Boston Marathon logo
BOSTON MARATHON 2024

Brett Cesar

Bib: 879•M

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:49
Rank: #422
Start → 5K
17:49 | 5:44/mi
10K· 6.21 mi
35:45
Rank: #410 (+12)
5K → 10K
17:56 | 5:46/mi
15K· 9.32 mi
53:55
Rank: #414 (-4)
10K → 15K
18:10 | 5:51/mi
20K· 12.43 mi
1:13:48
Rank: #644 (-230)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:18:03
Rank: #659 (-15)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:34:25
Rank: #862 (-203)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
1:58:58
Rank: #1566 (-704)
25K → 30K
24:33 | 7:54/mi
20M
2:10:36
Rank: #2012 (-446)
30K → 20M
11:38 | 8:34/mi
21M
2:22:17
Rank: #2975 (-963)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
2:30:52
Rank: #3848 (-873)
21M → 35K
8:35 | 11:28/mi
23M
2:43:11
Rank: #4440 (-592)
35K → 23M
12:19 | 9:50/mi
24M
2:53:10
Rank: #4859 (-419)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
3:04:12
Rank: #5756 (-897)
24M → 40K
11:02 | 12:54/mi
25.2M
3:08:19
Rank: #5968 (-212)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
3:17:50
Rank: #6354 (-386)
25.2M → Finish
9:31 | 9:20/mi

Course Map & Elevation

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
Time1:18:03
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:59:47
Pace9:08 /mi
📊Positive Split: 53.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0217:495:4417:49
5:44
-
10K
6.21 mi10:35:5835:455:4517:56
5:46
+0:02
15K
9.32 mi10:54:0853:555:4718:10
5:51
+0:05
20K
12.43 mi11:14:011:13:485:5619:53
6:24
+0:33
Half
13.11 mi11:18:161:18:035:574:15
6:14
-0:10
25K
15.53 mi11:34:381:34:256:0516:22
6:45
+0:31
30K
18.64 mi11:59:111:58:586:2324:33
7:54
+1:09
20M
20.00 mi12:10:492:10:366:3211:38
8:34
+0:40
21M
21.00 mi12:22:302:22:176:4711:41
11:41
+3:07
35K
21.75 mi12:31:052:30:526:568:35
11:28
-0:13
23M
23.00 mi12:43:242:43:117:0612:19
9:50
-1:38
24M
24.00 mi12:53:232:53:107:139:59
9:59
+0:09
40K
24.85 mi13:04:253:04:127:2511:02
12:54
+2:55
25.2M
25.20 mi13:08:323:08:197:284:07
11:56
-0:58
Finish
26.22 mi13:18:033:17:507:339:31
9:20
-2:36

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

5:44 /mi

Average Pace

7:33 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:34:25

48% of race

Time at Steady Pace

45:42

23% of race

Time at Slower Pace

57:43

29% of race

Average Pace: 7:33 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:0217:495:4417:49
5:44
#422
10K
6.21 mi10:35:5835:455:4517:56
5:46
#410
15K
9.32 mi10:54:0853:555:4718:10
5:51
#414
20K
12.43 mi11:14:011:13:485:5619:53
6:24
#644
Half
13.11 mi11:18:161:18:035:574:15
6:14
#659
25K
15.53 mi11:34:381:34:256:0516:22
6:45
#862
30K
18.64 mi11:59:111:58:586:2324:33
7:54
#1566
20M
20.00 mi12:10:492:10:366:3211:38
8:34
#2012
21M
21.00 mi12:22:302:22:176:4711:41
11:41
#2975
35K
21.75 mi12:31:052:30:526:568:35
11:28
#3848
23M
23.00 mi12:43:242:43:117:0612:19
9:50
#4440
24M
24.00 mi12:53:232:53:107:139:59
9:59
#4859
40K
24.85 mi13:04:253:04:127:2511:02
12:54
#5756
25.2M
25.20 mi13:08:323:08:197:284:07
11:56
#5968
Finish
26.22 mi13:18:033:17:507:339:31
9:20
#6354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi422401401463(Top 2%)441(Top 3%)441(Top 9%)
10K6.21 mi3.10 mi410+12388+13388+13414(Top 2%)392(Top 3%)392(Top 8%)
15K9.32 mi3.11 mi414-4392-4392-4463(Top 2%)441(Top 3%)441(Top 9%)
20K12.43 mi3.11 mi644-230619-227619-2271739(Top 7%)1677(Top 12%)1677(Top 35%)
Half13.11 mi0.68 mi659-15634-15634-151460(Top 6%)1415(Top 10%)1415(Top 29%)
25K15.53 mi2.42 mi862-203828-194828-1942921(Top 11%)2756(Top 19%)2756(Top 57%)
30K18.64 mi3.11 mi1566-7041513-6851513-6857301(Top 29%)5803(Top 40%)5803(Top 120%)
20M20.00 mi1.36 mi2012-4461939-4261939-4269744(Top 38%)6894(Top 47%)6894(Top 142%)
21M21.00 mi1.00 mi2975-9632814-8752814-87518065(Top 71%)10670(Top 73%)10670(Top 220%)
35K21.75 mi0.75 mi3848-8733570-7563570-75620789(Top 81%)12023(Top 82%)12023(Top 248%)
23M23.00 mi1.25 mi4440-5924036-4664036-46614850(Top 58%)8962(Top 61%)8962(Top 185%)
24M24.00 mi1.00 mi4859-4194331-2954331-29516248(Top 64%)9632(Top 66%)9632(Top 199%)
40K24.85 mi0.85 mi5756-8974938-6074938-60722105(Top 87%)12551(Top 86%)12551(Top 259%)
25.2M25.20 mi0.35 mi5968-2125069-1315069-13117147(Top 67%)9976(Top 68%)9976(Top 206%)
Finish26.22 mi1.02 mi6354-3865276-2075276-20715764(Top 62%)9322(Top 64%)9322(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

463

Males

441

M18-39

441

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

414

Males

392

M18-39

392

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

463

Males

441

M18-39

441

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1739

Males

1677

M18-39

1677

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1460

Males

1415

M18-39

1415

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2921

Males

2756

M18-39

2756

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7301

Males

5803

M18-39

5803

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9744

Males

6894

M18-39

6894

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18065

Males

10670

M18-39

10670

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

20789

Males

12023

M18-39

12023

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14850

Males

8962

M18-39

8962

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16248

Males

9632

M18-39

9632

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22105

Males

12551

M18-39

12551

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17147

Males

9976

M18-39

9976

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15764

Males

9322

M18-39

9322

Passing Analysis

Category:
Athletes Passed
118
Passed By
6050
Net Change
-5932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#422
5K → 10K3018+12#422#410
10K → 15K1519-4#410#414
15K → 20K1231-230#414#644
20K → Half116-15#644#659
Half → 25K8211-203#659#862
25K → 30K0704-704#862#1566
30K → 20M7453-446#1566#2012
20M → 21M2965-963#2012#2975
21M → 35K3876-873#2975#3848
35K → 23M14606-592#3848#4440
23M → 24M11430-419#4440#4859
24M → 40K6903-897#4859#5756
40K → 25.2M6218-212#5756#5968
25.2M → Finish14400-386#5968#6354
TOTALS1186050-5932
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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