Boston Marathon logo
BOSTON MARATHON 2023

Scott Ceremuga

Bib: 12406•M

VA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:14:08
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:38:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:04:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:30:37
↑ 181↓ 1480.2%
20M
8:42/mi
2:42:26
↑ 64↓ 500.2%
21M
9:18/mi
2:51:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
2:58:13
↑ 17↓ 861.7%
23M
8:47/mi
3:09:13
↑ 23↓ 630.6%
24M
8:33/mi
3:17:46
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:25:10
↓ 200.3%
25.2M
9:14/mi
3:28:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:36:40
↑ 22↓ 21

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
Time1:44:20
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0424:538:0124:53
8:01
-
10K
6.21 mi11:17:0948:587:5324:05
7:45
-0:16
15K
9.32 mi11:42:191:14:087:5725:10
8:06
+0:21
20K
12.43 mi12:07:061:38:557:5824:47
7:59
-0:07
Half
13.11 mi12:12:311:44:207:585:25
7:56
-0:03
25K
15.53 mi12:32:322:04:218:0020:01
8:15
+0:19
30K
18.64 mi12:58:482:30:378:0526:16
8:27
+0:12
20M
20.00 mi13:10:372:42:268:0711:49
8:42
+0:15
21M
21.00 mi13:19:552:51:448:119:18
9:18
+0:36
35K
21.75 mi13:26:242:58:138:126:29
8:40
-0:38
23M
23.00 mi13:37:243:09:138:1411:00
8:47
+0:07
24M
24.00 mi13:45:573:17:468:148:33
8:33
-0:14
40K
24.85 mi13:53:213:25:108:157:24
8:39
+0:06
25.2M
25.20 mi13:56:323:28:218:163:11
9:14
+0:35
Finish
26.22 mi14:04:513:36:408:168:19
8:10
-1:04

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

7:45 /mi

Average Pace

8:16 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:56

73% of race

Time at Steady Pace

45:15

21% of race

Time at Slower Pace

12:29

6% of race

Average Pace: 8:16 /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 mi10:53:0424:538:0124:53
8:01
#14078
10K
6.21 mi11:17:0948:587:5324:05
7:45
#13416
15K
9.32 mi11:42:191:14:087:5725:10
8:06
#13995
20K
12.43 mi12:07:061:38:557:5824:47
7:59
#13776
Half
13.11 mi12:12:311:44:207:585:25
7:56
#13773
25K
15.53 mi12:32:322:04:218:0020:01
8:15
#13911
30K
18.64 mi12:58:482:30:378:0526:16
8:27
#13942
20M
20.00 mi13:10:372:42:268:0711:49
8:42
#14015
21M
21.00 mi13:19:552:51:448:119:18
9:18
#14047
35K
21.75 mi13:26:242:58:138:126:29
8:40
#14124
23M
23.00 mi13:37:243:09:138:1411:00
8:47
#14156
24M
24.00 mi13:45:573:17:468:148:33
8:33
#14168
40K
24.85 mi13:53:213:25:108:157:24
8:39
#14166
25.2M
25.20 mi13:56:323:28:218:163:11
9:14
#14152
Finish
26.22 mi14:04:513:36:408:168:19
8:10
#14097
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi140789979997915151(Top 57%)10363(Top 68%)10363(Top 460%)
10K6.21 mi3.10 mi13416+6629708+2719708+27112690(Top 48%)9424(Top 62%)9424(Top 418%)
15K9.32 mi3.11 mi13995-5799925-2179925-21715151(Top 57%)10363(Top 68%)10363(Top 460%)
20K12.43 mi3.11 mi13776+2199810+1159810+11513236(Top 50%)9548(Top 63%)9548(Top 424%)
Half13.11 mi0.68 mi13773+39813-39813-313849(Top 52%)9843(Top 65%)9843(Top 437%)
25K15.53 mi2.42 mi13911-1389835-229835-2214623(Top 55%)10002(Top 66%)10002(Top 444%)
30K18.64 mi3.11 mi13942-319815+209815+2014007(Top 53%)9656(Top 64%)9656(Top 429%)
20M20.00 mi1.36 mi14015-739824-99824-914807(Top 56%)9896(Top 65%)9896(Top 439%)
21M21.00 mi1.00 mi14047-329817+79817+714951(Top 56%)9904(Top 65%)9904(Top 440%)
35K21.75 mi0.75 mi14124-779825-89825-816193(Top 61%)10355(Top 68%)10355(Top 460%)
23M23.00 mi1.25 mi14156-329820+59820+514887(Top 56%)9757(Top 64%)9757(Top 433%)
24M24.00 mi1.00 mi14168-129799+219799+2114744(Top 55%)9635(Top 63%)9635(Top 428%)
40K24.85 mi0.85 mi14166+29773+269773+2614250(Top 54%)9349(Top 62%)9349(Top 415%)
25.2M25.20 mi0.35 mi14152+149760+139760+1313744(Top 52%)9112(Top 60%)9112(Top 405%)
Finish26.22 mi1.02 mi14097+559722+389722+3813157(Top 49%)8853(Top 58%)8853(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15151

Males

10363

M45-49

10363

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12690

Males

9424

M45-49

9424

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15151

Males

10363

M45-49

10363

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13236

Males

9548

M45-49

9548

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13849

Males

9843

M45-49

9843

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14623

Males

10002

M45-49

10002

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14007

Males

9656

M45-49

9656

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14807

Males

9896

M45-49

9896

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14951

Males

9904

M45-49

9904

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16193

Males

10355

M45-49

10355

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14887

Males

9757

M45-49

9757

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14744

Males

9635

M45-49

9635

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14250

Males

9349

M45-49

9349

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13744

Males

9112

M45-49

9112

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13157

Males

8853

M45-49

8853

Passing Analysis

Category:
Athletes Passed
1929
Passed By
1948
Net Change
-19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14078
5K → 10K75896+662#14078#13416
10K → 15K54633-579#13416#13995
15K → 20K29576+219#13995#13776
20K → Half3128+3#13776#13773
Half → 25K92230-138#13773#13911
25K → 30K181212-31#13911#13942
30K → 20M70143-73#13942#14015
20M → 21M82114-32#14015#14047
21M → 35K25102-77#14047#14124
35K → 23M87119-32#14124#14156
23M → 24M5769-12#14156#14168
24M → 40K6967+2#14168#14166
40K → 25.2M3824+14#14166#14152
25.2M → Finish9035+55#14152#14097
TOTALS19291948-19
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing