Boston Marathon logo
BOSTON MARATHON 2023

Sam Morgan

Bib: 8733•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M45-49)
#0 / 2252
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #9265
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:28
Rank: #9813 (-548)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:10:14
Rank: #10374 (-561)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:33:30
Rank: #10033 (+341)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:38:31
Rank: #9972 (+61)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:56:44
Rank: #9771 (+201)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:20:35
Rank: #9501 (+270)
25K → 30K
23:51 | 7:41/mi
20M
2:31:00
Rank: #9358 (+143)
30K → 20M
10:25 | 7:40/mi
21M
2:39:08
Rank: #9246 (+112)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:45:08
Rank: #9335 (-89)
21M → 35K
6:00 | 8:01/mi
23M
2:54:46
Rank: #9219 (+116)
35K → 23M
9:38 | 7:42/mi
24M
3:02:14
Rank: #9115 (+104)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:08:39
Rank: #9004 (+111)
24M → 40K
6:25 | 7:30/mi
25.2M
3:11:25
Rank: #8946 (+58)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:18:47
Rank: #8821 (+125)
25.2M → Finish
7:22 | 7:14/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
Time1:38:31
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3823:107:2723:10
7:27
-
10K
6.21 mi11:11:5646:287:2923:18
7:30
+0:03
15K
9.32 mi11:35:421:10:147:3223:46
7:39
+0:09
20K
12.43 mi11:58:581:33:307:3123:16
7:29
-0:10
Half
13.11 mi12:03:591:38:317:315:01
7:21
-0:08
25K
15.53 mi12:22:121:56:447:3118:13
7:31
+0:10
30K
18.64 mi12:46:032:20:357:3223:51
7:41
+0:10
20M
20.00 mi12:56:282:31:007:3310:25
7:40
-0:01
21M
21.00 mi13:04:362:39:087:358:08
8:08
+0:28
35K
21.75 mi13:10:362:45:087:366:00
8:01
-0:07
23M
23.00 mi13:20:142:54:467:369:38
7:42
-0:19
24M
24.00 mi13:27:423:02:147:367:28
7:28
-0:14
40K
24.85 mi13:34:073:08:397:356:25
7:30
+0:02
25.2M
25.20 mi13:36:533:11:257:362:46
8:01
+0:31
Finish
26.22 mi13:44:153:18:477:357:22
7:14
-0:47

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

7:14 /mi

Average Pace

7:35 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:53

91% of race

Time at Steady Pace

16:54

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:48:3823:107:2723:10
7:27
#9265
10K
6.21 mi11:11:5646:287:2923:18
7:30
#9813
15K
9.32 mi11:35:421:10:147:3223:46
7:39
#10374
20K
12.43 mi11:58:581:33:307:3123:16
7:29
#10033
Half
13.11 mi12:03:591:38:317:315:01
7:21
#9972
25K
15.53 mi12:22:121:56:447:3118:13
7:31
#9771
30K
18.64 mi12:46:032:20:357:3223:51
7:41
#9501
20M
20.00 mi12:56:282:31:007:3310:25
7:40
#9358
21M
21.00 mi13:04:362:39:087:358:08
8:08
#9246
35K
21.75 mi13:10:362:45:087:366:00
8:01
#9335
23M
23.00 mi13:20:142:54:467:369:38
7:42
#9219
24M
24.00 mi13:27:423:02:147:367:28
7:28
#9115
40K
24.85 mi13:34:073:08:397:356:25
7:30
#9004
25.2M
25.20 mi13:36:533:11:257:362:46
8:01
#8946
Finish
26.22 mi13:44:153:18:477:357:22
7:14
#8821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi92657741774111395(Top 43%)8810(Top 58%)8810(Top 391%)
10K6.21 mi3.10 mi9813-5488052-3118052-31110422(Top 39%)8390(Top 55%)8390(Top 373%)
15K9.32 mi3.11 mi10374-5618360-3088360-30811395(Top 43%)8810(Top 58%)8810(Top 391%)
20K12.43 mi3.11 mi10033+3418177+1838177+1839215(Top 35%)7635(Top 50%)7635(Top 339%)
Half13.11 mi0.68 mi9972+618133+448133+448992(Top 34%)7508(Top 49%)7508(Top 333%)
25K15.53 mi2.42 mi9771+2018006+1278006+1278870(Top 33%)7350(Top 48%)7350(Top 326%)
30K18.64 mi3.11 mi9501+2707800+2067800+2068476(Top 32%)6969(Top 46%)6969(Top 309%)
20M20.00 mi1.36 mi9358+1437689+1117689+1117925(Top 30%)6551(Top 43%)6551(Top 291%)
21M21.00 mi1.00 mi9246+1127601+887601+888184(Top 31%)6582(Top 43%)6582(Top 292%)
35K21.75 mi0.75 mi9335-897636-357636-3512215(Top 46%)8633(Top 57%)8633(Top 383%)
23M23.00 mi1.25 mi9219+1167545+917545+917684(Top 29%)6234(Top 41%)6234(Top 277%)
24M24.00 mi1.00 mi9115+1047463+827463+827472(Top 28%)5997(Top 40%)5997(Top 266%)
40K24.85 mi0.85 mi9004+1117379+847379+846765(Top 25%)5502(Top 36%)5502(Top 244%)
25.2M25.20 mi0.35 mi8946+587332+477332+476637(Top 25%)5363(Top 35%)5363(Top 238%)
Finish26.22 mi1.02 mi8821+1257240+927240+926620(Top 25%)5331(Top 35%)5331(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11395

Males

8810

M45-49

8810

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10422

Males

8390

M45-49

8390

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11395

Males

8810

M45-49

8810

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9215

Males

7635

M45-49

7635

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8992

Males

7508

M45-49

7508

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8870

Males

7350

M45-49

7350

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8476

Males

6969

M45-49

6969

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7925

Males

6551

M45-49

6551

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8184

Males

6582

M45-49

6582

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12215

Males

8633

M45-49

8633

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7684

Males

6234

M45-49

6234

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7472

Males

5997

M45-49

5997

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6765

Males

5502

M45-49

5502

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6637

Males

5363

M45-49

5363

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6620

Males

5331

M45-49

5331

Passing Analysis

Category:
Athletes Passed
2052*
Passed By
1606
Net Change
+444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9265
5K → 10K116664-548#9265#9813
10K → 15K46605-561#9813#10374
15K → 20K379*38+341#10374#10033
20K → Half68*7+61#10033#9972
Half → 25K222*21+201#9972#9771
25K → 30K316*46+270#9771#9501
30K → 20M16320+143#9501#9358
20M → 21M14432+112#9358#9246
21M → 35K28117-89#9246#9335
35K → 23M13822+116#9335#9219
23M → 24M11410+104#9219#9115
24M → 40K1176+111#9115#9004
40K → 25.2M635+58#9004#8946
25.2M → Finish13813+125#8946#8821
TOTALS2052*1606+444

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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