Boston Marathon logo
BOSTON MARATHON 2024

Nicholas Chan

Bib: 1145•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 4%
Gender (Male)
#0 / 14578
Top 6%
Division (M18-39)
#0 / 4849
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:19
Rank: #677
Start → 5K
18:19 | 5:54/mi
10K· 6.21 mi
36:42
Rank: #670 (+7)
5K → 10K
18:23 | 5:55/mi
15K· 9.32 mi
55:09
Rank: #643 (+27)
10K → 15K
18:27 | 5:56/mi
20K· 12.43 mi
1:13:43
Rank: #616 (+27)
15K → 20K
18:34 | 5:59/mi
Half· 13.11 mi
1:17:48
Rank: #621 (-5)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:32:24
Rank: #576 (+45)
Half → 25K
14:36 | 6:01/mi
30K· 18.64 mi
1:51:40
Rank: #518 (+58)
25K → 30K
19:16 | 6:12/mi
20M
2:00:29
Rank: #530 (-12)
30K → 20M
8:49 | 6:29/mi
21M
2:07:37
Rank: #550 (-20)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:12:46
Rank: #588 (-38)
21M → 35K
5:09 | 6:53/mi
23M
2:22:31
Rank: #720 (-132)
35K → 23M
9:45 | 7:47/mi
24M
2:30:24
Rank: #824 (-104)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
2:37:10
Rank: #896 (-72)
24M → 40K
6:46 | 7:55/mi
25.2M
2:39:59
Rank: #907 (-11)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
2:47:23
Rank: #987 (-80)
25.2M → Finish
7:24 | 7:16/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
Time1:17:48
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4618:195:5418:19
5:54
-
10K
6.21 mi10:37:0936:425:5418:23
5:55
+0:01
15K
9.32 mi10:55:3655:095:5518:27
5:56
+0:01
20K
12.43 mi11:14:101:13:435:5618:34
5:59
+0:03
Half
13.11 mi11:18:151:17:485:564:05
5:59
0:00
25K
15.53 mi11:32:511:32:245:5714:36
6:01
+0:02
30K
18.64 mi11:52:071:51:405:5919:16
6:12
+0:11
20M
20.00 mi12:00:562:00:296:018:49
6:29
+0:17
21M
21.00 mi12:08:042:07:376:057:08
7:08
+0:39
35K
21.75 mi12:13:132:12:466:065:09
6:53
-0:15
23M
23.00 mi12:22:582:22:316:129:45
7:47
+0:54
24M
24.00 mi12:30:512:30:246:167:53
7:53
+0:06
40K
24.85 mi12:37:372:37:106:196:46
7:55
+0:02
25.2M
25.20 mi12:40:262:39:596:212:49
8:10
+0:15
Finish
26.22 mi12:47:502:47:236:237:24
7:16
-0:54

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

5:54 /mi

Average Pace

6:23 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:24

55% of race

Time at Steady Pace

33:14

20% of race

Time at Slower Pace

41:45

25% of race

Average Pace: 6:23 /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 mi10:18:4618:195:5418:19
5:54
#677
10K
6.21 mi10:37:0936:425:5418:23
5:55
#670
15K
9.32 mi10:55:3655:095:5518:27
5:56
#643
20K
12.43 mi11:14:101:13:435:5618:34
5:59
#616
Half
13.11 mi11:18:151:17:485:564:05
5:59
#621
25K
15.53 mi11:32:511:32:245:5714:36
6:01
#576
30K
18.64 mi11:52:071:51:405:5919:16
6:12
#518
20M
20.00 mi12:00:562:00:296:018:49
6:29
#530
21M
21.00 mi12:08:042:07:376:057:08
7:08
#550
35K
21.75 mi12:13:132:12:466:065:09
6:53
#588
23M
23.00 mi12:22:582:22:316:129:45
7:47
#720
24M
24.00 mi12:30:512:30:246:167:53
7:53
#824
40K
24.85 mi12:37:372:37:106:196:46
7:55
#896
25.2M
25.20 mi12:40:262:39:596:212:49
8:10
#907
Finish
26.22 mi12:47:502:47:236:237:24
7:16
#987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi677650650627(Top 2%)605(Top 4%)605(Top 12%)
10K6.21 mi3.10 mi670+7643+7643+7664(Top 3%)639(Top 4%)639(Top 13%)
15K9.32 mi3.11 mi643+27618+25618+25627(Top 2%)605(Top 4%)605(Top 12%)
20K12.43 mi3.11 mi616+27592+26592+26540(Top 2%)516(Top 4%)516(Top 11%)
Half13.11 mi0.68 mi621-5597-5597-5751(Top 3%)724(Top 5%)724(Top 15%)
25K15.53 mi2.42 mi576+45552+45552+45500(Top 2%)473(Top 3%)473(Top 10%)
30K18.64 mi3.11 mi518+58494+58494+58481(Top 2%)453(Top 3%)453(Top 9%)
20M20.00 mi1.36 mi530-12506-12506-12820(Top 3%)776(Top 5%)776(Top 16%)
21M21.00 mi1.00 mi550-20523-17523-171379(Top 5%)1300(Top 9%)1300(Top 27%)
35K21.75 mi0.75 mi588-38559-36559-362558(Top 10%)2323(Top 16%)2323(Top 48%)
23M23.00 mi1.25 mi720-132689-130689-1304721(Top 18%)3806(Top 26%)3806(Top 78%)
24M24.00 mi1.00 mi824-104791-102791-1025958(Top 23%)4424(Top 30%)4424(Top 91%)
40K24.85 mi0.85 mi896-72855-64855-645320(Top 21%)3951(Top 27%)3951(Top 81%)
25.2M25.20 mi0.35 mi907-11865-10865-103195(Top 13%)2638(Top 18%)2638(Top 54%)
Finish26.22 mi1.02 mi987-80942-77942-774271(Top 17%)3357(Top 23%)3357(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

627

Males

605

M18-39

605

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

664

Males

639

M18-39

639

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

627

Males

605

M18-39

605

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

540

Males

516

M18-39

516

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

751

Males

724

M18-39

724

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

500

Males

473

M18-39

473

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

481

Males

453

M18-39

453

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

820

Males

776

M18-39

776

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1379

Males

1300

M18-39

1300

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2558

Males

2323

M18-39

2323

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4721

Males

3806

M18-39

3806

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5958

Males

4424

M18-39

4424

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5320

Males

3951

M18-39

3951

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3195

Males

2638

M18-39

2638

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4271

Males

3357

M18-39

3357

Passing Analysis

Category:
Athletes Passed
300
Passed By
610
Net Change
-310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#677
5K → 10K3932+7#677#670
10K → 15K347+27#670#643
15K → 20K3912+27#643#616
20K → Half1015-5#616#621
Half → 25K483+45#621#576
25K → 30K7113+58#576#518
30K → 20M1628-12#518#530
20M → 21M1232-20#530#550
21M → 35K139-38#550#588
35K → 23M3135-132#588#720
23M → 24M3107-104#720#824
24M → 40K476-72#824#896
40K → 25.2M819-11#896#907
25.2M → Finish1292-80#907#987
TOTALS300610-310
📊

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