85 mi13:25:002:57:127:086:16
7:20
+0:16
25.2M
25.20 mi13:27:382:59:507:082:38
7:38
+0:18
Finish
26.22 mi13:34:543:07:067:087:16
7:08
-0:30

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

6:53 /mi

Average Pace

7:08 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:42

94% of race

Time at Steady Pace

10:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:50:2522:377:1722:37
7:17
#7997
10K
6.21 mi11:11:5644:087:0621:31
6:56
#7135
15K
9.32 mi11:33:191:05:317:0221:23
6:53
#6688
20K
12.43 mi11:55:041:27:167:0121:45
7:00
#6477
Half
13.11 mi11:59:511:32:037:014:47
7:01
#6473
25K
15.53 mi12:17:001:49:127:0217:09
7:04
#6390
30K
18.64 mi12:39:352:11:477:0422:35
7:16
#6235
20M
20.00 mi12:49:322:21:447:059:57
7:19
#6158
21M
21.00 mi12:57:182:29:307:077:46
7:46
#6114
35K
21.75 mi13:02:332:34:457:075:15
7:01
#6052
23M
23.00 mi13:11:402:43:527:079:07
7:17
#5955
24M
24.00 mi13:18:442:50:567:077:04
7:04
#5855
40K
24.85 mi13:25:002:57:127:086:16
7:20
#5806
25.2M
25.20 mi13:27:382:59:507:082:38
7:38
#5766
Finish
26.22 mi13:34:543:07:067:087:16
7:08
#5724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7997101010105849(Top 22%)501(Top 4%)501(Top 10%)
10K6.21 mi3.10 mi7135+862762+248762+2486329(Top 24%)599(Top 5%)599(Top 12%)
15K9.32 mi3.11 mi6688+447658+104658+1045849(Top 22%)501(Top 4%)501(Top 10%)
20K12.43 mi3.11 mi6477+211622+36622+366002(Top 23%)523(Top 5%)523(Top 11%)
Half13.11 mi0.68 mi6473+4625-3625-36646(Top 25%)658(Top 6%)658(Top 13%)
25K15.53 mi2.42 mi6390+83610+15610+155996(Top 23%)549(Top 5%)549(Top 11%)
30K18.64 mi3.11 mi6235+155588+22588+225877(Top 22%)589(Top 5%)589(Top 12%)
20M20.00 mi1.36 mi6158+77584+4584+45779(Top 22%)641(Top 6%)641(Top 13%)
21M21.00 mi1.00 mi6114+44583+1583+16020(Top 23%)804(Top 7%)804(Top 16%)
35K21.75 mi0.75 mi6052+62574+9574+95481(Top 21%)611(Top 5%)611(Top 13%)
23M23.00 mi1.25 mi5955+97564+10564+105239(Top 20%)598(Top 5%)598(Top 12%)
24M24.00 mi1.00 mi5855+100551+13551+135045(Top 19%)583(Top 5%)583(Top 12%)
40K24.85 mi0.85 mi5806+49550+1550+15666(Top 21%)856(Top 7%)856(Top 18%)
25.2M25.20 mi0.35 mi5766+40548+2548+24632(Top 17%)604(Top 5%)604(Top 12%)
Finish26.22 mi1.02 mi5724+42550-2550-26014(Top 23%)1061(Top 9%)1061(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5849

Females

501

F18-39

501

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6329

Females

599

F18-39

599

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5849

Females

501

F18-39

501

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6002

Females

523

F18-39

523

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6646

Females

658

F18-39

658

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

5996

Females

549

F18-39

549

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5877

Females

589

F18-39

589

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5779

Females

641

F18-39

641

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6020

Females

804

F18-39

804

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5481

Females

611

F18-39

611

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5239

Females

598

F18-39

598

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5045

Females

583

F18-39

583

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5666

Females

856

F18-39

856

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4632

Females

604

F18-39

604

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6014

Females

1061

F18-39

1061

Passing Analysis

Category:
Athletes Passed
2558
Passed By
285
Net Change
+2273
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7997
5K → 10K87715+862#7997#7135
10K → 15K4536+447#7135#6688
15K → 20K23524+211#6688#6477
20K → Half2218+4#6477#6473
Half → 25K11330+83#6473#6390
25K → 30K20146+155#6390#6235
30K → 20M10326+77#6235#6158
20M → 21M6925+44#6158#6114
21M → 35K719+62#6114#6052
35K → 23M11619+97#6052#5955
23M → 24M11010+100#5955#5855
24M → 40K7021+49#5855#5806
40K → 25.2M422+40#5806#5766
25.2M → Finish7634+42#5766#5724
TOTALS2558285+2273
📊

Passing Visuals

Category:
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