Boston Marathon logo
BOSTON MARATHON 2024

James Sumers

Bib: 15597•M

IL

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
56:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:06/mi
1:24:32
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:52:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:58:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:21:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:51:33
↑ 181↓ 1480.2%
20M
9:59/mi
3:05:07
↑ 64↓ 500.2%
21M
10:52/mi
3:15:59
↑ 106↓ 241.6%
35K· 21.75 mi
10:16/mi
3:23:40
↑ 17↓ 861.7%
23M
10:28/mi
3:36:46
↑ 23↓ 630.6%
24M
10:33/mi
3:47:19
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:56:24
↓ 200.3%
25.2M
11:21/mi
4:00:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
4:10:23
↑ 22↓ 21

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
Time1:58:53
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:11:30
Pace10:02 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5627:599:0027:59
9:00
-
10K
6.21 mi11:27:1356:169:0328:17
9:06
+0:06
15K
9.32 mi11:55:291:24:329:0428:16
9:06
0:00
20K
12.43 mi12:23:391:52:429:0428:10
9:04
-0:02
Half
13.11 mi12:29:501:58:539:046:11
9:04
0:00
25K
15.53 mi12:52:222:21:259:0622:32
9:18
+0:14
30K
18.64 mi13:22:302:51:339:1230:08
9:42
+0:24
20M
20.00 mi13:36:043:05:079:1513:34
9:59
+0:17
21M
21.00 mi13:46:563:15:599:2010:52
10:52
+0:53
35K
21.75 mi13:54:373:23:409:227:41
10:16
-0:36
23M
23.00 mi14:07:433:36:469:2513:06
10:28
+0:12
24M
24.00 mi14:18:163:47:199:2810:33
10:33
+0:05
40K
24.85 mi14:27:213:56:249:319:05
10:37
+0:04
25.2M
25.20 mi14:31:164:00:199:323:55
11:21
+0:44
Finish
26.22 mi14:41:204:10:239:3310:04
9:53
-1:28

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

9:00 /mi

Average Pace

9:33 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:25

56% of race

Time at Steady Pace

53:46

21% of race

Time at Slower Pace

55:12

22% of race

Average Pace: 9:33 /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 mi10:58:5627:599:0027:59
9:00
#20081
10K
6.21 mi11:27:1356:169:0328:17
9:06
#20098
15K
9.32 mi11:55:291:24:329:0428:16
9:06
#19839
20K
12.43 mi12:23:391:52:429:0428:10
9:04
#19252
Half
13.11 mi12:29:501:58:539:046:11
9:04
#19210
25K
15.53 mi12:52:222:21:259:0622:32
9:18
#18753
30K
18.64 mi13:22:302:51:339:1230:08
9:42
#18269
20M
20.00 mi13:36:043:05:079:1513:34
9:59
#18133
21M
21.00 mi13:46:563:15:599:2010:52
10:52
#17989
35K
21.75 mi13:54:373:23:409:227:41
10:16
#17982
23M
23.00 mi14:07:433:36:469:2513:06
10:28
#17884
24M
24.00 mi14:18:163:47:199:2810:33
10:33
#17887
40K
24.85 mi14:27:213:56:249:319:05
10:37
#17838
25.2M
25.20 mi14:31:164:00:199:323:55
11:21
#17793
Finish
26.22 mi14:41:204:10:239:3310:04
9:53
#17758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20081121161211619311(Top 76%)11847(Top 81%)11847(Top 244%)
10K6.21 mi3.10 mi20098-1712140-2412140-2420161(Top 79%)12208(Top 84%)12208(Top 252%)
15K9.32 mi3.11 mi19839+25912039+10112039+10119311(Top 76%)11847(Top 81%)11847(Top 244%)
20K12.43 mi3.11 mi19252+58711770+26911770+26917616(Top 69%)11088(Top 76%)11088(Top 229%)
Half13.11 mi0.68 mi19210+4211753+1711753+1718517(Top 72%)11405(Top 78%)11405(Top 235%)
25K15.53 mi2.42 mi18753+45711537+21611537+21616781(Top 66%)10609(Top 73%)10609(Top 219%)
30K18.64 mi3.11 mi18269+48411244+29311244+29316244(Top 64%)10117(Top 69%)10117(Top 209%)
20M20.00 mi1.36 mi18133+13611157+8711157+8716410(Top 64%)9959(Top 68%)9959(Top 205%)
21M21.00 mi1.00 mi17989+14411067+9011067+9015979(Top 63%)9629(Top 66%)9629(Top 199%)
35K21.75 mi0.75 mi17982+711045+2211045+2217932(Top 70%)10589(Top 73%)10589(Top 218%)
23M23.00 mi1.25 mi17884+9810975+7010975+7016954(Top 66%)10030(Top 69%)10030(Top 207%)
24M24.00 mi1.00 mi17887-310950+2510950+2517994(Top 70%)10496(Top 72%)10496(Top 216%)
40K24.85 mi0.85 mi17838+4910902+4810902+4817038(Top 67%)9962(Top 68%)9962(Top 205%)
25.2M25.20 mi0.35 mi17793+4510873+2910873+2915629(Top 61%)9256(Top 63%)9256(Top 191%)
Finish26.22 mi1.02 mi17758+3510835+3810835+3817968(Top 70%)10444(Top 72%)10444(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

19311

Males

11847

M18-39

11847

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20161

Males

12208

M18-39

12208

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

19311

Males

11847

M18-39

11847

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17616

Males

11088

M18-39

11088

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18517

Males

11405

M18-39

11405

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

16781

Males

10609

M18-39

10609

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16244

Males

10117

M18-39

10117

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16410

Males

9959

M18-39

9959

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

15979

Males

9629

M18-39

9629

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

17932

Males

10589

M18-39

10589

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

16954

Males

10030

M18-39

10030

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

17994

Males

10496

M18-39

10496

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17038

Males

9962

M18-39

9962

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15629

Males

9256

M18-39

9256

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

17968

Males

10444

M18-39

10444

Passing Analysis

Category:
Athletes Passed
3108
Passed By
785
Net Change
+2323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20081
5K → 10K262279-17#20081#20098
10K → 15K33172+259#20098#19839
15K → 20K60114+587#19839#19252
20K → Half5816+42#19252#19210
Half → 25K47619+457#19210#18753
25K → 30K52945+484#18753#18269
30K → 20M16529+136#18269#18133
20M → 21M18238+144#18133#17989
21M → 35K7063+7#17989#17982
35K → 23M14345+98#17982#17884
23M → 24M7376-3#17884#17887
24M → 40K8536+49#17887#17838
40K → 25.2M549+45#17838#17793
25.2M → Finish7944+35#17793#17758
TOTALS3108785+2323
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing