Boston Marathon logo
BOSTON MARATHON 2023

Briain Madden

Bib: 5281•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #2340
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:27
Rank: #2569 (-229)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:01:00
Rank: #2793 (-224)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:21:27
Rank: #2766 (+27)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:25:51
Rank: #2738 (+28)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:39
Rank: #2646 (+92)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
2:02:35
Rank: #2609 (+37)
25K → 30K
20:56 | 6:44/mi
20M
2:11:58
Rank: #2643 (-34)
30K → 20M
9:23 | 6:54/mi
21M
2:19:34
Rank: #2722 (-79)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:24:40
Rank: #2762 (-40)
21M → 35K
5:06 | 6:49/mi
23M
2:33:35
Rank: #2835 (-73)
35K → 23M
8:55 | 7:07/mi
24M
2:40:26
Rank: #2876 (-41)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:46:49
Rank: #2989 (-113)
24M → 40K
6:23 | 7:28/mi
25.2M
2:49:37
Rank: #3051 (-62)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:57:11
Rank: #3243 (-192)
25.2M → Finish
7:34 | 7:26/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
Time1:25:51
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5820:146:3120:14
6:31
-
10K
6.21 mi10:43:1140:276:3120:13
6:30
-0:01
15K
9.32 mi11:03:441:01:006:3320:33
6:37
+0:07
20K
12.43 mi11:24:111:21:276:3320:27
6:35
-0:02
Half
13.11 mi11:28:351:25:516:334:24
6:27
-0:08
25K
15.53 mi11:44:231:41:396:3315:48
6:31
+0:04
30K
18.64 mi12:05:192:02:356:3520:56
6:44
+0:13
20M
20.00 mi12:14:422:11:586:369:23
6:54
+0:10
21M
21.00 mi12:22:182:19:346:397:36
7:36
+0:42
35K
21.75 mi12:27:242:24:406:395:06
6:49
-0:47
23M
23.00 mi12:36:192:33:356:418:55
7:07
+0:18
24M
24.00 mi12:43:102:40:266:416:51
6:51
-0:16
40K
24.85 mi12:49:332:46:496:436:23
7:28
+0:37
25.2M
25.20 mi12:52:212:49:376:442:48
8:07
+0:39
Finish
26.22 mi12:59:552:57:116:467:34
7:26
-0:41

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

6:27 /mi

Average Pace

6:46 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:39

34% of race

Time at Steady Pace

1:23:16

47% of race

Time at Slower Pace

33:16

19% of race

Average Pace: 6:45 /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 mi10:22:5820:146:3120:14
6:31
#2340
10K
6.21 mi10:43:1140:276:3120:13
6:30
#2569
15K
9.32 mi11:03:441:01:006:3320:33
6:37
#2793
20K
12.43 mi11:24:111:21:276:3320:27
6:35
#2766
Half
13.11 mi11:28:351:25:516:334:24
6:27
#2738
25K
15.53 mi11:44:231:41:396:3315:48
6:31
#2646
30K
18.64 mi12:05:192:02:356:3520:56
6:44
#2609
20M
20.00 mi12:14:422:11:586:369:23
6:54
#2643
21M
21.00 mi12:22:182:19:346:397:36
7:36
#2722
35K
21.75 mi12:27:242:24:406:395:06
6:49
#2762
23M
23.00 mi12:36:192:33:356:418:55
7:07
#2835
24M
24.00 mi12:43:102:40:266:416:51
6:51
#2876
40K
24.85 mi12:49:332:46:496:436:23
7:28
#2989
25.2M
25.20 mi12:52:212:49:376:442:48
8:07
#3051
Finish
26.22 mi12:59:552:57:116:467:34
7:26
#3243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2340223222323404(Top 13%)3229(Top 21%)3229(Top 61%)
10K6.21 mi3.10 mi2569-2292450-2182450-2182837(Top 11%)2711(Top 18%)2711(Top 51%)
15K9.32 mi3.11 mi2793-2242667-2172667-2173404(Top 13%)3229(Top 21%)3229(Top 61%)
20K12.43 mi3.11 mi2766+272644+232644+232743(Top 10%)2623(Top 17%)2623(Top 50%)
Half13.11 mi0.68 mi2738+282617+272617+272517(Top 9%)2416(Top 16%)2416(Top 46%)
25K15.53 mi2.42 mi2646+922529+882529+882257(Top 8%)2165(Top 14%)2165(Top 41%)
30K18.64 mi3.11 mi2609+372491+382491+382619(Top 10%)2490(Top 16%)2490(Top 47%)
20M20.00 mi1.36 mi2643-342525-342525-343437(Top 13%)3209(Top 21%)3209(Top 61%)
21M21.00 mi1.00 mi2722-792601-762601-765053(Top 19%)4506(Top 30%)4506(Top 85%)
35K21.75 mi0.75 mi2762-402641-402641-404246(Top 16%)3881(Top 26%)3881(Top 73%)
23M23.00 mi1.25 mi2835-732701-602701-604381(Top 16%)3990(Top 26%)3990(Top 75%)
24M24.00 mi1.00 mi2876-412733-322733-323911(Top 15%)3570(Top 24%)3570(Top 68%)
40K24.85 mi0.85 mi2989-1132835-1022835-1026440(Top 24%)5286(Top 35%)5286(Top 100%)
25.2M25.20 mi0.35 mi3051-622890-552890-557074(Top 27%)5588(Top 37%)5588(Top 106%)
Finish26.22 mi1.02 mi3243-1923067-1773067-1777906(Top 30%)6098(Top 40%)6098(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3404

Males

3229

M18-39

3229

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2837

Males

2711

M18-39

2711

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3404

Males

3229

M18-39

3229

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2743

Males

2623

M18-39

2623

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2517

Males

2416

M18-39

2416

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2257

Males

2165

M18-39

2165

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2619

Males

2490

M18-39

2490

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3437

Males

3209

M18-39

3209

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5053

Males

4506

M18-39

4506

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4246

Males

3881

M18-39

3881

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4381

Males

3990

M18-39

3990

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3911

Males

3570

M18-39

3570

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6440

Males

5286

M18-39

5286

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7074

Males

5588

M18-39

5588

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7906

Males

6098

M18-39

6098

Passing Analysis

Category:
Athletes Passed
535
Passed By
1438
Net Change
-903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2340
5K → 10K55284-229#2340#2569
10K → 15K24248-224#2569#2793
15K → 20K8255+27#2793#2766
20K → Half357+28#2766#2738
Half → 25K10311+92#2738#2646
25K → 30K8851+37#2646#2609
30K → 20M2963-34#2609#2643
20M → 21M1796-79#2643#2722
21M → 35K1353-40#2722#2762
35K → 23M31104-73#2762#2835
23M → 24M2768-41#2835#2876
24M → 40K18131-113#2876#2989
40K → 25.2M466-62#2989#3051
25.2M → Finish9201-192#3051#3243
TOTALS5351438-903
📊

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