Boston Marathon logo
BOSTON MARATHON 2023

Daniel Barrett

Bib: 2989•M

NV

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #2744
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
40:11
Rank: #2317 (+427)
5K → 10K
19:44 | 6:21/mi
15K· 9.32 mi
1:00:16
Rank: #2361 (-44)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:34
Rank: #2358 (+3)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:24:57
Rank: #2364 (-6)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:08
Rank: #2463 (-99)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:02:19
Rank: #2525 (-62)
25K → 30K
21:11 | 6:49/mi
20M
2:11:32
Rank: #2516 (+9)
30K → 20M
9:13 | 6:47/mi
21M
2:18:39
Rank: #2502 (+14)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:23:33
Rank: #2480 (+22)
21M → 35K
4:54 | 6:33/mi
23M
2:32:02
Rank: #2441 (+39)
35K → 23M
8:29 | 6:47/mi
24M
2:38:38
Rank: #2420 (+21)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:44:28
Rank: #2411 (+9)
24M → 40K
5:50 | 6:49/mi
25.2M
2:46:59
Rank: #2401 (+10)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:53:47
Rank: #2424 (-23)
25.2M → Finish
6:48 | 6:40/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
Time1:24:57
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1120:276:3520:27
6:35
-
10K
6.21 mi10:40:5540:116:2819:44
6:21
-0:14
15K
9.32 mi11:01:001:00:166:2820:05
6:28
+0:07
20K
12.43 mi11:21:181:20:346:2920:18
6:32
+0:04
Half
13.11 mi11:25:411:24:576:294:23
6:25
-0:07
25K
15.53 mi11:41:521:41:086:3116:11
6:40
+0:15
30K
18.64 mi12:03:032:02:196:3421:11
6:49
+0:09
20M
20.00 mi12:12:162:11:326:359:13
6:47
-0:02
21M
21.00 mi12:19:232:18:396:367:07
7:07
+0:20
35K
21.75 mi12:24:172:23:336:364:54
6:33
-0:34
23M
23.00 mi12:32:462:32:026:378:29
6:47
+0:14
24M
24.00 mi12:39:222:38:386:376:36
6:36
-0:11
40K
24.85 mi12:45:122:44:286:375:50
6:49
+0:13
25.2M
25.20 mi12:47:432:46:596:382:31
7:18
+0:29
Finish
26.22 mi12:54:312:53:476:386:48
6:40
-0:38

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

6:21 /mi

Average Pace

6:38 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:09

94% of race

Time at Steady Pace

9:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:21:1120:276:3520:27
6:35
#2744
10K
6.21 mi10:40:5540:116:2819:44
6:21
#2317
15K
9.32 mi11:01:001:00:166:2820:05
6:28
#2361
20K
12.43 mi11:21:181:20:346:2920:18
6:32
#2358
Half
13.11 mi11:25:411:24:576:294:23
6:25
#2364
25K
15.53 mi11:41:521:41:086:3116:11
6:40
#2463
30K
18.64 mi12:03:032:02:196:3421:11
6:49
#2525
20M
20.00 mi12:12:162:11:326:359:13
6:47
#2516
21M
21.00 mi12:19:232:18:396:367:07
7:07
#2502
35K
21.75 mi12:24:172:23:336:364:54
6:33
#2480
23M
23.00 mi12:32:462:32:026:378:29
6:47
#2441
24M
24.00 mi12:39:222:38:386:376:36
6:36
#2420
40K
24.85 mi12:45:122:44:286:375:50
6:49
#2411
25.2M
25.20 mi12:47:432:46:596:382:31
7:18
#2401
Finish
26.22 mi12:54:312:53:476:386:48
6:40
#2424
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2744261226122431(Top 9%)2332(Top 15%)2332(Top 44%)
10K6.21 mi3.10 mi2317+4272212+4002212+4001988(Top 7%)1905(Top 13%)1905(Top 36%)
15K9.32 mi3.11 mi2361-442260-482260-482431(Top 9%)2332(Top 15%)2332(Top 44%)
20K12.43 mi3.11 mi2358+3226022602480(Top 9%)2375(Top 16%)2375(Top 45%)
Half13.11 mi0.68 mi2364-62266-62266-62361(Top 9%)2266(Top 15%)2266(Top 43%)
25K15.53 mi2.42 mi2463-992360-942360-943154(Top 12%)3006(Top 20%)3006(Top 57%)
30K18.64 mi3.11 mi2525-622416-562416-563094(Top 12%)2919(Top 19%)2919(Top 55%)
20M20.00 mi1.36 mi2516+92407+92407+92688(Top 10%)2542(Top 17%)2542(Top 48%)
21M21.00 mi1.00 mi2502+142395+122395+122674(Top 10%)2510(Top 17%)2510(Top 47%)
35K21.75 mi0.75 mi2480+222375+202375+202668(Top 10%)2511(Top 17%)2511(Top 48%)
23M23.00 mi1.25 mi2441+392335+402335+402503(Top 9%)2349(Top 15%)2349(Top 44%)
24M24.00 mi1.00 mi2420+212316+192316+192547(Top 10%)2375(Top 16%)2375(Top 45%)
40K24.85 mi0.85 mi2411+92305+112305+112916(Top 11%)2683(Top 18%)2683(Top 51%)
25.2M25.20 mi0.35 mi2401+102295+102295+102886(Top 11%)2641(Top 17%)2641(Top 50%)
Finish26.22 mi1.02 mi2424-232315-202315-203334(Top 13%)2992(Top 20%)2992(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2431

Males

2332

M18-39

2332

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1988

Males

1905

M18-39

1905

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2431

Males

2332

M18-39

2332

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2480

Males

2375

M18-39

2375

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2361

Males

2266

M18-39

2266

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3154

Males

3006

M18-39

3006

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3094

Males

2919

M18-39

2919

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2688

Males

2542

M18-39

2542

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2674

Males

2510

M18-39

2510

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2668

Males

2511

M18-39

2511

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2503

Males

2349

M18-39

2349

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2547

Males

2375

M18-39

2375

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2916

Males

2683

M18-39

2683

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2886

Males

2641

M18-39

2641

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3334

Males

2992

M18-39

2992

Passing Analysis

Category:
Athletes Passed
925
Passed By
605
Net Change
+320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2744
5K → 10K44013+427#2744#2317
10K → 15K62106-44#2317#2361
15K → 20K6461+3#2361#2358
20K → Half1016-6#2358#2364
Half → 25K23122-99#2364#2463
25K → 30K42104-62#2463#2525
30K → 20M4536+9#2525#2516
20M → 21M4531+14#2516#2502
21M → 35K3210+22#2502#2480
35K → 23M5112+39#2480#2441
23M → 24M3514+21#2441#2420
24M → 40K2920+9#2420#2411
40K → 25.2M199+10#2411#2401
25.2M → Finish2851-23#2401#2424
TOTALS925605+320
📊

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