Boston Marathon logo
BOSTON MARATHON 2023

Derek Mauro

Bib: 975•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:38
Rank: #682
Start → 5K
18:38 | 6:00/mi
10K· 6.21 mi
37:03
Rank: #653 (+29)
5K → 10K
18:25 | 5:56/mi
15K· 9.32 mi
55:40
Rank: #665 (-12)
10K → 15K
18:37 | 6:00/mi
20K· 12.43 mi
1:14:28
Rank: #651 (+14)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:18:30
Rank: #645 (+6)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:33:10
Rank: #639 (+6)
Half → 25K
14:40 | 6:03/mi
30K· 18.64 mi
1:52:07
Rank: #596 (+43)
25K → 30K
18:57 | 6:06/mi
20M
2:00:34
Rank: #598 (-2)
30K → 20M
8:27 | 6:13/mi
21M
2:07:08
Rank: #605 (-7)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:11:39
Rank: #602 (+3)
21M → 35K
4:31 | 6:02/mi
23M
2:19:28
Rank: #604 (-2)
35K → 23M
7:49 | 6:15/mi
24M
2:25:36
Rank: #604
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:30:54
Rank: #599 (+5)
24M → 40K
5:18 | 6:12/mi
25.2M
2:33:11
Rank: #597 (+2)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:39:29
Rank: #604 (-7)
25.2M → Finish
6:18 | 6:11/mi

Course Map & Elevation

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
Time1:18:30
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:20:59
Pace6:11 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5118:386:0018:38
6:00
-
10K
6.21 mi10:37:1637:035:5818:25
5:56
-0:04
15K
9.32 mi10:55:5355:405:5818:37
6:00
+0:04
20K
12.43 mi11:14:411:14:286:0018:48
6:03
+0:03
Half
13.11 mi11:18:431:18:305:594:02
5:55
-0:08
25K
15.53 mi11:33:231:33:106:0014:40
6:03
+0:08
30K
18.64 mi11:52:201:52:076:0118:57
6:06
+0:03
20M
20.00 mi12:00:472:00:346:028:27
6:13
+0:07
21M
21.00 mi12:07:212:07:086:036:34
6:34
+0:21
35K
21.75 mi12:11:522:11:396:034:31
6:02
-0:32
23M
23.00 mi12:19:412:19:286:047:49
6:15
+0:13
24M
24.00 mi12:25:492:25:366:046:08
6:08
-0:07
40K
24.85 mi12:31:072:30:546:045:18
6:12
+0:04
25.2M
25.20 mi12:33:242:33:116:052:17
6:37
+0:25
Finish
26.22 mi12:39:422:39:296:056:18
6:11
-0:26

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

5:55 /mi

Average Pace

6:05 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:30:38

94% of race

Time at Steady Pace

8:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:05 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:5118:386:0018:38
6:00
#682
10K
6.21 mi10:37:1637:035:5818:25
5:56
#653
15K
9.32 mi10:55:5355:405:5818:37
6:00
#665
20K
12.43 mi11:14:411:14:286:0018:48
6:03
#651
Half
13.11 mi11:18:431:18:305:594:02
5:55
#645
25K
15.53 mi11:33:231:33:106:0014:40
6:03
#639
30K
18.64 mi11:52:201:52:076:0118:57
6:06
#596
20M
20.00 mi12:00:472:00:346:028:27
6:13
#598
21M
21.00 mi12:07:212:07:086:036:34
6:34
#605
35K
21.75 mi12:11:522:11:396:034:31
6:02
#602
23M
23.00 mi12:19:412:19:286:047:49
6:15
#604
24M
24.00 mi12:25:492:25:366:046:08
6:08
#604
40K
24.85 mi12:31:072:30:546:045:18
6:12
#599
25.2M
25.20 mi12:33:242:33:116:052:17
6:37
#597
Finish
26.22 mi12:39:422:39:296:056:18
6:11
#604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi682637637685(Top 3%)642(Top 4%)642(Top 12%)
10K6.21 mi3.10 mi653+29609+28609+28634(Top 2%)591(Top 4%)591(Top 11%)
15K9.32 mi3.11 mi665-12622-13622-13685(Top 3%)642(Top 4%)642(Top 12%)
20K12.43 mi3.11 mi651+14608+14608+14656(Top 2%)614(Top 4%)614(Top 12%)
Half13.11 mi0.68 mi645+6602+6602+6570(Top 2%)532(Top 4%)532(Top 10%)
25K15.53 mi2.42 mi639+6598+4598+4621(Top 2%)580(Top 4%)580(Top 11%)
30K18.64 mi3.11 mi596+43556+42556+42507(Top 2%)475(Top 3%)475(Top 9%)
20M20.00 mi1.36 mi598-2558-2558-2680(Top 3%)643(Top 4%)643(Top 12%)
21M21.00 mi1.00 mi605-7565-7565-7777(Top 3%)734(Top 5%)734(Top 14%)
35K21.75 mi0.75 mi602+3562+3562+3756(Top 3%)715(Top 5%)715(Top 14%)
23M23.00 mi1.25 mi604-2564-2564-2695(Top 3%)655(Top 4%)655(Top 12%)
24M24.00 mi1.00 mi604564564821(Top 3%)777(Top 5%)777(Top 15%)
40K24.85 mi0.85 mi599+5559+5559+5650(Top 2%)614(Top 4%)614(Top 12%)
25.2M25.20 mi0.35 mi597+2557+2557+2683(Top 3%)648(Top 4%)648(Top 12%)
Finish26.22 mi1.02 mi604-7564-7564-71199(Top 5%)1140(Top 8%)1140(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

685

Males

642

M18-39

642

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

634

Males

591

M18-39

591

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

685

Males

642

M18-39

642

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

656

Males

614

M18-39

614

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

570

Males

532

M18-39

532

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

621

Males

580

M18-39

580

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

507

Males

475

M18-39

475

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

680

Males

643

M18-39

643

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

777

Males

734

M18-39

734

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

756

Males

715

M18-39

715

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

695

Males

655

M18-39

655

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

821

Males

777

M18-39

777

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

650

Males

614

M18-39

614

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

683

Males

648

M18-39

648

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1199

Males

1140

M18-39

1140

Passing Analysis

Category:
Athletes Passed
222
Passed By
144
Net Change
+78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#682
5K → 10K4516+29#682#653
10K → 15K1426-12#653#665
15K → 20K239+14#665#651
20K → Half60+6#651#645
Half → 25K2014+6#645#639
25K → 30K474+43#639#596
30K → 20M1416-2#596#598
20M → 21M512-7#598#605
21M → 35K74+3#605#602
35K → 23M1315-2#602#604
23M → 24M770#604#604
24M → 40K116+5#604#599
40K → 25.2M53+2#599#597
25.2M → Finish512-7#597#604
TOTALS222144+78
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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