Boston Marathon logo
BOSTON MARATHON 2023

Alex Davis

Bib: 1060•M

OK

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #705
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:03
Rank: #652 (+53)
5K → 10K
18:22 | 5:55/mi
15K· 9.32 mi
55:24
Rank: #608 (+44)
10K → 15K
18:21 | 5:54/mi
20K· 12.43 mi
1:14:01
Rank: #587 (+21)
15K → 20K
18:37 | 6:00/mi
Half· 13.11 mi
1:18:05
Rank: #588 (-1)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:32:43
Rank: #580 (+8)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:51:56
Rank: #583 (-3)
25K → 30K
19:13 | 6:11/mi
20M
2:00:23
Rank: #579 (+4)
30K → 20M
8:27 | 6:13/mi
21M
2:06:48
Rank: #573 (+6)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:11:18
Rank: #570 (+3)
21M → 35K
4:30 | 6:01/mi
23M
2:19:12
Rank: #574 (-4)
35K → 23M
7:54 | 6:19/mi
24M
2:25:21
Rank: #584 (-10)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:30:39
Rank: #578 (+6)
24M → 40K
5:18 | 6:12/mi
25.2M
2:32:53
Rank: #570 (+8)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:38:45
Rank: #550 (+20)
25.2M → Finish
5:52 | 5:45/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
Time1:18:05
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:20:40
Pace6:09 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5818:416:0118:41
6:01
-
10K
6.21 mi10:37:2037:035:5818:22
5:55
-0:06
15K
9.32 mi10:55:4155:245:5718:21
5:54
-0:01
20K
12.43 mi11:14:181:14:015:5718:37
6:00
+0:06
Half
13.11 mi11:18:221:18:055:574:04
5:58
-0:02
25K
15.53 mi11:33:001:32:435:5814:38
6:02
+0:04
30K
18.64 mi11:52:131:51:566:0019:13
6:11
+0:09
20M
20.00 mi12:00:402:00:236:018:27
6:13
+0:02
21M
21.00 mi12:07:052:06:486:026:25
6:25
+0:12
35K
21.75 mi12:11:352:11:186:024:30
6:01
-0:24
23M
23.00 mi12:19:292:19:126:037:54
6:19
+0:18
24M
24.00 mi12:25:382:25:216:036:09
6:09
-0:10
40K
24.85 mi12:30:562:30:396:045:18
6:12
+0:03
25.2M
25.20 mi12:33:102:32:536:042:14
6:29
+0:17
Finish
26.22 mi12:39:022:38:456:045:52
5:45
-0:44

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

5:45 /mi

Average Pace

6:04 /mi

Slowest Pace

6:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:06

95% of race

Time at Steady Pace

8:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:5818:416:0118:41
6:01
#705
10K
6.21 mi10:37:2037:035:5818:22
5:55
#652
15K
9.32 mi10:55:4155:245:5718:21
5:54
#608
20K
12.43 mi11:14:181:14:015:5718:37
6:00
#587
Half
13.11 mi11:18:221:18:055:574:04
5:58
#588
25K
15.53 mi11:33:001:32:435:5814:38
6:02
#580
30K
18.64 mi11:52:131:51:566:0019:13
6:11
#583
20M
20.00 mi12:00:402:00:236:018:27
6:13
#579
21M
21.00 mi12:07:052:06:486:026:25
6:25
#573
35K
21.75 mi12:11:352:11:186:024:30
6:01
#570
23M
23.00 mi12:19:292:19:126:037:54
6:19
#574
24M
24.00 mi12:25:382:25:216:036:09
6:09
#584
40K
24.85 mi12:30:562:30:396:045:18
6:12
#578
25.2M
25.20 mi12:33:102:32:536:042:14
6:29
#570
Finish
26.22 mi12:39:022:38:456:045:52
5:45
#550
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi705660660529(Top 2%)487(Top 3%)487(Top 9%)
10K6.21 mi3.10 mi652+53608+52608+52611(Top 2%)568(Top 4%)568(Top 11%)
15K9.32 mi3.11 mi608+44565+43565+43529(Top 2%)487(Top 3%)487(Top 9%)
20K12.43 mi3.11 mi587+21544+21544+21550(Top 2%)510(Top 3%)510(Top 10%)
Half13.11 mi0.68 mi588-1546-2546-2656(Top 2%)616(Top 4%)616(Top 12%)
25K15.53 mi2.42 mi580+8539+7539+7589(Top 2%)549(Top 4%)549(Top 10%)
30K18.64 mi3.11 mi583-3543-4543-4651(Top 2%)614(Top 4%)614(Top 12%)
20M20.00 mi1.36 mi579+4539+4539+4676(Top 3%)639(Top 4%)639(Top 12%)
21M21.00 mi1.00 mi573+6533+6533+6509(Top 2%)475(Top 3%)475(Top 9%)
35K21.75 mi0.75 mi570+3530+3530+3704(Top 3%)664(Top 4%)664(Top 13%)
23M23.00 mi1.25 mi574-4535-5535-5850(Top 3%)806(Top 5%)806(Top 15%)
24M24.00 mi1.00 mi584-10544-9544-9862(Top 3%)817(Top 5%)817(Top 15%)
40K24.85 mi0.85 mi578+6539+5539+5649(Top 2%)613(Top 4%)613(Top 12%)
25.2M25.20 mi0.35 mi570+8531+8531+8461(Top 2%)435(Top 3%)435(Top 8%)
Finish26.22 mi1.02 mi550+20512+19512+19304(Top 1%)286(Top 2%)286(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

529

Males

487

M18-39

487

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

611

Males

568

M18-39

568

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

529

Males

487

M18-39

487

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

550

Males

510

M18-39

510

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

656

Males

616

M18-39

616

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

589

Males

549

M18-39

549

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

651

Males

614

M18-39

614

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

676

Males

639

M18-39

639

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

509

Males

475

M18-39

475

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

704

Males

664

M18-39

664

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

850

Males

806

M18-39

806

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

862

Males

817

M18-39

817

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

649

Males

613

M18-39

613

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

461

Males

435

M18-39

435

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

304

Males

286

M18-39

286

Passing Analysis

Category:
Athletes Passed
268
Passed By
113
Net Change
+155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#705
5K → 10K629+53#705#652
10K → 15K462+44#652#608
15K → 20K309+21#608#587
20K → Half56-1#587#588
Half → 25K2012+8#588#580
25K → 30K1417-3#580#583
30K → 20M1410+4#583#579
20M → 21M115+6#579#573
21M → 35K63+3#573#570
35K → 23M913-4#570#574
23M → 24M818-10#574#584
24M → 40K148+6#584#578
40K → 25.2M80+8#578#570
25.2M → Finish211+20#570#550
TOTALS268113+155
📊

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