Boston Marathon logo
BOSTON MARATHON 2024

Spencer Musick

Bib: 3665•M

NC

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #3941
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
41:03
Rank: #3819 (+122)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:29
Rank: #3546 (+273)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:32
Rank: #3547 (-1)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:27:06
Rank: #3553 (-6)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:39
Rank: #3464 (+89)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:07:58
Rank: #4186 (-722)
25K → 30K
24:19 | 7:50/mi
20M
2:23:11
Rank: #5571 (-1385)
30K → 20M
15:13 | 11:12/mi
21M
2:37:06
Rank: #7111 (-1540)
20M → 21M
13:55 | 13:55/mi
35K· 21.75 mi
2:46:11
Rank: #8045 (-934)
21M → 35K
9:05 | 12:08/mi
23M
2:58:46
Rank: #8536 (-491)
35K → 23M
12:35 | 10:03/mi
24M
3:08:53
Rank: #8989 (-453)
23M → 24M
10:07 | 10:07/mi
40K· 24.85 mi
3:17:35
Rank: #9350 (-361)
24M → 40K
8:42 | 10:11/mi
25.2M
3:21:48
Rank: #9591 (-241)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
3:32:12
Rank: #10080 (-489)
25.2M → Finish
10:24 | 10:12/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
Time1:27:06
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time2:05:06
Pace9:33 /mi
📊Positive Split: 43.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3520:286:3520:28
6:35
-
10K
6.21 mi10:43:1041:036:3620:35
6:38
+0:03
15K
9.32 mi11:03:361:01:296:3620:26
6:35
-0:03
20K
12.43 mi11:24:391:22:326:3821:03
6:47
+0:12
Half
13.11 mi11:29:131:27:066:394:34
6:42
-0:05
25K
15.53 mi11:45:461:43:396:4016:33
6:50
+0:08
30K
18.64 mi12:10:052:07:586:5224:19
7:50
+1:00
20M
20.00 mi12:25:182:23:117:1015:13
11:12
+3:22
21M
21.00 mi12:39:132:37:067:2913:55
13:55
+2:43
35K
21.75 mi12:48:182:46:117:389:05
12:08
-1:47
23M
23.00 mi13:00:532:58:467:4612:35
10:03
-2:05
24M
24.00 mi13:11:003:08:537:5210:07
10:07
+0:04
40K
24.85 mi13:19:423:17:357:578:42
10:11
+0:04
25.2M
25.20 mi13:23:553:21:488:004:13
12:14
+2:03
Finish
26.22 mi13:34:193:32:128:0610:24
10:12
-2:02

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

6:35 /mi

Average Pace

8:06 /mi

Slowest Pace

13:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:58

60% of race

Time at Steady Pace

57:01

27% of race

Time at Slower Pace

27:13

13% of race

Average Pace: 8:06 /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 mi10:22:3520:286:3520:28
6:35
#3941
10K
6.21 mi10:43:1041:036:3620:35
6:38
#3819
15K
9.32 mi11:03:361:01:296:3620:26
6:35
#3546
20K
12.43 mi11:24:391:22:326:3821:03
6:47
#3547
Half
13.11 mi11:29:131:27:066:394:34
6:42
#3553
25K
15.53 mi11:45:461:43:396:4016:33
6:50
#3464
30K
18.64 mi12:10:052:07:586:5224:19
7:50
#4186
20M
20.00 mi12:25:182:23:117:1015:13
11:12
#5571
21M
21.00 mi12:39:132:37:067:2913:55
13:55
#7111
35K
21.75 mi12:48:182:46:117:389:05
12:08
#8045
23M
23.00 mi13:00:532:58:467:4612:35
10:03
#8536
24M
24.00 mi13:11:003:08:537:5210:07
10:07
#8989
40K
24.85 mi13:19:423:17:357:578:42
10:11
#9350
25.2M
25.20 mi13:23:553:21:488:004:13
12:14
#9591
Finish
26.22 mi13:34:193:32:128:0610:24
10:12
#10080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3941372837283143(Top 12%)2995(Top 21%)2995(Top 62%)
10K6.21 mi3.10 mi3819+1223614+1143614+1143802(Top 15%)3588(Top 25%)3588(Top 74%)
15K9.32 mi3.11 mi3546+2733368+2463368+2463143(Top 12%)2995(Top 21%)2995(Top 62%)
20K12.43 mi3.11 mi3547-13366+23366+23693(Top 14%)3479(Top 24%)3479(Top 72%)
Half13.11 mi0.68 mi3553-63373-73373-73794(Top 15%)3564(Top 24%)3564(Top 73%)
25K15.53 mi2.42 mi3464+893283+903283+903369(Top 13%)3158(Top 22%)3158(Top 65%)
30K18.64 mi3.11 mi4186-7223900-6173900-6176881(Top 27%)5561(Top 38%)5561(Top 115%)
20M20.00 mi1.36 mi5571-13854951-10514951-105119716(Top 77%)11596(Top 80%)11596(Top 239%)
21M21.00 mi1.00 mi7111-15405978-10275978-102722207(Top 87%)12767(Top 88%)12767(Top 263%)
35K21.75 mi0.75 mi8045-9346486-5086486-50822038(Top 86%)12617(Top 87%)12617(Top 260%)
23M23.00 mi1.25 mi8536-4916691-2056691-20515634(Top 61%)9369(Top 64%)9369(Top 193%)
24M24.00 mi1.00 mi8989-4536899-2086899-20816676(Top 65%)9859(Top 68%)9859(Top 203%)
40K24.85 mi0.85 mi9350-3617032-1337032-13315594(Top 61%)9242(Top 63%)9242(Top 191%)
25.2M25.20 mi0.35 mi9591-2417140-1087140-10817841(Top 70%)10329(Top 71%)10329(Top 213%)
Finish26.22 mi1.02 mi10080-4897343-2037343-20319081(Top 75%)11023(Top 76%)11023(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3143

Males

2995

M18-39

2995

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3802

Males

3588

M18-39

3588

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3143

Males

2995

M18-39

2995

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3693

Males

3479

M18-39

3479

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3794

Males

3564

M18-39

3564

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3369

Males

3158

M18-39

3158

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6881

Males

5561

M18-39

5561

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

19716

Males

11596

M18-39

11596

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

22207

Males

12767

M18-39

12767

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22038

Males

12617

M18-39

12617

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

15634

Males

9369

M18-39

9369

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

16676

Males

9859

M18-39

9859

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15594

Males

9242

M18-39

9242

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17841

Males

10329

M18-39

10329

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19081

Males

11023

M18-39

11023

Passing Analysis

Category:
Athletes Passed
1016
Passed By
7153
Net Change
-6139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3941
5K → 10K227105+122#3941#3819
10K → 15K29522+273#3819#3546
15K → 20K128129-1#3546#3547
20K → Half2228-6#3547#3553
Half → 25K16879+89#3553#3464
25K → 30K44766-722#3464#4186
30K → 20M41389-1385#4186#5571
20M → 21M61546-1540#5571#7111
21M → 35K7941-934#7111#8045
35K → 23M42533-491#8045#8536
23M → 24M16469-453#8536#8989
24M → 40K29390-361#8989#9350
40K → 25.2M10251-241#9350#9591
25.2M → Finish18505-489#9591#10080
TOTALS10167153-6139
📊

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