Boston Marathon logo
BOSTON MARATHON 2023

Tim Perry

Bib: 2571•M

NH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #1670
Start → 5K
19:47 | 6:22/mi
10K· 6.21 mi
38:45
Rank: #1321 (+349)
5K → 10K
18:58 | 6:06/mi
15K· 9.32 mi
57:52
Rank: #1217 (+104)
10K → 15K
19:07 | 6:09/mi
20K· 12.43 mi
1:17:05
Rank: #1155 (+62)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:21:15
Rank: #1150 (+5)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:21
Rank: #1131 (+19)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
1:56:11
Rank: #1122 (+9)
25K → 30K
19:50 | 6:23/mi
20M
2:04:49
Rank: #1094 (+28)
30K → 20M
8:38 | 6:21/mi
21M
2:11:27
Rank: #1062 (+32)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:16:03
Rank: #1052 (+10)
21M → 35K
4:36 | 6:09/mi
23M
2:24:02
Rank: #1033 (+19)
35K → 23M
7:59 | 6:23/mi
24M
2:30:12
Rank: #1011 (+22)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:35:36
Rank: #991 (+20)
24M → 40K
5:24 | 6:19/mi
25.2M
2:37:53
Rank: #988 (+3)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:43:59
Rank: #957 (+31)
25.2M → Finish
6:06 | 5:59/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
Time1:21:15
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:22:44
Pace6:19 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4719:476:2219:47
6:22
-
10K
6.21 mi10:39:4538:456:1418:58
6:06
-0:16
15K
9.32 mi10:58:5257:526:1319:07
6:09
+0:03
20K
12.43 mi11:18:051:17:056:1219:13
6:11
+0:02
Half
13.11 mi11:22:151:21:156:124:10
6:06
-0:05
25K
15.53 mi11:37:211:36:216:1215:06
6:14
+0:08
30K
18.64 mi11:57:111:56:116:1419:50
6:23
+0:09
20M
20.00 mi12:05:492:04:496:148:38
6:21
-0:02
21M
21.00 mi12:12:272:11:276:166:38
6:38
+0:17
35K
21.75 mi12:17:032:16:036:154:36
6:09
-0:29
23M
23.00 mi12:25:022:24:026:167:59
6:23
+0:14
24M
24.00 mi12:31:122:30:126:166:10
6:10
-0:13
40K
24.85 mi12:36:362:35:366:165:24
6:19
+0:09
25.2M
25.20 mi12:38:532:37:536:162:17
6:37
+0:18
Finish
26.22 mi12:44:592:43:596:166:06
5:59
-0:38

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

5:59 /mi

Average Pace

6:16 /mi

Slowest Pace

6:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:04

95% of race

Time at Steady Pace

8:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:4719:476:2219:47
6:22
#1670
10K
6.21 mi10:39:4538:456:1418:58
6:06
#1321
15K
9.32 mi10:58:5257:526:1319:07
6:09
#1217
20K
12.43 mi11:18:051:17:056:1219:13
6:11
#1155
Half
13.11 mi11:22:151:21:156:124:10
6:06
#1150
25K
15.53 mi11:37:211:36:216:1215:06
6:14
#1131
30K
18.64 mi11:57:111:56:116:1419:50
6:23
#1122
20M
20.00 mi12:05:492:04:496:148:38
6:21
#1094
21M
21.00 mi12:12:272:11:276:166:38
6:38
#1062
35K
21.75 mi12:17:032:16:036:154:36
6:09
#1052
23M
23.00 mi12:25:022:24:026:167:59
6:23
#1033
24M
24.00 mi12:31:122:30:126:166:10
6:10
#1011
40K
24.85 mi12:36:362:35:366:165:24
6:19
#991
25.2M
25.20 mi12:38:532:37:536:162:17
6:37
#988
Finish
26.22 mi12:44:592:43:596:166:06
5:59
#957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1670159115911105(Top 4%)1052(Top 7%)1052(Top 20%)
10K6.21 mi3.10 mi1321+3491255+3361255+3361069(Top 4%)1014(Top 7%)1014(Top 19%)
15K9.32 mi3.11 mi1217+1041154+1011154+1011105(Top 4%)1052(Top 7%)1052(Top 20%)
20K12.43 mi3.11 mi1155+621099+551099+551012(Top 4%)962(Top 6%)962(Top 18%)
Half13.11 mi0.68 mi1150+51094+51094+51029(Top 4%)981(Top 6%)981(Top 19%)
25K15.53 mi2.42 mi1131+191076+181076+181060(Top 4%)1009(Top 7%)1009(Top 19%)
30K18.64 mi3.11 mi1122+91070+61070+61159(Top 4%)1104(Top 7%)1104(Top 21%)
20M20.00 mi1.36 mi1094+281042+281042+28999(Top 4%)955(Top 6%)955(Top 18%)
21M21.00 mi1.00 mi1062+321011+311011+31927(Top 3%)879(Top 6%)879(Top 17%)
35K21.75 mi0.75 mi1052+101001+101001+101065(Top 4%)1013(Top 7%)1013(Top 19%)
23M23.00 mi1.25 mi1033+19982+19982+191020(Top 4%)967(Top 6%)967(Top 18%)
24M24.00 mi1.00 mi1011+22961+21961+21915(Top 3%)866(Top 6%)866(Top 16%)
40K24.85 mi0.85 mi991+20942+19942+19938(Top 4%)887(Top 6%)887(Top 17%)
25.2M25.20 mi0.35 mi988+3939+3939+3700(Top 3%)665(Top 4%)665(Top 13%)
Finish26.22 mi1.02 mi957+31909+30909+30692(Top 3%)661(Top 4%)661(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1105

Males

1052

M18-39

1052

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1069

Males

1014

M18-39

1014

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1105

Males

1052

M18-39

1052

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1012

Males

962

M18-39

962

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1029

Males

981

M18-39

981

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1060

Males

1009

M18-39

1009

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1159

Males

1104

M18-39

1104

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

999

Males

955

M18-39

955

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

927

Males

879

M18-39

879

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1065

Males

1013

M18-39

1013

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1020

Males

967

M18-39

967

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

915

Males

866

M18-39

866

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

938

Males

887

M18-39

887

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

700

Males

665

M18-39

665

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

692

Males

661

M18-39

661

Passing Analysis

Category:
Athletes Passed
824
Passed By
111
Net Change
+713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1670
5K → 10K3512+349#1670#1321
10K → 15K1117+104#1321#1217
15K → 20K708+62#1217#1155
20K → Half72+5#1155#1150
Half → 25K3718+19#1150#1131
25K → 30K4132+9#1131#1122
30K → 20M335+28#1122#1094
20M → 21M386+32#1094#1062
21M → 35K155+10#1062#1052
35K → 23M267+19#1052#1033
23M → 24M275+22#1033#1011
24M → 40K266+20#1011#991
40K → 25.2M85+3#991#988
25.2M → Finish343+31#988#957
TOTALS824111+713
📊

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