Boston Marathon logo
BOSTON MARATHON 2024

Alejandro Hernandez

Bib: 4733•M

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
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
19:50
Rank: #2594
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:30
Rank: #2295 (+299)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:32
Rank: #2339 (-44)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:20:44
Rank: #2667 (-328)
15K → 20K
21:12 | 6:49/mi
Half· 13.11 mi
1:25:10
Rank: #2660 (+7)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:27
Rank: #3364 (-704)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:07:55
Rank: #4161 (-797)
25K → 30K
24:28 | 7:53/mi
20M
2:17:28
Rank: #3913 (+248)
30K → 20M
9:33 | 7:02/mi
21M
2:24:58
Rank: #3726 (+187)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:30:03
Rank: #3627 (+99)
21M → 35K
5:05 | 6:48/mi
23M
2:40:37
Rank: #3832 (-205)
35K → 23M
10:34 | 8:26/mi
24M
2:50:57
Rank: #4404 (-572)
23M → 24M
10:20 | 10:20/mi
40K· 24.85 mi
2:59:43
Rank: #4763 (-359)
24M → 40K
8:46 | 10:15/mi
25.2M
3:03:11
Rank: #4824 (-61)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:11:18
Rank: #4886 (-62)
25.2M → Finish
8:07 | 7:58/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
Time1:25:10
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
📊Positive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5119:506:2319:50
6:23
-
10K
6.21 mi10:42:3139:306:2119:40
6:20
-0:03
15K
9.32 mi11:02:3359:326:2320:02
6:27
+0:07
20K
12.43 mi11:23:451:20:446:3021:12
6:49
+0:22
Half
13.11 mi11:28:111:25:106:304:26
6:30
-0:19
25K
15.53 mi11:46:281:43:276:4018:17
7:32
+1:02
30K
18.64 mi12:10:562:07:556:5224:28
7:53
+0:21
20M
20.00 mi12:20:292:17:286:529:33
7:02
-0:51
21M
21.00 mi12:27:592:24:586:547:30
7:30
+0:28
35K
21.75 mi12:33:042:30:036:545:05
6:48
-0:42
23M
23.00 mi12:43:382:40:376:5910:34
8:26
+1:38
24M
24.00 mi12:53:582:50:577:0710:20
10:20
+1:54
40K
24.85 mi13:02:442:59:437:148:46
10:15
-0:05
25.2M
25.20 mi13:06:123:03:117:163:28
10:03
-0:12
Finish
26.22 mi13:14:193:11:187:188:07
7:58
-2:05

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

6:20 /mi

Average Pace

7:18 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:03

36% of race

Time at Steady Pace

1:29:07

47% of race

Time at Slower Pace

33:08

17% of race

Average Pace: 7:18 /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 mi10:22:5119:506:2319:50
6:23
#2594
10K
6.21 mi10:42:3139:306:2119:40
6:20
#2295
15K
9.32 mi11:02:3359:326:2320:02
6:27
#2339
20K
12.43 mi11:23:451:20:446:3021:12
6:49
#2667
Half
13.11 mi11:28:111:25:106:304:26
6:30
#2660
25K
15.53 mi11:46:281:43:276:4018:17
7:32
#3364
30K
18.64 mi12:10:562:07:556:5224:28
7:53
#4161
20M
20.00 mi12:20:292:17:286:529:33
7:02
#3913
21M
21.00 mi12:27:592:24:586:547:30
7:30
#3726
35K
21.75 mi12:33:042:30:036:545:05
6:48
#3627
23M
23.00 mi12:43:382:40:376:5910:34
8:26
#3832
24M
24.00 mi12:53:582:50:577:0710:20
10:20
#4404
40K
24.85 mi13:02:442:59:437:148:46
10:15
#4763
25.2M
25.20 mi13:06:123:03:117:163:28
10:03
#4824
Finish
26.22 mi13:14:193:11:187:188:07
7:58
#4886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2594249724972447(Top 10%)2355(Top 16%)2355(Top 49%)
10K6.21 mi3.10 mi2295+2992217+2802217+2802073(Top 8%)2001(Top 14%)2001(Top 41%)
15K9.32 mi3.11 mi2339-442256-392256-392447(Top 10%)2355(Top 16%)2355(Top 49%)
20K12.43 mi3.11 mi2667-3282556-3002556-3004049(Top 16%)3780(Top 26%)3780(Top 78%)
Half13.11 mi0.68 mi2660+72548+82548+82644(Top 10%)2529(Top 17%)2529(Top 52%)
25K15.53 mi2.42 mi3364-7043192-6443192-6447217(Top 28%)5947(Top 41%)5947(Top 123%)
30K18.64 mi3.11 mi4161-7973878-6863878-6867128(Top 28%)5700(Top 39%)5700(Top 118%)
20M20.00 mi1.36 mi3913+2483653+2253653+2252497(Top 10%)2323(Top 16%)2323(Top 48%)
21M21.00 mi1.00 mi3726+1873475+1783475+1782517(Top 10%)2303(Top 16%)2303(Top 47%)
35K21.75 mi0.75 mi3627+993381+943381+942294(Top 9%)2111(Top 14%)2111(Top 44%)
23M23.00 mi1.25 mi3832-2053543-1623543-1628101(Top 32%)5642(Top 39%)5642(Top 116%)
24M24.00 mi1.00 mi4404-5723985-4423985-44217363(Top 68%)10183(Top 70%)10183(Top 210%)
40K24.85 mi0.85 mi4763-3594234-2494234-24915865(Top 62%)9391(Top 64%)9391(Top 194%)
25.2M25.20 mi0.35 mi4824-614268-344268-3411068(Top 43%)6893(Top 47%)6893(Top 142%)
Finish26.22 mi1.02 mi4886-624286-184286-188289(Top 32%)5539(Top 38%)5539(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2447

Males

2355

M18-39

2355

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2073

Males

2001

M18-39

2001

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2447

Males

2355

M18-39

2355

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4049

Males

3780

M18-39

3780

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2644

Males

2529

M18-39

2529

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7217

Males

5947

M18-39

5947

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7128

Males

5700

M18-39

5700

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2497

Males

2323

M18-39

2323

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2517

Males

2303

M18-39

2303

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2294

Males

2111

M18-39

2111

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8101

Males

5642

M18-39

5642

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17363

Males

10183

M18-39

10183

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15865

Males

9391

M18-39

9391

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11068

Males

6893

M18-39

6893

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8289

Males

5539

M18-39

5539

Passing Analysis

Category:
Athletes Passed
1168
Passed By
3460
Net Change
-2292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2594
5K → 10K32122+299#2594#2295
10K → 15K66110-44#2295#2339
15K → 20K34362-328#2339#2667
20K → Half1912+7#2667#2660
Half → 25K14718-704#2660#3364
25K → 30K39836-797#3364#4161
30K → 20M2546+248#4161#3913
20M → 21M1947+187#3913#3726
21M → 35K1001+99#3726#3627
35K → 23M45250-205#3627#3832
23M → 24M7579-572#3832#4404
24M → 40K15374-359#4404#4763
40K → 25.2M1677-61#4763#4824
25.2M → Finish44106-62#4824#4886
TOTALS11683460-2292
📊

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