Boston Marathon logo
BOSTON MARATHON 2024

Grzegorz Zeleszkiewicz

Bib: 5308•M

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 19%
Masters (Masters Men)
#0 / 9729
Top 9%
Division (M50-54)
#0 / 1935
Top 5%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #4000
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
41:16
Rank: #4076 (-76)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:16
Rank: #4143 (-67)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:23:19
Rank: #3987 (+156)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:27:51
Rank: #3946 (+41)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:07
Rank: #3651 (+295)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:05:19
Rank: #3199 (+452)
25K → 30K
21:12 | 6:49/mi
20M
2:14:38
Rank: #3026 (+173)
30K → 20M
9:19 | 6:51/mi
21M
2:22:07
Rank: #2925 (+101)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:27:05
Rank: #2838 (+87)
21M → 35K
4:58 | 6:38/mi
23M
2:36:18
Rank: #2840 (-2)
35K → 23M
9:13 | 7:22/mi
24M
2:43:42
Rank: #2869 (-29)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
2:50:18
Rank: #2927 (-58)
24M → 40K
6:36 | 7:43/mi
25.2M
2:53:24
Rank: #2977 (-50)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:01:02
Rank: #3044 (-67)
25.2M → Finish
7:38 | 7:29/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
Time1:27:51
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:33:11
Pace7:06 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4320:306:3620:30
6:36
-
10K
6.21 mi10:45:2941:166:3820:46
6:41
+0:05
15K
9.32 mi11:06:291:02:166:4121:00
6:46
+0:05
20K
12.43 mi11:27:321:23:196:4221:03
6:47
+0:01
Half
13.11 mi11:32:041:27:516:424:32
6:39
-0:08
25K
15.53 mi11:48:201:44:076:4216:16
6:43
+0:04
30K
18.64 mi12:09:322:05:196:4321:12
6:49
+0:06
20M
20.00 mi12:18:512:14:386:449:19
6:51
+0:02
21M
21.00 mi12:26:202:22:076:467:29
7:29
+0:38
35K
21.75 mi12:31:182:27:056:464:58
6:38
-0:51
23M
23.00 mi12:40:312:36:186:489:13
7:22
+0:44
24M
24.00 mi12:47:552:43:426:497:24
7:24
+0:02
40K
24.85 mi12:54:312:50:186:516:36
7:43
+0:19
25.2M
25.20 mi12:57:372:53:246:533:06
8:59
+1:16
Finish
26.22 mi13:05:153:01:026:557:38
7:29
-1:30

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

6:36 /mi

Average Pace

6:55 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:19:36

77% of race

Time at Slower Pace

41:26

23% of race

Average Pace: 6:54 /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 mi10:24:4320:306:3620:30
6:36
#4000
10K
6.21 mi10:45:2941:166:3820:46
6:41
#4076
15K
9.32 mi11:06:291:02:166:4121:00
6:46
#4143
20K
12.43 mi11:27:321:23:196:4221:03
6:47
#3987
Half
13.11 mi11:32:041:27:516:424:32
6:39
#3946
25K
15.53 mi11:48:201:44:076:4216:16
6:43
#3651
30K
18.64 mi12:09:322:05:196:4321:12
6:49
#3199
20M
20.00 mi12:18:512:14:386:449:19
6:51
#3026
21M
21.00 mi12:26:202:22:076:467:29
7:29
#2925
35K
21.75 mi12:31:182:27:056:464:58
6:38
#2838
23M
23.00 mi12:40:312:36:186:489:13
7:22
#2840
24M
24.00 mi12:47:552:43:426:497:24
7:24
#2869
40K
24.85 mi12:54:312:50:186:516:36
7:43
#2927
25.2M
25.20 mi12:57:372:53:246:533:06
8:59
#2977
Finish
26.22 mi13:05:153:01:026:557:38
7:29
#3044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4000377737774354(Top 17%)4064(Top 28%)4064(Top 210%)
10K6.21 mi3.10 mi4076-763843-663843-664198(Top 16%)3936(Top 27%)3936(Top 203%)
15K9.32 mi3.11 mi4143-673891-483891-484354(Top 17%)4064(Top 28%)4064(Top 210%)
20K12.43 mi3.11 mi3987+1563756+1353756+1353677(Top 14%)3463(Top 24%)3463(Top 179%)
Half13.11 mi0.68 mi3946+413718+383718+383406(Top 13%)3224(Top 22%)3224(Top 167%)
25K15.53 mi2.42 mi3651+2953457+2613457+2612693(Top 11%)2551(Top 17%)2551(Top 132%)
30K18.64 mi3.11 mi3199+4523034+4233034+4232036(Top 8%)1928(Top 13%)1928(Top 100%)
20M20.00 mi1.36 mi3026+1732867+1672867+1671797(Top 7%)1691(Top 12%)1691(Top 87%)
21M21.00 mi1.00 mi2925+1012767+1002767+1002454(Top 10%)2252(Top 15%)2252(Top 116%)
35K21.75 mi0.75 mi2838+872680+872680+871716(Top 7%)1604(Top 11%)1604(Top 83%)
23M23.00 mi1.25 mi2840-22677+32677+33106(Top 12%)2739(Top 19%)2739(Top 142%)
24M24.00 mi1.00 mi2869-292699-222699-223733(Top 15%)3135(Top 22%)3135(Top 162%)
40K24.85 mi0.85 mi2927-582736-372736-374396(Top 17%)3434(Top 24%)3434(Top 177%)
25.2M25.20 mi0.35 mi2977-502778-422778-426414(Top 25%)4469(Top 31%)4469(Top 231%)
Finish26.22 mi1.02 mi3044-672830-522830-525545(Top 22%)4094(Top 28%)4094(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4354

Males

4064

M50-54

4064

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4198

Males

3936

M50-54

3936

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4354

Males

4064

M50-54

4064

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3677

Males

3463

M50-54

3463

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3406

Males

3224

M50-54

3224

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2693

Males

2551

M50-54

2551

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2036

Males

1928

M50-54

1928

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1797

Males

1691

M50-54

1691

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2454

Males

2252

M50-54

2252

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1716

Males

1604

M50-54

1604

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3106

Males

2739

M50-54

2739

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3733

Males

3135

M50-54

3135

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4396

Males

3434

M50-54

3434

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6414

Males

4469

M50-54

4469

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5545

Males

4094

M50-54

4094

Passing Analysis

Category:
Athletes Passed
1862
Passed By
906
Net Change
+956
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4000
5K → 10K135211-76#4000#4076
10K → 15K99166-67#4076#4143
15K → 20K22569+156#4143#3987
20K → Half465+41#3987#3946
Half → 25K30813+295#3946#3651
25K → 30K4619+452#3651#3199
30K → 20M1785+173#3199#3026
20M → 21M11817+101#3026#2925
21M → 35K892+87#2925#2838
35K → 23M8082-2#2838#2840
23M → 24M4170-29#2840#2869
24M → 40K3391-58#2869#2927
40K → 25.2M1666-50#2927#2977
25.2M → Finish33100-67#2977#3044
TOTALS1862906+956
📊

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