Boston Marathon logo
BOSTON MARATHON 2023

Kevin Seals

Bib: 6984•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M40-44)
#0 / 2241
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5311
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:14
Rank: #4932 (+379)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:25
Rank: #5026 (-94)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:24:41
Rank: #4963 (+63)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:17
Rank: #4952 (+11)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:51
Rank: #4831 (+121)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:20
Rank: #4580 (+251)
25K → 30K
21:29 | 6:55/mi
20M
2:16:48
Rank: #4503 (+77)
30K → 20M
9:28 | 6:58/mi
21M
2:23:58
Rank: #4367 (+136)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:28:58
Rank: #4303 (+64)
21M → 35K
5:00 | 6:41/mi
23M
2:37:33
Rank: #4183 (+120)
35K → 23M
8:35 | 6:51/mi
24M
2:44:04
Rank: #4051 (+132)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:49:48
Rank: #3961 (+90)
24M → 40K
5:44 | 6:42/mi
25.2M
2:52:15
Rank: #3897 (+64)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:58:44
Rank: #3754 (+143)
25.2M → Finish
6:29 | 6:22/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 Half⚖️ Balanced
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0621:216:5221:21
6:52
-
10K
6.21 mi10:45:5942:146:4820:53
6:43
-0:09
15K
9.32 mi11:07:101:03:256:4821:11
6:49
+0:06
20K
12.43 mi11:28:261:24:416:4921:16
6:51
+0:02
Half
13.11 mi11:33:021:29:176:494:36
6:45
-0:06
25K
15.53 mi11:49:361:45:516:4916:34
6:50
+0:05
30K
18.64 mi12:11:052:07:206:5021:29
6:55
+0:05
20M
20.00 mi12:20:332:16:486:509:28
6:58
+0:03
21M
21.00 mi12:27:432:23:586:517:10
7:10
+0:12
35K
21.75 mi12:32:432:28:586:515:00
6:41
-0:29
23M
23.00 mi12:41:182:37:336:518:35
6:51
+0:10
24M
24.00 mi12:47:492:44:046:506:31
6:31
-0:20
40K
24.85 mi12:53:332:49:486:505:44
6:42
+0:11
25.2M
25.20 mi12:56:002:52:156:502:27
7:06
+0:24
Finish
26.22 mi13:02:292:58:446:496:29
6:22
-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

6:22 /mi

Average Pace

6:49 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:07

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:25:0621:216:5221:21
6:52
#5311
10K
6.21 mi10:45:5942:146:4820:53
6:43
#4932
15K
9.32 mi11:07:101:03:256:4821:11
6:49
#5026
20K
12.43 mi11:28:261:24:416:4921:16
6:51
#4963
Half
13.11 mi11:33:021:29:176:494:36
6:45
#4952
25K
15.53 mi11:49:361:45:516:4916:34
6:50
#4831
30K
18.64 mi12:11:052:07:206:5021:29
6:55
#4580
20M
20.00 mi12:20:332:16:486:509:28
6:58
#4503
21M
21.00 mi12:27:432:23:586:517:10
7:10
#4367
35K
21.75 mi12:32:432:28:586:515:00
6:41
#4303
23M
23.00 mi12:41:182:37:336:518:35
6:51
#4183
24M
24.00 mi12:47:492:44:046:506:31
6:31
#4051
40K
24.85 mi12:53:332:49:486:505:44
6:42
#3961
25.2M
25.20 mi12:56:002:52:156:502:27
7:06
#3897
Finish
26.22 mi13:02:292:58:446:496:29
6:22
#3754
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5311490949095276(Top 20%)4873(Top 32%)4873(Top 217%)
10K6.21 mi3.10 mi4932+3794576+3334576+3334554(Top 17%)4251(Top 28%)4251(Top 190%)
15K9.32 mi3.11 mi5026-944666-904666-905276(Top 20%)4873(Top 32%)4873(Top 217%)
20K12.43 mi3.11 mi4963+634620+464620+464845(Top 18%)4497(Top 30%)4497(Top 201%)
Half13.11 mi0.68 mi4952+114607+134607+134673(Top 18%)4335(Top 29%)4335(Top 193%)
25K15.53 mi2.42 mi4831+1214493+1144493+1144413(Top 17%)4111(Top 27%)4111(Top 183%)
30K18.64 mi3.11 mi4580+2514271+2224271+2223758(Top 14%)3524(Top 23%)3524(Top 157%)
20M20.00 mi1.36 mi4503+774198+734198+733811(Top 14%)3547(Top 23%)3547(Top 158%)
21M21.00 mi1.00 mi4367+1364080+1184080+1182939(Top 11%)2756(Top 18%)2756(Top 123%)
35K21.75 mi0.75 mi4303+644022+584022+583467(Top 13%)3219(Top 21%)3219(Top 144%)
23M23.00 mi1.25 mi4183+1203917+1053917+1052984(Top 11%)2785(Top 18%)2785(Top 124%)
24M24.00 mi1.00 mi4051+1323794+1233794+1232181(Top 8%)2047(Top 13%)2047(Top 91%)
40K24.85 mi0.85 mi3961+903708+863708+862389(Top 9%)2219(Top 15%)2219(Top 99%)
25.2M25.20 mi0.35 mi3897+643653+553653+552167(Top 8%)2023(Top 13%)2023(Top 90%)
Finish26.22 mi1.02 mi3754+1433526+1273526+1271884(Top 7%)1762(Top 12%)1762(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5276

Males

4873

M40-44

4873

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4554

Males

4251

M40-44

4251

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5276

Males

4873

M40-44

4873

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4845

Males

4497

M40-44

4497

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4673

Males

4335

M40-44

4335

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4413

Males

4111

M40-44

4111

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3758

Males

3524

M40-44

3524

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3811

Males

3547

M40-44

3547

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2939

Males

2756

M40-44

2756

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3467

Males

3219

M40-44

3219

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2984

Males

2785

M40-44

2785

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2181

Males

2047

M40-44

2047

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2389

Males

2219

M40-44

2219

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2167

Males

2023

M40-44

2023

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1884

Males

1762

M40-44

1762

Passing Analysis

Category:
Athletes Passed
2029
Passed By
472
Net Change
+1557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5311
5K → 10K43960+379#5311#4932
10K → 15K79173-94#4932#5026
15K → 20K13572+63#5026#4963
20K → Half2413+11#4963#4952
Half → 25K15938+121#4952#4831
25K → 30K28837+251#4831#4580
30K → 20M9821+77#4580#4503
20M → 21M1459+136#4503#4367
21M → 35K8016+64#4367#4303
35K → 23M1299+120#4303#4183
23M → 24M1386+132#4183#4051
24M → 40K10111+90#4051#3961
40K → 25.2M662+64#3961#3897
25.2M → Finish1485+143#3897#3754
TOTALS2029472+1557
📊

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