Boston Marathon logo
BOSTON MARATHON 2023

Cristian Cosmoski Rangel De Abreu

Bib: 6486•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
20:41
Rank: #3298
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:01
Rank: #3173 (+125)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:43
Rank: #3358 (-185)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:41
Rank: #3477 (-119)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:27:19
Rank: #3541 (-64)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:43:54
Rank: #3669 (-128)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:06:06
Rank: #3986 (-317)
25K → 30K
22:12 | 7:09/mi
20M
2:16:06
Rank: #4205 (-219)
30K → 20M
10:00 | 7:22/mi
21M
2:23:57
Rank: #4359 (-154)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:29:11
Rank: #4397 (-38)
21M → 35K
5:14 | 7:00/mi
23M
2:38:15
Rank: #4455 (-58)
35K → 23M
9:04 | 7:14/mi
24M
2:45:25
Rank: #4504 (-49)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:51:41
Rank: #4518 (-14)
24M → 40K
6:16 | 7:20/mi
25.2M
2:54:28
Rank: #4551 (-33)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:01:51
Rank: #4590 (-39)
25.2M → Finish
7:23 | 7:15/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
Time1:27:19
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0620:416:3920:41
6:39
-
10K
6.21 mi10:44:2641:016:3620:20
6:33
-0:06
15K
9.32 mi11:05:081:01:436:3720:42
6:40
+0:07
20K
12.43 mi11:26:061:22:416:3920:58
6:45
+0:05
Half
13.11 mi11:30:441:27:196:404:38
6:47
+0:02
25K
15.53 mi11:47:191:43:546:4116:35
6:50
+0:03
30K
18.64 mi12:09:312:06:066:4622:12
7:09
+0:19
20M
20.00 mi12:19:312:16:066:4810:00
7:22
+0:13
21M
21.00 mi12:27:222:23:576:517:51
7:51
+0:29
35K
21.75 mi12:32:362:29:116:525:14
7:00
-0:51
23M
23.00 mi12:41:402:38:156:539:04
7:14
+0:14
24M
24.00 mi12:48:502:45:256:547:10
7:10
-0:04
40K
24.85 mi12:55:062:51:416:546:16
7:20
+0:10
25.2M
25.20 mi12:57:532:54:286:552:47
8:04
+0:44
Finish
26.22 mi13:05:163:01:516:567:23
7:15
-0:49

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

6:33 /mi

Average Pace

6:56 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:54

57% of race

Time at Steady Pace

57:19

32% of race

Time at Slower Pace

20:38

11% of race

Average Pace: 6:56 /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 mi10:24:0620:416:3920:41
6:39
#3298
10K
6.21 mi10:44:2641:016:3620:20
6:33
#3173
15K
9.32 mi11:05:081:01:436:3720:42
6:40
#3358
20K
12.43 mi11:26:061:22:416:3920:58
6:45
#3477
Half
13.11 mi11:30:441:27:196:404:38
6:47
#3541
25K
15.53 mi11:47:191:43:546:4116:35
6:50
#3669
30K
18.64 mi12:09:312:06:066:4622:12
7:09
#3986
20M
20.00 mi12:19:312:16:066:4810:00
7:22
#4205
21M
21.00 mi12:27:222:23:576:517:51
7:51
#4359
35K
21.75 mi12:32:362:29:116:525:14
7:00
#4397
23M
23.00 mi12:41:402:38:156:539:04
7:14
#4455
24M
24.00 mi12:48:502:45:256:547:10
7:10
#4504
40K
24.85 mi12:55:062:51:416:546:16
7:20
#4518
25.2M
25.20 mi12:57:532:54:286:552:47
8:04
#4551
Finish
26.22 mi13:05:163:01:516:567:23
7:15
#4590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3298311631163790(Top 14%)3569(Top 24%)3569(Top 68%)
10K6.21 mi3.10 mi3173+1253011+1053011+1053093(Top 12%)2951(Top 19%)2951(Top 56%)
15K9.32 mi3.11 mi3358-1853186-1753186-1753790(Top 14%)3569(Top 24%)3569(Top 68%)
20K12.43 mi3.11 mi3477-1193295-1093295-1093967(Top 15%)3733(Top 25%)3733(Top 71%)
Half13.11 mi0.68 mi3541-643354-593354-595155(Top 19%)4765(Top 31%)4765(Top 90%)
25K15.53 mi2.42 mi3669-1283468-1143468-1144502(Top 17%)4194(Top 28%)4194(Top 79%)
30K18.64 mi3.11 mi3986-3173753-2853753-2855168(Top 19%)4733(Top 31%)4733(Top 90%)
20M20.00 mi1.36 mi4205-2193945-1923945-1925939(Top 22%)5239(Top 35%)5239(Top 99%)
21M21.00 mi1.00 mi4359-1544073-1284073-1286400(Top 24%)5472(Top 36%)5472(Top 104%)
35K21.75 mi0.75 mi4397-384103-304103-305278(Top 20%)4706(Top 31%)4706(Top 89%)
23M23.00 mi1.25 mi4455-584155-524155-524983(Top 19%)4453(Top 29%)4453(Top 84%)
24M24.00 mi1.00 mi4504-494200-454200-455530(Top 21%)4792(Top 32%)4792(Top 91%)
40K24.85 mi0.85 mi4518-144208-84208-85605(Top 21%)4752(Top 31%)4752(Top 90%)
25.2M25.20 mi0.35 mi4551-334234-264234-266808(Top 26%)5440(Top 36%)5440(Top 103%)
Finish26.22 mi1.02 mi4590-394260-264260-266689(Top 25%)5362(Top 35%)5362(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3790

Males

3569

M18-39

3569

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3093

Males

2951

M18-39

2951

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3790

Males

3569

M18-39

3569

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3967

Males

3733

M18-39

3733

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5155

Males

4765

M18-39

4765

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4502

Males

4194

M18-39

4194

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5168

Males

4733

M18-39

4733

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5939

Males

5239

M18-39

5239

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6400

Males

5472

M18-39

5472

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5278

Males

4706

M18-39

4706

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4983

Males

4453

M18-39

4453

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5530

Males

4792

M18-39

4792

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5605

Males

4752

M18-39

4752

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6808

Males

5440

M18-39

5440

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6689

Males

5362

M18-39

5362

Passing Analysis

Category:
Athletes Passed
646
Passed By
1938
Net Change
-1292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3298
5K → 10K22398+125#3298#3173
10K → 15K41226-185#3173#3358
15K → 20K42161-119#3358#3477
20K → Half367-64#3477#3541
Half → 25K53181-128#3541#3669
25K → 30K38355-317#3669#3986
30K → 20M14233-219#3986#4205
20M → 21M31185-154#4205#4359
21M → 35K3068-38#4359#4397
35K → 23M62120-58#4397#4455
23M → 24M2776-49#4455#4504
24M → 40K4155-14#4504#4518
40K → 25.2M942-33#4518#4551
25.2M → Finish3271-39#4551#4590
TOTALS6461938-1292
📊

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