Boston Marathon logo
BOSTON MARATHON 2023

Barrie Lyell

Bib: 16527•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
43:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:05:59
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:28:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:33:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:51:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:20/mi
2:13:54
↑ 181↓ 1480.2%
20M
6:59/mi
2:23:24
↑ 64↓ 500.2%
21M
7:29/mi
2:30:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:36:16
↑ 17↓ 861.7%
23M
7:18/mi
2:45:24
↑ 23↓ 630.6%
24M
7:05/mi
2:52:29
↓ 821.3%
40K· 24.85 mi
7:09/mi
2:58:36
↓ 200.3%
25.2M
7:50/mi
3:01:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:08:29
↑ 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
Time1:33:28
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0621:547:0321:54
7:03
-
10K
6.21 mi11:33:5643:447:0221:50
7:02
-0:01
15K
9.32 mi11:56:111:05:597:0522:15
7:10
+0:08
20K
12.43 mi12:18:491:28:377:0822:38
7:17
+0:07
Half
13.11 mi12:23:401:33:287:084:51
7:07
-0:10
25K
15.53 mi12:41:181:51:067:0917:38
7:16
+0:09
30K
18.64 mi13:04:062:13:547:1122:48
7:20
+0:04
20M
20.00 mi13:13:362:23:247:109:30
6:59
-0:21
21M
21.00 mi13:21:052:30:537:117:29
7:29
+0:30
35K
21.75 mi13:26:282:36:167:115:23
7:12
-0:17
23M
23.00 mi13:35:362:45:247:119:08
7:18
+0:06
24M
24.00 mi13:42:412:52:297:117:05
7:05
-0:13
40K
24.85 mi13:48:482:58:367:116:07
7:09
+0:04
25.2M
25.20 mi13:51:303:01:187:122:42
7:50
+0:41
Finish
26.22 mi13:58:413:08:297:127:11
7:03
-0:47

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

6:59 /mi

Average Pace

7:12 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:47

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi11:12:0621:547:0321:54
7:03
#6567
10K
6.21 mi11:33:5643:447:0221:50
7:02
#6734
15K
9.32 mi11:56:111:05:597:0522:15
7:10
#6978
20K
12.43 mi12:18:491:28:377:0822:38
7:17
#7101
Half
13.11 mi12:23:401:33:287:084:51
7:07
#7113
25K
15.53 mi12:41:181:51:067:0917:38
7:16
#7067
30K
18.64 mi13:04:062:13:547:1122:48
7:20
#6895
20M
20.00 mi13:13:362:23:247:109:30
6:59
#6647
21M
21.00 mi13:21:052:30:537:117:29
7:29
#6492
35K
21.75 mi13:26:282:36:167:115:23
7:12
#6460
23M
23.00 mi13:35:362:45:247:119:08
7:18
#6354
24M
24.00 mi13:42:412:52:297:117:05
7:05
#6240
40K
24.85 mi13:48:482:58:367:116:07
7:09
#6146
25.2M
25.20 mi13:51:303:01:187:122:42
7:50
#6121
Finish
26.22 mi13:58:413:08:297:127:11
7:03
#6049
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65676226227540(Top 28%)906(Top 8%)906(Top 19%)
10K6.21 mi3.10 mi6734-167660-38660-387017(Top 26%)754(Top 7%)754(Top 15%)
15K9.32 mi3.11 mi6978-244736-76736-767540(Top 28%)906(Top 8%)906(Top 19%)
20K12.43 mi3.11 mi7101-123770-34770-347679(Top 29%)988(Top 9%)988(Top 20%)
Half13.11 mi0.68 mi7113-12772-2772-27263(Top 27%)829(Top 7%)829(Top 17%)
25K15.53 mi2.42 mi7067+46775-3775-37124(Top 27%)875(Top 8%)875(Top 18%)
30K18.64 mi3.11 mi6895+172753+22753+226259(Top 24%)694(Top 6%)694(Top 14%)
20M20.00 mi1.36 mi6647+248704+49704+494010(Top 15%)296(Top 3%)296(Top 6%)
21M21.00 mi1.00 mi6492+155679+25679+254525(Top 17%)406(Top 4%)406(Top 8%)
35K21.75 mi0.75 mi6460+32678+1678+16527(Top 25%)920(Top 8%)920(Top 19%)
23M23.00 mi1.25 mi6354+106658+20658+205308(Top 20%)616(Top 5%)616(Top 13%)
24M24.00 mi1.00 mi6240+114638+20638+205145(Top 19%)610(Top 5%)610(Top 12%)
40K24.85 mi0.85 mi6146+94631+7631+74672(Top 18%)554(Top 5%)554(Top 11%)
25.2M25.20 mi0.35 mi6121+25627+4627+45600(Top 21%)913(Top 8%)913(Top 19%)
Finish26.22 mi1.02 mi6049+72625+2625+25534(Top 21%)913(Top 8%)913(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7540

Females

906

F18-39

906

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7017

Females

754

F18-39

754

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7540

Females

906

F18-39

906

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7679

Females

988

F18-39

988

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7263

Females

829

F18-39

829

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7124

Females

875

F18-39

875

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6259

Females

694

F18-39

694

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4010

Females

296

F18-39

296

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4525

Females

406

F18-39

406

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6527

Females

920

F18-39

920

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5308

Females

616

F18-39

616

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5145

Females

610

F18-39

610

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4672

Females

554

F18-39

554

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5600

Females

913

F18-39

913

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5534

Females

913

F18-39

913

Passing Analysis

Category:
Athletes Passed
1508
Passed By
990
Net Change
+518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6567
5K → 10K127294-167#6567#6734
10K → 15K51295-244#6734#6978
15K → 20K63186-123#6978#7101
20K → Half1022-12#7101#7113
Half → 25K11367+46#7113#7067
25K → 30K21442+172#7067#6895
30K → 20M2491+248#6895#6647
20M → 21M1583+155#6647#6492
21M → 35K5119+32#6492#6460
35K → 23M12519+106#6460#6354
23M → 24M1239+114#6354#6240
24M → 40K1017+94#6240#6146
40K → 25.2M3813+25#6146#6121
25.2M → Finish8513+72#6121#6049
TOTALS1508990+518
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing