Boston Marathon logo
BOSTON MARATHON 2023

Milo Knowles

Bib: 1797•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1025
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
38:04
Rank: #1027 (-2)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
56:59
Rank: #997 (+30)
10K → 15K
18:55 | 6:05/mi
20K· 12.43 mi
1:16:01
Rank: #953 (+44)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:20:10
Rank: #954 (-1)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:13
Rank: #950 (+4)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:55:14
Rank: #968 (-18)
25K → 30K
20:01 | 6:27/mi
20M
2:04:05
Rank: #989 (-21)
30K → 20M
8:51 | 6:31/mi
21M
2:10:57
Rank: #996 (-7)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:15:48
Rank: #1023 (-27)
21M → 35K
4:51 | 6:29/mi
23M
2:24:11
Rank: #1062 (-39)
35K → 23M
8:23 | 6:42/mi
24M
2:30:42
Rank: #1089 (-27)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:36:27
Rank: #1109 (-20)
24M → 40K
5:45 | 6:44/mi
25.2M
2:38:52
Rank: #1111 (-2)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:45:08
Rank: #1097 (+14)
25.2M → Finish
6:16 | 6:09/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
Time1:20:10
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:24:58
Pace6:29 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3419:076:0919:07
6:09
-
10K
6.21 mi10:38:3138:046:0818:57
6:06
-0:03
15K
9.32 mi10:57:2656:596:0718:55
6:05
-0:01
20K
12.43 mi11:16:281:16:016:0719:02
6:08
+0:03
Half
13.11 mi11:20:371:20:106:074:09
6:05
-0:03
25K
15.53 mi11:35:401:35:136:0815:03
6:12
+0:07
30K
18.64 mi11:55:411:55:146:1120:01
6:27
+0:15
20M
20.00 mi12:04:322:04:056:128:51
6:31
+0:04
21M
21.00 mi12:11:242:10:576:146:52
6:52
+0:21
35K
21.75 mi12:16:152:15:486:154:51
6:29
-0:23
23M
23.00 mi12:24:382:24:116:168:23
6:42
+0:13
24M
24.00 mi12:31:092:30:426:176:31
6:31
-0:11
40K
24.85 mi12:36:542:36:276:185:45
6:44
+0:13
25.2M
25.20 mi12:39:192:38:526:182:25
7:00
+0:16
Finish
26.22 mi12:45:352:45:086:186:16
6:09
-0:51

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

6:05 /mi

Average Pace

6:18 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:43

86% of race

Time at Steady Pace

23:25

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:19:3419:076:0919:07
6:09
#1025
10K
6.21 mi10:38:3138:046:0818:57
6:06
#1027
15K
9.32 mi10:57:2656:596:0718:55
6:05
#997
20K
12.43 mi11:16:281:16:016:0719:02
6:08
#953
Half
13.11 mi11:20:371:20:106:074:09
6:05
#954
25K
15.53 mi11:35:401:35:136:0815:03
6:12
#950
30K
18.64 mi11:55:411:55:146:1120:01
6:27
#968
20M
20.00 mi12:04:322:04:056:128:51
6:31
#989
21M
21.00 mi12:11:242:10:576:146:52
6:52
#996
35K
21.75 mi12:16:152:15:486:154:51
6:29
#1023
23M
23.00 mi12:24:382:24:116:168:23
6:42
#1062
24M
24.00 mi12:31:092:30:426:176:31
6:31
#1089
40K
24.85 mi12:36:542:36:276:185:45
6:44
#1109
25.2M
25.20 mi12:39:192:38:526:182:25
7:00
#1111
Finish
26.22 mi12:45:352:45:086:186:16
6:09
#1097
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1025969969938(Top 4%)889(Top 6%)889(Top 17%)
10K6.21 mi3.10 mi1027-2971-2971-21054(Top 4%)1001(Top 7%)1001(Top 19%)
15K9.32 mi3.11 mi997+30945+26945+26938(Top 4%)889(Top 6%)889(Top 17%)
20K12.43 mi3.11 mi953+44904+41904+41850(Top 3%)806(Top 5%)806(Top 15%)
Half13.11 mi0.68 mi954-1904904973(Top 4%)927(Top 6%)927(Top 18%)
25K15.53 mi2.42 mi950+4902+2902+21021(Top 4%)972(Top 6%)972(Top 18%)
30K18.64 mi3.11 mi968-18919-17919-171343(Top 5%)1285(Top 8%)1285(Top 24%)
20M20.00 mi1.36 mi989-21939-20939-201474(Top 6%)1403(Top 9%)1403(Top 27%)
21M21.00 mi1.00 mi996-7946-7946-71624(Top 6%)1545(Top 10%)1545(Top 29%)
35K21.75 mi0.75 mi1023-27973-27973-272290(Top 9%)2170(Top 14%)2170(Top 41%)
23M23.00 mi1.25 mi1062-391010-371010-372143(Top 8%)2023(Top 13%)2023(Top 38%)
24M24.00 mi1.00 mi1089-271037-271037-272138(Top 8%)2004(Top 13%)2004(Top 38%)
40K24.85 mi0.85 mi1109-201057-201057-202428(Top 9%)2248(Top 15%)2248(Top 43%)
25.2M25.20 mi0.35 mi1111-21059-21059-21723(Top 6%)1616(Top 11%)1616(Top 31%)
Finish26.22 mi1.02 mi1097+141044+151044+151125(Top 4%)1071(Top 7%)1071(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

938

Males

889

M18-39

889

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1054

Males

1001

M18-39

1001

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

938

Males

889

M18-39

889

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

850

Males

806

M18-39

806

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

973

Males

927

M18-39

927

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1021

Males

972

M18-39

972

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1343

Males

1285

M18-39

1285

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1474

Males

1403

M18-39

1403

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1624

Males

1545

M18-39

1545

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2290

Males

2170

M18-39

2170

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2143

Males

2023

M18-39

2023

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2138

Males

2004

M18-39

2004

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2428

Males

2248

M18-39

2248

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1723

Males

1616

M18-39

1616

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1125

Males

1071

M18-39

1071

Passing Analysis

Category:
Athletes Passed
287
Passed By
359
Net Change
-72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1025
5K → 10K4850-2#1025#1027
10K → 15K4414+30#1027#997
15K → 20K5511+44#997#953
20K → Half34-1#953#954
Half → 25K2218+4#954#950
25K → 30K3250-18#950#968
30K → 20M930-21#968#989
20M → 21M1724-7#989#996
21M → 35K532-27#996#1023
35K → 23M544-39#1023#1062
23M → 24M532-27#1062#1089
24M → 40K1333-20#1089#1109
40K → 25.2M68-2#1109#1111
25.2M → Finish239+14#1111#1097
TOTALS287359-72
📊

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