Boston Marathon logo
BOSTON MARATHON 2024

Trevor Mazurek

Bib: 11528•M

BC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 28%
Gender (Male)
#0 / 14578
Top 40%
Masters (Masters Men)
#0 / 9729
Top 29%
Division (M45-49)
#0 / 2218
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:01
Rank: #7582
Start → 5K
22:01 | 7:05/mi
10K· 6.21 mi
43:37
Rank: #6961 (+621)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:06:02
Rank: #7135 (-174)
10K → 15K
22:25 | 7:13/mi
20K· 12.43 mi
1:28:45
Rank: #7044 (+91)
15K → 20K
22:43 | 7:19/mi
Half· 13.11 mi
1:33:38
Rank: #7017 (+27)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:51:57
Rank: #6988 (+29)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:16:31
Rank: #6968 (+20)
25K → 30K
24:34 | 7:54/mi
20M
2:27:21
Rank: #6854 (+114)
30K → 20M
10:50 | 7:58/mi
21M
2:36:27
Rank: #6887 (-33)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:42:12
Rank: #6771 (+116)
21M → 35K
5:45 | 7:41/mi
23M
2:52:50
Rank: #6813 (-42)
35K → 23M
10:38 | 8:30/mi
24M
3:01:52
Rank: #7027 (-214)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:09:58
Rank: #7237 (-210)
24M → 40K
8:06 | 9:28/mi
25.2M
3:13:43
Rank: #7355 (-118)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:21:33
Rank: #7265 (+90)
25.2M → Finish
7:50 | 7:41/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
Time1:33:38
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:47:55
Pace8:14 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0322:017:0522:01
7:05
-
10K
6.21 mi11:11:3943:377:0121:36
6:57
-0:08
15K
9.32 mi11:34:041:06:027:0522:25
7:13
+0:16
20K
12.43 mi11:56:471:28:457:0822:43
7:19
+0:06
Half
13.11 mi12:01:401:33:387:094:53
7:09
-0:10
25K
15.53 mi12:19:591:51:577:1218:19
7:33
+0:24
30K
18.64 mi12:44:332:16:317:1924:34
7:54
+0:21
20M
20.00 mi12:55:232:27:217:2210:50
7:58
+0:04
21M
21.00 mi13:04:292:36:277:279:06
9:06
+1:08
35K
21.75 mi13:10:142:42:127:275:45
7:41
-1:25
23M
23.00 mi13:20:522:52:507:3110:38
8:30
+0:49
24M
24.00 mi13:29:543:01:527:359:02
9:02
+0:32
40K
24.85 mi13:38:003:09:587:398:06
9:28
+0:26
25.2M
25.20 mi13:41:453:13:437:413:45
10:52
+1:24
Finish
26.22 mi13:49:353:21:337:427:50
7:41
-3:11

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

6:57 /mi

Average Pace

7:42 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:30

24% of race

Time at Steady Pace

1:52:26

56% of race

Time at Slower Pace

40:37

20% of race

Average Pace: 7:41 /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 mi10:50:0322:017:0522:01
7:05
#7582
10K
6.21 mi11:11:3943:377:0121:36
6:57
#6961
15K
9.32 mi11:34:041:06:027:0522:25
7:13
#7135
20K
12.43 mi11:56:471:28:457:0822:43
7:19
#7044
Half
13.11 mi12:01:401:33:387:094:53
7:09
#7017
25K
15.53 mi12:19:591:51:577:1218:19
7:33
#6988
30K
18.64 mi12:44:332:16:317:1924:34
7:54
#6968
20M
20.00 mi12:55:232:27:217:2210:50
7:58
#6854
21M
21.00 mi13:04:292:36:277:279:06
9:06
#6887
35K
21.75 mi13:10:142:42:127:275:45
7:41
#6771
23M
23.00 mi13:20:522:52:507:3110:38
8:30
#6813
24M
24.00 mi13:29:543:01:527:359:02
9:02
#7027
40K
24.85 mi13:38:003:09:587:398:06
9:28
#7237
25.2M
25.20 mi13:41:453:13:437:413:45
10:52
#7355
Finish
26.22 mi13:49:353:21:337:427:50
7:41
#7265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7582654765477562(Top 30%)6443(Top 44%)6443(Top 290%)
10K6.21 mi3.10 mi6961+6216116+4316116+4316353(Top 25%)5668(Top 39%)5668(Top 256%)
15K9.32 mi3.11 mi7135-1746211-956211-957562(Top 30%)6443(Top 44%)6443(Top 290%)
20K12.43 mi3.11 mi7044+916118+936118+937049(Top 28%)6023(Top 41%)6023(Top 272%)
Half13.11 mi0.68 mi7017+276095+236095+236674(Top 26%)5784(Top 40%)5784(Top 261%)
25K15.53 mi2.42 mi6988+296045+506045+507330(Top 29%)6022(Top 41%)6022(Top 272%)
30K18.64 mi3.11 mi6968+205972+735972+737340(Top 29%)5829(Top 40%)5829(Top 263%)
20M20.00 mi1.36 mi6854+1145860+1125860+1126591(Top 26%)5214(Top 36%)5214(Top 235%)
21M21.00 mi1.00 mi6887-335833+275833+279009(Top 35%)6282(Top 43%)6282(Top 283%)
35K21.75 mi0.75 mi6771+1165729+1045729+1046017(Top 24%)4699(Top 32%)4699(Top 212%)
23M23.00 mi1.25 mi6813-425707+225707+228426(Top 33%)5811(Top 40%)5811(Top 262%)
24M24.00 mi1.00 mi7027-2145799-925799-9212303(Top 48%)7694(Top 53%)7694(Top 347%)
40K24.85 mi0.85 mi7237-2105877-785877-7812975(Top 51%)7909(Top 54%)7909(Top 357%)
25.2M25.20 mi0.35 mi7355-1185920-435920-4314002(Top 55%)8387(Top 58%)8387(Top 378%)
Finish26.22 mi1.02 mi7265+905832+885832+886645(Top 26%)4676(Top 32%)4676(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7562

Males

6443

M45-49

6443

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6353

Males

5668

M45-49

5668

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7562

Males

6443

M45-49

6443

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7049

Males

6023

M45-49

6023

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6674

Males

5784

M45-49

5784

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7330

Males

6022

M45-49

6022

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7340

Males

5829

M45-49

5829

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6591

Males

5214

M45-49

5214

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9009

Males

6282

M45-49

6282

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6017

Males

4699

M45-49

4699

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8426

Males

5811

M45-49

5811

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12303

Males

7694

M45-49

7694

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12975

Males

7909

M45-49

7909

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14002

Males

8387

M45-49

8387

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6645

Males

4676

M45-49

4676

Passing Analysis

Category:
Athletes Passed
2146
Passed By
1829
Net Change
+317
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7582
5K → 10K63817+621#7582#6961
10K → 15K98272-174#6961#7135
15K → 20K204113+91#7135#7044
20K → Half4518+27#7044#7017
Half → 25K191162+29#7017#6988
25K → 30K227207+20#6988#6968
30K → 20M16955+114#6968#6854
20M → 21M104137-33#6854#6887
21M → 35K13216+116#6887#6771
35K → 23M107149-42#6771#6813
23M → 24M48262-214#6813#7027
24M → 40K38248-210#7027#7237
40K → 25.2M20138-118#7237#7355
25.2M → Finish12535+90#7355#7265
TOTALS21461829+317
📊

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