Boston Marathon logo
BOSTON MARATHON 2023

Reid Kovacs

Bib: 571•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 0.4%
Gender (Male)
#0 / 15176
Top 0.6%
Division (M18-39)
#0 / 5285
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:01
Rank: #121
Start → 5K
17:01 | 5:29/mi
10K· 6.21 mi
33:58
Rank: #112 (+9)
5K → 10K
16:57 | 5:27/mi
15K· 9.32 mi
51:02
Rank: #110 (+2)
10K → 15K
17:04 | 5:30/mi
20K· 12.43 mi
1:08:12
Rank: #109 (+1)
15K → 20K
17:10 | 5:32/mi
Half· 13.11 mi
1:11:55
Rank: #110 (-1)
20K → Half
3:43 | 5:27/mi
25K· 15.53 mi
1:25:28
Rank: #107 (+3)
Half → 25K
13:33 | 5:35/mi
30K· 18.64 mi
1:43:06
Rank: #104 (+3)
25K → 30K
17:38 | 5:41/mi
20M
1:50:43
Rank: #104
30K → 20M
7:37 | 5:36/mi
21M
1:56:48
Rank: #104
20M → 21M
6:05 | 6:05/mi
35K· 21.75 mi
2:00:59
Rank: #103 (+1)
21M → 35K
4:11 | 5:36/mi
23M
2:08:15
Rank: #99 (+4)
35K → 23M
7:16 | 5:48/mi
24M
2:14:00
Rank: #99
23M → 24M
5:45 | 5:45/mi
40K· 24.85 mi
2:19:15
Rank: #102 (-3)
24M → 40K
5:15 | 6:08/mi
25.2M
2:21:39
Rank: #104 (-2)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:28:06
Rank: #111 (-7)
25.2M → Finish
6:27 | 6:20/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
Time1:11:55
Pace5:29 /mi
2nd Half
Distance13.11 mi
Time1:16:11
Pace5:49 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:1117:015:2917:01
5:29
-
10K
6.21 mi10:34:0833:585:2816:57
5:27
-0:02
15K
9.32 mi10:51:1251:025:2917:04
5:30
+0:03
20K
12.43 mi11:08:221:08:125:2917:10
5:32
+0:02
Half
13.11 mi11:12:051:11:555:293:43
5:27
-0:05
25K
15.53 mi11:25:381:25:285:3013:33
5:35
+0:08
30K
18.64 mi11:43:161:43:065:3217:38
5:41
+0:06
20M
20.00 mi11:50:531:50:435:327:37
5:36
-0:05
21M
21.00 mi11:56:581:56:485:346:05
6:05
+0:29
35K
21.75 mi12:01:092:00:595:344:11
5:36
-0:29
23M
23.00 mi12:08:252:08:155:357:16
5:48
+0:12
24M
24.00 mi12:14:102:14:005:355:45
5:45
-0:03
40K
24.85 mi12:19:252:19:155:365:15
6:08
+0:23
25.2M
25.20 mi12:21:492:21:395:372:24
6:58
+0:50
Finish
26.22 mi12:28:162:28:065:396:27
6:20
-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

5:27 /mi

Average Pace

5:39 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:07:55

86% of race

Time at Slower Pace

20:11

14% of race

Average Pace: 5:39 /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 mi10:17:1117:015:2917:01
5:29
#121
10K
6.21 mi10:34:0833:585:2816:57
5:27
#112
15K
9.32 mi10:51:1251:025:2917:04
5:30
#110
20K
12.43 mi11:08:221:08:125:2917:10
5:32
#109
Half
13.11 mi11:12:051:11:555:293:43
5:27
#110
25K
15.53 mi11:25:381:25:285:3013:33
5:35
#107
30K
18.64 mi11:43:161:43:065:3217:38
5:41
#104
20M
20.00 mi11:50:531:50:435:327:37
5:36
#104
21M
21.00 mi11:56:581:56:485:346:05
6:05
#104
35K
21.75 mi12:01:092:00:595:344:11
5:36
#103
23M
23.00 mi12:08:252:08:155:357:16
5:48
#99
24M
24.00 mi12:14:102:14:005:355:45
5:45
#99
40K
24.85 mi12:19:252:19:155:365:15
6:08
#102
25.2M
25.20 mi12:21:492:21:395:372:24
6:58
#104
Finish
26.22 mi12:28:162:28:065:396:27
6:20
#111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121121121113(Top 0.4%)91(Top 0.6%)91(Top 2%)
10K6.21 mi3.10 mi112+9112+9112+9105(Top 0.4%)105(Top 0.7%)105(Top 2%)
15K9.32 mi3.11 mi110+2100+12100+12113(Top 0.4%)91(Top 0.6%)91(Top 2%)
20K12.43 mi3.11 mi109+196+496+4101(Top 0.4%)83(Top 0.5%)83(Top 2%)
Half13.11 mi0.68 mi110-195+195+188(Top 0.3%)84(Top 0.6%)84(Top 2%)
25K15.53 mi2.42 mi107+391+491+4113(Top 0.4%)94(Top 0.6%)94(Top 2%)
30K18.64 mi3.11 mi104+388+388+3105(Top 0.4%)86(Top 0.6%)86(Top 2%)
20M20.00 mi1.36 mi10486+286+282(Top 0.3%)65(Top 0.4%)65(Top 1%)
21M21.00 mi1.00 mi1048686151(Top 0.6%)131(Top 0.9%)131(Top 2%)
35K21.75 mi0.75 mi103+185+185+1141(Top 0.5%)119(Top 0.8%)119(Top 2%)
23M23.00 mi1.25 mi99+482+382+3134(Top 0.5%)114(Top 0.8%)114(Top 2%)
24M24.00 mi1.00 mi998282200(Top 0.8%)177(Top 1%)177(Top 3%)
40K24.85 mi0.85 mi102-385-385-3537(Top 2%)506(Top 3%)506(Top 10%)
25.2M25.20 mi0.35 mi104-287-287-21557(Top 6%)1463(Top 10%)1463(Top 28%)
Finish26.22 mi1.02 mi111-793-693-61708(Top 6%)1604(Top 11%)1604(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.4%
×21stories
+97ft-345ft

Overall

113

Males

91

M18-39

91

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5stories
+79ft-138ft

Overall

105

Males

105

M18-39

105

10K→15K

6.2 - 9.3 mi

Top 0.4%
×3stories
+67ft-78ft

Overall

113

Males

91

M18-39

91

15K→20K

9.3 - 12.4 mi

Top 0.4%
×5stories
+106ft-86ft

Overall

101

Males

83

M18-39

83

20K→Half

12.4 - 13.1 mi

Top 0.3%
×2stories
+19ft-37ft

Overall

88

Males

84

M18-39

84

Half→25K

13.1 - 15.5 mi

Top 0.4%
×4stories
+66ft-88ft

Overall

113

Males

94

M18-39

94

25K→30K

15.5 - 18.6 mi

Top 0.4%
×9stories
+181ft-148ft

Overall

105

Males

86

M18-39

86

30K→20M

18.6 - 20.0 mi

Top 0.3%
×5stories
+64ft-50ft

Overall

82

Males

65

M18-39

65

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

151

Males

131

M18-39

131

21M→35K

21.0 - 21.8 mi

Top 0.5%
×7stories
+17ft-86ft

Overall

141

Males

119

M18-39

119

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

134

Males

114

M18-39

114

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

200

Males

177

M18-39

177

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

537

Males

506

M18-39

506

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1557

Males

1463

M18-39

1463

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1708

Males

1604

M18-39

1604

Passing Analysis

Category:
Athletes Passed
52
Passed By
42
Net Change
+10
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#121
5K → 10K112+9#121#112
10K → 15K1210+2#112#110
15K → 20K43+1#110#109
20K → Half12-1#109#110
Half → 25K41+3#110#107
25K → 30K63+3#107#104
30K → 20M220#104#104
20M → 21M330#104#104
21M → 35K21+1#104#103
35K → 23M51+4#103#99
23M → 24M110#99#99
24M → 40K03-3#99#102
40K → 25.2M13-2#102#104
25.2M → Finish07-7#104#111
TOTALS5242+10
📊

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