Boston Marathon logo
BOSTON MARATHON 2023

Justin Hetherington

Bib: 7196•M

RI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:33
Rank: #5818
Start → 5K
21:33 | 6:56/mi
10K· 6.21 mi
42:22
Rank: #5099 (+719)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:03:18
Rank: #4915 (+184)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:24
Rank: #4745 (+170)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:28:56
Rank: #4690 (+55)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:27
Rank: #4565 (+125)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:06:56
Rank: #4388 (+177)
25K → 30K
21:29 | 6:55/mi
20M
2:16:05
Rank: #4191 (+197)
30K → 20M
9:09 | 6:44/mi
21M
2:23:04
Rank: #3980 (+211)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:27:40
Rank: #3781 (+199)
21M → 35K
4:36 | 6:09/mi
23M
2:35:55
Rank: #3553 (+228)
35K → 23M
8:15 | 6:35/mi
24M
2:42:14
Rank: #3393 (+160)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:47:48
Rank: #3278 (+115)
24M → 40K
5:34 | 6:31/mi
25.2M
2:50:12
Rank: #3225 (+53)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:56:37
Rank: #3089 (+136)
25.2M → Finish
6:25 | 6:18/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 Half
Distance13.11 mi
Time1:28:56
Pace6:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:41
Pace6:41 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2921:336:5621:33
6:56
-
10K
6.21 mi10:46:1842:226:4920:49
6:42
-0:14
15K
9.32 mi11:07:141:03:186:4720:56
6:44
+0:02
20K
12.43 mi11:28:201:24:246:4721:06
6:47
+0:03
Half
13.11 mi11:32:521:28:566:474:32
6:39
-0:08
25K
15.53 mi11:49:231:45:276:4716:31
6:49
+0:10
30K
18.64 mi12:10:522:06:566:4921:29
6:55
+0:06
20M
20.00 mi12:20:012:16:056:489:09
6:44
-0:11
21M
21.00 mi12:27:002:23:046:496:59
6:59
+0:15
35K
21.75 mi12:31:362:27:406:474:36
6:09
-0:50
23M
23.00 mi12:39:512:35:556:478:15
6:35
+0:26
24M
24.00 mi12:46:102:42:146:466:19
6:19
-0:16
40K
24.85 mi12:51:442:47:486:455:34
6:31
+0:12
25.2M
25.20 mi12:54:082:50:126:452:24
6:58
+0:27
Finish
26.22 mi13:00:332:56:376:446:25
6:18
-0:40

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

6:09 /mi

Average Pace

6:44 /mi

Slowest Pace

6:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:35

49% of race

Time at Steady Pace

1:30:02

51% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:25:2921:336:5621:33
6:56
#5818
10K
6.21 mi10:46:1842:226:4920:49
6:42
#5099
15K
9.32 mi11:07:141:03:186:4720:56
6:44
#4915
20K
12.43 mi11:28:201:24:246:4721:06
6:47
#4745
Half
13.11 mi11:32:521:28:566:474:32
6:39
#4690
25K
15.53 mi11:49:231:45:276:4716:31
6:49
#4565
30K
18.64 mi12:10:522:06:566:4921:29
6:55
#4388
20M
20.00 mi12:20:012:16:056:489:09
6:44
#4191
21M
21.00 mi12:27:002:23:046:496:59
6:59
#3980
35K
21.75 mi12:31:362:27:406:474:36
6:09
#3781
23M
23.00 mi12:39:512:35:556:478:15
6:35
#3553
24M
24.00 mi12:46:102:42:146:466:19
6:19
#3393
40K
24.85 mi12:51:442:47:486:455:34
6:31
#3278
25.2M
25.20 mi12:54:082:50:126:452:24
6:58
#3225
Finish
26.22 mi13:00:332:56:376:446:25
6:18
#3089
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5818533453344468(Top 17%)4172(Top 27%)4172(Top 79%)
10K6.21 mi3.10 mi5099+7194726+6084726+6084313(Top 16%)4037(Top 27%)4037(Top 76%)
15K9.32 mi3.11 mi4915+1844571+1554571+1554468(Top 17%)4172(Top 27%)4172(Top 79%)
20K12.43 mi3.11 mi4745+1704425+1464425+1464348(Top 16%)4058(Top 27%)4058(Top 77%)
Half13.11 mi0.68 mi4690+554373+524373+523743(Top 14%)3527(Top 23%)3527(Top 67%)
25K15.53 mi2.42 mi4565+1254262+1114262+1114237(Top 16%)3962(Top 26%)3962(Top 75%)
30K18.64 mi3.11 mi4388+1774101+1614101+1613739(Top 14%)3505(Top 23%)3505(Top 66%)
20M20.00 mi1.36 mi4191+1973931+1703931+1702460(Top 9%)2335(Top 15%)2335(Top 44%)
21M21.00 mi1.00 mi3980+2113740+1913740+1912098(Top 8%)1984(Top 13%)1984(Top 38%)
35K21.75 mi0.75 mi3781+1993562+1783562+1781113(Top 4%)1061(Top 7%)1061(Top 20%)
23M23.00 mi1.25 mi3553+2283355+2073355+2071748(Top 7%)1658(Top 11%)1658(Top 31%)
24M24.00 mi1.00 mi3393+1603209+1463209+1461404(Top 5%)1330(Top 9%)1330(Top 25%)
40K24.85 mi0.85 mi3278+1153100+1093100+1091597(Top 6%)1507(Top 10%)1507(Top 29%)
25.2M25.20 mi0.35 mi3225+533051+493051+491655(Top 6%)1561(Top 10%)1561(Top 30%)
Finish26.22 mi1.02 mi3089+1362924+1272924+1271635(Top 6%)1540(Top 10%)1540(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4468

Males

4172

M18-39

4172

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4313

Males

4037

M18-39

4037

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4468

Males

4172

M18-39

4172

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4348

Males

4058

M18-39

4058

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3743

Males

3527

M18-39

3527

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4237

Males

3962

M18-39

3962

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3739

Males

3505

M18-39

3505

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2460

Males

2335

M18-39

2335

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2098

Males

1984

M18-39

1984

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1113

Males

1061

M18-39

1061

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1748

Males

1658

M18-39

1658

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1404

Males

1330

M18-39

1330

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1597

Males

1507

M18-39

1507

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1655

Males

1561

M18-39

1561

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1635

Males

1540

M18-39

1540

Passing Analysis

Category:
Athletes Passed
2940
Passed By
211
Net Change
+2729
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5818
5K → 10K74324+719#5818#5099
10K → 15K23046+184#5099#4915
15K → 20K20838+170#4915#4745
20K → Half605+55#4745#4690
Half → 25K16338+125#4690#4565
25K → 30K21538+177#4565#4388
30K → 20M2003+197#4388#4191
20M → 21M2143+211#4191#3980
21M → 35K2001+199#3980#3781
35K → 23M2302+228#3781#3553
23M → 24M1611+160#3553#3393
24M → 40K1205+115#3393#3278
40K → 25.2M563+53#3278#3225
25.2M → Finish1404+136#3225#3089
TOTALS2940211+2729
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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