Boston Marathon logo
BOSTON MARATHON 2023

Devon Moir

Bib: 14318•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:10:42
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:58:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:22:52
↑ 181↓ 1480.2%
20M
8:17/mi
2:34:08
↑ 64↓ 500.2%
21M
8:34/mi
2:42:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:48:27
↑ 17↓ 861.7%
23M
8:01/mi
2:58:29
↑ 23↓ 630.6%
24M
7:53/mi
3:06:22
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:13:22
↓ 200.3%
25.2M
8:42/mi
3:16:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:23:52
↑ 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
Time1:39:28
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2123:507:4023:50
7:40
-
10K
6.21 mi11:16:5447:237:3823:33
7:35
-0:05
15K
9.32 mi11:40:131:10:427:3523:19
7:30
-0:05
20K
12.43 mi12:03:491:34:187:3523:36
7:36
+0:06
Half
13.11 mi12:08:591:39:287:355:10
7:34
-0:02
25K
15.53 mi12:27:461:58:157:3718:47
7:45
+0:11
30K
18.64 mi12:52:232:22:527:4024:37
7:55
+0:10
20M
20.00 mi13:03:392:34:087:4211:16
8:17
+0:22
21M
21.00 mi13:12:132:42:427:458:34
8:34
+0:17
35K
21.75 mi13:17:582:48:277:455:45
7:41
-0:53
23M
23.00 mi13:28:002:58:297:4610:02
8:01
+0:20
24M
24.00 mi13:35:533:06:227:467:53
7:53
-0:08
40K
24.85 mi13:42:533:13:227:477:00
8:11
+0:18
25.2M
25.20 mi13:45:533:16:227:483:00
8:42
+0:31
Finish
26.22 mi13:53:233:23:527:477:30
7:22
-1:20

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

7:22 /mi

Average Pace

7:47 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:02

85% of race

Time at Steady Pace

26:50

13% of race

Time at Slower Pace

3:00

1% of race

Average Pace: 7:47 /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 mi10:53:2123:507:4023:50
7:40
#11205
10K
6.21 mi11:16:5447:237:3823:33
7:35
#11153
15K
9.32 mi11:40:131:10:427:3523:19
7:30
#10806
20K
12.43 mi12:03:491:34:187:3523:36
7:36
#10601
Half
13.11 mi12:08:591:39:287:355:10
7:34
#10615
25K
15.53 mi12:27:461:58:157:3718:47
7:45
#10592
30K
18.64 mi12:52:232:22:527:4024:37
7:55
#10473
20M
20.00 mi13:03:392:34:087:4211:16
8:17
#10610
21M
21.00 mi13:12:132:42:427:458:34
8:34
#10598
35K
21.75 mi13:17:582:48:277:455:45
7:41
#10540
23M
23.00 mi13:28:002:58:297:4610:02
8:01
#10480
24M
24.00 mi13:35:533:06:227:467:53
7:53
#10467
40K
24.85 mi13:42:533:13:227:477:00
8:11
#10482
25.2M
25.20 mi13:45:533:16:227:483:00
8:42
#10475
Finish
26.22 mi13:53:233:23:527:477:30
7:22
#10316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112052436243610232(Top 38%)1953(Top 17%)1953(Top 40%)
10K6.21 mi3.10 mi11153+522408+282408+2811149(Top 42%)2400(Top 21%)2400(Top 49%)
15K9.32 mi3.11 mi10806+3472236+1722236+17210232(Top 38%)1953(Top 17%)1953(Top 40%)
20K12.43 mi3.11 mi10601+2052125+1112125+11110079(Top 38%)1952(Top 17%)1952(Top 40%)
Half13.11 mi0.68 mi10615-142131-62131-610865(Top 41%)2294(Top 20%)2294(Top 47%)
25K15.53 mi2.42 mi10592+232142-112142-1110686(Top 40%)2328(Top 20%)2328(Top 48%)
30K18.64 mi3.11 mi10473+1192139+32139+310324(Top 39%)2314(Top 20%)2314(Top 47%)
20M20.00 mi1.36 mi10610-1372230-912230-9112303(Top 46%)3454(Top 30%)3454(Top 71%)
21M21.00 mi1.00 mi10598+122250-202250-2010885(Top 41%)2801(Top 25%)2801(Top 57%)
35K21.75 mi0.75 mi10540+582239+112239+119871(Top 37%)2296(Top 20%)2296(Top 47%)
23M23.00 mi1.25 mi10480+60223922399854(Top 37%)2438(Top 21%)2438(Top 50%)
24M24.00 mi1.00 mi10467+132265-262265-2610427(Top 39%)2793(Top 24%)2793(Top 57%)
40K24.85 mi0.85 mi10482-152303-382303-3811279(Top 42%)3288(Top 29%)3288(Top 67%)
25.2M25.20 mi0.35 mi10475+72305-22305-210790(Top 41%)3064(Top 27%)3064(Top 63%)
Finish26.22 mi1.02 mi10316+1592252+532252+537542(Top 28%)1647(Top 14%)1647(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10232

Females

1953

F18-39

1953

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11149

Females

2400

F18-39

2400

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10232

Females

1953

F18-39

1953

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10079

Females

1952

F18-39

1952

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10865

Females

2294

F18-39

2294

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10686

Females

2328

F18-39

2328

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10324

Females

2314

F18-39

2314

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12303

Females

3454

F18-39

3454

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10885

Females

2801

F18-39

2801

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9871

Females

2296

F18-39

2296

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9854

Females

2438

F18-39

2438

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10427

Females

2793

F18-39

2793

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11279

Females

3288

F18-39

3288

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10790

Females

3064

F18-39

3064

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7542

Females

1647

F18-39

1647

Passing Analysis

Category:
Athletes Passed
2044*
Passed By
1155
Net Change
+889
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11205
5K → 10K330278+52#11205#11153
10K → 15K40154+347#11153#10806
15K → 20K27570+205#10806#10601
20K → Half2842-14#10601#10615
Half → 25K140117+23#10615#10592
25K → 30K223104+119#10592#10473
30K → 20M38*175-137#10473#10610
20M → 21M7967+12#10610#10598
21M → 35K7719+58#10598#10540
35K → 23M10747+60#10540#10480
23M → 24M7764+13#10480#10467
24M → 40K6782-15#10467#10482
40K → 25.2M2821+7#10482#10475
25.2M → Finish17415+159#10475#10316
TOTALS2044*1155+889

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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