Boston Marathon logo
BOSTON MARATHON 2023

Samuel Hyams-Millard

Bib: 1144•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:01
Rank: #939
Start → 5K
19:01 | 6:07/mi
10K· 6.21 mi
37:37
Rank: #836 (+103)
5K → 10K
18:36 | 5:59/mi
15K· 9.32 mi
56:12
Rank: #780 (+56)
10K → 15K
18:35 | 5:59/mi
20K· 12.43 mi
1:14:52
Rank: #713 (+67)
15K → 20K
18:40 | 6:00/mi
Half· 13.11 mi
1:18:55
Rank: #709 (+4)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:33:31
Rank: #683 (+26)
Half → 25K
14:36 | 6:01/mi
30K· 18.64 mi
1:52:45
Rank: #671 (+12)
25K → 30K
19:14 | 6:11/mi
20M
2:01:07
Rank: #653 (+18)
30K → 20M
8:22 | 6:09/mi
21M
2:07:31
Rank: #636 (+17)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:11:49
Rank: #616 (+20)
21M → 35K
4:18 | 5:45/mi
23M
2:19:26
Rank: #599 (+17)
35K → 23M
7:37 | 6:05/mi
24M
2:25:23
Rank: #591 (+8)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:30:35
Rank: #572 (+19)
24M → 40K
5:12 | 6:05/mi
25.2M
2:32:48
Rank: #562 (+10)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:38:42
Rank: #549 (+13)
25.2M → Finish
5:54 | 5:47/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
Time1:18:55
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:19:47
Pace6:05 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3219:016:0719:01
6:07
-
10K
6.21 mi10:38:0837:376:0318:36
5:59
-0:08
15K
9.32 mi10:56:4356:126:0218:35
5:59
0:00
20K
12.43 mi11:15:231:14:526:0118:40
6:00
+0:01
Half
13.11 mi11:19:261:18:556:014:03
5:56
-0:04
25K
15.53 mi11:34:021:33:316:0114:36
6:01
+0:05
30K
18.64 mi11:53:161:52:456:0319:14
6:11
+0:10
20M
20.00 mi12:01:382:01:076:038:22
6:09
-0:02
21M
21.00 mi12:08:022:07:316:046:24
6:24
+0:15
35K
21.75 mi12:12:202:11:496:044:18
5:45
-0:39
23M
23.00 mi12:19:572:19:266:047:37
6:05
+0:20
24M
24.00 mi12:25:542:25:236:035:57
5:57
-0:08
40K
24.85 mi12:31:062:30:356:045:12
6:05
+0:08
25.2M
25.20 mi12:33:192:32:486:042:13
6:26
+0:21
Finish
26.22 mi12:39:132:38:426:035:54
5:47
-0:39

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

5:45 /mi

Average Pace

6:03 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:05

95% of race

Time at Steady Pace

8:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:19:3219:016:0719:01
6:07
#939
10K
6.21 mi10:38:0837:376:0318:36
5:59
#836
15K
9.32 mi10:56:4356:126:0218:35
5:59
#780
20K
12.43 mi11:15:231:14:526:0118:40
6:00
#713
Half
13.11 mi11:19:261:18:556:014:03
5:56
#709
25K
15.53 mi11:34:021:33:316:0114:36
6:01
#683
30K
18.64 mi11:53:161:52:456:0319:14
6:11
#671
20M
20.00 mi12:01:382:01:076:038:22
6:09
#653
21M
21.00 mi12:08:022:07:316:046:24
6:24
#636
35K
21.75 mi12:12:202:11:496:044:18
5:45
#616
23M
23.00 mi12:19:572:19:266:047:37
6:05
#599
24M
24.00 mi12:25:542:25:236:035:57
5:57
#591
40K
24.85 mi12:31:062:30:356:045:12
6:05
#572
25.2M
25.20 mi12:33:192:32:486:042:13
6:26
#562
Finish
26.22 mi12:39:132:38:426:035:54
5:47
#549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi939883883664(Top 2%)621(Top 4%)621(Top 12%)
10K6.21 mi3.10 mi836+103788+95788+95762(Top 3%)718(Top 5%)718(Top 14%)
15K9.32 mi3.11 mi780+56736+52736+52664(Top 2%)621(Top 4%)621(Top 12%)
20K12.43 mi3.11 mi713+67670+66670+66568(Top 2%)528(Top 3%)528(Top 10%)
Half13.11 mi0.68 mi709+4666+4666+4610(Top 2%)572(Top 4%)572(Top 11%)
25K15.53 mi2.42 mi683+26642+24642+24573(Top 2%)533(Top 4%)533(Top 10%)
30K18.64 mi3.11 mi671+12630+12630+12658(Top 2%)621(Top 4%)621(Top 12%)
20M20.00 mi1.36 mi653+18612+18612+18579(Top 2%)545(Top 4%)545(Top 10%)
21M21.00 mi1.00 mi636+17595+17595+17483(Top 2%)449(Top 3%)449(Top 8%)
35K21.75 mi0.75 mi616+20575+20575+20289(Top 1%)264(Top 2%)264(Top 5%)
23M23.00 mi1.25 mi599+17559+16559+16430(Top 2%)402(Top 3%)402(Top 8%)
24M24.00 mi1.00 mi591+8551+8551+8453(Top 2%)426(Top 3%)426(Top 8%)
40K24.85 mi0.85 mi572+19533+18533+18452(Top 2%)425(Top 3%)425(Top 8%)
25.2M25.20 mi0.35 mi562+10523+10523+10391(Top 1%)369(Top 2%)369(Top 7%)
Finish26.22 mi1.02 mi549+13511+12511+12348(Top 1%)330(Top 2%)330(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

664

Males

621

M18-39

621

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

762

Males

718

M18-39

718

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

664

Males

621

M18-39

621

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

568

Males

528

M18-39

528

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

610

Males

572

M18-39

572

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

573

Males

533

M18-39

533

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

658

Males

621

M18-39

621

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

579

Males

545

M18-39

545

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

483

Males

449

M18-39

449

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

289

Males

264

M18-39

264

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

430

Males

402

M18-39

402

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

453

Males

426

M18-39

426

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

452

Males

425

M18-39

425

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

391

Males

369

M18-39

369

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

348

Males

330

M18-39

330

Passing Analysis

Category:
Athletes Passed
454
Passed By
64
Net Change
+390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#939
5K → 10K11310+103#939#836
10K → 15K593+56#836#780
15K → 20K692+67#780#713
20K → Half106+4#713#709
Half → 25K315+26#709#683
25K → 30K3220+12#683#671
30K → 20M213+18#671#653
20M → 21M192+17#653#636
21M → 35K200+20#636#616
35K → 23M225+17#616#599
23M → 24M102+8#599#591
24M → 40K223+19#591#572
40K → 25.2M100+10#572#562
25.2M → Finish163+13#562#549
TOTALS45464+390
📊

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