Boston Marathon logo
BOSTON MARATHON 2023

Melissa Kapels

Bib: 7343•F

NE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #10030
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
47:02
Rank: #10646 (-616)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:10:20
Rank: #10472 (+174)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:34:00
Rank: #10388 (+84)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:39:23
Rank: #10553 (-165)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
1:58:20
Rank: #10633 (-80)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:24:03
Rank: #10984 (-351)
25K → 30K
25:43 | 8:17/mi
20M
2:35:32
Rank: #11163 (-179)
30K → 20M
11:29 | 8:27/mi
21M
2:44:10
Rank: #11140 (+23)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:50:15
Rank: #11216 (-76)
21M → 35K
6:05 | 8:08/mi
23M
3:00:47
Rank: #11301 (-85)
35K → 23M
10:32 | 8:25/mi
24M
3:09:13
Rank: #11447 (-146)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:16:25
Rank: #11511 (-64)
24M → 40K
7:12 | 8:25/mi
25.2M
3:19:25
Rank: #11476 (+35)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:27:17
Rank: #11398 (+78)
25.2M → Finish
7:52 | 7:43/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
Time1:39:23
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:47:54
Pace8:14 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5023:267:3323:26
7:33
-
10K
6.21 mi10:52:2647:027:3423:36
7:36
+0:03
15K
9.32 mi11:15:441:10:207:3323:18
7:30
-0:06
20K
12.43 mi11:39:241:34:007:3423:40
7:37
+0:07
Half
13.11 mi11:44:471:39:237:355:23
7:53
+0:16
25K
15.53 mi12:03:441:58:207:3718:57
7:49
-0:04
30K
18.64 mi12:29:272:24:037:4425:43
8:17
+0:28
20M
20.00 mi12:40:562:35:327:4711:29
8:27
+0:10
21M
21.00 mi12:49:342:44:107:498:38
8:38
+0:11
35K
21.75 mi12:55:392:50:157:506:05
8:08
-0:30
23M
23.00 mi13:06:113:00:477:5210:32
8:25
+0:17
24M
24.00 mi13:14:373:09:137:538:26
8:26
+0:01
40K
24.85 mi13:21:493:16:257:547:12
8:25
-0:01
25.2M
25.20 mi13:24:493:19:257:553:00
8:42
+0:17
Finish
26.22 mi13:32:413:27:177:557:52
7:43
-0:59

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

7:30 /mi

Average Pace

7:55 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:17

64% of race

Time at Steady Pace

1:15:00

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10:28:5023:267:3323:26
7:33
#10030
10K
6.21 mi10:52:2647:027:3423:36
7:36
#10646
15K
9.32 mi11:15:441:10:207:3323:18
7:30
#10472
20K
12.43 mi11:39:241:34:007:3423:40
7:37
#10388
Half
13.11 mi11:44:471:39:237:355:23
7:53
#10553
25K
15.53 mi12:03:441:58:207:3718:57
7:49
#10633
30K
18.64 mi12:29:272:24:037:4425:43
8:17
#10984
20M
20.00 mi12:40:562:35:327:4711:29
8:27
#11163
21M
21.00 mi12:49:342:44:107:498:38
8:38
#11140
35K
21.75 mi12:55:392:50:157:506:05
8:08
#11216
23M
23.00 mi13:06:113:00:477:5210:32
8:25
#11301
24M
24.00 mi13:14:373:09:137:538:26
8:26
#11447
40K
24.85 mi13:21:493:16:257:547:12
8:25
#11511
25.2M
25.20 mi13:24:493:19:257:553:00
8:42
#11476
Finish
26.22 mi13:32:413:27:177:557:52
7:43
#11398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi100301879187910191(Top 38%)1935(Top 17%)1935(Top 40%)
10K6.21 mi3.10 mi10646-6162144-2652144-26511311(Top 42%)2501(Top 22%)2501(Top 51%)
15K9.32 mi3.11 mi10472+1742049+952049+9510191(Top 38%)1935(Top 17%)1935(Top 40%)
20K12.43 mi3.11 mi10388+842016+332016+3310236(Top 38%)2021(Top 18%)2021(Top 41%)
Half13.11 mi0.68 mi10553-1652094-782094-7813510(Top 51%)3786(Top 33%)3786(Top 78%)
25K15.53 mi2.42 mi10633-802165-712165-7111248(Top 42%)2624(Top 23%)2624(Top 54%)
30K18.64 mi3.11 mi10984-3512397-2322397-23212881(Top 48%)3679(Top 32%)3679(Top 75%)
20M20.00 mi1.36 mi11163-1792523-1262523-12613336(Top 50%)4027(Top 35%)4027(Top 82%)
21M21.00 mi1.00 mi11140+232528-52528-511276(Top 42%)3015(Top 26%)3015(Top 62%)
35K21.75 mi0.75 mi11216-762586-582586-5813005(Top 49%)3991(Top 35%)3991(Top 82%)
23M23.00 mi1.25 mi11301-852660-742660-7412668(Top 48%)3881(Top 34%)3881(Top 79%)
24M24.00 mi1.00 mi11447-1462761-1012761-10114079(Top 53%)4706(Top 41%)4706(Top 96%)
40K24.85 mi0.85 mi11511-642821-602821-6012844(Top 48%)4117(Top 36%)4117(Top 84%)
25.2M25.20 mi0.35 mi11476+352811+102811+1010808(Top 41%)3082(Top 27%)3082(Top 63%)
Finish26.22 mi1.02 mi11398+782794+172794+1710125(Top 38%)2756(Top 24%)2756(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10191

Females

1935

F18-39

1935

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11311

Females

2501

F18-39

2501

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10191

Females

1935

F18-39

1935

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10236

Females

2021

F18-39

2021

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13510

Females

3786

F18-39

3786

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11248

Females

2624

F18-39

2624

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12881

Females

3679

F18-39

3679

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13336

Females

4027

F18-39

4027

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11276

Females

3015

F18-39

3015

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13005

Females

3991

F18-39

3991

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12668

Females

3881

F18-39

3881

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14079

Females

4706

F18-39

4706

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12844

Females

4117

F18-39

4117

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10808

Females

3082

F18-39

3082

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10125

Females

2756

F18-39

2756

Passing Analysis

Category:
Athletes Passed
1240
Passed By
2607
Net Change
-1368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10030
5K → 10K90705-616#10030#10646
10K → 15K295121+174#10646#10472
15K → 20K184100+84#10472#10388
20K → Half3168-165#10388#10553
Half → 25K99179-80#10553#10633
25K → 30K90441-351#10633#10984
30K → 20M48227-179#10984#11163
20M → 21M10380+23#11163#11140
21M → 35K2399-76#11140#11216
35K → 23M66151-85#11216#11301
23M → 24M27173-146#11301#11447
24M → 40K47111-64#11447#11511
40K → 25.2M5217+35#11511#11476
25.2M → Finish11335+78#11476#11398
TOTALS12402607-1368
📊

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