Boston Marathon logo
BOSTON MARATHON 2024

James Nigrelli

Bib: 30496•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:21
Rank: #20553
Start → 5K
28:21 | 9:07/mi
10K· 6.21 mi
57:22
Rank: #20741 (-188)
5K → 10K
29:01 | 9:20/mi
15K· 9.32 mi
1:26:09
Rank: #20461 (+280)
10K → 15K
28:47 | 9:16/mi
20K· 12.43 mi
1:56:34
Rank: #20360 (+101)
15K → 20K
30:25 | 9:47/mi
Half· 13.11 mi
2:02:41
Rank: #20258 (+102)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:25:16
Rank: #19689 (+569)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:56:49
Rank: #19322 (+367)
25K → 30K
31:33 | 10:09/mi
20M
3:11:45
Rank: #19303 (+19)
30K → 20M
14:56 | 10:59/mi
21M
3:23:17
Rank: #19178 (+125)
20M → 21M
11:32 | 11:32/mi
35K· 21.75 mi
3:31:06
Rank: #19131 (+47)
21M → 35K
7:49 | 10:27/mi
23M
3:45:00
Rank: #19080 (+51)
35K → 23M
13:54 | 11:06/mi
24M
3:56:18
Rank: #19115 (-35)
23M → 24M
11:18 | 11:18/mi
40K· 24.85 mi
4:05:51
Rank: #19068 (+47)
24M → 40K
9:33 | 11:10/mi
25.2M
4:09:56
Rank: #19028 (+40)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
4:19:47
Rank: #18943 (+85)
25.2M → Finish
9:51 | 9:40/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
Time2:02:41
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:17:06
Pace10:28 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0628:219:0728:21
9:07
-
10K
6.21 mi12:23:0757:229:1429:01
9:20
+0:13
15K
9.32 mi12:51:541:26:099:1528:47
9:16
-0:04
20K
12.43 mi13:22:191:56:349:2330:25
9:47
+0:31
Half
13.11 mi13:28:262:02:419:216:07
8:58
-0:49
25K
15.53 mi13:51:012:25:169:2122:35
9:19
+0:21
30K
18.64 mi14:22:342:56:499:2931:33
10:09
+0:50
20M
20.00 mi14:37:303:11:459:3514:56
10:59
+0:50
21M
21.00 mi14:49:023:23:179:4111:32
11:32
+0:33
35K
21.75 mi14:56:513:31:069:427:49
10:27
-1:05
23M
23.00 mi15:10:453:45:009:4713:54
11:06
+0:39
24M
24.00 mi15:22:033:56:189:5111:18
11:18
+0:12
40K
24.85 mi15:31:364:05:519:539:33
11:10
-0:08
25.2M
25.20 mi15:35:414:09:569:554:05
11:50
+0:40
Finish
26.22 mi15:45:324:19:479:559:51
9:40
-2:10

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

8:58 /mi

Average Pace

9:55 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:42

48% of race

Time at Steady Pace

1:09:47

27% of race

Time at Slower Pace

1:05:18

25% of race

Average Pace: 9:54 /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 mi11:54:0628:219:0728:21
9:07
#20553
10K
6.21 mi12:23:0757:229:1429:01
9:20
#20741
15K
9.32 mi12:51:541:26:099:1528:47
9:16
#20461
20K
12.43 mi13:22:191:56:349:2330:25
9:47
#20360
Half
13.11 mi13:28:262:02:419:216:07
8:58
#20258
25K
15.53 mi13:51:012:25:169:2122:35
9:19
#19689
30K
18.64 mi14:22:342:56:499:2931:33
10:09
#19322
20M
20.00 mi14:37:303:11:459:3514:56
10:59
#19303
21M
21.00 mi14:49:023:23:179:4111:32
11:32
#19178
35K
21.75 mi14:56:513:31:069:427:49
10:27
#19131
23M
23.00 mi15:10:453:45:009:4713:54
11:06
#19080
24M
24.00 mi15:22:033:56:189:5111:18
11:18
#19115
40K
24.85 mi15:31:364:05:519:539:33
11:10
#19068
25.2M
25.20 mi15:35:414:09:569:554:05
11:50
#19028
Finish
26.22 mi15:45:324:19:479:559:51
9:40
#18943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20553123361233619915(Top 78%)12130(Top 83%)12130(Top 250%)
10K6.21 mi3.10 mi20741-18812454-11812454-11820896(Top 82%)12542(Top 86%)12542(Top 259%)
15K9.32 mi3.11 mi20461+28012350+10412350+10419915(Top 78%)12130(Top 83%)12130(Top 250%)
20K12.43 mi3.11 mi20360+10112305+4512305+4520023(Top 78%)12160(Top 83%)12160(Top 251%)
Half13.11 mi0.68 mi20258+10212261+4412261+4418086(Top 71%)11217(Top 77%)11217(Top 231%)
25K15.53 mi2.42 mi19689+56911966+29511966+29516848(Top 66%)10633(Top 73%)10633(Top 219%)
30K18.64 mi3.11 mi19322+36711734+23211734+23217822(Top 70%)10842(Top 74%)10842(Top 224%)
20M20.00 mi1.36 mi19303+1911689+4511689+4519267(Top 75%)11385(Top 78%)11385(Top 235%)
21M21.00 mi1.00 mi19178+12511623+6611623+6617734(Top 69%)10492(Top 72%)10492(Top 216%)
35K21.75 mi0.75 mi19131+4711585+3811585+3818434(Top 72%)10841(Top 74%)10841(Top 224%)
23M23.00 mi1.25 mi19080+5111535+5011535+5018697(Top 73%)10917(Top 75%)10917(Top 225%)
24M24.00 mi1.00 mi19115-3511538-311538-319974(Top 78%)11505(Top 79%)11505(Top 237%)
40K24.85 mi0.85 mi19068+4711495+4311495+4318524(Top 73%)10722(Top 74%)10722(Top 221%)
25.2M25.20 mi0.35 mi19028+4011467+2811467+2816946(Top 66%)9904(Top 68%)9904(Top 204%)
Finish26.22 mi1.02 mi18943+8511406+6111406+6117203(Top 67%)10057(Top 69%)10057(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

19915

Males

12130

M18-39

12130

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

20896

Males

12542

M18-39

12542

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

19915

Males

12130

M18-39

12130

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20023

Males

12160

M18-39

12160

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18086

Males

11217

M18-39

11217

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

16848

Males

10633

M18-39

10633

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

17822

Males

10842

M18-39

10842

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19267

Males

11385

M18-39

11385

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

17734

Males

10492

M18-39

10492

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18434

Males

10841

M18-39

10841

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

18697

Males

10917

M18-39

10917

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

19974

Males

11505

M18-39

11505

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18524

Males

10722

M18-39

10722

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16946

Males

9904

M18-39

9904

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17203

Males

10057

M18-39

10057

Passing Analysis

Category:
Athletes Passed
2657
Passed By
1047
Net Change
+1610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20553
5K → 10K187375-188#20553#20741
10K → 15K37090+280#20741#20461
15K → 20K241140+101#20461#20360
20K → Half1031+102#20360#20258
Half → 25K5756+569#20258#19689
25K → 30K42356+367#19689#19322
30K → 20M10485+19#19322#19303
20M → 21M15631+125#19303#19178
21M → 35K8134+47#19178#19131
35K → 23M11463+51#19131#19080
23M → 24M6196-35#19080#19115
24M → 40K8538+47#19115#19068
40K → 25.2M499+40#19068#19028
25.2M → Finish10823+85#19028#18943
TOTALS26571047+1610
📊

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