Boston Marathon logo
BOSTON MARATHON 2023

Melanie Swain

Bib: 23082•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:40
Rank: #22248
Start → 5K
29:40 | 9:33/mi
10K· 6.21 mi
1:00:14
Rank: #22890 (-642)
5K → 10K
30:34 | 9:50/mi
15K· 9.32 mi
1:30:00
Rank: #22742 (+148)
10K → 15K
29:46 | 9:35/mi
20K· 12.43 mi
2:01:28
Rank: #22864 (-122)
15K → 20K
31:28 | 10:08/mi
Half· 13.11 mi
2:10:09
Rank: #23266 (-402)
20K → Half
8:41 | 12:44/mi
25K· 15.53 mi
2:34:57
Rank: #23135 (+131)
Half → 25K
24:48 | 10:14/mi
30K· 18.64 mi
3:10:48
Rank: #23320 (-185)
25K → 30K
35:51 | 11:32/mi
20M
3:26:10
Rank: #23302 (+18)
30K → 20M
15:22 | 11:18/mi
21M
3:40:27
Rank: #23481 (-179)
20M → 21M
14:17 | 14:17/mi
35K· 21.75 mi
3:48:11
Rank: #23436 (+45)
21M → 35K
7:44 | 10:20/mi
23M
4:02:05
Rank: #23400 (+36)
35K → 23M
13:54 | 11:06/mi
24M
4:12:16
Rank: #23315 (+85)
23M → 24M
10:11 | 10:11/mi
40K· 24.85 mi
4:21:07
Rank: #23229 (+86)
24M → 40K
8:51 | 10:21/mi
25.2M
4:27:03
Rank: #23366 (-137)
40K → 25.2M
5:56 | 17:12/mi
Finish· 26.22 mi
4:37:05
Rank: #23299 (+67)
25.2M → Finish
10:02 | 9:51/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
Time2:10:09
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:26:56
Pace11:13 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3729:409:3329:40
9:33
-
10K
6.21 mi11:57:111:00:149:4230:34
9:50
+0:17
15K
9.32 mi12:26:571:30:009:3929:46
9:35
-0:15
20K
12.43 mi12:58:252:01:289:4631:28
10:08
+0:33
Half
13.11 mi13:07:062:10:099:568:41
12:44
+2:36
25K
15.53 mi13:31:542:34:579:5824:48
10:14
-2:30
30K
18.64 mi14:07:453:10:4810:1435:51
11:32
+1:18
20M
20.00 mi14:23:073:26:1010:1815:22
11:18
-0:14
21M
21.00 mi14:37:243:40:2710:3014:17
14:17
+2:59
35K
21.75 mi14:45:083:48:1110:307:44
10:20
-3:57
23M
23.00 mi14:59:024:02:0510:3213:54
11:06
+0:46
24M
24.00 mi15:09:134:12:1610:3110:11
10:11
-0:55
40K
24.85 mi15:18:044:21:0710:308:51
10:21
+0:10
25.2M
25.20 mi15:24:004:27:0310:365:56
17:12
+6:51
Finish
26.22 mi15:34:024:37:0510:3510:02
9:51
-7:21

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

9:33 /mi

Average Pace

10:35 /mi

Slowest Pace

17:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:32:20

77% of race

Time at Slower Pace

1:04:45

23% of race

Average Pace: 10:34 /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 mi11:26:3729:409:3329:40
9:33
#22248
10K
6.21 mi11:57:111:00:149:4230:34
9:50
#22890
15K
9.32 mi12:26:571:30:009:3929:46
9:35
#22742
20K
12.43 mi12:58:252:01:289:4631:28
10:08
#22864
Half
13.11 mi13:07:062:10:099:568:41
12:44
#23266
25K
15.53 mi13:31:542:34:579:5824:48
10:14
#23135
30K
18.64 mi14:07:453:10:4810:1435:51
11:32
#23320
20M
20.00 mi14:23:073:26:1010:1815:22
11:18
#23302
21M
21.00 mi14:37:243:40:2710:3014:17
14:17
#23481
35K
21.75 mi14:45:083:48:1110:307:44
10:20
#23436
23M
23.00 mi14:59:024:02:0510:3213:54
11:06
#23400
24M
24.00 mi15:09:134:12:1610:3110:11
10:11
#23315
40K
24.85 mi15:18:044:21:0710:308:51
10:21
#23229
25.2M
25.20 mi15:24:004:27:0310:365:56
17:12
#23366
Finish
26.22 mi15:34:024:37:0510:3510:02
9:51
#23299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi222489003900322481(Top 84%)9056(Top 79%)9056(Top 750%)
10K6.21 mi3.10 mi22890-6429299-2969299-29623362(Top 88%)9546(Top 84%)9546(Top 791%)
15K9.32 mi3.11 mi22742+1489204+959204+9522481(Top 84%)9056(Top 79%)9056(Top 750%)
20K12.43 mi3.11 mi22864-1229280-769280-7623160(Top 87%)9434(Top 83%)9434(Top 782%)
Half13.11 mi0.68 mi23266-4029496-2169496-21626259(Top 99%)11218(Top 98%)11218(Top 929%)
25K15.53 mi2.42 mi23135+1319430+669430+6622693(Top 85%)9216(Top 81%)9216(Top 764%)
30K18.64 mi3.11 mi23320-1859551-1219551-12123914(Top 90%)9969(Top 87%)9969(Top 826%)
20M20.00 mi1.36 mi23302+189551955123199(Top 87%)9626(Top 84%)9626(Top 798%)
21M21.00 mi1.00 mi23481-1799651-1009651-10025274(Top 95%)10746(Top 94%)10746(Top 890%)
35K21.75 mi0.75 mi23436+459633+189633+1822097(Top 83%)9110(Top 80%)9110(Top 755%)
23M23.00 mi1.25 mi23400+369631+29631+222552(Top 85%)9355(Top 82%)9355(Top 775%)
24M24.00 mi1.00 mi23315+859589+429589+4221309(Top 80%)8734(Top 76%)8734(Top 724%)
40K24.85 mi0.85 mi23229+869557+329557+3220891(Top 78%)8543(Top 75%)8543(Top 708%)
25.2M25.20 mi0.35 mi23366-1379638-819638-8126407(Top 99%)11347(Top 99%)11347(Top 940%)
Finish26.22 mi1.02 mi23299+679608+309608+3021325(Top 80%)8736(Top 76%)8736(Top 724%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22481

Females

9056

F50-54

9056

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23362

Females

9546

F50-54

9546

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22481

Females

9056

F50-54

9056

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23160

Females

9434

F50-54

9434

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26259

Females

11218

F50-54

11218

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22693

Females

9216

F50-54

9216

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23914

Females

9969

F50-54

9969

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23199

Females

9626

F50-54

9626

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

25274

Females

10746

F50-54

10746

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22097

Females

9110

F50-54

9110

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22552

Females

9355

F50-54

9355

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21309

Females

8734

F50-54

8734

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20891

Females

8543

F50-54

8543

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26407

Females

11347

F50-54

11347

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21325

Females

8736

F50-54

8736

Passing Analysis

Category:
Athletes Passed
1047
Passed By
2098
Net Change
-1051
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22248
5K → 10K53695-642#22248#22890
10K → 15K22880+148#22890#22742
15K → 20K91213-122#22742#22864
20K → Half0402-402#22864#23266
Half → 25K17039+131#23266#23135
25K → 30K63248-185#23135#23320
30K → 20M6143+18#23320#23302
20M → 21M6185-179#23302#23481
21M → 35K516+45#23481#23436
35K → 23M6428+36#23436#23400
23M → 24M905+85#23400#23315
24M → 40K937+86#23315#23229
40K → 25.2M2139-137#23229#23366
25.2M → Finish758+67#23366#23299
TOTALS10472098-1051
📊

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