Boston Marathon logo
BOSTON MARATHON 2024

Sebastian Velasquez Rios

Bib: 11618•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:18
Rank: #10755
Start → 5K
23:18 | 7:30/mi
10K· 6.21 mi
47:24
Rank: #11475 (-720)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:11:58
Rank: #11907 (-432)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:37:33
Rank: #12257 (-350)
15K → 20K
25:35 | 8:14/mi
Half· 13.11 mi
1:43:08
Rank: #12348 (-91)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:03:57
Rank: #12530 (-182)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:32:34
Rank: #12864 (-334)
25K → 30K
28:37 | 9:13/mi
20M
2:45:47
Rank: #13054 (-190)
30K → 20M
13:13 | 9:44/mi
21M
2:54:24
Rank: #12631 (+423)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
3:00:28
Rank: #12472 (+159)
21M → 35K
6:04 | 8:07/mi
23M
3:11:39
Rank: #12295 (+177)
35K → 23M
11:11 | 8:56/mi
24M
3:21:14
Rank: #12403 (-108)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:29:48
Rank: #12510 (-107)
24M → 40K
8:34 | 10:01/mi
25.2M
3:33:35
Rank: #12547 (-37)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:44:14
Rank: #12955 (-408)
25.2M → Finish
10:39 | 10:27/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
Time1:43:08
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:01:06
Pace9:14 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3523:187:3023:18
7:30
-
10K
6.21 mi11:14:4147:247:3824:06
7:45
+0:15
15K
9.32 mi11:39:151:11:587:4324:34
7:54
+0:09
20K
12.43 mi12:04:501:37:337:5125:35
8:14
+0:20
Half
13.11 mi12:10:251:43:087:525:35
8:11
-0:03
25K
15.53 mi12:31:142:03:577:5920:49
8:35
+0:24
30K
18.64 mi12:59:512:32:348:1128:37
9:13
+0:38
20M
20.00 mi13:13:042:45:478:1713:13
9:44
+0:31
21M
21.00 mi13:21:412:54:248:188:37
8:37
-1:07
35K
21.75 mi13:27:453:00:288:186:04
8:07
-0:30
23M
23.00 mi13:38:563:11:398:2011:11
8:56
+0:49
24M
24.00 mi13:48:313:21:148:239:35
9:35
+0:39
40K
24.85 mi13:57:053:29:488:268:34
10:01
+0:26
25.2M
25.20 mi14:00:523:33:358:293:47
10:58
+0:57
Finish
26.22 mi14:11:313:44:148:3410:39
10:27
-0:31

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

7:30 /mi

Average Pace

8:34 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:58

32% of race

Time at Steady Pace

1:17:51

35% of race

Time at Slower Pace

1:14:25

33% of race

Average Pace: 8:33 /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 mi10:50:3523:187:3023:18
7:30
#10755
10K
6.21 mi11:14:4147:247:3824:06
7:45
#11475
15K
9.32 mi11:39:151:11:587:4324:34
7:54
#11907
20K
12.43 mi12:04:501:37:337:5125:35
8:14
#12257
Half
13.11 mi12:10:251:43:087:525:35
8:11
#12348
25K
15.53 mi12:31:142:03:577:5920:49
8:35
#12530
30K
18.64 mi12:59:512:32:348:1128:37
9:13
#12864
20M
20.00 mi13:13:042:45:478:1713:13
9:44
#13054
21M
21.00 mi13:21:412:54:248:188:37
8:37
#12631
35K
21.75 mi13:27:453:00:288:186:04
8:07
#12472
23M
23.00 mi13:38:563:11:398:2011:11
8:56
#12295
24M
24.00 mi13:48:313:21:148:239:35
9:35
#12403
40K
24.85 mi13:57:053:29:488:268:34
10:01
#12510
25.2M
25.20 mi14:00:523:33:358:293:47
10:58
#12547
Finish
26.22 mi14:11:313:44:148:3410:39
10:27
#12955
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi107558300830012731(Top 50%)9060(Top 62%)9060(Top 408%)
10K6.21 mi3.10 mi11475-7208580-2808580-28012281(Top 48%)8913(Top 61%)8913(Top 402%)
15K9.32 mi3.11 mi11907-4328726-1468726-14612731(Top 50%)9060(Top 62%)9060(Top 408%)
20K12.43 mi3.11 mi12257-3508869-1438869-14313318(Top 52%)9270(Top 64%)9270(Top 418%)
Half13.11 mi0.68 mi12348-918906-378906-3713876(Top 54%)9430(Top 65%)9430(Top 425%)
25K15.53 mi2.42 mi12530-1828951-458951-4513497(Top 53%)9149(Top 63%)9149(Top 412%)
30K18.64 mi3.11 mi12864-3349009-589009-5814220(Top 56%)9198(Top 63%)9198(Top 415%)
20M20.00 mi1.36 mi13054-1909009900915438(Top 60%)9485(Top 65%)9485(Top 428%)
21M21.00 mi1.00 mi12631+4238791+2188791+2186779(Top 27%)5153(Top 35%)5153(Top 232%)
35K21.75 mi0.75 mi12472+1598669+1228669+1228460(Top 33%)6007(Top 41%)6007(Top 271%)
23M23.00 mi1.25 mi12295+1778531+1388531+13810808(Top 42%)6986(Top 48%)6986(Top 315%)
24M24.00 mi1.00 mi12403-1088534-38534-314789(Top 58%)8914(Top 61%)8914(Top 402%)
40K24.85 mi0.85 mi12510-1078537-38537-315052(Top 59%)8980(Top 62%)8980(Top 405%)
25.2M25.20 mi0.35 mi12547-378531+68531+614358(Top 56%)8595(Top 59%)8595(Top 388%)
Finish26.22 mi1.02 mi12955-4088671-1408671-14019852(Top 78%)11404(Top 78%)11404(Top 514%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

12731

Males

9060

M45-49

9060

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12281

Males

8913

M45-49

8913

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

12731

Males

9060

M45-49

9060

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13318

Males

9270

M45-49

9270

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

13876

Males

9430

M45-49

9430

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

13497

Males

9149

M45-49

9149

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14220

Males

9198

M45-49

9198

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15438

Males

9485

M45-49

9485

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

6779

Males

5153

M45-49

5153

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8460

Males

6007

M45-49

6007

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

10808

Males

6986

M45-49

6986

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14789

Males

8914

M45-49

8914

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15052

Males

8980

M45-49

8980

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14358

Males

8595

M45-49

8595

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

19852

Males

11404

M45-49

11404

Passing Analysis

Category:
Athletes Passed
1822
Passed By
4022
Net Change
-2200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10755
5K → 10K92812-720#10755#11475
10K → 15K109541-432#11475#11907
15K → 20K137487-350#11907#12257
20K → Half18109-91#12257#12348
Half → 25K194376-182#12348#12530
25K → 30K182516-334#12530#12864
30K → 20M91281-190#12864#13054
20M → 21M4241+423#13054#12631
21M → 35K1667+159#12631#12472
35K → 23M21942+177#12472#12295
23M → 24M73181-108#12295#12403
24M → 40K59166-107#12403#12510
40K → 25.2M3471-37#12510#12547
25.2M → Finish24432-408#12547#12955
TOTALS18224022-2200
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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