Boston Marathon logo
BOSTON MARATHON 2023

Scott Mclean

Bib: 3783•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
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
20:02
Rank: #2005
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
39:35
Rank: #1846 (+159)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
59:05
Rank: #1737 (+109)
10K → 15K
19:30 | 6:17/mi
20K· 12.43 mi
1:18:37
Rank: #1638 (+99)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:22:57
Rank: #1657 (-19)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:38:33
Rank: #1673 (-16)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
1:58:19
Rank: #1527 (+146)
25K → 30K
19:46 | 6:22/mi
20M
2:06:46
Rank: #1432 (+95)
30K → 20M
8:27 | 6:13/mi
21M
2:13:08
Rank: #1342 (+90)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:17:29
Rank: #1271 (+71)
21M → 35K
4:21 | 5:49/mi
23M
2:25:10
Rank: #1183 (+88)
35K → 23M
7:41 | 6:08/mi
24M
2:30:57
Rank: #1114 (+69)
23M → 24M
5:47 | 5:47/mi
40K· 24.85 mi
2:36:03
Rank: #1062 (+52)
24M → 40K
5:06 | 5:58/mi
25.2M
2:38:13
Rank: #1023 (+39)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:43:50
Rank: #940 (+83)
25.2M → Finish
5:37 | 5:31/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
Time1:22:57
Pace6:20 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:53
Pace6:10 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4820:026:2720:02
6:27
-
10K
6.21 mi10:41:2139:356:2219:33
6:18
-0:09
15K
9.32 mi11:00:5159:056:2019:30
6:17
-0:01
20K
12.43 mi11:20:231:18:376:2019:32
6:17
0:00
Half
13.11 mi11:24:431:22:576:204:20
6:21
+0:04
25K
15.53 mi11:40:191:38:336:2115:36
6:26
+0:05
30K
18.64 mi12:00:051:58:196:2119:46
6:22
-0:04
20M
20.00 mi12:08:322:06:466:208:27
6:13
-0:09
21M
21.00 mi12:14:542:13:086:206:22
6:22
+0:09
35K
21.75 mi12:19:152:17:296:194:21
5:49
-0:33
23M
23.00 mi12:26:562:25:106:197:41
6:08
+0:19
24M
24.00 mi12:32:432:30:576:175:47
5:47
-0:21
40K
24.85 mi12:37:492:36:036:175:06
5:58
+0:11
25.2M
25.20 mi12:39:592:38:136:172:10
6:17
+0:19
Finish
26.22 mi12:45:362:43:506:155:37
5:31
-0:46

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

5:31 /mi

Average Pace

6:15 /mi

Slowest Pace

6:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:51

13% of race

Time at Steady Pace

2:22:59

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:21:4820:026:2720:02
6:27
#2005
10K
6.21 mi10:41:2139:356:2219:33
6:18
#1846
15K
9.32 mi11:00:5159:056:2019:30
6:17
#1737
20K
12.43 mi11:20:231:18:376:2019:32
6:17
#1638
Half
13.11 mi11:24:431:22:576:204:20
6:21
#1657
25K
15.53 mi11:40:191:38:336:2115:36
6:26
#1673
30K
18.64 mi12:00:051:58:196:2119:46
6:22
#1527
20M
20.00 mi12:08:322:06:466:208:27
6:13
#1432
21M
21.00 mi12:14:542:13:086:206:22
6:22
#1342
35K
21.75 mi12:19:152:17:296:194:21
5:49
#1271
23M
23.00 mi12:26:562:25:106:197:41
6:08
#1183
24M
24.00 mi12:32:432:30:576:175:47
5:47
#1114
40K
24.85 mi12:37:492:36:036:175:06
5:58
#1062
25.2M
25.20 mi12:39:592:38:136:172:10
6:17
#1023
Finish
26.22 mi12:45:362:43:506:155:37
5:31
#940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2005191219121542(Top 6%)1471(Top 10%)1471(Top 28%)
10K6.21 mi3.10 mi1846+1591766+1461766+1461736(Top 7%)1660(Top 11%)1660(Top 31%)
15K9.32 mi3.11 mi1737+1091660+1061660+1061542(Top 6%)1471(Top 10%)1471(Top 28%)
20K12.43 mi3.11 mi1638+991567+931567+931323(Top 5%)1263(Top 8%)1263(Top 24%)
Half13.11 mi0.68 mi1657-191585-181585-181943(Top 7%)1866(Top 12%)1866(Top 35%)
25K15.53 mi2.42 mi1673-161601-161601-161861(Top 7%)1783(Top 12%)1783(Top 34%)
30K18.64 mi3.11 mi1527+1461459+1421459+1421093(Top 4%)1040(Top 7%)1040(Top 20%)
20M20.00 mi1.36 mi1432+951369+901369+90698(Top 3%)661(Top 4%)661(Top 13%)
21M21.00 mi1.00 mi1342+901281+881281+88446(Top 2%)413(Top 3%)413(Top 8%)
35K21.75 mi0.75 mi1271+711214+671214+67403(Top 2%)374(Top 2%)374(Top 7%)
23M23.00 mi1.25 mi1183+881130+841130+84522(Top 2%)491(Top 3%)491(Top 9%)
24M24.00 mi1.00 mi1114+691062+681062+68234(Top 0.9%)211(Top 1%)211(Top 4%)
40K24.85 mi0.85 mi1062+521010+521010+52309(Top 1%)286(Top 2%)286(Top 5%)
25.2M25.20 mi0.35 mi1023+39973+37973+37228(Top 0.9%)209(Top 1%)209(Top 4%)
Finish26.22 mi1.02 mi940+83893+80893+80103(Top 0.4%)91(Top 0.6%)91(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1542

Males

1471

M18-39

1471

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1736

Males

1660

M18-39

1660

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1542

Males

1471

M18-39

1471

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1323

Males

1263

M18-39

1263

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1943

Males

1866

M18-39

1866

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1861

Males

1783

M18-39

1783

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1093

Males

1040

M18-39

1040

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

698

Males

661

M18-39

661

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

446

Males

413

M18-39

413

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

403

Males

374

M18-39

374

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

522

Males

491

M18-39

491

23M→24M

23.0 - 24.0 mi

Top 0.9%
×6stories
+12ft-82ft

Overall

234

Males

211

M18-39

211

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

309

Males

286

M18-39

286

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

228

Males

209

M18-39

209

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

103

Males

91

M18-39

91

Passing Analysis

Category:
Athletes Passed
1213
Passed By
148
Net Change
+1065
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2005
5K → 10K20142+159#2005#1846
10K → 15K12516+109#1846#1737
15K → 20K11314+99#1737#1638
20K → Half625-19#1638#1657
Half → 25K3046-16#1657#1673
25K → 30K1504+146#1673#1527
30K → 20M961+95#1527#1432
20M → 21M900+90#1432#1342
21M → 35K710+71#1342#1271
35K → 23M880+88#1271#1183
23M → 24M690+69#1183#1114
24M → 40K520+52#1114#1062
40K → 25.2M390+39#1062#1023
25.2M → Finish830+83#1023#940
TOTALS1213148+1065
📊

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