Boston Marathon logo
BOSTON MARATHON 2023

Melissa King

Bib: 15444•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:40:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
1:59:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:24:24
↑ 181↓ 1480.2%
20M
7:58/mi
2:35:14
↑ 64↓ 500.2%
21M
8:17/mi
2:43:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:49:18
↑ 17↓ 861.7%
23M
7:48/mi
2:59:04
↑ 23↓ 630.6%
24M
7:39/mi
3:06:43
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:13:16
↓ 200.3%
25.2M
8:07/mi
3:16:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:23:43
↑ 22↓ 21

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
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0424:057:4524:05
7:45
-
10K
6.21 mi11:39:2248:237:4724:18
7:49
+0:04
15K
9.32 mi12:02:481:11:497:4223:26
7:33
-0:16
20K
12.43 mi12:26:391:35:407:4223:51
7:41
+0:08
Half
13.11 mi12:31:491:40:507:415:10
7:34
-0:07
25K
15.53 mi12:50:531:59:547:4319:04
7:52
+0:18
30K
18.64 mi13:15:232:24:247:4524:30
7:53
+0:01
20M
20.00 mi13:26:132:35:147:4610:50
7:58
+0:05
21M
21.00 mi13:34:302:43:317:478:17
8:17
+0:19
35K
21.75 mi13:40:172:49:187:475:47
7:44
-0:33
23M
23.00 mi13:50:032:59:047:479:46
7:48
+0:04
24M
24.00 mi13:57:423:06:437:477:39
7:39
-0:09
40K
24.85 mi14:04:153:13:167:476:33
7:40
+0:01
25.2M
25.20 mi14:07:033:16:047:472:48
8:07
+0:27
Finish
26.22 mi14:14:423:23:437:477:39
7:30
-0:37

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

7:47 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:26

96% of race

Time at Steady Pace

8:17

4% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:0424:057:4524:05
7:45
#11939
10K
6.21 mi11:39:2248:237:4724:18
7:49
#12570
15K
9.32 mi12:02:481:11:497:4223:26
7:33
#11838
20K
12.43 mi12:26:391:35:407:4223:51
7:41
#11516
Half
13.11 mi12:31:491:40:507:415:10
7:34
#11473
25K
15.53 mi12:50:531:59:547:4319:04
7:52
#11451
30K
18.64 mi13:15:232:24:247:4524:30
7:53
#11144
20M
20.00 mi13:26:132:35:147:4610:50
7:58
#11035
21M
21.00 mi13:34:302:43:317:478:17
8:17
#10898
35K
21.75 mi13:40:172:49:187:475:47
7:44
#10852
23M
23.00 mi13:50:032:59:047:479:46
7:48
#10676
24M
24.00 mi13:57:423:06:437:477:39
7:39
#10590
40K
24.85 mi14:04:153:13:167:476:33
7:40
#10446
25.2M
25.20 mi14:07:033:16:047:472:48
8:07
#10375
Finish
26.22 mi14:14:423:23:437:477:39
7:30
#10276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi119392832283210538(Top 40%)2101(Top 18%)2101(Top 112%)
10K6.21 mi3.10 mi12570-6313192-3603192-36013325(Top 50%)3617(Top 32%)3617(Top 193%)
15K9.32 mi3.11 mi11838+7322803+3892803+38910538(Top 40%)2101(Top 18%)2101(Top 112%)
20K12.43 mi3.11 mi11516+3222630+1732630+17310740(Top 40%)2277(Top 20%)2277(Top 121%)
Half13.11 mi0.68 mi11473+432607+232607+2310863(Top 41%)2292(Top 20%)2292(Top 122%)
25K15.53 mi2.42 mi11451+222619-122619-1211641(Top 44%)2850(Top 25%)2850(Top 152%)
30K18.64 mi3.11 mi11144+3072490+1292490+12910037(Top 38%)2182(Top 19%)2182(Top 116%)
20M20.00 mi1.36 mi11035+1092455+352455+3510089(Top 38%)2271(Top 20%)2271(Top 121%)
21M21.00 mi1.00 mi10898+1372410+452410+459167(Top 34%)1999(Top 17%)1999(Top 106%)
35K21.75 mi0.75 mi10852+462400+102400+1010178(Top 38%)2447(Top 21%)2447(Top 130%)
23M23.00 mi1.25 mi10676+1762344+562344+568452(Top 32%)1779(Top 16%)1779(Top 95%)
24M24.00 mi1.00 mi10590+862323+212323+218793(Top 33%)2005(Top 18%)2005(Top 107%)
40K24.85 mi0.85 mi10446+1442281+422281+427761(Top 29%)1668(Top 15%)1668(Top 89%)
25.2M25.20 mi0.35 mi10375+712259+222259+227312(Top 27%)1556(Top 14%)1556(Top 83%)
Finish26.22 mi1.02 mi10276+992235+242235+248633(Top 32%)2083(Top 18%)2083(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10538

Females

2101

F40-44

2101

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13325

Females

3617

F40-44

3617

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10538

Females

2101

F40-44

2101

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10740

Females

2277

F40-44

2277

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10863

Females

2292

F40-44

2292

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11641

Females

2850

F40-44

2850

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10037

Females

2182

F40-44

2182

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10089

Females

2271

F40-44

2271

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9167

Females

1999

F40-44

1999

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10178

Females

2447

F40-44

2447

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8452

Females

1779

F40-44

1779

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8793

Females

2005

F40-44

2005

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7761

Females

1668

F40-44

1668

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7312

Females

1556

F40-44

1556

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8633

Females

2083

F40-44

2083

Passing Analysis

Category:
Athletes Passed
2797*
Passed By
1134
Net Change
+1663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11939
5K → 10K110741-631#11939#12570
10K → 15K74513+732#12570#11838
15K → 20K35836+322#11838#11516
20K → Half5613+43#11516#11473
Half → 25K127105+22#11473#11451
25K → 30K35851+307#11451#11144
30K → 20M145*36+109#11144#11035
20M → 21M16023+137#11035#10898
21M → 35K7024+46#10898#10852
35K → 23M19115+176#10852#10676
23M → 24M11529+86#10676#10590
24M → 40K15814+144#10590#10446
40K → 25.2M776+71#10446#10375
25.2M → Finish12728+99#10375#10276
TOTALS2797*1134+1663

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

📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing