Boston Marathon logo
BOSTON MARATHON 2023

Mark Maggi

Bib: 1286•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #1542
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:17
Rank: #1651 (-109)
5K → 10K
19:37 | 6:19/mi
15K· 9.32 mi
59:05
Rank: #1743 (-92)
10K → 15K
19:48 | 6:22/mi
20K· 12.43 mi
1:19:07
Rank: #1787 (-44)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:23:27
Rank: #1800 (-13)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:07
Rank: #1809 (-9)
Half → 25K
15:40 | 6:28/mi
30K· 18.64 mi
1:59:42
Rank: #1832 (-23)
25K → 30K
20:35 | 6:38/mi
20M
2:08:42
Rank: #1831 (+1)
30K → 20M
9:00 | 6:37/mi
21M
2:15:32
Rank: #1784 (+47)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:20:24
Rank: #1801 (-17)
21M → 35K
4:52 | 6:30/mi
23M
2:28:47
Rank: #1798 (+3)
35K → 23M
8:23 | 6:42/mi
24M
2:35:25
Rank: #1821 (-23)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:41:05
Rank: #1812 (+9)
24M → 40K
5:40 | 6:38/mi
25.2M
2:43:25
Rank: #1782 (+30)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:49:35
Rank: #1709 (+73)
25.2M → Finish
6:10 | 6:03/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
Time1:23:27
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:08
Pace6:34 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0719:406:2019:40
6:20
-
10K
6.21 mi10:39:4439:176:1919:37
6:19
-0:01
15K
9.32 mi10:59:3259:056:2019:48
6:22
+0:03
20K
12.43 mi11:19:341:19:076:2220:02
6:27
+0:05
Half
13.11 mi11:23:541:23:276:224:20
6:21
-0:06
25K
15.53 mi11:39:341:39:076:2315:40
6:28
+0:07
30K
18.64 mi12:00:091:59:426:2520:35
6:38
+0:10
20M
20.00 mi12:09:092:08:426:269:00
6:37
-0:01
21M
21.00 mi12:15:592:15:326:276:50
6:50
+0:13
35K
21.75 mi12:20:512:20:246:274:52
6:30
-0:20
23M
23.00 mi12:29:142:28:476:288:23
6:42
+0:12
24M
24.00 mi12:35:522:35:256:296:38
6:38
-0:04
40K
24.85 mi12:41:322:41:056:295:40
6:38
0:00
25.2M
25.20 mi12:43:522:43:256:292:20
6:46
+0:08
Finish
26.22 mi12:50:022:49:356:286:10
6:03
-0:43

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

6:03 /mi

Average Pace

6:28 /mi

Slowest Pace

6:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:02

90% of race

Time at Steady Pace

17:33

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:20:0719:406:2019:40
6:20
#1542
10K
6.21 mi10:39:4439:176:1919:37
6:19
#1651
15K
9.32 mi10:59:3259:056:2019:48
6:22
#1743
20K
12.43 mi11:19:341:19:076:2220:02
6:27
#1787
Half
13.11 mi11:23:541:23:276:224:20
6:21
#1800
25K
15.53 mi11:39:341:39:076:2315:40
6:28
#1809
30K
18.64 mi12:00:091:59:426:2520:35
6:38
#1832
20M
20.00 mi12:09:092:08:426:269:00
6:37
#1831
21M
21.00 mi12:15:592:15:326:276:50
6:50
#1784
35K
21.75 mi12:20:512:20:246:274:52
6:30
#1801
23M
23.00 mi12:29:142:28:476:288:23
6:42
#1798
24M
24.00 mi12:35:522:35:256:296:38
6:38
#1821
40K
24.85 mi12:41:322:41:056:295:40
6:38
#1812
25.2M
25.20 mi12:43:522:43:256:292:20
6:46
#1782
Finish
26.22 mi12:50:022:49:356:286:10
6:03
#1709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1542146914691961(Top 7%)1877(Top 12%)1877(Top 36%)
10K6.21 mi3.10 mi1651-1091576-1071576-1071821(Top 7%)1742(Top 11%)1742(Top 33%)
15K9.32 mi3.11 mi1743-921666-901666-901961(Top 7%)1877(Top 12%)1877(Top 36%)
20K12.43 mi3.11 mi1787-441710-441710-442018(Top 8%)1937(Top 13%)1937(Top 37%)
Half13.11 mi0.68 mi1800-131723-131723-131976(Top 7%)1899(Top 13%)1899(Top 36%)
25K15.53 mi2.42 mi1809-91730-71730-71993(Top 7%)1908(Top 13%)1908(Top 36%)
30K18.64 mi3.11 mi1832-231753-231753-232055(Top 8%)1962(Top 13%)1962(Top 37%)
20M20.00 mi1.36 mi1831+11750+31750+31945(Top 7%)1855(Top 12%)1855(Top 35%)
21M21.00 mi1.00 mi1784+471708+421708+421515(Top 6%)1444(Top 10%)1444(Top 27%)
35K21.75 mi0.75 mi1801-171722-141722-142398(Top 9%)2270(Top 15%)2270(Top 43%)
23M23.00 mi1.25 mi1798+31719+31719+32149(Top 8%)2029(Top 13%)2029(Top 38%)
24M24.00 mi1.00 mi1821-231741-221741-222706(Top 10%)2515(Top 17%)2515(Top 48%)
40K24.85 mi0.85 mi1812+91734+71734+72019(Top 8%)1889(Top 12%)1889(Top 36%)
25.2M25.20 mi0.35 mi1782+301703+311703+311083(Top 4%)1030(Top 7%)1030(Top 19%)
Finish26.22 mi1.02 mi1709+731633+701633+70863(Top 3%)827(Top 5%)827(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1961

Males

1877

M18-39

1877

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1821

Males

1742

M18-39

1742

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1961

Males

1877

M18-39

1877

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2018

Males

1937

M18-39

1937

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1976

Males

1899

M18-39

1899

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1993

Males

1908

M18-39

1908

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2055

Males

1962

M18-39

1962

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1945

Males

1855

M18-39

1855

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1515

Males

1444

M18-39

1444

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2398

Males

2270

M18-39

2270

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2149

Males

2029

M18-39

2029

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2706

Males

2515

M18-39

2515

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2019

Males

1889

M18-39

1889

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1083

Males

1030

M18-39

1030

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

863

Males

827

M18-39

827

Passing Analysis

Category:
Athletes Passed
487
Passed By
654
Net Change
-167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1542
5K → 10K44153-109#1542#1651
10K → 15K27119-92#1651#1743
15K → 20K3478-44#1743#1787
20K → Half720-13#1787#1800
Half → 25K2837-9#1800#1809
25K → 30K4871-23#1809#1832
30K → 20M3635+1#1832#1831
20M → 21M558+47#1831#1784
21M → 35K1734-17#1784#1801
35K → 23M3229+3#1801#1798
23M → 24M1841-23#1798#1821
24M → 40K2718+9#1821#1812
40K → 25.2M344+30#1812#1782
25.2M → Finish807+73#1782#1709
TOTALS487654-167
📊

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