Boston Marathon logo
BOSTON MARATHON 2023

Albert Diaz

Bib: 5592•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4058
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:21
Rank: #3567 (+491)
5K → 10K
20:24 | 6:34/mi
15K· 9.32 mi
1:01:45
Rank: #3389 (+178)
10K → 15K
20:24 | 6:34/mi
20K· 12.43 mi
1:22:29
Rank: #3352 (+37)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:27:00
Rank: #3365 (-13)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:16
Rank: #3342 (+23)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:04:49
Rank: #3402 (-60)
25K → 30K
21:33 | 6:56/mi
20M
2:14:27
Rank: #3478 (-76)
30K → 20M
9:38 | 7:05/mi
21M
2:21:52
Rank: #3501 (-23)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:27:03
Rank: #3544 (-43)
21M → 35K
5:11 | 6:56/mi
23M
2:35:51
Rank: #3536 (+8)
35K → 23M
8:48 | 7:02/mi
24M
2:42:48
Rank: #3579 (-43)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:48:34
Rank: #3500 (+79)
24M → 40K
5:46 | 6:45/mi
25.2M
2:51:04
Rank: #3469 (+31)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:57:47
Rank: #3426 (+43)
25.2M → Finish
6:43 | 6:35/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
Time1:27:00
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:47
Pace6:56 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0720:576:4520:57
6:45
-
10K
6.21 mi10:44:3141:216:3920:24
6:34
-0:11
15K
9.32 mi11:04:551:01:456:3820:24
6:34
0:00
20K
12.43 mi11:25:391:22:296:3820:44
6:40
+0:06
Half
13.11 mi11:30:101:27:006:384:31
6:37
-0:03
25K
15.53 mi11:46:261:43:166:3916:16
6:43
+0:06
30K
18.64 mi12:07:592:04:496:4221:33
6:56
+0:13
20M
20.00 mi12:17:372:14:276:439:38
7:05
+0:09
21M
21.00 mi12:25:022:21:526:457:25
7:25
+0:20
35K
21.75 mi12:30:132:27:036:465:11
6:56
-0:29
23M
23.00 mi12:39:012:35:516:478:48
7:02
+0:06
24M
24.00 mi12:45:582:42:486:476:57
6:57
-0:05
40K
24.85 mi12:51:442:48:346:475:46
6:45
-0:12
25.2M
25.20 mi12:54:142:51:046:472:30
7:15
+0:30
Finish
26.22 mi13:00:572:57:476:476:43
6:35
-0:40

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

6:34 /mi

Average Pace

6:47 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:52

94% of race

Time at Steady Pace

9:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:24:0720:576:4520:57
6:45
#4058
10K
6.21 mi10:44:3141:216:3920:24
6:34
#3567
15K
9.32 mi11:04:551:01:456:3820:24
6:34
#3389
20K
12.43 mi11:25:391:22:296:3820:44
6:40
#3352
Half
13.11 mi11:30:101:27:006:384:31
6:37
#3365
25K
15.53 mi11:46:261:43:166:3916:16
6:43
#3342
30K
18.64 mi12:07:592:04:496:4221:33
6:56
#3402
20M
20.00 mi12:17:372:14:276:439:38
7:05
#3478
21M
21.00 mi12:25:022:21:526:457:25
7:25
#3501
35K
21.75 mi12:30:132:27:036:465:11
6:56
#3544
23M
23.00 mi12:39:012:35:516:478:48
7:02
#3536
24M
24.00 mi12:45:582:42:486:476:57
6:57
#3579
40K
24.85 mi12:51:442:48:346:475:46
6:45
#3500
25.2M
25.20 mi12:54:142:51:046:472:30
7:15
#3469
Finish
26.22 mi13:00:572:57:476:476:43
6:35
#3426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4058380538053038(Top 11%)2897(Top 19%)2897(Top 55%)
10K6.21 mi3.10 mi3567+4913368+4373368+4373242(Top 12%)3088(Top 20%)3088(Top 58%)
15K9.32 mi3.11 mi3389+1783211+1573211+1573038(Top 11%)2897(Top 19%)2897(Top 55%)
20K12.43 mi3.11 mi3352+373182+293182+293362(Top 13%)3190(Top 21%)3190(Top 60%)
Half13.11 mi0.68 mi3365-133197-153197-153577(Top 13%)3385(Top 22%)3385(Top 64%)
25K15.53 mi2.42 mi3342+233176+213176+213420(Top 13%)3241(Top 21%)3241(Top 61%)
30K18.64 mi3.11 mi3402-603222-463222-463898(Top 15%)3647(Top 24%)3647(Top 69%)
20M20.00 mi1.36 mi3478-763289-673289-674521(Top 17%)4146(Top 27%)4146(Top 78%)
21M21.00 mi1.00 mi3501-233316-273316-274175(Top 16%)3827(Top 25%)3827(Top 72%)
35K21.75 mi0.75 mi3544-433356-403356-404887(Top 18%)4393(Top 29%)4393(Top 83%)
23M23.00 mi1.25 mi3536+83340+163340+163913(Top 15%)3602(Top 24%)3602(Top 68%)
24M24.00 mi1.00 mi3579-433380-403380-404396(Top 17%)3971(Top 26%)3971(Top 75%)
40K24.85 mi0.85 mi3500+793306+743306+742564(Top 10%)2378(Top 16%)2378(Top 45%)
25.2M25.20 mi0.35 mi3469+313277+293277+292724(Top 10%)2510(Top 17%)2510(Top 47%)
Finish26.22 mi1.02 mi3426+433229+483229+482939(Top 11%)2664(Top 18%)2664(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3038

Males

2897

M18-39

2897

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3242

Males

3088

M18-39

3088

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3038

Males

2897

M18-39

2897

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3362

Males

3190

M18-39

3190

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3577

Males

3385

M18-39

3385

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3420

Males

3241

M18-39

3241

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3898

Males

3647

M18-39

3647

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4521

Males

4146

M18-39

4146

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4175

Males

3827

M18-39

3827

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4887

Males

4393

M18-39

4393

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3913

Males

3602

M18-39

3602

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4396

Males

3971

M18-39

3971

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2564

Males

2378

M18-39

2378

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2724

Males

2510

M18-39

2510

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2939

Males

2664

M18-39

2664

Passing Analysis

Category:
Athletes Passed
1401
Passed By
769
Net Change
+632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4058
5K → 10K54352+491#4058#3567
10K → 15K20931+178#3567#3389
15K → 20K9861+37#3389#3352
20K → Half1023-13#3352#3365
Half → 25K8663+23#3365#3342
25K → 30K66126-60#3342#3402
30K → 20M39115-76#3402#3478
20M → 21M4669-23#3478#3501
21M → 35K2467-43#3501#3544
35K → 23M6557+8#3544#3536
23M → 24M2871-43#3536#3579
24M → 40K845+79#3579#3500
40K → 25.2M343+31#3500#3469
25.2M → Finish6926+43#3469#3426
TOTALS1401769+632
📊

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