Boston Marathon logo
BOSTON MARATHON 2023

Matthew Loughman

Bib: 4598•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3845
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:19
Rank: #3519 (+326)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:47
Rank: #3407 (+112)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:22:15
Rank: #3195 (+212)
15K → 20K
20:28 | 6:35/mi
Half· 13.11 mi
1:26:39
Rank: #3151 (+44)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:42:45
Rank: #3094 (+57)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:03:38
Rank: #2925 (+169)
25K → 30K
20:53 | 6:43/mi
20M
2:12:45
Rank: #2861 (+64)
30K → 20M
9:07 | 6:43/mi
21M
2:19:38
Rank: #2739 (+122)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:24:27
Rank: #2694 (+45)
21M → 35K
4:49 | 6:26/mi
23M
2:32:50
Rank: #2616 (+78)
35K → 23M
8:23 | 6:42/mi
24M
2:39:22
Rank: #2563 (+53)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:45:05
Rank: #2546 (+17)
24M → 40K
5:43 | 6:41/mi
25.2M
2:47:32
Rank: #2530 (+16)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:54:03
Rank: #2484 (+46)
25.2M → Finish
6:31 | 6:24/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
Time1:26:39
Pace6:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3920:536:4320:53
6:43
-
10K
6.21 mi10:43:0541:196:3920:26
6:35
-0:08
15K
9.32 mi11:03:331:01:476:3820:28
6:35
0:00
20K
12.43 mi11:24:011:22:156:3720:28
6:35
0:00
Half
13.11 mi11:28:251:26:396:374:24
6:27
-0:08
25K
15.53 mi11:44:311:42:456:3716:06
6:38
+0:11
30K
18.64 mi12:05:242:03:386:3820:53
6:43
+0:05
20M
20.00 mi12:14:312:12:456:389:07
6:43
0:00
21M
21.00 mi12:21:242:19:386:396:53
6:53
+0:10
35K
21.75 mi12:26:132:24:276:394:49
6:26
-0:27
23M
23.00 mi12:34:362:32:506:398:23
6:42
+0:16
24M
24.00 mi12:41:082:39:226:386:32
6:32
-0:10
40K
24.85 mi12:46:512:45:056:395:43
6:41
+0:09
25.2M
25.20 mi12:49:182:47:326:392:27
7:06
+0:25
Finish
26.22 mi12:55:492:54:036:396:31
6:24
-0:42

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

6:24 /mi

Average Pace

6:39 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:36

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:3920:536:4320:53
6:43
#3845
10K
6.21 mi10:43:0541:196:3920:26
6:35
#3519
15K
9.32 mi11:03:331:01:476:3820:28
6:35
#3407
20K
12.43 mi11:24:011:22:156:3720:28
6:35
#3195
Half
13.11 mi11:28:251:26:396:374:24
6:27
#3151
25K
15.53 mi11:44:311:42:456:3716:06
6:38
#3094
30K
18.64 mi12:05:242:03:386:3820:53
6:43
#2925
20M
20.00 mi12:14:312:12:456:389:07
6:43
#2861
21M
21.00 mi12:21:242:19:386:396:53
6:53
#2739
35K
21.75 mi12:26:132:24:276:394:49
6:26
#2694
23M
23.00 mi12:34:362:32:506:398:23
6:42
#2616
24M
24.00 mi12:41:082:39:226:386:32
6:32
#2563
40K
24.85 mi12:46:512:45:056:395:43
6:41
#2546
25.2M
25.20 mi12:49:182:47:326:392:27
7:06
#2530
Finish
26.22 mi12:55:492:54:036:396:31
6:24
#2484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3845361136113187(Top 12%)3033(Top 20%)3033(Top 135%)
10K6.21 mi3.10 mi3519+3263322+2893322+2893314(Top 12%)3153(Top 21%)3153(Top 141%)
15K9.32 mi3.11 mi3407+1123228+943228+943187(Top 12%)3033(Top 20%)3033(Top 135%)
20K12.43 mi3.11 mi3195+2123041+1873041+1872764(Top 10%)2643(Top 17%)2643(Top 118%)
Half13.11 mi0.68 mi3151+443001+403001+402491(Top 9%)2390(Top 16%)2390(Top 107%)
25K15.53 mi2.42 mi3094+572949+522949+522935(Top 11%)2802(Top 18%)2802(Top 125%)
30K18.64 mi3.11 mi2925+1692795+1542795+1542516(Top 9%)2393(Top 16%)2393(Top 107%)
20M20.00 mi1.36 mi2861+642735+602735+602318(Top 9%)2201(Top 15%)2201(Top 98%)
21M21.00 mi1.00 mi2739+1222617+1182617+1181725(Top 6%)1641(Top 11%)1641(Top 73%)
35K21.75 mi0.75 mi2694+452575+422575+422138(Top 8%)2031(Top 13%)2031(Top 91%)
23M23.00 mi1.25 mi2616+782501+742501+742166(Top 8%)2046(Top 13%)2046(Top 91%)
24M24.00 mi1.00 mi2563+532449+522449+522230(Top 8%)2088(Top 14%)2088(Top 93%)
40K24.85 mi0.85 mi2546+172431+182431+182276(Top 9%)2114(Top 14%)2114(Top 94%)
25.2M25.20 mi0.35 mi2530+162414+172414+172124(Top 8%)1980(Top 13%)1980(Top 88%)
Finish26.22 mi1.02 mi2484+462371+432371+431999(Top 8%)1864(Top 12%)1864(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3187

Males

3033

M40-44

3033

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3314

Males

3153

M40-44

3153

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3187

Males

3033

M40-44

3033

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2764

Males

2643

M40-44

2643

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2491

Males

2390

M40-44

2390

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2935

Males

2802

M40-44

2802

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2516

Males

2393

M40-44

2393

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2318

Males

2201

M40-44

2201

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1725

Males

1641

M40-44

1641

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2138

Males

2031

M40-44

2031

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2166

Males

2046

M40-44

2046

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2230

Males

2088

M40-44

2088

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2276

Males

2114

M40-44

2114

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2124

Males

1980

M40-44

1980

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

1999

Males

1864

M40-44

1864

Passing Analysis

Category:
Athletes Passed
1647
Passed By
286
Net Change
+1361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3845
5K → 10K40781+326#3845#3519
10K → 15K16048+112#3519#3407
15K → 20K22715+212#3407#3195
20K → Half517+44#3195#3151
Half → 25K9033+57#3151#3094
25K → 30K18011+169#3094#2925
30K → 20M7410+64#2925#2861
20M → 21M1231+122#2861#2739
21M → 35K505+45#2739#2694
35K → 23M9012+78#2694#2616
23M → 24M6512+53#2616#2563
24M → 40K4225+17#2563#2546
40K → 25.2M2711+16#2546#2530
25.2M → Finish6115+46#2530#2484
TOTALS1647286+1361
📊

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