Boston Marathon logo
BOSTON MARATHON 2023

Andres Rivera

Bib: 30984•M

NH

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
34:23
Rank: #25784
Start → 5K
34:23 | 11:04/mi
10K· 6.21 mi
1:11:20
Rank: #26083 (-299)
5K → 10K
36:57 | 11:54/mi
15K· 9.32 mi
1:47:24
Rank: #25990 (+93)
10K → 15K
36:04 | 11:37/mi
20K· 12.43 mi
2:27:06
Rank: #26052 (-62)
15K → 20K
39:42 | 12:47/mi
Half· 13.11 mi
2:34:21
Rank: #26000 (+52)
20K → Half
7:15 | 10:38/mi
25K· 15.53 mi
3:02:47
Rank: #25835 (+165)
Half → 25K
28:26 | 11:44/mi
30K· 18.64 mi
3:43:03
Rank: #25761 (+74)
25K → 30K
40:16 | 12:58/mi
20M
4:04:19
Rank: #25857 (-96)
30K → 20M
21:16 | 15:39/mi
21M
4:16:44
Rank: #25778 (+79)
20M → 21M
12:25 | 12:25/mi
35K· 21.75 mi
4:25:58
Rank: #25760 (+18)
21M → 35K
9:14 | 12:21/mi
23M
4:41:50
Rank: #25724 (+36)
35K → 23M
15:52 | 12:40/mi
24M
4:54:42
Rank: #25717 (+7)
23M → 24M
12:52 | 12:52/mi
40K· 24.85 mi
5:05:37
Rank: #25692 (+25)
24M → 40K
10:55 | 12:46/mi
25.2M
5:10:07
Rank: #25678 (+14)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
5:21:21
Rank: #25645 (+33)
25.2M → Finish
11:14 | 11:01/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
Time2:34:21
Pace11:46 /mi
2nd Half
Distance13.11 mi
Time2:47:00
Pace12:44 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3234:2311:0434:23
11:04
-
10K
6.21 mi12:35:291:11:2011:2936:57
11:54
+0:50
15K
9.32 mi13:11:331:47:2411:3136:04
11:37
-0:17
20K
12.43 mi13:51:152:27:0611:5039:42
12:47
+1:10
Half
13.11 mi13:58:302:34:2111:467:15
10:38
-2:09
25K
15.53 mi14:26:563:02:4711:4628:26
11:44
+1:06
30K
18.64 mi15:07:123:43:0311:5840:16
12:58
+1:14
20M
20.00 mi15:28:284:04:1912:1321:16
15:39
+2:41
21M
21.00 mi15:40:534:16:4412:1412:25
12:25
-3:14
35K
21.75 mi15:50:074:25:5812:149:14
12:21
-0:04
23M
23.00 mi16:05:594:41:5012:1515:52
12:40
+0:19
24M
24.00 mi16:18:514:54:4212:1712:52
12:52
+0:12
40K
24.85 mi16:29:465:05:3712:1810:55
12:46
-0:06
25.2M
25.20 mi16:34:165:10:0712:184:30
13:03
+0:17
Finish
26.22 mi16:45:305:21:2112:1611:14
11:01
-2:02

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

10:38 /mi

Average Pace

12:16 /mi

Slowest Pace

15:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:22

37% of race

Time at Steady Pace

2:58:13

55% of race

Time at Slower Pace

25:46

8% of race

Average Pace: 12:15 /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 mi11:58:3234:2311:0434:23
11:04
#25784
10K
6.21 mi12:35:291:11:2011:2936:57
11:54
#26083
15K
9.32 mi13:11:331:47:2411:3136:04
11:37
#25990
20K
12.43 mi13:51:152:27:0611:5039:42
12:47
#26052
Half
13.11 mi13:58:302:34:2111:467:15
10:38
#26000
25K
15.53 mi14:26:563:02:4711:4628:26
11:44
#25835
30K
18.64 mi15:07:123:43:0311:5840:16
12:58
#25761
20M
20.00 mi15:28:284:04:1912:1321:16
15:39
#25857
21M
21.00 mi15:40:534:16:4412:1412:25
12:25
#25778
35K
21.75 mi15:50:074:25:5812:149:14
12:21
#25760
23M
23.00 mi16:05:594:41:5012:1515:52
12:40
#25724
24M
24.00 mi16:18:514:54:4212:1712:52
12:52
#25717
40K
24.85 mi16:29:465:05:3712:1810:55
12:46
#25692
25.2M
25.20 mi16:34:165:10:0712:184:30
13:03
#25678
Finish
26.22 mi16:45:305:21:2112:1611:14
11:01
#25645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25784148511485125800(Top 97%)14859(Top 98%)14859(Top 281%)
10K6.21 mi3.10 mi26083-29914963-11214963-11226218(Top 98%)15016(Top 99%)15016(Top 284%)
15K9.32 mi3.11 mi25990+9314936+2714936+2725800(Top 97%)14859(Top 98%)14859(Top 281%)
20K12.43 mi3.11 mi26052-6214959-2314959-2326127(Top 98%)14975(Top 99%)14975(Top 283%)
Half13.11 mi0.68 mi26000+5214942+1714942+1724420(Top 92%)14240(Top 94%)14240(Top 269%)
25K15.53 mi2.42 mi25835+16514864+7814864+7824910(Top 94%)14422(Top 95%)14422(Top 273%)
30K18.64 mi3.11 mi25761+7414823+4114823+4125380(Top 95%)14578(Top 96%)14578(Top 276%)
20M20.00 mi1.36 mi25857-9614859-3614859-3626450(Top 99%)15082(Top 99%)15082(Top 285%)
21M21.00 mi1.00 mi25778+7914822+3714822+3723351(Top 88%)13597(Top 90%)13597(Top 257%)
35K21.75 mi0.75 mi25760+1814811+1114811+1125016(Top 94%)14332(Top 94%)14332(Top 271%)
23M23.00 mi1.25 mi25724+3614791+2014791+2024767(Top 93%)14229(Top 94%)14229(Top 269%)
24M24.00 mi1.00 mi25717+714780+1114780+1125381(Top 95%)14486(Top 95%)14486(Top 274%)
40K24.85 mi0.85 mi25692+2514769+1114769+1124744(Top 93%)14179(Top 93%)14179(Top 268%)
25.2M25.20 mi0.35 mi25678+1414762+714762+724025(Top 90%)13811(Top 91%)13811(Top 261%)
Finish26.22 mi1.02 mi25645+3314744+1814744+1824022(Top 90%)13831(Top 91%)13831(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25800

Males

14859

M18-39

14859

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26218

Males

15016

M18-39

15016

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25800

Males

14859

M18-39

14859

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

26127

Males

14975

M18-39

14975

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24420

Males

14240

M18-39

14240

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24910

Males

14422

M18-39

14422

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25380

Males

14578

M18-39

14578

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26450

Males

15082

M18-39

15082

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23351

Males

13597

M18-39

13597

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25016

Males

14332

M18-39

14332

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24767

Males

14229

M18-39

14229

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25381

Males

14486

M18-39

14486

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24744

Males

14179

M18-39

14179

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24025

Males

13811

M18-39

13811

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

24022

Males

13831

M18-39

13831

Passing Analysis

Category:
Athletes Passed
705
Passed By
566
Net Change
+139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25784
5K → 10K15314-299#25784#26083
10K → 15K11219+93#26083#25990
15K → 20K2789-62#25990#26052
20K → Half520+52#26052#26000
Half → 25K1672+165#26000#25835
25K → 30K9117+74#25835#25761
30K → 20M4100-96#25761#25857
20M → 21M812+79#25857#25778
21M → 35K224+18#25778#25760
35K → 23M426+36#25760#25724
23M → 24M158+7#25724#25717
24M → 40K261+25#25717#25692
40K → 25.2M151+14#25692#25678
25.2M → Finish363+33#25678#25645
TOTALS705566+139
📊

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