Boston Marathon logo
BOSTON MARATHON 2023

Angus Gray

Bib: 1077•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:58
Rank: #912
Start → 5K
18:58 | 6:06/mi
10K· 6.21 mi
37:47
Rank: #922 (-10)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:52
Rank: #965 (-43)
10K → 15K
19:05 | 6:09/mi
20K· 12.43 mi
1:18:13
Rank: #1493 (-528)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:22:31
Rank: #1512 (-19)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:38:02
Rank: #1541 (-29)
Half → 25K
15:31 | 6:24/mi
30K· 18.64 mi
1:58:30
Rank: #1577 (-36)
25K → 30K
20:28 | 6:35/mi
20M
2:07:33
Rank: #1592 (-15)
30K → 20M
9:03 | 6:40/mi
21M
2:14:19
Rank: #1556 (+36)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:19:22
Rank: #1606 (-50)
21M → 35K
5:03 | 6:46/mi
23M
2:27:53
Rank: #1640 (-34)
35K → 23M
8:31 | 6:48/mi
24M
2:34:39
Rank: #1682 (-42)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:40:26
Rank: #1687 (-5)
24M → 40K
5:47 | 6:46/mi
25.2M
2:42:57
Rank: #1692 (-5)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:49:46
Rank: #1740 (-48)
25.2M → Finish
6:49 | 6:41/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
Time1:22:31
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2518:586:0618:58
6:06
-
10K
6.21 mi10:38:1437:476:0518:49
6:03
-0:03
15K
9.32 mi10:57:1956:526:0619:05
6:09
+0:06
20K
12.43 mi11:18:401:18:136:1821:21
6:52
+0:43
Half
13.11 mi11:22:581:22:316:184:18
6:18
-0:34
25K
15.53 mi11:38:291:38:026:1915:31
6:24
+0:06
30K
18.64 mi11:58:571:58:306:2120:28
6:35
+0:11
20M
20.00 mi12:08:002:07:336:239:03
6:40
+0:05
21M
21.00 mi12:14:462:14:196:246:46
6:46
+0:06
35K
21.75 mi12:19:492:19:226:245:03
6:46
0:00
23M
23.00 mi12:28:202:27:536:268:31
6:48
+0:02
24M
24.00 mi12:35:062:34:396:276:46
6:46
-0:02
40K
24.85 mi12:40:532:40:266:275:47
6:46
0:00
25.2M
25.20 mi12:43:242:42:576:282:31
7:18
+0:32
Finish
26.22 mi12:50:132:49:466:296:49
6:41
-0:37

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

6:03 /mi

Average Pace

6:29 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:41

45% of race

Time at Steady Pace

1:09:13

41% of race

Time at Slower Pace

23:52

14% of race

Average Pace: 6:28 /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 mi10:19:2518:586:0618:58
6:06
#912
10K
6.21 mi10:38:1437:476:0518:49
6:03
#922
15K
9.32 mi10:57:1956:526:0619:05
6:09
#965
20K
12.43 mi11:18:401:18:136:1821:21
6:52
#1493
Half
13.11 mi11:22:581:22:316:184:18
6:18
#1512
25K
15.53 mi11:38:291:38:026:1915:31
6:24
#1541
30K
18.64 mi11:58:571:58:306:2120:28
6:35
#1577
20M
20.00 mi12:08:002:07:336:239:03
6:40
#1592
21M
21.00 mi12:14:462:14:196:246:46
6:46
#1556
35K
21.75 mi12:19:492:19:226:245:03
6:46
#1606
23M
23.00 mi12:28:202:27:536:268:31
6:48
#1640
24M
24.00 mi12:35:062:34:396:276:46
6:46
#1682
40K
24.85 mi12:40:532:40:266:275:47
6:46
#1687
25.2M
25.20 mi12:43:242:42:576:282:31
7:18
#1692
Finish
26.22 mi12:50:132:49:466:296:49
6:41
#1740
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9128588581082(Top 4%)1029(Top 7%)1029(Top 19%)
10K6.21 mi3.10 mi922-10871-13871-13961(Top 4%)912(Top 6%)912(Top 17%)
15K9.32 mi3.11 mi965-43914-43914-431082(Top 4%)1029(Top 7%)1029(Top 19%)
20K12.43 mi3.11 mi1493-5281426-5121426-5125094(Top 19%)4709(Top 31%)4709(Top 89%)
Half13.11 mi0.68 mi1512-191443-171443-171780(Top 7%)1709(Top 11%)1709(Top 32%)
25K15.53 mi2.42 mi1541-291473-301473-301716(Top 6%)1642(Top 11%)1642(Top 31%)
30K18.64 mi3.11 mi1577-361508-351508-351903(Top 7%)1821(Top 12%)1821(Top 34%)
20M20.00 mi1.36 mi1592-151521-131521-132096(Top 8%)1997(Top 13%)1997(Top 38%)
21M21.00 mi1.00 mi1556+361488+331488+331282(Top 5%)1223(Top 8%)1223(Top 23%)
35K21.75 mi0.75 mi1606-501535-471535-473946(Top 15%)3621(Top 24%)3621(Top 69%)
23M23.00 mi1.25 mi1640-341569-341569-342644(Top 10%)2477(Top 16%)2477(Top 47%)
24M24.00 mi1.00 mi1682-421609-401609-403428(Top 13%)3153(Top 21%)3153(Top 60%)
40K24.85 mi0.85 mi1687-51612-31612-32705(Top 10%)2491(Top 16%)2491(Top 47%)
25.2M25.20 mi0.35 mi1692-51617-51617-52857(Top 11%)2612(Top 17%)2612(Top 49%)
Finish26.22 mi1.02 mi1740-481662-451662-453417(Top 13%)3059(Top 20%)3059(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1082

Males

1029

M18-39

1029

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

961

Males

912

M18-39

912

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1082

Males

1029

M18-39

1029

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5094

Males

4709

M18-39

4709

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1780

Males

1709

M18-39

1709

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1716

Males

1642

M18-39

1642

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1903

Males

1821

M18-39

1821

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2096

Males

1997

M18-39

1997

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1282

Males

1223

M18-39

1223

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3946

Males

3621

M18-39

3621

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2644

Males

2477

M18-39

2477

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3428

Males

3153

M18-39

3153

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2705

Males

2491

M18-39

2491

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2857

Males

2612

M18-39

2612

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3417

Males

3059

M18-39

3059

Passing Analysis

Category:
Athletes Passed
276
Passed By
1104
Net Change
-828
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#912
5K → 10K4252-10#912#922
10K → 15K1558-43#922#965
15K → 20K0528-528#965#1493
20K → Half322-19#1493#1512
Half → 25K2857-29#1512#1541
25K → 30K4480-36#1541#1577
30K → 20M1934-15#1577#1592
20M → 21M4610+36#1592#1556
21M → 35K252-50#1556#1606
35K → 23M1650-34#1606#1640
23M → 24M1153-42#1640#1682
24M → 40K2833-5#1682#1687
40K → 25.2M1116-5#1687#1692
25.2M → Finish1159-48#1692#1740
TOTALS2761104-828
📊

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