Boston Marathon logo
BOSTON MARATHON 2023

Magan Mccusker

Bib: 16921•F

ME

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:11/mi
25:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:15:46
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:41:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:46:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:08:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:12
↑ 181↓ 1480.2%
20M
9:15/mi
2:47:46
↑ 64↓ 500.2%
21M
9:54/mi
2:57:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
3:04:25
↑ 17↓ 861.7%
23M
10:18/mi
3:17:19
↑ 23↓ 630.6%
24M
9:39/mi
3:26:58
↓ 821.3%
40K· 24.85 mi
10:01/mi
3:35:32
↓ 200.3%
25.2M
9:49/mi
3:38:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
3:48:08
↑ 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
Time1:46:43
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time2:01:25
Pace9:16 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2425:278:1125:27
8:11
-
10K
6.21 mi11:41:3950:428:1025:15
8:08
-0:03
15K
9.32 mi12:06:431:15:468:0825:04
8:04
-0:04
20K
12.43 mi12:32:061:41:098:0825:23
8:10
+0:06
Half
13.11 mi12:37:401:46:438:085:34
8:10
0:00
25K
15.53 mi12:59:022:08:058:1521:22
8:49
+0:39
30K
18.64 mi13:26:092:35:128:2027:07
8:44
-0:05
20M
20.00 mi13:38:432:47:468:2312:34
9:15
+0:31
21M
21.00 mi13:48:372:57:408:289:54
9:54
+0:39
35K
21.75 mi13:55:223:04:258:296:45
9:01
-0:53
23M
23.00 mi14:08:163:17:198:3512:54
10:18
+1:17
24M
24.00 mi14:17:553:26:588:379:39
9:39
-0:39
40K
24.85 mi14:26:293:35:328:408:34
10:01
+0:22
25.2M
25.20 mi14:29:523:38:558:413:23
9:49
-0:12
Finish
26.22 mi14:39:053:48:088:429:13
9:03
-0:46

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

8:04 /mi

Average Pace

8:42 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:43

47% of race

Time at Steady Pace

1:17:01

34% of race

Time at Slower Pace

44:24

19% of race

Average Pace: 8:42 /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 mi11:16:2425:278:1125:27
8:11
#15428
10K
6.21 mi11:41:3950:428:1025:15
8:08
#15540
15K
9.32 mi12:06:431:15:468:0825:04
8:04
#15336
20K
12.43 mi12:32:061:41:098:0825:23
8:10
#15169
Half
13.11 mi12:37:401:46:438:085:34
8:10
#15183
25K
15.53 mi12:59:022:08:058:1521:22
8:49
#15657
30K
18.64 mi13:26:092:35:128:2027:07
8:44
#15650
20M
20.00 mi13:38:432:47:468:2312:34
9:15
#15812
21M
21.00 mi13:48:372:57:408:289:54
9:54
#15935
35K
21.75 mi13:55:223:04:258:296:45
9:01
#16010
23M
23.00 mi14:08:163:17:198:3512:54
10:18
#16452
24M
24.00 mi14:17:553:26:588:379:39
9:39
#16651
40K
24.85 mi14:26:293:35:328:408:34
10:01
#16829
25.2M
25.20 mi14:29:523:38:558:413:23
9:49
#16826
Finish
26.22 mi14:39:053:48:088:429:13
9:03
#16892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154284922492214967(Top 56%)4663(Top 41%)4663(Top 95%)
10K6.21 mi3.10 mi15540-1124994-724994-7215742(Top 59%)5109(Top 45%)5109(Top 105%)
15K9.32 mi3.11 mi15336+2044877+1174877+11714967(Top 56%)4663(Top 41%)4663(Top 95%)
20K12.43 mi3.11 mi15169+1674788+894788+8914765(Top 55%)4570(Top 40%)4570(Top 94%)
Half13.11 mi0.68 mi15183-144797-94797-915586(Top 59%)5058(Top 44%)5058(Top 104%)
25K15.53 mi2.42 mi15657-4745123-3265123-32618028(Top 68%)6563(Top 57%)6563(Top 134%)
30K18.64 mi3.11 mi15650+75153-305153-3015673(Top 59%)5317(Top 47%)5317(Top 109%)
20M20.00 mi1.36 mi15812-1625282-1295282-12917797(Top 67%)6631(Top 58%)6631(Top 136%)
21M21.00 mi1.00 mi15935-1235377-955377-9517661(Top 66%)6560(Top 57%)6560(Top 134%)
35K21.75 mi0.75 mi16010-755442-655442-6518009(Top 68%)6840(Top 60%)6840(Top 140%)
23M23.00 mi1.25 mi16452-4425703-2615703-26120833(Top 78%)8422(Top 74%)8422(Top 172%)
24M24.00 mi1.00 mi16651-1995834-1315834-13119729(Top 74%)7820(Top 68%)7820(Top 160%)
40K24.85 mi0.85 mi16829-1785963-1295963-12920023(Top 75%)8065(Top 71%)8065(Top 165%)
25.2M25.20 mi0.35 mi16826+35960+35960+316632(Top 62%)6221(Top 54%)6221(Top 127%)
Finish26.22 mi1.02 mi16892-666017-576017-5718193(Top 68%)7000(Top 61%)7000(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14967

Females

4663

F18-39

4663

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15742

Females

5109

F18-39

5109

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14967

Females

4663

F18-39

4663

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14765

Females

4570

F18-39

4570

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15586

Females

5058

F18-39

5058

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18028

Females

6563

F18-39

6563

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15673

Females

5317

F18-39

5317

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17797

Females

6631

F18-39

6631

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17661

Females

6560

F18-39

6560

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18009

Females

6840

F18-39

6840

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20833

Females

8422

F18-39

8422

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19729

Females

7820

F18-39

7820

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20023

Females

8065

F18-39

8065

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16632

Females

6221

F18-39

6221

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18193

Females

7000

F18-39

7000

Passing Analysis

Category:
Athletes Passed
1298
Passed By
2762
Net Change
-1464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15428
5K → 10K237349-112#15428#15540
10K → 15K305101+204#15540#15336
15K → 20K25285+167#15336#15169
20K → Half3549-14#15169#15183
Half → 25K40514-474#15183#15657
25K → 30K172165+7#15657#15650
30K → 20M44206-162#15650#15812
20M → 21M52175-123#15812#15935
21M → 35K32107-75#15935#16010
35K → 23M11453-442#16010#16452
23M → 24M20219-199#16452#16651
24M → 40K20198-178#16651#16829
40K → 25.2M3330+3#16829#16826
25.2M → Finish45111-66#16826#16892
TOTALS12982762-1464
📊

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