Boston Marathon logo
BOSTON MARATHON 2023

Andrew Cortez

Bib: 11070•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 39%
Division (M50-54)
#0 / 2052
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:46
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:34:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:39:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:21:29
↑ 181↓ 1480.2%
20M
7:46/mi
2:32:02
↑ 64↓ 500.2%
21M
8:04/mi
2:40:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:45:42
↑ 17↓ 861.7%
23M
7:51/mi
2:55:32
↑ 23↓ 630.6%
24M
7:45/mi
3:03:17
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:10:03
↓ 200.3%
25.2M
8:48/mi
3:13:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:21:18
↑ 22↓ 21

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
Time1:39:25
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:41:53
Pace7:46 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3723:497:4023:49
7:40
-
10K
6.21 mi11:18:0547:177:3723:28
7:33
-0:07
15K
9.32 mi11:41:341:10:467:3623:29
7:34
+0:01
20K
12.43 mi12:05:071:34:197:3523:33
7:35
+0:01
Half
13.11 mi12:10:131:39:257:355:06
7:29
-0:06
25K
15.53 mi12:28:281:57:407:3418:15
7:32
+0:03
30K
18.64 mi12:52:172:21:297:3523:49
7:40
+0:08
20M
20.00 mi13:02:502:32:027:3610:33
7:46
+0:06
21M
21.00 mi13:10:542:40:067:378:04
8:04
+0:18
35K
21.75 mi13:16:302:45:427:375:36
7:29
-0:35
23M
23.00 mi13:26:202:55:327:389:50
7:51
+0:22
24M
24.00 mi13:34:053:03:177:387:45
7:45
-0:06
40K
24.85 mi13:40:513:10:037:396:46
7:55
+0:10
25.2M
25.20 mi13:43:533:13:057:403:02
8:48
+0:53
Finish
26.22 mi13:52:063:21:187:418:13
8:04
-0:44

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

7:29 /mi

Average Pace

7:41 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:16

98% of race

Time at Steady Pace

3:02

2% of race

Time at Slower Pace

0:00

0% 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 mi10:54:3723:497:4023:49
7:40
#11133
10K
6.21 mi11:18:0547:177:3723:28
7:33
#10985
15K
9.32 mi11:41:341:10:467:3623:29
7:34
#10859
20K
12.43 mi12:05:071:34:197:3523:33
7:35
#10611
Half
13.11 mi12:10:131:39:257:355:06
7:29
#10572
25K
15.53 mi12:28:281:57:407:3418:15
7:32
#10265
30K
18.64 mi12:52:172:21:297:3523:49
7:40
#9904
20M
20.00 mi13:02:502:32:027:3610:33
7:46
#9749
21M
21.00 mi13:10:542:40:067:378:04
8:04
#9630
35K
21.75 mi13:16:302:45:427:375:36
7:29
#9558
23M
23.00 mi13:26:202:55:327:389:50
7:51
#9461
24M
24.00 mi13:34:053:03:177:387:45
7:45
#9459
40K
24.85 mi13:40:513:10:037:396:46
7:55
#9427
25.2M
25.20 mi13:43:533:13:057:403:02
8:48
#9420
Finish
26.22 mi13:52:063:21:187:418:13
8:04
#9533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi111338719871910639(Top 40%)8467(Top 56%)8467(Top 413%)
10K6.21 mi3.10 mi10985+1488652+678652+6710892(Top 41%)8621(Top 57%)8621(Top 420%)
15K9.32 mi3.11 mi10859+1268582+708582+7010639(Top 40%)8467(Top 56%)8467(Top 413%)
20K12.43 mi3.11 mi10611+2488464+1188464+1189936(Top 37%)8035(Top 53%)8035(Top 392%)
Half13.11 mi0.68 mi10572+398454+108454+109968(Top 37%)8078(Top 53%)8078(Top 394%)
25K15.53 mi2.42 mi10265+3078271+1838271+1838976(Top 34%)7423(Top 49%)7423(Top 362%)
30K18.64 mi3.11 mi9904+3618041+2308041+2308410(Top 32%)6932(Top 46%)6932(Top 338%)
20M20.00 mi1.36 mi9749+1557929+1127929+1128578(Top 32%)6945(Top 46%)6945(Top 338%)
21M21.00 mi1.00 mi9630+1197840+897840+897788(Top 29%)6371(Top 42%)6371(Top 310%)
35K21.75 mi0.75 mi9558+727779+617779+618446(Top 32%)6777(Top 45%)6777(Top 330%)
23M23.00 mi1.25 mi9461+977700+797700+798754(Top 33%)6835(Top 45%)6835(Top 333%)
24M24.00 mi1.00 mi9459+27669+317669+319408(Top 35%)7106(Top 47%)7106(Top 346%)
40K24.85 mi0.85 mi9427+327611+587611+589411(Top 35%)7038(Top 46%)7038(Top 343%)
25.2M25.20 mi0.35 mi9420+77600+117600+1111227(Top 42%)7890(Top 52%)7890(Top 385%)
Finish26.22 mi1.02 mi9533-1137641-417641-4112519(Top 47%)8526(Top 56%)8526(Top 415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10639

Males

8467

M50-54

8467

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10892

Males

8621

M50-54

8621

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10639

Males

8467

M50-54

8467

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9936

Males

8035

M50-54

8035

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9968

Males

8078

M50-54

8078

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8976

Males

7423

M50-54

7423

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8410

Males

6932

M50-54

6932

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8578

Males

6945

M50-54

6945

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7788

Males

6371

M50-54

6371

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8446

Males

6777

M50-54

6777

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8754

Males

6835

M50-54

6835

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9408

Males

7106

M50-54

7106

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9411

Males

7038

M50-54

7038

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11227

Males

7890

M50-54

7890

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12519

Males

8526

M50-54

8526

Passing Analysis

Category:
Athletes Passed
2431*
Passed By
831
Net Change
+1600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11133
5K → 10K379231+148#11133#10985
10K → 15K254128+126#10985#10859
15K → 20K30658+248#10859#10611
20K → Half5819+39#10611#10572
Half → 25K32013+307#10572#10265
25K → 30K379*18+361#10265#9904
30K → 20M17217+155#9904#9749
20M → 21M14526+119#9749#9630
21M → 35K8412+72#9630#9558
35K → 23M13235+97#9558#9461
23M → 24M6967+2#9461#9459
24M → 40K81*49+32#9459#9427
40K → 25.2M2720+7#9427#9420
25.2M → Finish25138-113#9420#9533
TOTALS2431*831+1600

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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