Boston Marathon logo
BOSTON MARATHON 2023

Sean Hynes

Bib: 29362•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
28:42
Rank: #21319
Start → 5K
28:42 | 9:14/mi
10K· 6.21 mi
57:26
Rank: #21537 (-218)
5K → 10K
28:44 | 9:15/mi
15K· 9.32 mi
1:26:08
Rank: #21501 (+36)
10K → 15K
28:42 | 9:14/mi
20K· 12.43 mi
1:53:55
Rank: #21059 (+442)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
2:00:03
Rank: #21027 (+32)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:22:38
Rank: #20870 (+157)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:53:36
Rank: #20876 (-6)
25K → 30K
30:58 | 9:58/mi
20M
3:08:13
Rank: #20996 (-120)
30K → 20M
14:37 | 10:45/mi
21M
3:19:53
Rank: #21090 (-94)
20M → 21M
11:40 | 11:40/mi
35K· 21.75 mi
3:27:23
Rank: #21096 (-6)
21M → 35K
7:30 | 10:01/mi
23M
3:40:35
Rank: #21096
35K → 23M
13:12 | 10:33/mi
24M
3:50:41
Rank: #21077 (+19)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
4:00:46
Rank: #21234 (-157)
24M → 40K
10:05 | 11:48/mi
25.2M
4:06:24
Rank: #21464 (-230)
40K → 25.2M
5:38 | 16:20/mi
Finish· 26.22 mi
4:16:15
Rank: #21428 (+36)
25.2M → Finish
9:51 | 9:40/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
Time2:00:03
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:16:12
Pace10:23 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0728:429:1428:42
9:14
-
10K
6.21 mi12:20:5157:269:1528:44
9:15
+0:01
15K
9.32 mi12:49:331:26:089:1428:42
9:14
-0:01
20K
12.43 mi13:17:201:53:559:1027:47
8:57
-0:17
Half
13.11 mi13:23:282:00:039:096:08
8:59
+0:02
25K
15.53 mi13:46:032:22:389:1122:35
9:19
+0:20
30K
18.64 mi14:17:012:53:369:1930:58
9:58
+0:39
20M
20.00 mi14:31:383:08:139:2514:37
10:45
+0:47
21M
21.00 mi14:43:183:19:539:3111:40
11:40
+0:55
35K
21.75 mi14:50:483:27:239:327:30
10:01
-1:39
23M
23.00 mi15:04:003:40:359:3513:12
10:33
+0:32
24M
24.00 mi15:14:063:50:419:3710:06
10:06
-0:27
40K
24.85 mi15:24:114:00:469:4110:05
11:48
+1:42
25.2M
25.20 mi15:29:494:06:249:475:38
16:20
+4:32
Finish
26.22 mi15:39:404:16:159:479:51
9:40
-6:40

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

8:57 /mi

Average Pace

9:47 /mi

Slowest Pace

16:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:55

13% of race

Time at Steady Pace

3:14:57

76% of race

Time at Slower Pace

27:23

11% of race

Average Pace: 9:46 /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 mi11:52:0728:429:1428:42
9:14
#21319
10K
6.21 mi12:20:5157:269:1528:44
9:15
#21537
15K
9.32 mi12:49:331:26:089:1428:42
9:14
#21501
20K
12.43 mi13:17:201:53:559:1027:47
8:57
#21059
Half
13.11 mi13:23:282:00:039:096:08
8:59
#21027
25K
15.53 mi13:46:032:22:389:1122:35
9:19
#20870
30K
18.64 mi14:17:012:53:369:1930:58
9:58
#20876
20M
20.00 mi14:31:383:08:139:2514:37
10:45
#20996
21M
21.00 mi14:43:183:19:539:3111:40
11:40
#21090
35K
21.75 mi14:50:483:27:239:327:30
10:01
#21096
23M
23.00 mi15:04:003:40:359:3513:12
10:33
#21096
24M
24.00 mi15:14:063:50:419:3710:06
10:06
#21077
40K
24.85 mi15:24:114:00:469:4110:05
11:48
#21234
25.2M
25.20 mi15:29:494:06:249:475:38
16:20
#21464
Finish
26.22 mi15:39:404:16:159:479:51
9:40
#21428
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21319127611276121427(Top 80%)12944(Top 85%)12944(Top 245%)
10K6.21 mi3.10 mi21537-21812918-15712918-15721772(Top 82%)13050(Top 86%)13050(Top 247%)
15K9.32 mi3.11 mi21501+3612924-612924-621427(Top 80%)12944(Top 85%)12944(Top 245%)
20K12.43 mi3.11 mi21059+44212728+19612728+19619424(Top 73%)12068(Top 80%)12068(Top 228%)
Half13.11 mi0.68 mi21027+3212723+512723+520390(Top 77%)12476(Top 82%)12476(Top 236%)
25K15.53 mi2.42 mi20870+15712661+6212661+6220237(Top 76%)12390(Top 82%)12390(Top 234%)
30K18.64 mi3.11 mi20876-612655+612655+620934(Top 79%)12605(Top 83%)12605(Top 239%)
20M20.00 mi1.36 mi20996-12012683-2812683-2822261(Top 84%)13117(Top 86%)13117(Top 248%)
21M21.00 mi1.00 mi21090-9412698-1512698-1522175(Top 83%)13056(Top 86%)13056(Top 247%)
35K21.75 mi0.75 mi21096-612699-112699-121321(Top 80%)12634(Top 83%)12634(Top 239%)
23M23.00 mi1.25 mi2109612689+1012689+1021420(Top 80%)12651(Top 83%)12651(Top 239%)
24M24.00 mi1.00 mi21077+1912667+2212667+2221060(Top 79%)12458(Top 82%)12458(Top 236%)
40K24.85 mi0.85 mi21234-15712734-6712734-6723622(Top 89%)13594(Top 90%)13594(Top 257%)
25.2M25.20 mi0.35 mi21464-23012829-9512829-9526209(Top 98%)14923(Top 98%)14923(Top 282%)
Finish26.22 mi1.02 mi21428+3612804+2512804+2520672(Top 78%)12258(Top 81%)12258(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21427

Males

12944

M18-39

12944

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21772

Males

13050

M18-39

13050

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21427

Males

12944

M18-39

12944

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19424

Males

12068

M18-39

12068

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20390

Males

12476

M18-39

12476

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20237

Males

12390

M18-39

12390

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

20934

Males

12605

M18-39

12605

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22261

Males

13117

M18-39

13117

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22175

Males

13056

M18-39

13056

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21321

Males

12634

M18-39

12634

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21420

Males

12651

M18-39

12651

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21060

Males

12458

M18-39

12458

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23622

Males

13594

M18-39

13594

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26209

Males

14923

M18-39

14923

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20672

Males

12258

M18-39

12258

Passing Analysis

Category:
Athletes Passed
1509
Passed By
1618
Net Change
-109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21319
5K → 10K176394-218#21319#21537
10K → 15K183147+36#21537#21501
15K → 20K45412+442#21501#21059
20K → Half4715+32#21059#21027
Half → 25K19235+157#21027#20870
25K → 30K145151-6#20870#20876
30K → 20M43163-120#20876#20996
20M → 21M31125-94#20996#21090
21M → 35K3945-6#21090#21096
35K → 23M56560#21096#21096
23M → 24M5334+19#21096#21077
24M → 40K19176-157#21077#21234
40K → 25.2M0230-230#21234#21464
25.2M → Finish7135+36#21464#21428
TOTALS15091618-109
📊

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