Boston Marathon logo
BOSTON MARATHON 2023

Melissa Johnson

Bib: 24052•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:17
Rank: #23599
Start → 5K
31:17 | 10:04/mi
10K· 6.21 mi
1:02:45
Rank: #23849 (-250)
5K → 10K
31:28 | 10:08/mi
15K· 9.32 mi
1:34:04
Rank: #23792 (+57)
10K → 15K
31:19 | 10:05/mi
20K· 12.43 mi
2:05:05
Rank: #23568 (+224)
15K → 20K
31:01 | 9:59/mi
Half· 13.11 mi
2:11:58
Rank: #23556 (+12)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:35:56
Rank: #23290 (+266)
Half → 25K
23:58 | 9:53/mi
30K· 18.64 mi
3:08:04
Rank: #23011 (+279)
25K → 30K
32:08 | 10:21/mi
20M
3:21:59
Rank: #22855 (+156)
30K → 20M
13:55 | 10:14/mi
21M
3:32:28
Rank: #22703 (+152)
20M → 21M
10:29 | 10:29/mi
35K· 21.75 mi
3:39:42
Rank: #22614 (+89)
21M → 35K
7:14 | 9:40/mi
23M
3:51:59
Rank: #22454 (+160)
35K → 23M
12:17 | 9:49/mi
24M
4:01:30
Rank: #22353 (+101)
23M → 24M
9:31 | 9:31/mi
40K· 24.85 mi
4:09:51
Rank: #22239 (+114)
24M → 40K
8:21 | 9:46/mi
25.2M
4:13:29
Rank: #22196 (+43)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:23:06
Rank: #22114 (+82)
25.2M → Finish
9:37 | 9:26/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 Half⚖️ Balanced
Distance13.11 mi
Time2:11:58
Pace10:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:11:08
Pace10:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4231:1710:0431:17
10:04
-
10K
6.21 mi12:26:101:02:4510:0631:28
10:08
+0:04
15K
9.32 mi12:57:291:34:0410:0631:19
10:05
-0:03
20K
12.43 mi13:28:302:05:0510:0431:01
9:59
-0:06
Half
13.11 mi13:35:232:11:5810:046:53
10:05
+0:06
25K
15.53 mi13:59:212:35:5610:0223:58
9:53
-0:12
30K
18.64 mi14:31:293:08:0410:0532:08
10:21
+0:28
20M
20.00 mi14:45:243:21:5910:0613:55
10:14
-0:07
21M
21.00 mi14:55:533:32:2810:0710:29
10:29
+0:15
35K
21.75 mi15:03:073:39:4210:067:14
9:40
-0:49
23M
23.00 mi15:15:243:51:5910:0512:17
9:49
+0:09
24M
24.00 mi15:24:554:01:3010:049:31
9:31
-0:18
40K
24.85 mi15:33:164:09:5110:038:21
9:46
+0:15
25.2M
25.20 mi15:36:544:13:2910:043:38
10:32
+0:46
Finish
26.22 mi15:46:314:23:0610:039:37
9:26
-1:06

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

9:26 /mi

Average Pace

10:03 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:08:59

95% of race

Time at Steady Pace

14:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:02 /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 mi11:54:4231:1710:0431:17
10:04
#23599
10K
6.21 mi12:26:101:02:4510:0631:28
10:08
#23849
15K
9.32 mi12:57:291:34:0410:0631:19
10:05
#23792
20K
12.43 mi13:28:302:05:0510:0431:01
9:59
#23568
Half
13.11 mi13:35:232:11:5810:046:53
10:05
#23556
25K
15.53 mi13:59:212:35:5610:0223:58
9:53
#23290
30K
18.64 mi14:31:293:08:0410:0532:08
10:21
#23011
20M
20.00 mi14:45:243:21:5910:0613:55
10:14
#22855
21M
21.00 mi14:55:533:32:2810:0710:29
10:29
#22703
35K
21.75 mi15:03:073:39:4210:067:14
9:40
#22614
23M
23.00 mi15:15:243:51:5910:0512:17
9:49
#22454
24M
24.00 mi15:24:554:01:3010:049:31
9:31
#22353
40K
24.85 mi15:33:164:09:5110:038:21
9:46
#22239
25.2M
25.20 mi15:36:544:13:2910:043:38
10:32
#22196
Finish
26.22 mi15:46:314:23:0610:039:37
9:26
#22114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi235999699969923663(Top 89%)9699(Top 85%)9699(Top 1840%)
10K6.21 mi3.10 mi23849-2509812-1139812-11323975(Top 90%)9875(Top 86%)9875(Top 1874%)
15K9.32 mi3.11 mi23792+579776+369776+3623663(Top 89%)9699(Top 85%)9699(Top 1840%)
20K12.43 mi3.11 mi23568+2249643+1339643+13322865(Top 86%)9285(Top 81%)9285(Top 1762%)
Half13.11 mi0.68 mi23556+129638+59638+523459(Top 88%)9605(Top 84%)9605(Top 1823%)
25K15.53 mi2.42 mi23290+2669508+1309508+13021962(Top 82%)8814(Top 77%)8814(Top 1672%)
30K18.64 mi3.11 mi23011+2799385+1239385+12321877(Top 82%)8835(Top 77%)8835(Top 1676%)
20M20.00 mi1.36 mi22855+1569322+639322+6321131(Top 79%)8489(Top 74%)8489(Top 1611%)
21M21.00 mi1.00 mi22703+1529250+729250+7219575(Top 74%)7693(Top 67%)7693(Top 1460%)
35K21.75 mi0.75 mi22614+899216+349216+3420409(Top 77%)8183(Top 72%)8183(Top 1553%)
23M23.00 mi1.25 mi22454+1609128+889128+8819475(Top 73%)7671(Top 67%)7671(Top 1456%)
24M24.00 mi1.00 mi22353+1019076+529076+5219297(Top 72%)7622(Top 67%)7622(Top 1446%)
40K24.85 mi0.85 mi22239+1149017+599017+5919316(Top 73%)7674(Top 67%)7674(Top 1456%)
25.2M25.20 mi0.35 mi22196+438999+188999+1819283(Top 72%)7678(Top 67%)7678(Top 1457%)
Finish26.22 mi1.02 mi22114+828968+318968+3119929(Top 75%)7962(Top 70%)7962(Top 1511%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23663

Females

9699

F60-64

9699

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23975

Females

9875

F60-64

9875

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23663

Females

9699

F60-64

9699

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22865

Females

9285

F60-64

9285

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23459

Females

9605

F60-64

9605

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21962

Females

8814

F60-64

8814

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21877

Females

8835

F60-64

8835

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21131

Females

8489

F60-64

8489

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19575

Females

7693

F60-64

7693

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20409

Females

8183

F60-64

8183

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19475

Females

7671

F60-64

7671

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19297

Females

7622

F60-64

7622

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19316

Females

7674

F60-64

7674

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19283

Females

7678

F60-64

7678

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19929

Females

7962

F60-64

7962

Passing Analysis

Category:
Athletes Passed
2019
Passed By
534
Net Change
+1485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23599
5K → 10K101351-250#23599#23849
10K → 15K14083+57#23849#23792
15K → 20K25228+224#23792#23568
20K → Half3119+12#23568#23556
Half → 25K2704+266#23556#23290
25K → 30K29920+279#23290#23011
30K → 20M1659+156#23011#22855
20M → 21M1564+152#22855#22703
21M → 35K901+89#22703#22614
35K → 23M1633+160#22614#22454
23M → 24M1054+101#22454#22353
24M → 40K1151+114#22353#22239
40K → 25.2M452+43#22239#22196
25.2M → Finish875+82#22196#22114
TOTALS2019534+1485
📊

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