Boston Marathon logo
BOSTON MARATHON 2024

Matthew Smith

Bib: 8453•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 39%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #10554
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
48:00
Rank: #12283 (-1729)
5K → 10K
24:46 | 7:58/mi
15K· 9.32 mi
1:12:30
Rank: #12333 (-50)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:37:08
Rank: #12032 (+301)
15K → 20K
24:38 | 7:56/mi
Half· 13.11 mi
1:42:29
Rank: #11999 (+33)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:01:51
Rank: #11575 (+424)
Half → 25K
19:22 | 7:59/mi
30K· 18.64 mi
2:27:24
Rank: #10991 (+584)
25K → 30K
25:33 | 8:13/mi
20M
2:38:43
Rank: #10728 (+263)
30K → 20M
11:19 | 8:20/mi
21M
2:47:33
Rank: #10489 (+239)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:53:33
Rank: #10344 (+145)
21M → 35K
6:00 | 8:01/mi
23M
3:04:00
Rank: #10121 (+223)
35K → 23M
10:27 | 8:21/mi
24M
3:12:07
Rank: #9943 (+178)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:19:04
Rank: #9778 (+165)
24M → 40K
6:57 | 8:08/mi
25.2M
3:22:05
Rank: #9685 (+93)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:29:49
Rank: #9516 (+169)
25.2M → Finish
7:44 | 7:35/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
Time1:42:29
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:20
Pace8:11 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3923:147:2923:14
7:29
-
10K
6.21 mi11:13:2548:007:4324:46
7:58
+0:29
15K
9.32 mi11:37:551:12:307:4724:30
7:53
-0:05
20K
12.43 mi12:02:331:37:087:4924:38
7:56
+0:03
Half
13.11 mi12:07:541:42:297:495:21
7:50
-0:06
25K
15.53 mi12:27:162:01:517:5119:22
7:59
+0:09
30K
18.64 mi12:52:492:27:247:5425:33
8:13
+0:14
20M
20.00 mi13:04:082:38:437:5611:19
8:20
+0:07
21M
21.00 mi13:12:582:47:337:598:50
8:50
+0:30
35K
21.75 mi13:18:582:53:337:596:00
8:01
-0:49
23M
23.00 mi13:29:253:04:008:0010:27
8:21
+0:20
24M
24.00 mi13:37:323:12:078:008:07
8:07
-0:14
40K
24.85 mi13:44:293:19:048:016:57
8:08
+0:01
25.2M
25.20 mi13:47:303:22:058:013:01
8:45
+0:37
Finish
26.22 mi13:55:143:29:498:007:44
7:35
-1:10

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

7:29 /mi

Average Pace

8:00 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:12

84% of race

Time at Steady Pace

24:47

12% of race

Time at Slower Pace

8:50

4% of race

Average Pace: 8:00 /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 mi10:48:3923:147:2923:14
7:29
#10554
10K
6.21 mi11:13:2548:007:4324:46
7:58
#12283
15K
9.32 mi11:37:551:12:307:4724:30
7:53
#12333
20K
12.43 mi12:02:331:37:087:4924:38
7:56
#12032
Half
13.11 mi12:07:541:42:297:495:21
7:50
#11999
25K
15.53 mi12:27:162:01:517:5119:22
7:59
#11575
30K
18.64 mi12:52:492:27:247:5425:33
8:13
#10991
20M
20.00 mi13:04:082:38:437:5611:19
8:20
#10728
21M
21.00 mi13:12:582:47:337:598:50
8:50
#10489
35K
21.75 mi13:18:582:53:337:596:00
8:01
#10344
23M
23.00 mi13:29:253:04:008:0010:27
8:21
#10121
24M
24.00 mi13:37:323:12:078:008:07
8:07
#9943
40K
24.85 mi13:44:293:19:048:016:57
8:08
#9778
25.2M
25.20 mi13:47:303:22:058:013:01
8:45
#9685
Finish
26.22 mi13:55:143:29:498:007:44
7:35
#9516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi105548212821212556(Top 49%)8982(Top 62%)8982(Top 405%)
10K6.21 mi3.10 mi12283-17298918-7068918-70613974(Top 55%)9597(Top 66%)9597(Top 433%)
15K9.32 mi3.11 mi12333-508924-68924-612556(Top 49%)8982(Top 62%)8982(Top 405%)
20K12.43 mi3.11 mi12032+3018765+1598765+15911293(Top 44%)8311(Top 57%)8311(Top 375%)
Half13.11 mi0.68 mi11999+338747+188747+1811571(Top 45%)8415(Top 58%)8415(Top 379%)
25K15.53 mi2.42 mi11575+4248525+2228525+22210105(Top 40%)7544(Top 52%)7544(Top 340%)
30K18.64 mi3.11 mi10991+5848145+3808145+3809131(Top 36%)6834(Top 47%)6834(Top 308%)
20M20.00 mi1.36 mi10728+2637958+1877958+1878524(Top 33%)6267(Top 43%)6267(Top 283%)
21M21.00 mi1.00 mi10489+2397786+1727786+1727763(Top 30%)5683(Top 39%)5683(Top 256%)
35K21.75 mi0.75 mi10344+1457684+1027684+1027902(Top 31%)5707(Top 39%)5707(Top 257%)
23M23.00 mi1.25 mi10121+2237512+1727512+1727613(Top 30%)5397(Top 37%)5397(Top 243%)
24M24.00 mi1.00 mi9943+1787377+1357377+1357281(Top 28%)5133(Top 35%)5133(Top 231%)
40K24.85 mi0.85 mi9778+1657255+1227255+1226423(Top 25%)4569(Top 31%)4569(Top 206%)
25.2M25.20 mi0.35 mi9685+937190+657190+655448(Top 21%)3983(Top 27%)3983(Top 180%)
Finish26.22 mi1.02 mi9516+1697068+1227068+1226110(Top 24%)4395(Top 30%)4395(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12556

Males

8982

M45-49

8982

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

13974

Males

9597

M45-49

9597

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12556

Males

8982

M45-49

8982

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11293

Males

8311

M45-49

8311

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11571

Males

8415

M45-49

8415

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10105

Males

7544

M45-49

7544

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9131

Males

6834

M45-49

6834

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8524

Males

6267

M45-49

6267

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7763

Males

5683

M45-49

5683

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

7902

Males

5707

M45-49

5707

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7613

Males

5397

M45-49

5397

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7281

Males

5133

M45-49

5133

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6423

Males

4569

M45-49

4569

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5448

Males

3983

M45-49

3983

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6110

Males

4395

M45-49

4395

Passing Analysis

Category:
Athletes Passed
3376*
Passed By
2338
Net Change
+1038
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10554
5K → 10K201749-1729#10554#12283
10K → 15K214264-50#12283#12333
15K → 20K39493+301#12333#12032
20K → Half5825+33#12032#11999
Half → 25K45834+424#11999#11575
25K → 30K63046+584#11575#10991
30K → 20M29431+263#10991#10728
20M → 21M26324+239#10728#10489
21M → 35K15510+145#10489#10344
35K → 23M24320+223#10344#10121
23M → 24M195*17+178#10121#9943
24M → 40K17813+165#9943#9778
40K → 25.2M996+93#9778#9685
25.2M → Finish1756+169#9685#9516
TOTALS3376*2338+1038

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

📊

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