Boston Marathon logo
BOSTON MARATHON 2023

Lucas Sartori

Bib: 26845•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:33
Rank: #24645
Start → 5K
32:33 | 10:29/mi
10K· 6.21 mi
1:05:33
Rank: #24801 (-156)
5K → 10K
33:00 | 10:37/mi
15K· 9.32 mi
1:39:34
Rank: #24950 (-149)
10K → 15K
34:01 | 10:57/mi
20K· 12.43 mi
2:15:22
Rank: #25057 (-107)
15K → 20K
35:48 | 11:31/mi
Half· 13.11 mi
2:22:49
Rank: #25044 (+13)
20K → Half
7:27 | 10:55/mi
25K· 15.53 mi
2:51:40
Rank: #25082 (-38)
Half → 25K
28:51 | 11:54/mi
30K· 18.64 mi
3:30:44
Rank: #25100 (-18)
25K → 30K
39:04 | 12:34/mi
20M
3:47:41
Rank: #25079 (+21)
30K → 20M
16:57 | 12:28/mi
21M
4:01:35
Rank: #25105 (-26)
20M → 21M
13:54 | 13:54/mi
35K· 21.75 mi
4:10:32
Rank: #25091 (+14)
21M → 35K
8:57 | 11:58/mi
23M
4:25:41
Rank: #25049 (+42)
35K → 23M
15:09 | 12:06/mi
24M
4:37:27
Rank: #25042 (+7)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
4:48:11
Rank: #25036 (+6)
24M → 40K
10:44 | 12:33/mi
25.2M
4:52:46
Rank: #25024 (+12)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
5:03:47
Rank: #24990 (+34)
25.2M → Finish
11:01 | 10:49/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
Time2:22:49
Pace10:54 /mi
2nd Half
Distance13.11 mi
Time2:40:58
Pace12:17 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1332:3310:2932:33
10:29
-
10K
6.21 mi12:29:131:05:3310:3333:00
10:37
+0:08
15K
9.32 mi13:03:141:39:3410:4134:01
10:57
+0:20
20K
12.43 mi13:39:022:15:2210:5435:48
11:31
+0:34
Half
13.11 mi13:46:292:22:4910:547:27
10:55
-0:36
25K
15.53 mi14:15:202:51:4011:0328:51
11:54
+0:59
30K
18.64 mi14:54:243:30:4411:1839:04
12:34
+0:40
20M
20.00 mi15:11:213:47:4111:2316:57
12:28
-0:06
21M
21.00 mi15:25:154:01:3511:3013:54
13:54
+1:26
35K
21.75 mi15:34:124:10:3211:318:57
11:58
-1:56
23M
23.00 mi15:49:214:25:4111:3315:09
12:06
+0:08
24M
24.00 mi16:01:074:37:2711:3411:46
11:46
-0:20
40K
24.85 mi16:11:514:48:1111:3610:44
12:33
+0:47
25.2M
25.20 mi16:16:264:52:4611:374:35
13:17
+0:44
Finish
26.22 mi16:27:275:03:4711:3611:01
10:49
-2:28

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

10:29 /mi

Average Pace

11:36 /mi

Slowest Pace

13:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:02

39% of race

Time at Steady Pace

1:40:31

33% of race

Time at Slower Pace

1:25:14

28% of race

Average Pace: 11:35 /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 mi11:56:1332:3310:2932:33
10:29
#24645
10K
6.21 mi12:29:131:05:3310:3333:00
10:37
#24801
15K
9.32 mi13:03:141:39:3410:4134:01
10:57
#24950
20K
12.43 mi13:39:022:15:2210:5435:48
11:31
#25057
Half
13.11 mi13:46:292:22:4910:547:27
10:55
#25044
25K
15.53 mi14:15:202:51:4011:0328:51
11:54
#25082
30K
18.64 mi14:54:243:30:4411:1839:04
12:34
#25100
20M
20.00 mi15:11:213:47:4111:2316:57
12:28
#25079
21M
21.00 mi15:25:154:01:3511:3013:54
13:54
#25105
35K
21.75 mi15:34:124:10:3211:318:57
11:58
#25091
23M
23.00 mi15:49:214:25:4111:3315:09
12:06
#25049
24M
24.00 mi16:01:074:37:2711:3411:46
11:46
#25042
40K
24.85 mi16:11:514:48:1111:3610:44
12:33
#25036
25.2M
25.20 mi16:16:264:52:4611:374:35
13:17
#25024
Finish
26.22 mi16:27:275:03:4711:3611:01
10:49
#24990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24645143811438125124(Top 94%)14572(Top 96%)14572(Top 276%)
10K6.21 mi3.10 mi24801-15614457-7614457-7624899(Top 94%)14493(Top 95%)14493(Top 274%)
15K9.32 mi3.11 mi24950-14914522-6514522-6525124(Top 94%)14572(Top 96%)14572(Top 276%)
20K12.43 mi3.11 mi25057-10714545-2314545-2325265(Top 95%)14606(Top 96%)14606(Top 276%)
Half13.11 mi0.68 mi25044+1314544+114544+124823(Top 93%)14407(Top 95%)14407(Top 273%)
25K15.53 mi2.42 mi25082-3814550-614550-625074(Top 94%)14496(Top 96%)14496(Top 274%)
30K18.64 mi3.11 mi25100-1814534+1614534+1625066(Top 94%)14440(Top 95%)14440(Top 273%)
20M20.00 mi1.36 mi25079+2114518+1614518+1624716(Top 93%)14241(Top 94%)14241(Top 269%)
21M21.00 mi1.00 mi25105-2614519-114519-124946(Top 94%)14342(Top 95%)14342(Top 271%)
35K21.75 mi0.75 mi25091+1414507+1214507+1224652(Top 93%)14150(Top 93%)14150(Top 268%)
23M23.00 mi1.25 mi25049+4214476+3114476+3124132(Top 91%)13910(Top 92%)13910(Top 263%)
24M24.00 mi1.00 mi25042+714474+214474+224221(Top 91%)13915(Top 92%)13915(Top 263%)
40K24.85 mi0.85 mi25036+614466+814466+824505(Top 92%)14046(Top 93%)14046(Top 266%)
25.2M25.20 mi0.35 mi25024+1214454+1214454+1224302(Top 91%)13952(Top 92%)13952(Top 264%)
Finish26.22 mi1.02 mi24990+3414434+2014434+2023629(Top 89%)13640(Top 90%)13640(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25124

Males

14572

M18-39

14572

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24899

Males

14493

M18-39

14493

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25124

Males

14572

M18-39

14572

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25265

Males

14606

M18-39

14606

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24823

Males

14407

M18-39

14407

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25074

Males

14496

M18-39

14496

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25066

Males

14440

M18-39

14440

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24716

Males

14241

M18-39

14241

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

24946

Males

14342

M18-39

14342

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24652

Males

14150

M18-39

14150

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24132

Males

13910

M18-39

13910

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24221

Males

13915

M18-39

13915

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24505

Males

14046

M18-39

14046

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24302

Males

13952

M18-39

13952

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23629

Males

13640

M18-39

13640

Passing Analysis

Category:
Athletes Passed
670
Passed By
1015
Net Change
-345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24645
5K → 10K125281-156#24645#24801
10K → 15K65214-149#24801#24950
15K → 20K69176-107#24950#25057
20K → Half2411+13#25057#25044
Half → 25K5492-38#25044#25082
25K → 30K7290-18#25082#25100
30K → 20M5736+21#25100#25079
20M → 21M2147-26#25079#25105
21M → 35K228+14#25105#25091
35K → 23M5412+42#25091#25049
23M → 24M2518+7#25049#25042
24M → 40K2620+6#25042#25036
40K → 25.2M197+12#25036#25024
25.2M → Finish373+34#25024#24990
TOTALS6701015-345
📊

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