Boston Marathon logo
BOSTON MARATHON 2023

Christopher Naples

Bib: 12112•M

OH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
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
7:33/mi
23:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:25
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:20:15
↑ 181↓ 1480.2%
20M
7:52/mi
2:30:56
↑ 64↓ 500.2%
21M
8:08/mi
2:39:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:44:55
↑ 17↓ 861.7%
23M
7:50/mi
2:54:44
↑ 23↓ 630.6%
24M
7:45/mi
3:02:29
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:09:07
↓ 200.3%
25.2M
8:30/mi
3:12:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:19:41
↑ 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
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:41:40
Pace7:45 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5023:267:3323:26
7:33
-
10K
6.21 mi11:13:3946:157:2722:49
7:21
-0:12
15K
9.32 mi11:36:491:09:257:2723:10
7:27
+0:06
20K
12.43 mi12:00:211:32:577:2923:32
7:34
+0:07
Half
13.11 mi12:05:251:38:017:295:04
7:26
-0:08
25K
15.53 mi12:23:481:56:247:3018:23
7:35
+0:09
30K
18.64 mi12:47:392:20:157:3123:51
7:41
+0:06
20M
20.00 mi12:58:202:30:567:3310:41
7:52
+0:11
21M
21.00 mi13:06:282:39:047:348:08
8:08
+0:16
35K
21.75 mi13:12:192:44:557:355:51
7:49
-0:19
23M
23.00 mi13:22:082:54:447:369:49
7:50
+0:01
24M
24.00 mi13:29:533:02:297:367:45
7:45
-0:05
40K
24.85 mi13:36:313:09:077:376:38
7:45
0:00
25.2M
25.20 mi13:39:273:12:037:372:56
8:30
+0:45
Finish
26.22 mi13:47:053:19:417:377:38
7:29
-1:01

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

7:21 /mi

Average Pace

7:37 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:37

94% of race

Time at Steady Pace

11:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:50:5023:267:3323:26
7:33
#10002
10K
6.21 mi11:13:3946:157:2722:49
7:21
#9523
15K
9.32 mi11:36:491:09:257:2723:10
7:27
#9591
20K
12.43 mi12:00:211:32:577:2923:32
7:34
#9644
Half
13.11 mi12:05:251:38:017:295:04
7:26
#9634
25K
15.53 mi12:23:481:56:247:3018:23
7:35
#9584
30K
18.64 mi12:47:392:20:157:3123:51
7:41
#9344
20M
20.00 mi12:58:202:30:567:3310:41
7:52
#9328
21M
21.00 mi13:06:282:39:047:348:08
8:08
#9220
35K
21.75 mi13:12:192:44:557:355:51
7:49
#9263
23M
23.00 mi13:22:082:54:447:369:49
7:50
#9209
24M
24.00 mi13:29:533:02:297:367:45
7:45
#9180
40K
24.85 mi13:36:313:09:077:376:38
7:45
#9125
25.2M
25.20 mi13:39:273:12:037:372:56
8:30
#9133
Finish
26.22 mi13:47:053:19:417:377:38
7:29
#9106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10002812781279812(Top 37%)8041(Top 53%)8041(Top 357%)
10K6.21 mi3.10 mi9523+4797888+2397888+2399176(Top 34%)7681(Top 51%)7681(Top 341%)
15K9.32 mi3.11 mi9591-687923-357923-359812(Top 37%)8041(Top 53%)8041(Top 357%)
20K12.43 mi3.11 mi9644-537951-287951-289884(Top 37%)8006(Top 53%)8006(Top 356%)
Half13.11 mi0.68 mi9634+107945+67945+69566(Top 36%)7847(Top 52%)7847(Top 348%)
25K15.53 mi2.42 mi9584+507891+547891+549391(Top 35%)7657(Top 50%)7657(Top 340%)
30K18.64 mi3.11 mi9344+2407706+1857706+1858480(Top 32%)6973(Top 46%)6973(Top 310%)
20M20.00 mi1.36 mi9328+167671+357671+359290(Top 35%)7350(Top 48%)7350(Top 326%)
21M21.00 mi1.00 mi9220+1087587+847587+848187(Top 31%)6585(Top 43%)6585(Top 292%)
35K21.75 mi0.75 mi9263-437596-97596-910755(Top 40%)7978(Top 53%)7978(Top 354%)
23M23.00 mi1.25 mi9209+547539+577539+578669(Top 33%)6795(Top 45%)6795(Top 302%)
24M24.00 mi1.00 mi9180+297502+377502+379402(Top 35%)7100(Top 47%)7100(Top 315%)
40K24.85 mi0.85 mi9125+557444+587444+588369(Top 31%)6475(Top 43%)6475(Top 288%)
25.2M25.20 mi0.35 mi9133-87442+27442+29489(Top 36%)7015(Top 46%)7015(Top 312%)
Finish26.22 mi1.02 mi9106+277401+417401+418467(Top 32%)6443(Top 42%)6443(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9812

Males

8041

M45-49

8041

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9176

Males

7681

M45-49

7681

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9812

Males

8041

M45-49

8041

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9884

Males

8006

M45-49

8006

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9566

Males

7847

M45-49

7847

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9391

Males

7657

M45-49

7657

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8480

Males

6973

M45-49

6973

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9290

Males

7350

M45-49

7350

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8187

Males

6585

M45-49

6585

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10755

Males

7978

M45-49

7978

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8669

Males

6795

M45-49

6795

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9402

Males

7100

M45-49

7100

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8369

Males

6475

M45-49

6475

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9489

Males

7015

M45-49

7015

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8467

Males

6443

M45-49

6443

Passing Analysis

Category:
Athletes Passed
1938*
Passed By
1042
Net Change
+896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10002
5K → 10K597*118+479#10002#9523
10K → 15K138206-68#9523#9591
15K → 20K126179-53#9591#9644
20K → Half2818+10#9644#9634
Half → 25K14292+50#9634#9584
25K → 30K298*58+240#9584#9344
30K → 20M8367+16#9344#9328
20M → 21M14133+108#9328#9220
21M → 35K3477-43#9220#9263
35K → 23M10349+54#9263#9209
23M → 24M7344+29#9209#9180
24M → 40K8126+55#9180#9125
40K → 25.2M2230-8#9125#9133
25.2M → Finish7245+27#9133#9106
TOTALS1938*1042+896

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

📊

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