Boston Marathon logo
BOSTON MARATHON 2023

Aj Spagnuolo

Bib: 26873•M

MA

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
35:05
Rank: #26015
Start → 5K
35:05 | 11:18/mi
10K· 6.21 mi
1:12:28
Rank: #26206 (-191)
5K → 10K
37:23 | 12:02/mi
15K· 9.32 mi
1:48:57
Rank: #26107 (+99)
10K → 15K
36:29 | 11:45/mi
20K· 12.43 mi
2:27:51
Rank: #26088 (+19)
15K → 20K
38:54 | 12:31/mi
Half· 13.11 mi
2:35:51
Rank: #26075 (+13)
20K → Half
8:00 | 11:44/mi
25K· 15.53 mi
3:08:03
Rank: #26090 (-15)
Half → 25K
32:12 | 13:17/mi
30K· 18.64 mi
3:50:39
Rank: #26063 (+27)
25K → 30K
42:36 | 13:43/mi
20M
4:07:45
Rank: #25991 (+72)
30K → 20M
17:06 | 12:35/mi
21M
4:22:17
Rank: #25972 (+19)
20M → 21M
14:32 | 14:32/mi
35K· 21.75 mi
4:32:43
Rank: #25978 (-6)
21M → 35K
10:26 | 13:57/mi
23M
4:50:05
Rank: #25978
35K → 23M
17:22 | 13:52/mi
24M
5:02:29
Rank: #25954 (+24)
23M → 24M
12:24 | 12:24/mi
40K· 24.85 mi
5:13:45
Rank: #25936 (+18)
24M → 40K
11:16 | 13:11/mi
25.2M
5:18:46
Rank: #25934 (+2)
40K → 25.2M
5:01 | 14:33/mi
Finish· 26.22 mi
5:29:49
Rank: #25886 (+48)
25.2M → Finish
11:03 | 10:51/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
Time2:35:51
Pace11:53 /mi
2nd Half
Distance13.11 mi
Time2:53:58
Pace13:16 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3035:0511:1835:05
11:18
-
10K
6.21 mi12:28:531:12:2811:4037:23
12:02
+0:44
15K
9.32 mi13:05:221:48:5711:4136:29
11:45
-0:17
20K
12.43 mi13:44:162:27:5111:5438:54
12:31
+0:46
Half
13.11 mi13:52:162:35:5111:538:00
11:44
-0:47
25K
15.53 mi14:24:283:08:0312:0632:12
13:17
+1:33
30K
18.64 mi15:07:043:50:3912:2242:36
13:43
+0:26
20M
20.00 mi15:24:104:07:4512:2317:06
12:35
-1:08
21M
21.00 mi15:38:424:22:1712:2914:32
14:32
+1:57
35K
21.75 mi15:49:084:32:4312:3210:26
13:57
-0:35
23M
23.00 mi16:06:304:50:0512:3717:22
13:52
-0:05
24M
24.00 mi16:18:545:02:2912:3612:24
12:24
-1:28
40K
24.85 mi16:30:105:13:4512:3711:16
13:11
+0:47
25.2M
25.20 mi16:35:115:18:4612:395:01
14:33
+1:22
Finish
26.22 mi16:46:145:29:4912:3511:03
10:51
-3:42

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

10:51 /mi

Average Pace

12:35 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:37

27% of race

Time at Steady Pace

1:45:47

32% of race

Time at Slower Pace

2:13:25

40% of race

Average Pace: 12:35 /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 mi11:51:3035:0511:1835:05
11:18
#26015
10K
6.21 mi12:28:531:12:2811:4037:23
12:02
#26206
15K
9.32 mi13:05:221:48:5711:4136:29
11:45
#26107
20K
12.43 mi13:44:162:27:5111:5438:54
12:31
#26088
Half
13.11 mi13:52:162:35:5111:538:00
11:44
#26075
25K
15.53 mi14:24:283:08:0312:0632:12
13:17
#26090
30K
18.64 mi15:07:043:50:3912:2242:36
13:43
#26063
20M
20.00 mi15:24:104:07:4512:2317:06
12:35
#25991
21M
21.00 mi15:38:424:22:1712:2914:32
14:32
#25972
35K
21.75 mi15:49:084:32:4312:3210:26
13:57
#25978
23M
23.00 mi16:06:304:50:0512:3717:22
13:52
#25978
24M
24.00 mi16:18:545:02:2912:3612:24
12:24
#25954
40K
24.85 mi16:30:105:13:4512:3711:16
13:11
#25936
25.2M
25.20 mi16:35:115:18:4612:395:01
14:33
#25934
Finish
26.22 mi16:46:145:29:4912:3511:03
10:51
#25886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26015149371493725897(Top 97%)14892(Top 98%)14892(Top 282%)
10K6.21 mi3.10 mi26206-19115013-7615013-7626293(Top 99%)15042(Top 99%)15042(Top 285%)
15K9.32 mi3.11 mi26107+9914980+3314980+3325897(Top 97%)14892(Top 98%)14892(Top 282%)
20K12.43 mi3.11 mi26088+1914969+1114969+1125980(Top 98%)14913(Top 98%)14913(Top 282%)
Half13.11 mi0.68 mi26075+1314961+814961+825671(Top 96%)14763(Top 97%)14763(Top 279%)
25K15.53 mi2.42 mi26090-1514971-1014971-1026013(Top 98%)14905(Top 98%)14905(Top 282%)
30K18.64 mi3.11 mi26063+2714947+2414947+2425869(Top 97%)14813(Top 98%)14813(Top 280%)
20M20.00 mi1.36 mi25991+7214919+2814919+2824817(Top 93%)14286(Top 94%)14286(Top 270%)
21M21.00 mi1.00 mi25972+1914909+1014909+1025448(Top 96%)14595(Top 96%)14595(Top 276%)
35K21.75 mi0.75 mi25978-614907+214907+226108(Top 98%)14899(Top 98%)14899(Top 282%)
23M23.00 mi1.25 mi2597814905+214905+225746(Top 97%)14702(Top 97%)14702(Top 278%)
24M24.00 mi1.00 mi25954+2414892+1314892+1324946(Top 94%)14277(Top 94%)14277(Top 270%)
40K24.85 mi0.85 mi25936+1814883+914883+925082(Top 94%)14343(Top 95%)14343(Top 271%)
25.2M25.20 mi0.35 mi25934+214882+114882+125426(Top 96%)14513(Top 96%)14513(Top 275%)
Finish26.22 mi1.02 mi25886+4814859+2314859+2323689(Top 89%)13667(Top 90%)13667(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25897

Males

14892

M18-39

14892

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26293

Males

15042

M18-39

15042

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25897

Males

14892

M18-39

14892

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

25980

Males

14913

M18-39

14913

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25671

Males

14763

M18-39

14763

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26013

Males

14905

M18-39

14905

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25869

Males

14813

M18-39

14813

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24817

Males

14286

M18-39

14286

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25448

Males

14595

M18-39

14595

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26108

Males

14899

M18-39

14899

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25746

Males

14702

M18-39

14702

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

24946

Males

14277

M18-39

14277

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25082

Males

14343

M18-39

14343

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25426

Males

14513

M18-39

14513

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23689

Males

13667

M18-39

13667

Passing Analysis

Category:
Athletes Passed
532
Passed By
403
Net Change
+129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26015
5K → 10K21212-191#26015#26206
10K → 15K11920+99#26206#26107
15K → 20K6142+19#26107#26088
20K → Half163+13#26088#26075
Half → 25K3045-15#26075#26090
25K → 30K5730+27#26090#26063
30K → 20M742+72#26063#25991
20M → 21M245+19#25991#25972
21M → 35K1117-6#25972#25978
35K → 23M13130#25978#25978
23M → 24M284+24#25978#25954
24M → 40K235+18#25954#25936
40K → 25.2M75+2#25936#25934
25.2M → Finish480+48#25934#25886
TOTALS532403+129
📊

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