Boston Marathon logo
BOSTON MARATHON 2023

Brian Akialis

Bib: 5803•M

IN

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 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3854
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:30
Rank: #3764 (+90)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:02:07
Rank: #3660 (+104)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:52
Rank: #3583 (+77)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:25
Rank: #3600 (-17)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:41
Rank: #3549 (+51)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:04:52
Rank: #3424 (+125)
25K → 30K
21:11 | 6:49/mi
20M
2:14:25
Rank: #3464 (-40)
30K → 20M
9:33 | 7:01/mi
21M
2:21:26
Rank: #3326 (+138)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:26:31
Rank: #3339 (-13)
21M → 35K
5:05 | 6:48/mi
23M
2:35:17
Rank: #3350 (-11)
35K → 23M
8:46 | 7:00/mi
24M
2:42:02
Rank: #3331 (+19)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:47:54
Rank: #3305 (+26)
24M → 40K
5:52 | 6:52/mi
25.2M
2:50:26
Rank: #3293 (+12)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:56:58
Rank: #3182 (+111)
25.2M → Finish
6:32 | 6:25/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
Time1:27:25
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5620:536:4320:53
6:43
-
10K
6.21 mi10:44:3341:306:4120:37
6:38
-0:05
15K
9.32 mi11:05:101:02:076:4020:37
6:38
0:00
20K
12.43 mi11:25:551:22:526:4020:45
6:41
+0:03
Half
13.11 mi11:30:281:27:256:404:33
6:40
-0:01
25K
15.53 mi11:46:441:43:416:4016:16
6:43
+0:03
30K
18.64 mi12:07:552:04:526:4221:11
6:49
+0:06
20M
20.00 mi12:17:282:14:256:439:33
7:01
+0:12
21M
21.00 mi12:24:292:21:266:447:01
7:01
0:00
35K
21.75 mi12:29:342:26:316:445:05
6:48
-0:13
23M
23.00 mi12:38:202:35:176:458:46
7:00
+0:12
24M
24.00 mi12:45:052:42:026:456:45
6:45
-0:15
40K
24.85 mi12:50:572:47:546:455:52
6:52
+0:07
25.2M
25.20 mi12:53:292:50:266:462:32
7:21
+0:29
Finish
26.22 mi13:00:012:56:586:456:32
6:25
-0:56

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

6:25 /mi

Average Pace

6:45 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:26

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% 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 mi10:23:5620:536:4320:53
6:43
#3854
10K
6.21 mi10:44:3341:306:4120:37
6:38
#3764
15K
9.32 mi11:05:101:02:076:4020:37
6:38
#3660
20K
12.43 mi11:25:551:22:526:4020:45
6:41
#3583
Half
13.11 mi11:30:281:27:256:404:33
6:40
#3600
25K
15.53 mi11:46:441:43:416:4016:16
6:43
#3549
30K
18.64 mi12:07:552:04:526:4221:11
6:49
#3424
20M
20.00 mi12:17:282:14:256:439:33
7:01
#3464
21M
21.00 mi12:24:292:21:266:447:01
7:01
#3326
35K
21.75 mi12:29:342:26:316:445:05
6:48
#3339
23M
23.00 mi12:38:202:35:176:458:46
7:00
#3350
24M
24.00 mi12:45:052:42:026:456:45
6:45
#3331
40K
24.85 mi12:50:572:47:546:455:52
6:52
#3305
25.2M
25.20 mi12:53:292:50:266:462:32
7:21
#3293
Finish
26.22 mi13:00:012:56:586:456:32
6:25
#3182
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3854362036203573(Top 13%)3377(Top 22%)3377(Top 64%)
10K6.21 mi3.10 mi3764+903547+733547+733755(Top 14%)3542(Top 23%)3542(Top 67%)
15K9.32 mi3.11 mi3660+1043458+893458+893573(Top 13%)3377(Top 22%)3377(Top 64%)
20K12.43 mi3.11 mi3583+773391+673391+673401(Top 13%)3224(Top 21%)3224(Top 61%)
Half13.11 mi0.68 mi3600-173408-173408-173975(Top 15%)3727(Top 25%)3727(Top 71%)
25K15.53 mi2.42 mi3549+513363+453363+453413(Top 13%)3234(Top 21%)3234(Top 61%)
30K18.64 mi3.11 mi3424+1253242+1213242+1213105(Top 12%)2930(Top 19%)2930(Top 55%)
20M20.00 mi1.36 mi3464-403275-333275-334155(Top 16%)3834(Top 25%)3834(Top 73%)
21M21.00 mi1.00 mi3326+1383151+1243151+1242252(Top 8%)2126(Top 14%)2126(Top 40%)
35K21.75 mi0.75 mi3339-133161-103161-104113(Top 15%)3763(Top 25%)3763(Top 71%)
23M23.00 mi1.25 mi3350-113172-113172-113786(Top 14%)3493(Top 23%)3493(Top 66%)
24M24.00 mi1.00 mi3331+193152+203152+203359(Top 13%)3096(Top 20%)3096(Top 59%)
40K24.85 mi0.85 mi3305+263126+263126+263103(Top 12%)2847(Top 19%)2847(Top 54%)
25.2M25.20 mi0.35 mi3293+123115+113115+113131(Top 12%)2854(Top 19%)2854(Top 54%)
Finish26.22 mi1.02 mi3182+1113011+1043011+1042068(Top 8%)1923(Top 13%)1923(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3573

Males

3377

M18-39

3377

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3755

Males

3542

M18-39

3542

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3573

Males

3377

M18-39

3377

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3401

Males

3224

M18-39

3224

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3975

Males

3727

M18-39

3727

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3413

Males

3234

M18-39

3234

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3105

Males

2930

M18-39

2930

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4155

Males

3834

M18-39

3834

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2252

Males

2126

M18-39

2126

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4113

Males

3763

M18-39

3763

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3786

Males

3493

M18-39

3493

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3359

Males

3096

M18-39

3096

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3103

Males

2847

M18-39

2847

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3131

Males

2854

M18-39

2854

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2068

Males

1923

M18-39

1923

Passing Analysis

Category:
Athletes Passed
1335
Passed By
663
Net Change
+672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3854
5K → 10K267177+90#3854#3764
10K → 15K16359+104#3764#3660
15K → 20K12548+77#3660#3583
20K → Half1431-17#3583#3600
Half → 25K10049+51#3600#3549
25K → 30K16742+125#3549#3424
30K → 20M4686-40#3424#3464
20M → 21M1468+138#3464#3326
21M → 35K2235-13#3326#3339
35K → 23M4556-11#3339#3350
23M → 24M4728+19#3350#3331
24M → 40K5327+26#3331#3305
40K → 25.2M2210+12#3305#3293
25.2M → Finish1187+111#3293#3182
TOTALS1335663+672
📊

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