Boston Marathon logo
BOSTON MARATHON 2023

Matt Keohan

Bib: 25548•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
30:11
Rank: #22696
Start → 5K
30:11 | 9:43/mi
10K· 6.21 mi
58:05
Rank: #21876 (+820)
5K → 10K
27:54 | 8:59/mi
15K· 9.32 mi
1:26:26
Rank: #21611 (+265)
10K → 15K
28:21 | 9:07/mi
20K· 12.43 mi
1:55:09
Rank: #21405 (+206)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
2:01:18
Rank: #21357 (+48)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:23:12
Rank: #21001 (+356)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:52:48
Rank: #20708 (+293)
25K → 30K
29:36 | 9:32/mi
20M
3:06:17
Rank: #20650 (+58)
30K → 20M
13:29 | 9:55/mi
21M
3:16:29
Rank: #20528 (+122)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:23:54
Rank: #20545 (-17)
21M → 35K
7:25 | 9:55/mi
23M
3:36:48
Rank: #20550 (-5)
35K → 23M
12:54 | 10:18/mi
24M
3:47:05
Rank: #20598 (-48)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
3:56:33
Rank: #20692 (-94)
24M → 40K
9:28 | 11:04/mi
25.2M
4:00:37
Rank: #20718 (-26)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:10:37
Rank: #20722 (-4)
25.2M → Finish
10:00 | 9:49/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
Time2:01:18
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:09:19
Pace9:52 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1230:119:4330:11
9:43
-
10K
6.21 mi12:19:0658:059:2127:54
8:59
-0:44
15K
9.32 mi12:47:271:26:269:1628:21
9:07
+0:08
20K
12.43 mi13:16:101:55:099:1628:43
9:15
+0:08
Half
13.11 mi13:22:192:01:189:156:09
9:01
-0:14
25K
15.53 mi13:44:132:23:129:1321:54
9:02
+0:01
30K
18.64 mi14:13:492:52:489:1629:36
9:32
+0:30
20M
20.00 mi14:27:183:06:179:1913:29
9:55
+0:23
21M
21.00 mi14:37:303:16:299:2110:12
10:12
+0:17
35K
21.75 mi14:44:553:23:549:237:25
9:55
-0:17
23M
23.00 mi14:57:493:36:489:2612:54
10:18
+0:23
24M
24.00 mi15:08:063:47:059:2810:17
10:17
-0:01
40K
24.85 mi15:17:343:56:339:319:28
11:04
+0:47
25.2M
25.20 mi15:21:384:00:379:334:04
11:48
+0:44
Finish
26.22 mi15:31:384:10:379:3410:00
9:49
-1:59

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

8:59 /mi

Average Pace

9:34 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:01

45% of race

Time at Steady Pace

1:40:53

40% of race

Time at Slower Pace

36:43

15% of race

Average Pace: 9:33 /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 mi11:51:1230:119:4330:11
9:43
#22696
10K
6.21 mi12:19:0658:059:2127:54
8:59
#21876
15K
9.32 mi12:47:271:26:269:1628:21
9:07
#21611
20K
12.43 mi13:16:101:55:099:1628:43
9:15
#21405
Half
13.11 mi13:22:192:01:189:156:09
9:01
#21357
25K
15.53 mi13:44:132:23:129:1321:54
9:02
#21001
30K
18.64 mi14:13:492:52:489:1629:36
9:32
#20708
20M
20.00 mi14:27:183:06:179:1913:29
9:55
#20650
21M
21.00 mi14:37:303:16:299:2110:12
10:12
#20528
35K
21.75 mi14:44:553:23:549:237:25
9:55
#20545
23M
23.00 mi14:57:493:36:489:2612:54
10:18
#20550
24M
24.00 mi15:08:063:47:059:2810:17
10:17
#20598
40K
24.85 mi15:17:343:56:339:319:28
11:04
#20692
25.2M
25.20 mi15:21:384:00:379:334:04
11:48
#20718
Finish
26.22 mi15:31:384:10:379:3410:00
9:49
#20722
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22696134421344221036(Top 79%)12763(Top 84%)12763(Top 241%)
10K6.21 mi3.10 mi21876+82013072+37013072+37020788(Top 78%)12622(Top 83%)12622(Top 239%)
15K9.32 mi3.11 mi21611+26512969+10312969+10321036(Top 79%)12763(Top 84%)12763(Top 241%)
20K12.43 mi3.11 mi21405+20612887+8212887+8220740(Top 78%)12637(Top 83%)12637(Top 239%)
Half13.11 mi0.68 mi21357+4812871+1612871+1620483(Top 77%)12508(Top 82%)12508(Top 237%)
25K15.53 mi2.42 mi21001+35612715+15612715+15619128(Top 72%)11908(Top 78%)11908(Top 225%)
30K18.64 mi3.11 mi20708+29312577+13812577+13819528(Top 73%)12018(Top 79%)12018(Top 227%)
20M20.00 mi1.36 mi20650+5812525+5212525+5220236(Top 76%)12217(Top 81%)12217(Top 231%)
21M21.00 mi1.00 mi20528+12212464+6112464+6118703(Top 70%)11522(Top 76%)11522(Top 218%)
35K21.75 mi0.75 mi20545-1712465-112465-121023(Top 79%)12496(Top 82%)12496(Top 236%)
23M23.00 mi1.25 mi20550-512452+1312452+1320826(Top 78%)12384(Top 82%)12384(Top 234%)
24M24.00 mi1.00 mi20598-4812454-212454-221516(Top 81%)12639(Top 83%)12639(Top 239%)
40K24.85 mi0.85 mi20692-9412488-3412488-3422487(Top 84%)13070(Top 86%)13070(Top 247%)
25.2M25.20 mi0.35 mi20718-2612493-512493-522108(Top 83%)12898(Top 85%)12898(Top 244%)
Finish26.22 mi1.02 mi20722-412490+312490+321187(Top 80%)12510(Top 82%)12510(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21036

Males

12763

M18-39

12763

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20788

Males

12622

M18-39

12622

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21036

Males

12763

M18-39

12763

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20740

Males

12637

M18-39

12637

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20483

Males

12508

M18-39

12508

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19128

Males

11908

M18-39

11908

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19528

Males

12018

M18-39

12018

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20236

Males

12217

M18-39

12217

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18703

Males

11522

M18-39

11522

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21023

Males

12496

M18-39

12496

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20826

Males

12384

M18-39

12384

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21516

Males

12639

M18-39

12639

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22487

Males

13070

M18-39

13070

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22108

Males

12898

M18-39

12898

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21187

Males

12510

M18-39

12510

Passing Analysis

Category:
Athletes Passed
2611
Passed By
637
Net Change
+1974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22696
5K → 10K84828+820#22696#21876
10K → 15K32863+265#21876#21611
15K → 20K25953+206#21611#21405
20K → Half535+48#21405#21357
Half → 25K3615+356#21357#21001
25K → 30K32532+293#21001#20708
30K → 20M9739+58#20708#20650
20M → 21M14119+122#20650#20528
21M → 35K4057-17#20528#20545
35K → 23M6469-5#20545#20550
23M → 24M3280-48#20550#20598
24M → 40K18112-94#20598#20692
40K → 25.2M1238-26#20692#20718
25.2M → Finish3337-4#20718#20722
TOTALS2611637+1974
📊

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