Boston Marathon logo
BOSTON MARATHON 2023

Nicholas Boyer

Bib: 4681•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #1743
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:01
Rank: #1482 (+261)
5K → 10K
19:11 | 6:10/mi
15K· 9.32 mi
58:23
Rank: #1429 (+53)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:51
Rank: #1358 (+71)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:22:03
Rank: #1337 (+21)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:59
Rank: #1266 (+71)
Half → 25K
14:56 | 6:10/mi
30K· 18.64 mi
1:56:48
Rank: #1221 (+45)
25K → 30K
19:49 | 6:23/mi
20M
2:05:37
Rank: #1215 (+6)
30K → 20M
8:49 | 6:29/mi
21M
2:12:18
Rank: #1188 (+27)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:16:42
Rank: #1138 (+50)
21M → 35K
4:24 | 5:53/mi
23M
2:24:13
Rank: #1065 (+73)
35K → 23M
7:31 | 6:00/mi
24M
2:30:15
Rank: #1020 (+45)
23M → 24M
6:02 | 6:02/mi
40K· 24.85 mi
2:35:37
Rank: #994 (+26)
24M → 40K
5:22 | 6:17/mi
25.2M
2:37:50
Rank: #980 (+14)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:43:39
Rank: #921 (+59)
25.2M → Finish
5:49 | 5:42/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⚖️ Balanced
Distance13.11 mi
Time1:22:03
Pace6:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:36
Pace6:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3319:506:2319:50
6:23
-
10K
6.21 mi10:40:4439:016:1719:11
6:10
-0:13
15K
9.32 mi11:00:0658:236:1619:22
6:14
+0:04
20K
12.43 mi11:19:341:17:516:1619:28
6:16
+0:02
Half
13.11 mi11:23:461:22:036:164:12
6:09
-0:07
25K
15.53 mi11:38:421:36:596:1514:56
6:10
+0:01
30K
18.64 mi11:58:311:56:486:1619:49
6:23
+0:13
20M
20.00 mi12:07:202:05:376:178:49
6:29
+0:06
21M
21.00 mi12:14:012:12:186:186:41
6:41
+0:12
35K
21.75 mi12:18:252:16:426:174:24
5:53
-0:48
23M
23.00 mi12:25:562:24:136:167:31
6:00
+0:07
24M
24.00 mi12:31:582:30:156:166:02
6:02
+0:02
40K
24.85 mi12:37:202:35:376:165:22
6:17
+0:15
25.2M
25.20 mi12:39:332:37:506:162:13
6:26
+0:09
Finish
26.22 mi12:45:222:43:396:155:49
5:42
-0:44

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

5:42 /mi

Average Pace

6:15 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:55

62% of race

Time at Steady Pace

1:02:44

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:21:3319:506:2319:50
6:23
#1743
10K
6.21 mi10:40:4439:016:1719:11
6:10
#1482
15K
9.32 mi11:00:0658:236:1619:22
6:14
#1429
20K
12.43 mi11:19:341:17:516:1619:28
6:16
#1358
Half
13.11 mi11:23:461:22:036:164:12
6:09
#1337
25K
15.53 mi11:38:421:36:596:1514:56
6:10
#1266
30K
18.64 mi11:58:311:56:486:1619:49
6:23
#1221
20M
20.00 mi12:07:202:05:376:178:49
6:29
#1215
21M
21.00 mi12:14:012:12:186:186:41
6:41
#1188
35K
21.75 mi12:18:252:16:426:174:24
5:53
#1138
23M
23.00 mi12:25:562:24:136:167:31
6:00
#1065
24M
24.00 mi12:31:582:30:156:166:02
6:02
#1020
40K
24.85 mi12:37:202:35:376:165:22
6:17
#994
25.2M
25.20 mi12:39:332:37:506:162:13
6:26
#980
Finish
26.22 mi12:45:222:43:396:155:49
5:42
#921
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1743166116611349(Top 5%)1283(Top 8%)1283(Top 24%)
10K6.21 mi3.10 mi1482+2611413+2481413+2481244(Top 5%)1181(Top 8%)1181(Top 22%)
15K9.32 mi3.11 mi1429+531364+491364+491349(Top 5%)1283(Top 8%)1283(Top 24%)
20K12.43 mi3.11 mi1358+711292+721292+721266(Top 5%)1211(Top 8%)1211(Top 23%)
Half13.11 mi0.68 mi1337+211274+181274+181166(Top 4%)1115(Top 7%)1115(Top 21%)
25K15.53 mi2.42 mi1266+711210+641210+64889(Top 3%)843(Top 6%)843(Top 16%)
30K18.64 mi3.11 mi1221+451166+441166+441146(Top 4%)1091(Top 7%)1091(Top 21%)
20M20.00 mi1.36 mi1215+61160+61160+61382(Top 5%)1317(Top 9%)1317(Top 25%)
21M21.00 mi1.00 mi1188+271134+261134+261035(Top 4%)986(Top 6%)986(Top 19%)
35K21.75 mi0.75 mi1138+501085+491085+49491(Top 2%)456(Top 3%)456(Top 9%)
23M23.00 mi1.25 mi1065+731013+721013+72308(Top 1%)283(Top 2%)283(Top 5%)
24M24.00 mi1.00 mi1020+45970+43970+43618(Top 2%)585(Top 4%)585(Top 11%)
40K24.85 mi0.85 mi994+26945+25945+25827(Top 3%)783(Top 5%)783(Top 15%)
25.2M25.20 mi0.35 mi980+14931+14931+14408(Top 2%)386(Top 3%)386(Top 7%)
Finish26.22 mi1.02 mi921+59874+57874+57249(Top 0.9%)232(Top 2%)232(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1349

Males

1283

M18-39

1283

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1244

Males

1181

M18-39

1181

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1349

Males

1283

M18-39

1283

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1266

Males

1211

M18-39

1211

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1166

Males

1115

M18-39

1115

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

889

Males

843

M18-39

843

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1146

Males

1091

M18-39

1091

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1382

Males

1317

M18-39

1317

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1035

Males

986

M18-39

986

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

491

Males

456

M18-39

456

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

308

Males

283

M18-39

283

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

618

Males

585

M18-39

585

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

827

Males

783

M18-39

783

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

408

Males

386

M18-39

386

25.2M→Finish

25.2 - 26.2 mi

Top 0.9%
×2stories
+22ft-21ft

Overall

249

Males

232

M18-39

232

Passing Analysis

Category:
Athletes Passed
924
Passed By
102
Net Change
+822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1743
5K → 10K27716+261#1743#1482
10K → 15K7522+53#1482#1429
15K → 20K809+71#1429#1358
20K → Half210+21#1358#1337
Half → 25K743+71#1337#1266
25K → 30K6116+45#1266#1221
30K → 20M2115+6#1221#1215
20M → 21M4013+27#1215#1188
21M → 35K511+50#1188#1138
35K → 23M730+73#1138#1065
23M → 24M461+45#1065#1020
24M → 40K304+26#1020#994
40K → 25.2M151+14#994#980
25.2M → Finish601+59#980#921
TOTALS924102+822
📊

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