Boston Marathon logo
BOSTON MARATHON 2023

Melissa Morgan

Bib: 10941•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:06:48
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:29:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:51:14
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:14:32
↑ 181↓ 1480.2%
20M
7:36/mi
2:24:51
↑ 64↓ 500.2%
21M
8:15/mi
2:33:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:38:49
↑ 17↓ 861.7%
23M
8:22/mi
2:49:18
↑ 23↓ 630.6%
24M
8:52/mi
2:58:10
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:05:18
↓ 200.3%
25.2M
8:42/mi
3:08:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:16:28
↑ 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
Time1:33:51
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3322:277:1422:27
7:14
-
10K
6.21 mi11:10:4244:367:1122:09
7:08
-0:06
15K
9.32 mi11:32:541:06:487:1022:12
7:09
+0:01
20K
12.43 mi11:55:071:29:017:1022:13
7:09
0:00
Half
13.11 mi11:59:571:33:517:104:50
7:05
-0:04
25K
15.53 mi12:17:201:51:147:1017:23
7:10
+0:05
30K
18.64 mi12:40:382:14:327:1323:18
7:30
+0:20
20M
20.00 mi12:50:572:24:517:1510:19
7:36
+0:06
21M
21.00 mi12:59:122:33:067:178:15
8:15
+0:39
35K
21.75 mi13:04:552:38:497:185:43
7:38
-0:37
23M
23.00 mi13:15:242:49:187:2210:29
8:22
+0:44
24M
24.00 mi13:24:162:58:107:258:52
8:52
+0:30
40K
24.85 mi13:31:243:05:187:277:08
8:21
-0:31
25.2M
25.20 mi13:34:243:08:187:283:00
8:42
+0:21
Finish
26.22 mi13:42:343:16:287:308:10
8:01
-0:41

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

7:05 /mi

Average Pace

7:30 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:14

57% of race

Time at Steady Pace

39:20

20% of race

Time at Slower Pace

45:54

23% of race

Average Pace: 7:30 /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 mi10:48:3322:277:1422:27
7:14
#7671
10K
6.21 mi11:10:4244:367:1122:09
7:08
#7621
15K
9.32 mi11:32:541:06:487:1022:12
7:09
#7543
20K
12.43 mi11:55:071:29:017:1022:13
7:09
#7298
Half
13.11 mi11:59:571:33:517:104:50
7:05
#7284
25K
15.53 mi12:17:201:51:147:1017:23
7:10
#7129
30K
18.64 mi12:40:382:14:327:1323:18
7:30
#7086
20M
20.00 mi12:50:572:24:517:1510:19
7:36
#7065
21M
21.00 mi12:59:122:33:067:178:15
8:15
#7121
35K
21.75 mi13:04:552:38:497:185:43
7:38
#7191
23M
23.00 mi13:15:242:49:187:2210:29
8:22
#7411
24M
24.00 mi13:24:162:58:107:258:52
8:52
#7817
40K
24.85 mi13:31:243:05:187:277:08
8:21
#7962
25.2M
25.20 mi13:34:243:08:187:283:00
8:42
#7993
Finish
26.22 mi13:42:343:16:287:308:10
8:01
#8151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76719029027459(Top 28%)883(Top 8%)883(Top 18%)
10K6.21 mi3.10 mi7621+50890+12890+127632(Top 29%)933(Top 8%)933(Top 19%)
15K9.32 mi3.11 mi7543+78888+2888+27459(Top 28%)883(Top 8%)883(Top 18%)
20K12.43 mi3.11 mi7298+245825+63825+636827(Top 26%)737(Top 6%)737(Top 15%)
Half13.11 mi0.68 mi7284+14823+2823+27125(Top 27%)817(Top 7%)817(Top 17%)
25K15.53 mi2.42 mi7129+155794+29794+296516(Top 24%)701(Top 6%)701(Top 14%)
30K18.64 mi3.11 mi7086+43801-7801-77226(Top 27%)1009(Top 9%)1009(Top 21%)
20M20.00 mi1.36 mi7065+21802-1802-17461(Top 28%)1200(Top 11%)1200(Top 25%)
21M21.00 mi1.00 mi7121-56834-32834-328924(Top 34%)1886(Top 17%)1886(Top 39%)
35K21.75 mi0.75 mi7191-70874-40874-409575(Top 36%)2160(Top 19%)2160(Top 44%)
23M23.00 mi1.25 mi7411-220979-105979-10512398(Top 47%)3728(Top 33%)3728(Top 76%)
24M24.00 mi1.00 mi7817-4061140-1611140-16116579(Top 62%)6109(Top 53%)6109(Top 125%)
40K24.85 mi0.85 mi7962-1451208-681208-6812331(Top 46%)3831(Top 34%)3831(Top 78%)
25.2M25.20 mi0.35 mi7993-311235-271235-2710762(Top 40%)3036(Top 27%)3036(Top 62%)
Finish26.22 mi1.02 mi8151-1581310-751310-7512229(Top 46%)3813(Top 33%)3813(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7459

Females

883

F18-39

883

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7632

Females

933

F18-39

933

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7459

Females

883

F18-39

883

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6827

Females

737

F18-39

737

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7125

Females

817

F18-39

817

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6516

Females

701

F18-39

701

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7226

Females

1009

F18-39

1009

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7461

Females

1200

F18-39

1200

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8924

Females

1886

F18-39

1886

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9575

Females

2160

F18-39

2160

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12398

Females

3728

F18-39

3728

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16579

Females

6109

F18-39

6109

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12331

Females

3831

F18-39

3831

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10762

Females

3036

F18-39

3036

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12229

Females

3813

F18-39

3813

Passing Analysis

Category:
Athletes Passed
1259
Passed By
1739
Net Change
-480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7671
5K → 10K248198+50#7671#7621
10K → 15K17395+78#7621#7543
15K → 20K26116+245#7543#7298
20K → Half2713+14#7298#7284
Half → 25K17116+155#7284#7129
25K → 30K14097+43#7129#7086
30K → 20M6645+21#7086#7065
20M → 21M45101-56#7065#7121
21M → 35K1888-70#7121#7191
35K → 23M33253-220#7191#7411
23M → 24M11417-406#7411#7817
24M → 40K26171-145#7817#7962
40K → 25.2M1849-31#7962#7993
25.2M → Finish22180-158#7993#8151
TOTALS12591739-480
📊

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