Boston Marathon logo
BOSTON MARATHON 2024

Aleksander Jonca

Bib: 28705•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
31:02
Rank: #22969
Start → 5K
31:02 | 9:59/mi
10K· 6.21 mi
1:03:04
Rank: #23088 (-119)
5K → 10K
32:02 | 10:19/mi
15K· 9.32 mi
1:33:40
Rank: #22584 (+504)
10K → 15K
30:36 | 9:51/mi
20K· 12.43 mi
2:09:13
Rank: #22811 (-227)
15K → 20K
35:33 | 11:27/mi
Half· 13.11 mi
2:16:38
Rank: #22829 (-18)
20K → Half
7:25 | 10:52/mi
25K· 15.53 mi
2:44:36
Rank: #22777 (+52)
Half → 25K
27:58 | 11:32/mi
30K· 18.64 mi
3:22:42
Rank: #22725 (+52)
25K → 30K
38:06 | 12:16/mi
20M
3:38:38
Rank: #22606 (+119)
30K → 20M
15:56 | 11:43/mi
21M
3:52:37
Rank: #22603 (+3)
20M → 21M
13:59 | 13:59/mi
35K· 21.75 mi
4:02:36
Rank: #22678 (-75)
21M → 35K
9:59 | 13:21/mi
23M
4:17:21
Rank: #22541 (+137)
35K → 23M
14:45 | 11:47/mi
24M
4:28:44
Rank: #22448 (+93)
23M → 24M
11:23 | 11:23/mi
40K· 24.85 mi
4:38:38
Rank: #22352 (+96)
24M → 40K
9:54 | 11:35/mi
25.2M
4:43:29
Rank: #22352
40K → 25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
4:54:22
Rank: #22297 (+55)
25.2M → Finish
10:53 | 10:41/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
Time2:16:38
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:37:44
Pace12:02 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0531:029:5931:02
9:59
-
10K
6.21 mi12:30:071:03:0410:0932:02
10:19
+0:20
15K
9.32 mi13:00:431:33:4010:0330:36
9:51
-0:28
20K
12.43 mi13:36:162:09:1310:2435:33
11:27
+1:36
Half
13.11 mi13:43:412:16:3810:257:25
10:52
-0:35
25K
15.53 mi14:11:392:44:3610:3627:58
11:32
+0:40
30K
18.64 mi14:49:453:22:4210:5238:06
12:16
+0:44
20M
20.00 mi15:05:413:38:3810:5615:56
11:43
-0:33
21M
21.00 mi15:19:403:52:3711:0513:59
13:59
+2:16
35K
21.75 mi15:29:394:02:3611:099:59
13:21
-0:38
23M
23.00 mi15:44:244:17:2111:1114:45
11:47
-1:34
24M
24.00 mi15:55:474:28:4411:1211:23
11:23
-0:24
40K
24.85 mi16:05:414:38:3811:139:54
11:35
+0:12
25.2M
25.20 mi16:10:324:43:2911:154:51
14:04
+2:29
Finish
26.22 mi16:21:254:54:2211:1410:53
10:41
-3:23

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

9:51 /mi

Average Pace

11:14 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:58

38% of race

Time at Steady Pace

1:55:29

39% of race

Time at Slower Pace

1:06:55

23% of race

Average Pace: 11:14 /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 mi11:58:0531:029:5931:02
9:59
#22969
10K
6.21 mi12:30:071:03:0410:0932:02
10:19
#23088
15K
9.32 mi13:00:431:33:4010:0330:36
9:51
#22584
20K
12.43 mi13:36:162:09:1310:2435:33
11:27
#22811
Half
13.11 mi13:43:412:16:3810:257:25
10:52
#22829
25K
15.53 mi14:11:392:44:3610:3627:58
11:32
#22777
30K
18.64 mi14:49:453:22:4210:5238:06
12:16
#22725
20M
20.00 mi15:05:413:38:3810:5615:56
11:43
#22606
21M
21.00 mi15:19:403:52:3711:0513:59
13:59
#22603
35K
21.75 mi15:29:394:02:3611:099:59
13:21
#22678
23M
23.00 mi15:44:244:17:2111:1114:45
11:47
#22541
24M
24.00 mi15:55:474:28:4411:1211:23
11:23
#22448
40K
24.85 mi16:05:414:38:3811:139:54
11:35
#22352
25.2M
25.20 mi16:10:324:43:2911:154:51
14:04
#22352
Finish
26.22 mi16:21:254:54:2211:1410:53
10:41
#22297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22969135471354721552(Top 84%)12880(Top 88%)12880(Top 266%)
10K6.21 mi3.10 mi23088-11913581-3413581-3423199(Top 91%)13620(Top 93%)13620(Top 281%)
15K9.32 mi3.11 mi22584+50413359+22213359+22221552(Top 84%)12880(Top 88%)12880(Top 266%)
20K12.43 mi3.11 mi22811-22713454-9513454-9523311(Top 91%)13648(Top 94%)13648(Top 281%)
Half13.11 mi0.68 mi22829-1813459-513459-523306(Top 91%)13591(Top 93%)13591(Top 280%)
25K15.53 mi2.42 mi22777+5213415+4413415+4422471(Top 88%)13170(Top 90%)13170(Top 272%)
30K18.64 mi3.11 mi22725+5213334+8113334+8122369(Top 88%)12988(Top 89%)12988(Top 268%)
20M20.00 mi1.36 mi22606+11913261+7313261+7320867(Top 82%)12154(Top 83%)12154(Top 251%)
21M21.00 mi1.00 mi22603+313233+2813233+2822298(Top 87%)12812(Top 88%)12812(Top 264%)
35K21.75 mi0.75 mi22678-7513257-2413257-2423649(Top 93%)13471(Top 92%)13471(Top 278%)
23M23.00 mi1.25 mi22541+13713172+8513172+8520272(Top 79%)11703(Top 80%)11703(Top 241%)
24M24.00 mi1.00 mi22448+9313120+5213120+5220169(Top 79%)11614(Top 80%)11614(Top 240%)
40K24.85 mi0.85 mi22352+9613056+6413056+6419508(Top 76%)11210(Top 77%)11210(Top 231%)
25.2M25.20 mi0.35 mi2235213046+1013046+1021685(Top 85%)12330(Top 85%)12330(Top 254%)
Finish26.22 mi1.02 mi22297+5512998+4812998+4820502(Top 80%)11734(Top 80%)11734(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

21552

Males

12880

M18-39

12880

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

23199

Males

13620

M18-39

13620

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

21552

Males

12880

M18-39

12880

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

23311

Males

13648

M18-39

13648

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

23306

Males

13591

M18-39

13591

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

22471

Males

13170

M18-39

13170

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

22369

Males

12988

M18-39

12988

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

20867

Males

12154

M18-39

12154

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

22298

Males

12812

M18-39

12812

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

23649

Males

13471

M18-39

13471

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20272

Males

11703

M18-39

11703

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20169

Males

11614

M18-39

11614

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19508

Males

11210

M18-39

11210

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21685

Males

12330

M18-39

12330

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

20502

Males

11734

M18-39

11734

Passing Analysis

Category:
Athletes Passed
1791
Passed By
1119
Net Change
+672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22969
5K → 10K152271-119#22969#23088
10K → 15K5139+504#23088#22584
15K → 20K103330-227#22584#22811
20K → Half2442-18#22811#22829
Half → 25K14896+52#22829#22777
25K → 30K170118+52#22777#22725
30K → 20M13819+119#22725#22606
20M → 21M6865+3#22606#22603
21M → 35K1691-75#22603#22678
35K → 23M15013+137#22678#22541
23M → 24M1029+93#22541#22448
24M → 40K1059+96#22448#22352
40K → 25.2M28280#22352#22352
25.2M → Finish7419+55#22352#22297
TOTALS17911119+672
📊

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