Boston Marathon logo
BOSTON MARATHON 2023

Amy Mcmann

Bib: 20377•F

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
8:37/mi
26:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:27
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:20:04
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:46:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:52:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:13:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:41:46
↑ 181↓ 1480.2%
20M
9:50/mi
2:55:08
↑ 64↓ 500.2%
21M
9:50/mi
3:04:58
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:12:42
↑ 17↓ 861.7%
23M
12:00/mi
3:27:44
↑ 23↓ 630.6%
24M
11:22/mi
3:39:06
↓ 821.3%
40K· 24.85 mi
11:43/mi
3:49:07
↓ 200.3%
25.2M
12:40/mi
3:53:29
↑ 13↓ 160.2%
Finish· 26.22 mi
12:03/mi
4:05:46
↑ 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
Time1:52:47
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:12:59
Pace10:09 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3226:478:3726:47
8:37
-
10K
6.21 mi11:50:1253:278:3626:40
8:35
-0:02
15K
9.32 mi12:16:491:20:048:3526:37
8:34
-0:01
20K
12.43 mi12:43:391:46:548:3626:50
8:38
+0:04
Half
13.11 mi12:49:321:52:478:365:53
8:37
-0:01
25K
15.53 mi13:10:312:13:468:3720:59
8:39
+0:02
30K
18.64 mi13:38:312:41:468:4128:00
9:01
+0:22
20M
20.00 mi13:51:532:55:088:4513:22
9:50
+0:49
21M
21.00 mi14:01:433:04:588:489:50
9:50
0:00
35K
21.75 mi14:09:273:12:428:527:44
10:20
+0:30
23M
23.00 mi14:24:293:27:449:0215:02
12:00
+1:40
24M
24.00 mi14:35:513:39:069:0811:22
11:22
-0:38
40K
24.85 mi14:45:523:49:079:1310:01
11:43
+0:21
25.2M
25.20 mi14:50:143:53:299:164:22
12:40
+0:57
Finish
26.22 mi15:02:314:05:469:2312:17
12:03
-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

8:34 /mi

Average Pace

9:23 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:46

66% of race

Time at Steady Pace

30:56

13% of race

Time at Slower Pace

53:04

22% of race

Average Pace: 9:22 /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 mi11:23:3226:478:3726:47
8:37
#18364
10K
6.21 mi11:50:1253:278:3626:40
8:35
#18536
15K
9.32 mi12:16:491:20:048:3526:37
8:34
#18434
20K
12.43 mi12:43:391:46:548:3626:50
8:38
#18221
Half
13.11 mi12:49:321:52:478:365:53
8:37
#18233
25K
15.53 mi13:10:312:13:468:3720:59
8:39
#18028
30K
18.64 mi13:38:312:41:468:4128:00
9:01
#17842
20M
20.00 mi13:51:532:55:088:4513:22
9:50
#18076
21M
21.00 mi14:01:433:04:588:489:50
9:50
#18011
35K
21.75 mi14:09:273:12:428:527:44
10:20
#18277
23M
23.00 mi14:24:293:27:449:0215:02
12:00
#18989
24M
24.00 mi14:35:513:39:069:0811:22
11:22
#19361
40K
24.85 mi14:45:523:49:079:1310:01
11:43
#19653
25.2M
25.20 mi14:50:143:53:299:164:22
12:40
#19765
Finish
26.22 mi15:02:314:05:469:2312:17
12:03
#20120
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi183646791679118260(Top 69%)6654(Top 58%)6654(Top 816%)
10K6.21 mi3.10 mi18536-1726850-596850-5918780(Top 71%)6950(Top 61%)6950(Top 853%)
15K9.32 mi3.11 mi18434+1026769+816769+8118260(Top 69%)6654(Top 58%)6654(Top 816%)
20K12.43 mi3.11 mi18221+2136643+1266643+12617740(Top 67%)6370(Top 56%)6370(Top 782%)
Half13.11 mi0.68 mi18233-126654-116654-1118531(Top 70%)6808(Top 60%)6808(Top 835%)
25K15.53 mi2.42 mi18028+2056550+1046550+10417150(Top 64%)6093(Top 53%)6093(Top 748%)
30K18.64 mi3.11 mi17842+1866466+846466+8417257(Top 65%)6221(Top 54%)6221(Top 763%)
20M20.00 mi1.36 mi18076-2346633-1676633-16719954(Top 75%)7828(Top 69%)7828(Top 960%)
21M21.00 mi1.00 mi18011+656598+356598+3517413(Top 65%)6445(Top 56%)6445(Top 791%)
35K21.75 mi0.75 mi18277-2666764-1666764-16622080(Top 83%)9093(Top 80%)9093(Top 1116%)
23M23.00 mi1.25 mi18989-7127175-4117175-41124010(Top 90%)10129(Top 89%)10129(Top 1243%)
24M24.00 mi1.00 mi19361-3727391-2167391-21623685(Top 89%)9989(Top 87%)9989(Top 1226%)
40K24.85 mi0.85 mi19653-2927578-1877578-18723527(Top 88%)9954(Top 87%)9954(Top 1221%)
25.2M25.20 mi0.35 mi19765-1127650-727650-7223531(Top 88%)9937(Top 87%)9937(Top 1219%)
Finish26.22 mi1.02 mi20120-3557874-2247874-22425275(Top 95%)10805(Top 95%)10805(Top 1326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18260

Females

6654

F55-59

6654

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18780

Females

6950

F55-59

6950

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18260

Females

6654

F55-59

6654

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17740

Females

6370

F55-59

6370

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18531

Females

6808

F55-59

6808

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17150

Females

6093

F55-59

6093

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17257

Females

6221

F55-59

6221

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19954

Females

7828

F55-59

7828

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17413

Females

6445

F55-59

6445

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22080

Females

9093

F55-59

9093

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

24010

Females

10129

F55-59

10129

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23685

Females

9989

F55-59

9989

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23527

Females

9954

F55-59

9954

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23531

Females

9937

F55-59

9937

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25275

Females

10805

F55-59

10805

Passing Analysis

Category:
Athletes Passed
1514
Passed By
3270
Net Change
-1756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18364
5K → 10K251423-172#18364#18536
10K → 15K227125+102#18536#18434
15K → 20K28067+213#18434#18221
20K → Half2436-12#18221#18233
Half → 25K24439+205#18233#18028
25K → 30K28498+186#18028#17842
30K → 20M36270-234#17842#18076
20M → 21M12459+65#18076#18011
21M → 35K8274-266#18011#18277
35K → 23M7719-712#18277#18989
23M → 24M15387-372#18989#19361
24M → 40K7299-292#19361#19653
40K → 25.2M3115-112#19653#19765
25.2M → Finish4359-355#19765#20120
TOTALS15143270-1756
📊

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