Boston Marathon logo
BOSTON MARATHON 2023

Marcos Santos

Bib: 32192•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:39
Rank: #23915
Start → 5K
31:39 | 10:11/mi
10K· 6.21 mi
1:03:50
Rank: #24212 (-297)
5K → 10K
32:11 | 10:22/mi
15K· 9.32 mi
1:35:06
Rank: #24015 (+197)
10K → 15K
31:16 | 10:04/mi
20K· 12.43 mi
2:07:49
Rank: #23990 (+25)
15K → 20K
32:43 | 10:32/mi
Half· 13.11 mi
2:14:44
Rank: #23954 (+36)
20K → Half
6:55 | 10:08/mi
25K· 15.53 mi
2:41:10
Rank: #23909 (+45)
Half → 25K
26:26 | 10:54/mi
30K· 18.64 mi
3:20:48
Rank: #24293 (-384)
25K → 30K
39:38 | 12:45/mi
20M
3:38:24
Rank: #24410 (-117)
30K → 20M
17:36 | 12:57/mi
21M
3:51:43
Rank: #24421 (-11)
20M → 21M
13:19 | 13:19/mi
35K· 21.75 mi
4:00:28
Rank: #24409 (+12)
21M → 35K
8:45 | 11:42/mi
23M
4:14:46
Rank: #24345 (+64)
35K → 23M
14:18 | 11:25/mi
24M
4:25:52
Rank: #24309 (+36)
23M → 24M
11:06 | 11:06/mi
40K· 24.85 mi
4:35:21
Rank: #24254 (+55)
24M → 40K
9:29 | 11:05/mi
25.2M
4:39:29
Rank: #24228 (+26)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:50:09
Rank: #24186 (+42)
25.2M → Finish
10:40 | 10:28/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
Time2:14:44
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:35:25
Pace11:51 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3031:3910:1131:39
10:11
-
10K
6.21 mi12:27:411:03:5010:1632:11
10:22
+0:11
15K
9.32 mi12:58:571:35:0610:1231:16
10:04
-0:18
20K
12.43 mi13:31:402:07:4910:1732:43
10:32
+0:28
Half
13.11 mi13:38:352:14:4410:176:55
10:08
-0:24
25K
15.53 mi14:05:012:41:1010:2226:26
10:54
+0:46
30K
18.64 mi14:44:393:20:4810:4639:38
12:45
+1:51
20M
20.00 mi15:02:153:38:2410:5517:36
12:57
+0:12
21M
21.00 mi15:15:343:51:4311:0213:19
13:19
+0:22
35K
21.75 mi15:24:194:00:2811:038:45
11:42
-1:37
23M
23.00 mi15:38:374:14:4611:0514:18
11:25
-0:17
24M
24.00 mi15:49:434:25:5211:0511:06
11:06
-0:19
40K
24.85 mi15:59:124:35:2111:059:29
11:05
-0:01
25.2M
25.20 mi16:03:204:39:2911:054:08
11:59
+0:54
Finish
26.22 mi16:14:004:50:0911:0410:40
10:28
-1:31

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

10:04 /mi

Average Pace

11:04 /mi

Slowest Pace

13:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:24

50% of race

Time at Steady Pace

1:01:19

21% of race

Time at Slower Pace

1:23:26

29% of race

Average Pace: 11:04 /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 mi11:55:3031:3910:1131:39
10:11
#23915
10K
6.21 mi12:27:411:03:5010:1632:11
10:22
#24212
15K
9.32 mi12:58:571:35:0610:1231:16
10:04
#24015
20K
12.43 mi13:31:402:07:4910:1732:43
10:32
#23990
Half
13.11 mi13:38:352:14:4410:176:55
10:08
#23954
25K
15.53 mi14:05:012:41:1010:2226:26
10:54
#23909
30K
18.64 mi14:44:393:20:4810:4639:38
12:45
#24293
20M
20.00 mi15:02:153:38:2410:5517:36
12:57
#24410
21M
21.00 mi15:15:343:51:4311:0213:19
13:19
#24421
35K
21.75 mi15:24:194:00:2811:038:45
11:42
#24409
23M
23.00 mi15:38:374:14:4611:0514:18
11:25
#24345
24M
24.00 mi15:49:434:25:5211:0511:06
11:06
#24309
40K
24.85 mi15:59:124:35:2111:059:29
11:05
#24254
25.2M
25.20 mi16:03:204:39:2911:054:08
11:59
#24228
Finish
26.22 mi16:14:004:50:0911:0410:40
10:28
#24186
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23915140471404723629(Top 89%)13924(Top 92%)13924(Top 1254%)
10K6.21 mi3.10 mi24212-29714188-14114188-14124414(Top 92%)14272(Top 94%)14272(Top 1286%)
15K9.32 mi3.11 mi24015+19714095+9314095+9323629(Top 89%)13924(Top 92%)13924(Top 1254%)
20K12.43 mi3.11 mi23990+2514084+1114084+1123889(Top 90%)14030(Top 92%)14030(Top 1264%)
Half13.11 mi0.68 mi23954+3614067+1714067+1723544(Top 88%)13873(Top 91%)13873(Top 1250%)
25K15.53 mi2.42 mi23909+4514034+3314034+3323813(Top 89%)13936(Top 92%)13936(Top 1255%)
30K18.64 mi3.11 mi24293-38414176-14214176-14225208(Top 95%)14502(Top 96%)14502(Top 1306%)
20M20.00 mi1.36 mi24410-11714227-5114227-5125128(Top 94%)14440(Top 95%)14440(Top 1301%)
21M21.00 mi1.00 mi24421-1114222+514222+524409(Top 92%)14090(Top 93%)14090(Top 1269%)
35K21.75 mi0.75 mi24409+1214211+1114211+1124348(Top 91%)14018(Top 92%)14018(Top 1263%)
23M23.00 mi1.25 mi24345+6414171+4014171+4023106(Top 87%)13443(Top 89%)13443(Top 1211%)
24M24.00 mi1.00 mi24309+3614149+2214149+2223228(Top 87%)13455(Top 89%)13455(Top 1212%)
40K24.85 mi0.85 mi24254+5514123+2614123+2622537(Top 85%)13105(Top 86%)13105(Top 1181%)
25.2M25.20 mi0.35 mi24228+2614102+2114102+2122473(Top 84%)13075(Top 86%)13075(Top 1178%)
Finish26.22 mi1.02 mi24186+4214079+2314079+2322935(Top 86%)13295(Top 88%)13295(Top 1198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23629

Males

13924

M60-64

13924

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24414

Males

14272

M60-64

14272

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23629

Males

13924

M60-64

13924

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23889

Males

14030

M60-64

14030

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23544

Males

13873

M60-64

13873

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23813

Males

13936

M60-64

13936

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25208

Males

14502

M60-64

14502

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

25128

Males

14440

M60-64

14440

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24409

Males

14090

M60-64

14090

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24348

Males

14018

M60-64

14018

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23106

Males

13443

M60-64

13443

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23228

Males

13455

M60-64

13455

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22537

Males

13105

M60-64

13105

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22473

Males

13075

M60-64

13075

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22935

Males

13295

M60-64

13295

Passing Analysis

Category:
Athletes Passed
971
Passed By
1242
Net Change
-271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23915
5K → 10K82379-297#23915#24212
10K → 15K24851+197#24212#24015
15K → 20K12499+25#24015#23990
20K → Half448+36#23990#23954
Half → 25K10459+45#23954#23909
25K → 30K27411-384#23909#24293
30K → 20M14131-117#24293#24410
20M → 21M3546-11#24410#24421
21M → 35K3624+12#24421#24409
35K → 23M728+64#24409#24345
23M → 24M4711+36#24345#24309
24M → 40K616+55#24309#24254
40K → 25.2M271+26#24254#24228
25.2M → Finish508+42#24228#24186
TOTALS9711242-271
📊

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