Boston Marathon logo
BOSTON MARATHON 2023

Jose Romero

Bib: 19220•M

MD

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #15481
Start → 5K
25:29 | 8:12/mi
10K· 6.21 mi
50:37
Rank: #15429 (+52)
5K → 10K
25:08 | 8:05/mi
15K· 9.32 mi
1:15:53
Rank: #15426 (+3)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:41:08
Rank: #15152 (+274)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:46:35
Rank: #15098 (+54)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:06:11
Rank: #14799 (+299)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:32:15
Rank: #14575 (+224)
25K → 30K
26:04 | 8:23/mi
20M
2:43:51
Rank: #14492 (+83)
30K → 20M
11:36 | 8:32/mi
21M
2:53:01
Rank: #14476 (+16)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:59:15
Rank: #14471 (+5)
21M → 35K
6:14 | 8:20/mi
23M
3:10:13
Rank: #14472 (-1)
35K → 23M
10:58 | 8:46/mi
24M
3:19:28
Rank: #14654 (-182)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:28:18
Rank: #14976 (-322)
24M → 40K
8:50 | 10:20/mi
25.2M
3:32:29
Rank: #15226 (-250)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
3:43:28
Rank: #15791 (-565)
25.2M → Finish
10:59 | 10:47/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
Time1:46:35
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:56:53
Pace8:55 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0125:298:1225:29
8:12
-
10K
6.21 mi11:42:0950:378:0925:08
8:05
-0:07
15K
9.32 mi12:07:251:15:538:0825:16
8:08
+0:03
20K
12.43 mi12:32:401:41:088:0825:15
8:08
0:00
Half
13.11 mi12:38:071:46:358:085:27
7:59
-0:09
25K
15.53 mi12:57:432:06:118:0719:36
8:05
+0:06
30K
18.64 mi13:23:472:32:158:1026:04
8:23
+0:18
20M
20.00 mi13:35:232:43:518:1211:36
8:32
+0:09
21M
21.00 mi13:44:332:53:018:149:10
9:10
+0:38
35K
21.75 mi13:50:472:59:158:156:14
8:20
-0:50
23M
23.00 mi14:01:453:10:138:1610:58
8:46
+0:26
24M
24.00 mi14:11:003:19:288:199:15
9:15
+0:29
40K
24.85 mi14:19:503:28:188:238:50
10:20
+1:05
25.2M
25.20 mi14:24:013:32:298:264:11
12:08
+1:48
Finish
26.22 mi14:35:003:43:288:3210:59
10:47
-1:21

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

7:59 /mi

Average Pace

8:32 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:01:03

81% of race

Time at Slower Pace

42:25

19% of race

Average Pace: 8:31 /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 mi11:17:0125:298:1225:29
8:12
#15481
10K
6.21 mi11:42:0950:378:0925:08
8:05
#15429
15K
9.32 mi12:07:251:15:538:0825:16
8:08
#15426
20K
12.43 mi12:32:401:41:088:0825:15
8:08
#15152
Half
13.11 mi12:38:071:46:358:085:27
7:59
#15098
25K
15.53 mi12:57:432:06:118:0719:36
8:05
#14799
30K
18.64 mi13:23:472:32:158:1026:04
8:23
#14575
20M
20.00 mi13:35:232:43:518:1211:36
8:32
#14492
21M
21.00 mi13:44:332:53:018:149:10
9:10
#14476
35K
21.75 mi13:50:472:59:158:156:14
8:20
#14471
23M
23.00 mi14:01:453:10:138:1610:58
8:46
#14472
24M
24.00 mi14:11:003:19:288:199:15
9:15
#14654
40K
24.85 mi14:19:503:28:188:238:50
10:20
#14976
25.2M
25.20 mi14:24:013:32:298:264:11
12:08
#15226
Finish
26.22 mi14:35:003:43:288:3210:59
10:47
#15791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15481105091050915372(Top 58%)10463(Top 69%)10463(Top 736%)
10K6.21 mi3.10 mi15429+5210490+1910490+1915433(Top 58%)10490(Top 69%)10490(Top 738%)
15K9.32 mi3.11 mi15426+310477+1310477+1315372(Top 58%)10463(Top 69%)10463(Top 736%)
20K12.43 mi3.11 mi15152+27410354+12310354+12314405(Top 54%)10043(Top 66%)10043(Top 706%)
Half13.11 mi0.68 mi15098+5410334+2010334+2014251(Top 54%)10023(Top 66%)10023(Top 705%)
25K15.53 mi2.42 mi14799+29910196+13810196+13813399(Top 50%)9528(Top 63%)9528(Top 670%)
30K18.64 mi3.11 mi14575+22410072+12410072+12413628(Top 51%)9507(Top 63%)9507(Top 669%)
20M20.00 mi1.36 mi14492+8310003+6910003+6913844(Top 52%)9509(Top 63%)9509(Top 669%)
21M21.00 mi1.00 mi14476+169978+259978+2514292(Top 54%)9625(Top 63%)9625(Top 677%)
35K21.75 mi0.75 mi14471+59963+159963+1514272(Top 54%)9550(Top 63%)9550(Top 672%)
23M23.00 mi1.25 mi14472-19941+229941+2214747(Top 55%)9698(Top 64%)9698(Top 682%)
24M24.00 mi1.00 mi14654-1829982-419982-4118234(Top 68%)11185(Top 74%)11185(Top 787%)
40K24.85 mi0.85 mi14976-32210095-11310095-11320802(Top 78%)12285(Top 81%)12285(Top 864%)
25.2M25.20 mi0.35 mi15226-25010187-9210187-9222694(Top 85%)13165(Top 87%)13165(Top 926%)
Finish26.22 mi1.02 mi15791-56510399-21210399-21223555(Top 88%)13595(Top 90%)13595(Top 956%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15372

Males

10463

M55-59

10463

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15433

Males

10490

M55-59

10490

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15372

Males

10463

M55-59

10463

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14405

Males

10043

M55-59

10043

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14251

Males

10023

M55-59

10023

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13399

Males

9528

M55-59

9528

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13628

Males

9507

M55-59

9507

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13844

Males

9509

M55-59

9509

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14292

Males

9625

M55-59

9625

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14272

Males

9550

M55-59

9550

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14747

Males

9698

M55-59

9698

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18234

Males

11185

M55-59

11185

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20802

Males

12285

M55-59

12285

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22694

Males

13165

M55-59

13165

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23555

Males

13595

M55-59

13595

Passing Analysis

Category:
Athletes Passed
1907
Passed By
2217
Net Change
-310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15481
5K → 10K322270+52#15481#15429
10K → 15K186183+3#15429#15426
15K → 20K32248+274#15426#15152
20K → Half7016+54#15152#15098
Half → 25K31617+299#15098#14799
25K → 30K28258+224#14799#14575
30K → 20M13047+83#14575#14492
20M → 21M9276+16#14492#14476
21M → 35K4641+5#14476#14471
35K → 23M8283-1#14471#14472
23M → 24M35217-182#14472#14654
24M → 40K13335-322#14654#14976
40K → 25.2M4254-250#14976#15226
25.2M → Finish7572-565#15226#15791
TOTALS19072217-310
📊

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