Boston Marathon logo
BOSTON MARATHON 2023

Alexander Rojo

Bib: 16515•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M55-59)
#0 / 1422
Top 31%
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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
49:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:13:22
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:37:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:42:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:01:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:26:45
↑ 181↓ 1480.2%
20M
8:01/mi
2:37:39
↑ 64↓ 500.2%
21M
8:20/mi
2:45:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:51:50
↑ 17↓ 861.7%
23M
7:50/mi
3:01:38
↑ 23↓ 630.6%
24M
7:47/mi
3:09:25
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:16:16
↓ 200.3%
25.2M
8:27/mi
3:19:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:27:00
↑ 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
Time1:42:52
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4925:248:1125:24
8:11
-
10K
6.21 mi11:39:5049:257:5724:01
7:44
-0:27
15K
9.32 mi12:03:471:13:227:5223:57
7:43
-0:01
20K
12.43 mi12:28:011:37:367:5124:14
7:48
+0:05
Half
13.11 mi12:33:171:42:527:515:16
7:43
-0:05
25K
15.53 mi12:52:192:01:547:5119:02
7:51
+0:08
30K
18.64 mi13:17:102:26:457:5224:51
8:00
+0:09
20M
20.00 mi13:28:042:37:397:5310:54
8:01
+0:01
21M
21.00 mi13:36:242:45:597:548:20
8:20
+0:19
35K
21.75 mi13:42:152:51:507:545:51
7:49
-0:31
23M
23.00 mi13:52:033:01:387:549:48
7:50
+0:01
24M
24.00 mi13:59:503:09:257:547:47
7:47
-0:03
40K
24.85 mi14:06:413:16:167:546:51
8:01
+0:14
25.2M
25.20 mi14:09:363:19:117:542:55
8:27
+0:26
Finish
26.22 mi14:17:253:27:007:547:49
7:40
-0:47

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

7:40 /mi

Average Pace

7:54 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:05

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:15:4925:248:1125:24
8:11
#15252
10K
6.21 mi11:39:5049:257:5724:01
7:44
#13995
15K
9.32 mi12:03:471:13:227:5223:57
7:43
#13332
20K
12.43 mi12:28:011:37:367:5124:14
7:48
#12879
Half
13.11 mi12:33:171:42:527:515:16
7:43
#12824
25K
15.53 mi12:52:192:01:547:5119:02
7:51
#12570
30K
18.64 mi13:17:102:26:457:5224:51
8:00
#12234
20M
20.00 mi13:28:042:37:397:5310:54
8:01
#12060
21M
21.00 mi13:36:242:45:597:548:20
8:20
#11903
35K
21.75 mi13:42:152:51:507:545:51
7:49
#11858
23M
23.00 mi13:52:033:01:387:549:48
7:50
#11620
24M
24.00 mi13:59:503:09:257:547:47
7:47
#11522
40K
24.85 mi14:06:413:16:167:546:51
8:01
#11444
25.2M
25.20 mi14:09:363:19:117:542:55
8:27
#11400
Finish
26.22 mi14:17:253:27:007:547:49
7:40
#11288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15252104251042511903(Top 45%)9036(Top 60%)9036(Top 635%)
10K6.21 mi3.10 mi13995+12579936+4899936+48912498(Top 47%)9331(Top 61%)9331(Top 656%)
15K9.32 mi3.11 mi13332+6639662+2749662+27411903(Top 45%)9036(Top 60%)9036(Top 635%)
20K12.43 mi3.11 mi12879+4539454+2089454+20811734(Top 44%)8905(Top 59%)8905(Top 626%)
Half13.11 mi0.68 mi12824+559429+259429+2511978(Top 45%)9055(Top 60%)9055(Top 637%)
25K15.53 mi2.42 mi12570+2549285+1449285+14411498(Top 43%)8713(Top 57%)8713(Top 613%)
30K18.64 mi3.11 mi12234+3369101+1849101+18410895(Top 41%)8297(Top 55%)8297(Top 583%)
20M20.00 mi1.36 mi12060+1749006+959006+9510413(Top 39%)7971(Top 53%)7971(Top 561%)
21M21.00 mi1.00 mi11903+1578932+748932+749419(Top 35%)7306(Top 48%)7306(Top 514%)
35K21.75 mi0.75 mi11858+458893+398893+3910777(Top 40%)8000(Top 53%)8000(Top 563%)
23M23.00 mi1.25 mi11620+2388767+1268767+1268606(Top 32%)6764(Top 45%)6764(Top 476%)
24M24.00 mi1.00 mi11522+988703+648703+649648(Top 36%)7227(Top 48%)7227(Top 508%)
40K24.85 mi0.85 mi11444+788646+578646+5710115(Top 38%)7396(Top 49%)7396(Top 520%)
25.2M25.20 mi0.35 mi11400+448611+358611+359231(Top 35%)6891(Top 45%)6891(Top 485%)
Finish26.22 mi1.02 mi11288+1128540+718540+719776(Top 37%)7168(Top 47%)7168(Top 504%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11903

Males

9036

M55-59

9036

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12498

Males

9331

M55-59

9331

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11903

Males

9036

M55-59

9036

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11734

Males

8905

M55-59

8905

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11978

Males

9055

M55-59

9055

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11498

Males

8713

M55-59

8713

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10895

Males

8297

M55-59

8297

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10413

Males

7971

M55-59

7971

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9419

Males

7306

M55-59

7306

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10777

Males

8000

M55-59

8000

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8606

Males

6764

M55-59

6764

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9648

Males

7227

M55-59

7227

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10115

Males

7396

M55-59

7396

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9231

Males

6891

M55-59

6891

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9776

Males

7168

M55-59

7168

Passing Analysis

Category:
Athletes Passed
4289
Passed By
325
Net Change
+3964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15252
5K → 10K129235+1257#15252#13995
10K → 15K68421+663#13995#13332
15K → 20K47724+453#13332#12879
20K → Half638+55#12879#12824
Half → 25K28329+254#12824#12570
25K → 30K38650+336#12570#12234
30K → 20M19622+174#12234#12060
20M → 21M17821+157#12060#11903
21M → 35K7328+45#11903#11858
35K → 23M2479+238#11858#11620
23M → 24M11517+98#11620#11522
24M → 40K10325+78#11522#11444
40K → 25.2M5915+44#11444#11400
25.2M → Finish13321+112#11400#11288
TOTALS4289325+3964
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing