Boston Marathon logo
BOSTON MARATHON 2023

Nicolas Menzies

Bib: 4943•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #4825
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
41:38
Rank: #3970 (+855)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:02:17
Rank: #3836 (+134)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:23:26
Rank: #3996 (-160)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:28:00
Rank: #4001 (-5)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:17
Rank: #3883 (+118)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:05:14
Rank: #3601 (+282)
25K → 30K
20:57 | 6:45/mi
20M
2:14:20
Rank: #3423 (+178)
30K → 20M
9:06 | 6:42/mi
21M
2:21:22
Rank: #3307 (+116)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:26:13
Rank: #3252 (+55)
21M → 35K
4:51 | 6:29/mi
23M
2:34:22
Rank: #3064 (+188)
35K → 23M
8:09 | 6:31/mi
24M
2:40:36
Rank: #2915 (+149)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:46:02
Rank: #2776 (+139)
24M → 40K
5:26 | 6:21/mi
25.2M
2:48:27
Rank: #2744 (+32)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:54:50
Rank: #2661 (+83)
25.2M → Finish
6:23 | 6:16/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
Time1:28:00
Pace6:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:50
Pace6:37 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2421:116:4921:11
6:49
-
10K
6.21 mi10:43:5141:386:4220:27
6:35
-0:14
15K
9.32 mi11:04:301:02:176:4120:39
6:39
+0:04
20K
12.43 mi11:25:391:23:266:4321:09
6:48
+0:09
Half
13.11 mi11:30:131:28:006:434:34
6:42
-0:06
25K
15.53 mi11:46:301:44:176:4316:17
6:43
+0:01
30K
18.64 mi12:07:272:05:146:4320:57
6:45
+0:02
20M
20.00 mi12:16:332:14:206:439:06
6:42
-0:03
21M
21.00 mi12:23:352:21:226:447:02
7:02
+0:20
35K
21.75 mi12:28:262:26:136:434:51
6:29
-0:33
23M
23.00 mi12:36:352:34:226:438:09
6:31
+0:02
24M
24.00 mi12:42:492:40:366:426:14
6:14
-0:17
40K
24.85 mi12:48:152:46:026:415:26
6:21
+0:07
25.2M
25.20 mi12:50:402:48:276:412:25
7:00
+0:39
Finish
26.22 mi12:57:032:54:506:406:23
6:16
-0:44

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

6:14 /mi

Average Pace

6:40 /mi

Slowest Pace

7:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:23

95% of race

Time at Steady Pace

9:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:23:2421:116:4921:11
6:49
#4825
10K
6.21 mi10:43:5141:386:4220:27
6:35
#3970
15K
9.32 mi11:04:301:02:176:4120:39
6:39
#3836
20K
12.43 mi11:25:391:23:266:4321:09
6:48
#3996
Half
13.11 mi11:30:131:28:006:434:34
6:42
#4001
25K
15.53 mi11:46:301:44:176:4316:17
6:43
#3883
30K
18.64 mi12:07:272:05:146:4320:57
6:45
#3601
20M
20.00 mi12:16:332:14:206:439:06
6:42
#3423
21M
21.00 mi12:23:352:21:226:447:02
7:02
#3307
35K
21.75 mi12:28:262:26:136:434:51
6:29
#3252
23M
23.00 mi12:36:352:34:226:438:09
6:31
#3064
24M
24.00 mi12:42:492:40:366:426:14
6:14
#2915
40K
24.85 mi12:48:152:46:026:415:26
6:21
#2776
25.2M
25.20 mi12:50:402:48:276:412:25
7:00
#2744
Finish
26.22 mi12:57:032:54:506:406:23
6:16
#2661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4825448444843653(Top 14%)3444(Top 23%)3444(Top 154%)
10K6.21 mi3.10 mi3970+8553734+7503734+7503345(Top 13%)3182(Top 21%)3182(Top 142%)
15K9.32 mi3.11 mi3836+1343614+1203614+1203653(Top 14%)3444(Top 23%)3444(Top 154%)
20K12.43 mi3.11 mi3996-1603759-1453759-1454481(Top 17%)4177(Top 28%)4177(Top 186%)
Half13.11 mi0.68 mi4001-5375937594162(Top 16%)3886(Top 26%)3886(Top 173%)
25K15.53 mi2.42 mi3883+1183659+1003659+1003458(Top 13%)3271(Top 22%)3271(Top 146%)
30K18.64 mi3.11 mi3601+2823406+2533406+2532642(Top 10%)2510(Top 17%)2510(Top 112%)
20M20.00 mi1.36 mi3423+1783239+1673239+1672267(Top 9%)2156(Top 14%)2156(Top 96%)
21M21.00 mi1.00 mi3307+1163134+1053134+1052295(Top 9%)2168(Top 14%)2168(Top 97%)
35K21.75 mi0.75 mi3252+553080+543080+542334(Top 9%)2214(Top 15%)2214(Top 99%)
23M23.00 mi1.25 mi3064+1882910+1702910+1701470(Top 6%)1397(Top 9%)1397(Top 62%)
24M24.00 mi1.00 mi2915+1492771+1392771+1391150(Top 4%)1091(Top 7%)1091(Top 49%)
40K24.85 mi0.85 mi2776+1392638+1332638+1331085(Top 4%)1028(Top 7%)1028(Top 46%)
25.2M25.20 mi0.35 mi2744+322608+302608+301781(Top 7%)1674(Top 11%)1674(Top 75%)
Finish26.22 mi1.02 mi2661+832537+712537+711499(Top 6%)1418(Top 9%)1418(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3653

Males

3444

M40-44

3444

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3345

Males

3182

M40-44

3182

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3653

Males

3444

M40-44

3444

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4481

Males

4177

M40-44

4177

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4162

Males

3886

M40-44

3886

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3458

Males

3271

M40-44

3271

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2642

Males

2510

M40-44

2510

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2267

Males

2156

M40-44

2156

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2295

Males

2168

M40-44

2168

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2334

Males

2214

M40-44

2214

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1470

Males

1397

M40-44

1397

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1150

Males

1091

M40-44

1091

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1085

Males

1028

M40-44

1028

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1781

Males

1674

M40-44

1674

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1499

Males

1418

M40-44

1418

Passing Analysis

Category:
Athletes Passed
2552
Passed By
388
Net Change
+2164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4825
5K → 10K87520+855#4825#3970
10K → 15K19258+134#3970#3836
15K → 20K65225-160#3836#3996
20K → Half1621-5#3996#4001
Half → 25K14729+118#4001#3883
25K → 30K29614+282#3883#3601
30K → 20M1824+178#3601#3423
20M → 21M12610+116#3423#3307
21M → 35K572+55#3307#3252
35K → 23M1891+188#3252#3064
23M → 24M1490+149#3064#2915
24M → 40K1390+139#2915#2776
40K → 25.2M320+32#2776#2744
25.2M → Finish874+83#2744#2661
TOTALS2552388+2164
📊

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