Boston Marathon logo
BOSTON MARATHON 2024

Matthew Masi-Phelps

Bib: 2567•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 31%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:34
Rank: #2088
Start → 5K
19:34 | 6:18/mi
10K· 6.21 mi
39:16
Rank: #2085 (+3)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
59:02
Rank: #2038 (+47)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:19:04
Rank: #1985 (+53)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:23:29
Rank: #2013 (-28)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:39:21
Rank: #1957 (+56)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:00:46
Rank: #1945 (+12)
25K → 30K
21:25 | 6:54/mi
20M
2:10:21
Rank: #1966 (-21)
30K → 20M
9:35 | 7:03/mi
21M
2:17:41
Rank: #1924 (+42)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:22:47
Rank: #1906 (+18)
21M → 35K
5:06 | 6:49/mi
23M
2:31:59
Rank: #1925 (-19)
35K → 23M
9:12 | 7:21/mi
24M
2:39:20
Rank: #1955 (-30)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:45:44
Rank: #1982 (-27)
24M → 40K
6:24 | 7:29/mi
25.2M
2:48:39
Rank: #2003 (-21)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
2:56:06
Rank: #2066 (-63)
25.2M → Finish
7:27 | 7:19/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
Time1:23:29
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:32:37
Pace7:04 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4319:346:1819:34
6:18
-
10K
6.21 mi10:40:2539:166:1919:42
6:20
+0:02
15K
9.32 mi11:00:1159:026:2019:46
6:22
+0:02
20K
12.43 mi11:20:131:19:046:2220:02
6:27
+0:05
Half
13.11 mi11:24:381:23:296:224:25
6:28
+0:01
25K
15.53 mi11:40:301:39:216:2415:52
6:33
+0:05
30K
18.64 mi12:01:552:00:466:2921:25
6:54
+0:21
20M
20.00 mi12:11:302:10:216:319:35
7:03
+0:09
21M
21.00 mi12:18:502:17:416:337:20
7:20
+0:17
35K
21.75 mi12:23:562:22:476:345:06
6:49
-0:31
23M
23.00 mi12:33:082:31:596:369:12
7:21
+0:32
24M
24.00 mi12:40:292:39:206:387:21
7:21
0:00
40K
24.85 mi12:46:532:45:446:406:24
7:29
+0:08
25.2M
25.20 mi12:49:482:48:396:422:55
8:27
+0:58
Finish
26.22 mi12:57:152:56:066:437:27
7:19
-1:08

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

6:18 /mi

Average Pace

6:43 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:21

56% of race

Time at Steady Pace

36:06

20% of race

Time at Slower Pace

40:39

23% of race

Average Pace: 6:43 /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 mi10:20:4319:346:1819:34
6:18
#2088
10K
6.21 mi10:40:2539:166:1919:42
6:20
#2085
15K
9.32 mi11:00:1159:026:2019:46
6:22
#2038
20K
12.43 mi11:20:131:19:046:2220:02
6:27
#1985
Half
13.11 mi11:24:381:23:296:224:25
6:28
#2013
25K
15.53 mi11:40:301:39:216:2415:52
6:33
#1957
30K
18.64 mi12:01:552:00:466:2921:25
6:54
#1945
20M
20.00 mi12:11:302:10:216:319:35
7:03
#1966
21M
21.00 mi12:18:502:17:416:337:20
7:20
#1924
35K
21.75 mi12:23:562:22:476:345:06
6:49
#1906
23M
23.00 mi12:33:082:31:596:369:12
7:21
#1925
24M
24.00 mi12:40:292:39:206:387:21
7:21
#1955
40K
24.85 mi12:46:532:45:446:406:24
7:29
#1982
25.2M
25.20 mi12:49:482:48:396:422:55
8:27
#2003
Finish
26.22 mi12:57:152:56:066:437:27
7:19
#2066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2088202320232007(Top 8%)1941(Top 13%)1941(Top 40%)
10K6.21 mi3.10 mi2085+32016+72016+72112(Top 8%)2040(Top 14%)2040(Top 42%)
15K9.32 mi3.11 mi2038+471969+471969+472007(Top 8%)1941(Top 13%)1941(Top 40%)
20K12.43 mi3.11 mi1985+531920+491920+491934(Top 8%)1866(Top 13%)1866(Top 38%)
Half13.11 mi0.68 mi2013-281945-251945-252456(Top 10%)2351(Top 16%)2351(Top 48%)
25K15.53 mi2.42 mi1957+561894+511894+511942(Top 8%)1865(Top 13%)1865(Top 38%)
30K18.64 mi3.11 mi1945+121879+151879+152337(Top 9%)2204(Top 15%)2204(Top 45%)
20M20.00 mi1.36 mi1966-211895-161895-162555(Top 10%)2376(Top 16%)2376(Top 49%)
21M21.00 mi1.00 mi1924+421855+401855+401957(Top 8%)1817(Top 12%)1817(Top 37%)
35K21.75 mi0.75 mi1906+181833+221833+222337(Top 9%)2141(Top 15%)2141(Top 44%)
23M23.00 mi1.25 mi1925-191843-101843-103055(Top 12%)2698(Top 19%)2698(Top 56%)
24M24.00 mi1.00 mi1955-301869-261869-263520(Top 14%)2988(Top 20%)2988(Top 62%)
40K24.85 mi0.85 mi1982-271891-221891-223419(Top 13%)2830(Top 19%)2830(Top 58%)
25.2M25.20 mi0.35 mi2003-211911-201911-204200(Top 16%)3264(Top 22%)3264(Top 67%)
Finish26.22 mi1.02 mi2066-631962-511962-514546(Top 18%)3531(Top 24%)3531(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2007

Males

1941

M18-39

1941

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2112

Males

2040

M18-39

2040

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2007

Males

1941

M18-39

1941

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

1934

Males

1866

M18-39

1866

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2456

Males

2351

M18-39

2351

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

1942

Males

1865

M18-39

1865

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2337

Males

2204

M18-39

2204

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2555

Males

2376

M18-39

2376

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

1957

Males

1817

M18-39

1817

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2337

Males

2141

M18-39

2141

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3055

Males

2698

M18-39

2698

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3520

Males

2988

M18-39

2988

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3419

Males

2830

M18-39

2830

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4200

Males

3264

M18-39

3264

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4546

Males

3531

M18-39

3531

Passing Analysis

Category:
Athletes Passed
827
Passed By
805
Net Change
+22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2088
5K → 10K111108+3#2088#2085
10K → 15K10457+47#2085#2038
15K → 20K11966+53#2038#1985
20K → Half432-28#1985#2013
Half → 25K9640+56#2013#1957
25K → 30K117105+12#1957#1945
30K → 20M4263-21#1945#1966
20M → 21M7129+42#1966#1924
21M → 35K3315+18#1924#1906
35K → 23M4362-19#1906#1925
23M → 24M3262-30#1925#1955
24M → 40K2350-27#1955#1982
40K → 25.2M1233-21#1982#2003
25.2M → Finish2083-63#2003#2066
TOTALS827805+22
📊

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