Boston Marathon logo
BOSTON MARATHON 2024

Sebastian Tochowicz

Bib: 7300•M

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 28%
Masters (Masters Men)
#0 / 9729
Top 16%
Division (M50-54)
#0 / 1935
Top 12%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #5214
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
42:17
Rank: #5457 (-243)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:03:47
Rank: #5518 (-61)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:08
Rank: #5729 (-211)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:30:59
Rank: #5767 (-38)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:48:33
Rank: #5650 (+117)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:11:58
Rank: #5457 (+193)
25K → 30K
23:25 | 7:32/mi
20M
2:22:07
Rank: #5281 (+176)
30K → 20M
10:09 | 7:28/mi
21M
2:30:13
Rank: #5139 (+142)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:35:52
Rank: #5086 (+53)
21M → 35K
5:39 | 7:33/mi
23M
2:45:31
Rank: #4940 (+146)
35K → 23M
9:39 | 7:42/mi
24M
2:53:03
Rank: #4827 (+113)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
2:59:34
Rank: #4737 (+90)
24M → 40K
6:31 | 7:37/mi
25.2M
3:02:36
Rank: #4701 (+36)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:09:49
Rank: #4601 (+100)
25.2M → Finish
7:13 | 7:05/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
Time1:30:59
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:4120:586:4520:58
6:45
-
10K
6.21 mi10:50:0042:176:4821:19
6:52
+0:07
15K
9.32 mi11:11:301:03:476:5121:30
6:55
+0:03
20K
12.43 mi11:33:511:26:086:5622:21
7:12
+0:17
Half
13.11 mi11:38:421:30:596:564:51
7:07
-0:05
25K
15.53 mi11:56:161:48:336:5917:34
7:15
+0:08
30K
18.64 mi12:19:412:11:587:0523:25
7:32
+0:17
20M
20.00 mi12:29:502:22:077:0610:09
7:28
-0:04
21M
21.00 mi12:37:562:30:137:098:06
8:06
+0:38
35K
21.75 mi12:43:352:35:527:105:39
7:33
-0:33
23M
23.00 mi12:53:142:45:317:129:39
7:42
+0:09
24M
24.00 mi13:00:462:53:037:137:32
7:32
-0:10
40K
24.85 mi13:07:172:59:347:136:31
7:37
+0:05
25.2M
25.20 mi13:10:193:02:367:153:02
8:48
+1:11
Finish
26.22 mi13:17:323:09:497:157:13
7:05
-1:43

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

6:45 /mi

Average Pace

7:15 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:12

52% of race

Time at Steady Pace

1:20:29

42% of race

Time at Slower Pace

11:08

6% of race

Average Pace: 7:14 /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 mi10:28:4120:586:4520:58
6:45
#5214
10K
6.21 mi10:50:0042:176:4821:19
6:52
#5457
15K
9.32 mi11:11:301:03:476:5121:30
6:55
#5518
20K
12.43 mi11:33:511:26:086:5622:21
7:12
#5729
Half
13.11 mi11:38:421:30:596:564:51
7:07
#5767
25K
15.53 mi11:56:161:48:336:5917:34
7:15
#5650
30K
18.64 mi12:19:412:11:587:0523:25
7:32
#5457
20M
20.00 mi12:29:502:22:077:0610:09
7:28
#5281
21M
21.00 mi12:37:562:30:137:098:06
8:06
#5139
35K
21.75 mi12:43:352:35:527:105:39
7:33
#5086
23M
23.00 mi12:53:142:45:317:129:39
7:42
#4940
24M
24.00 mi13:00:462:53:037:137:32
7:32
#4827
40K
24.85 mi13:07:172:59:347:136:31
7:37
#4737
25.2M
25.20 mi13:10:193:02:367:153:02
8:48
#4701
Finish
26.22 mi13:17:323:09:497:157:13
7:05
#4601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5214481348135699(Top 22%)5160(Top 35%)5160(Top 267%)
10K6.21 mi3.10 mi5457-2435009-1965009-1965697(Top 22%)5187(Top 36%)5187(Top 268%)
15K9.32 mi3.11 mi5518-615060-515060-515699(Top 22%)5160(Top 35%)5160(Top 267%)
20K12.43 mi3.11 mi5729-2115191-1315191-1316330(Top 25%)5541(Top 38%)5541(Top 286%)
Half13.11 mi0.68 mi5767-385216-255216-256342(Top 25%)5540(Top 38%)5540(Top 286%)
25K15.53 mi2.42 mi5650+1175107+1095107+1095542(Top 22%)4869(Top 33%)4869(Top 252%)
30K18.64 mi3.11 mi5457+1934899+2084899+2085272(Top 21%)4541(Top 31%)4541(Top 235%)
20M20.00 mi1.36 mi5281+1764746+1534746+1534196(Top 16%)3695(Top 25%)3695(Top 191%)
21M21.00 mi1.00 mi5139+1424613+1334613+1334528(Top 18%)3794(Top 26%)3794(Top 196%)
35K21.75 mi0.75 mi5086+534550+634550+635277(Top 21%)4250(Top 29%)4250(Top 220%)
23M23.00 mi1.25 mi4940+1464414+1364414+1364406(Top 17%)3625(Top 25%)3625(Top 187%)
24M24.00 mi1.00 mi4827+1134305+1094305+1094259(Top 17%)3459(Top 24%)3459(Top 179%)
40K24.85 mi0.85 mi4737+904214+914214+913980(Top 16%)3194(Top 22%)3194(Top 165%)
25.2M25.20 mi0.35 mi4701+364172+424172+425593(Top 22%)4038(Top 28%)4038(Top 209%)
Finish26.22 mi1.02 mi4601+1004076+964076+963495(Top 14%)2862(Top 20%)2862(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5699

Males

5160

M50-54

5160

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5697

Males

5187

M50-54

5187

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5699

Males

5160

M50-54

5160

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6330

Males

5541

M50-54

5541

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6342

Males

5540

M50-54

5540

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5542

Males

4869

M50-54

4869

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5272

Males

4541

M50-54

4541

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4196

Males

3695

M50-54

3695

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4528

Males

3794

M50-54

3794

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5277

Males

4250

M50-54

4250

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4406

Males

3625

M50-54

3625

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4259

Males

3459

M50-54

3459

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

3980

Males

3194

M50-54

3194

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5593

Males

4038

M50-54

4038

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3495

Males

2862

M50-54

2862

Passing Analysis

Category:
Athletes Passed
1866
Passed By
1253
Net Change
+613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5214
5K → 10K111354-243#5214#5457
10K → 15K129190-61#5457#5518
15K → 20K105316-211#5518#5729
20K → Half1452-38#5729#5767
Half → 25K20184+117#5767#5650
25K → 30K293100+193#5650#5457
30K → 20M19721+176#5457#5281
20M → 21M16725+142#5281#5139
21M → 35K8532+53#5139#5086
35K → 23M16519+146#5086#4940
23M → 24M13118+113#4940#4827
24M → 40K10616+90#4827#4737
40K → 25.2M5115+36#4737#4701
25.2M → Finish11111+100#4701#4601
TOTALS18661253+613
📊

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