Boston Marathon logo
BOSTON MARATHON 2023

Aaron Davis

Bib: 3002•M

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 42%
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
19:38
Rank: #1515
Start → 5K
19:38 | 6:19/mi
10K· 6.21 mi
39:08
Rank: #1563 (-48)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:32
Rank: #1496 (+67)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:26
Rank: #1573 (-77)
15K → 20K
19:54 | 6:24/mi
Half· 13.11 mi
1:22:52
Rank: #1627 (-54)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:39:37
Rank: #1945 (-318)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:02:58
Rank: #2729 (-784)
25K → 30K
23:21 | 7:31/mi
20M
2:13:50
Rank: #3223 (-494)
30K → 20M
10:52 | 8:00/mi
21M
2:24:02
Rank: #4399 (-1176)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
2:33:35
Rank: #5760 (-1361)
21M → 35K
9:33 | 12:46/mi
23M
2:45:59
Rank: #6516 (-756)
35K → 23M
12:24 | 9:54/mi
24M
3:01:53
Rank: #9010 (-2494)
23M → 24M
15:54 | 15:54/mi
40K· 24.85 mi
3:14:05
Rank: #10696 (-1686)
24M → 40K
12:12 | 14:16/mi
25.2M
3:18:10
Rank: #11036 (-340)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
3:26:25
Rank: #11102 (-66)
25.2M → Finish
8:15 | 8:06/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
Time1:22:52
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time2:03:33
Pace9:25 /mi
📊Positive Split: 49.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0119:386:1919:38
6:19
-
10K
6.21 mi10:40:3139:086:1819:30
6:17
-0:02
15K
9.32 mi10:59:5558:326:1719:24
6:15
-0:02
20K
12.43 mi11:19:491:18:266:1919:54
6:24
+0:09
Half
13.11 mi11:24:151:22:526:194:26
6:30
+0:06
25K
15.53 mi11:41:001:39:376:2516:45
6:55
+0:25
30K
18.64 mi12:04:212:02:586:3623:21
7:31
+0:36
20M
20.00 mi12:15:132:13:506:4110:52
8:00
+0:29
21M
21.00 mi12:25:252:24:026:5210:12
10:12
+2:12
35K
21.75 mi12:34:582:33:357:049:33
12:46
+2:34
23M
23.00 mi12:47:222:45:597:1312:24
9:54
-2:52
24M
24.00 mi13:03:163:01:537:3515:54
15:54
+6:00
40K
24.85 mi13:15:283:14:057:4912:12
14:16
-1:38
25.2M
25.20 mi13:19:333:18:107:524:05
11:50
-2:26
Finish
26.22 mi13:27:483:26:257:538:15
8:06
-3:44

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

6:15 /mi

Average Pace

7:53 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:26

38% of race

Time at Steady Pace

1:03:39

31% of race

Time at Slower Pace

1:04:20

31% of race

Average Pace: 7:52 /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 mi10:21:0119:386:1919:38
6:19
#1515
10K
6.21 mi10:40:3139:086:1819:30
6:17
#1563
15K
9.32 mi10:59:5558:326:1719:24
6:15
#1496
20K
12.43 mi11:19:491:18:266:1919:54
6:24
#1573
Half
13.11 mi11:24:151:22:526:194:26
6:30
#1627
25K
15.53 mi11:41:001:39:376:2516:45
6:55
#1945
30K
18.64 mi12:04:212:02:586:3623:21
7:31
#2729
20M
20.00 mi12:15:132:13:506:4110:52
8:00
#3223
21M
21.00 mi12:25:252:24:026:5210:12
10:12
#4399
35K
21.75 mi12:34:582:33:357:049:33
12:46
#5760
23M
23.00 mi12:47:222:45:597:1312:24
9:54
#6516
24M
24.00 mi13:03:163:01:537:3515:54
15:54
#9010
40K
24.85 mi13:15:283:14:057:4912:12
14:16
#10696
25.2M
25.20 mi13:19:333:18:107:524:05
11:50
#11036
Finish
26.22 mi13:27:483:26:257:538:15
8:06
#11102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1515144214421418(Top 5%)1351(Top 9%)1351(Top 26%)
10K6.21 mi3.10 mi1563-481491-491491-491680(Top 6%)1606(Top 11%)1606(Top 30%)
15K9.32 mi3.11 mi1496+671426+651426+651418(Top 5%)1351(Top 9%)1351(Top 26%)
20K12.43 mi3.11 mi1573-771503-771503-771827(Top 7%)1750(Top 12%)1750(Top 33%)
Half13.11 mi0.68 mi1627-541556-531556-532850(Top 11%)2734(Top 18%)2734(Top 52%)
25K15.53 mi2.42 mi1945-3181863-3071863-3075027(Top 19%)4652(Top 31%)4652(Top 88%)
30K18.64 mi3.11 mi2729-7842608-7452608-7457332(Top 28%)6280(Top 41%)6280(Top 119%)
20M20.00 mi1.36 mi3223-4943062-4543062-45410226(Top 38%)7879(Top 52%)7879(Top 149%)
21M21.00 mi1.00 mi4399-11764109-10474109-104718685(Top 70%)11504(Top 76%)11504(Top 218%)
35K21.75 mi0.75 mi5760-13615256-11475256-114725381(Top 95%)14504(Top 96%)14504(Top 274%)
23M23.00 mi1.25 mi6516-7565805-5495805-54919687(Top 74%)11872(Top 78%)11872(Top 225%)
24M24.00 mi1.00 mi9010-24947399-15947399-159426515(Top 100%)15110(Top 100%)15110(Top 286%)
40K24.85 mi0.85 mi10696-16868282-8838282-88325827(Top 97%)14714(Top 97%)14714(Top 278%)
25.2M25.20 mi0.35 mi11036-3408436-1548436-15422184(Top 83%)12925(Top 85%)12925(Top 245%)
Finish26.22 mi1.02 mi11102-668447-118447-1112714(Top 48%)8629(Top 57%)8629(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1418

Males

1351

M18-39

1351

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1680

Males

1606

M18-39

1606

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1418

Males

1351

M18-39

1351

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1827

Males

1750

M18-39

1750

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2850

Males

2734

M18-39

2734

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5027

Males

4652

M18-39

4652

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7332

Males

6280

M18-39

6280

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10226

Males

7879

M18-39

7879

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18685

Males

11504

M18-39

11504

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25381

Males

14504

M18-39

14504

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19687

Males

11872

M18-39

11872

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26515

Males

15110

M18-39

15110

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25827

Males

14714

M18-39

14714

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22184

Males

12925

M18-39

12925

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12714

Males

8629

M18-39

8629

Passing Analysis

Category:
Athletes Passed
243
Passed By
9828
Net Change
-9587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1515
5K → 10K60108-48#1515#1563
10K → 15K9124+67#1563#1496
15K → 20K23100-77#1496#1573
20K → Half155-54#1573#1627
Half → 25K2320-318#1627#1945
25K → 30K2786-784#1945#2729
30K → 20M2496-494#2729#3223
20M → 21M11177-1176#3223#4399
21M → 35K01361-1361#4399#5760
35K → 23M6762-756#5760#6516
23M → 24M02494-2494#6516#9010
24M → 40K01684-1686#9010#10696
40K → 25.2M3343-340#10696#11036
25.2M → Finish52118-66#11036#11102
TOTALS2439828-9587
📊

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