Boston Marathon logo
BOSTON MARATHON 2023

Oscar Haven

Bib: 3712•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #2184
Start → 5K
20:09 | 6:29/mi
10K· 6.21 mi
39:23
Rank: #1729 (+455)
5K → 10K
19:14 | 6:11/mi
15K· 9.32 mi
58:36
Rank: #1523 (+206)
10K → 15K
19:13 | 6:11/mi
20K· 12.43 mi
1:17:39
Rank: #1301 (+222)
15K → 20K
19:03 | 6:08/mi
Half· 13.11 mi
1:21:42
Rank: #1253 (+48)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:36:24
Rank: #1144 (+109)
Half → 25K
14:42 | 6:04/mi
30K· 18.64 mi
1:55:34
Rank: #1016 (+128)
25K → 30K
19:10 | 6:10/mi
20M
2:03:52
Rank: #959 (+57)
30K → 20M
8:18 | 6:06/mi
21M
2:10:17
Rank: #926 (+33)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:14:37
Rank: #883 (+43)
21M → 35K
4:20 | 5:48/mi
23M
2:22:09
Rank: #832 (+51)
35K → 23M
7:32 | 6:01/mi
24M
2:28:02
Rank: #795 (+37)
23M → 24M
5:53 | 5:53/mi
40K· 24.85 mi
2:33:12
Rank: #760 (+35)
24M → 40K
5:10 | 6:03/mi
25.2M
2:35:23
Rank: #749 (+11)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:41:14
Rank: #717 (+32)
25.2M → Finish
5:51 | 5:44/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
Distance13.11 mi
Time1:21:42
Pace6:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:32
Pace6:04 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4420:096:2920:09
6:29
-
10K
6.21 mi10:40:5839:236:2019:14
6:11
-0:18
15K
9.32 mi11:00:1158:366:1719:13
6:11
0:00
20K
12.43 mi11:19:141:17:396:1519:03
6:08
-0:03
Half
13.11 mi11:23:171:21:426:144:03
5:56
-0:12
25K
15.53 mi11:37:591:36:246:1214:42
6:04
+0:08
30K
18.64 mi11:57:091:55:346:1219:10
6:10
+0:06
20M
20.00 mi12:05:272:03:526:128:18
6:06
-0:04
21M
21.00 mi12:11:522:10:176:126:25
6:25
+0:19
35K
21.75 mi12:16:122:14:376:114:20
5:48
-0:37
23M
23.00 mi12:23:442:22:096:117:32
6:01
+0:13
24M
24.00 mi12:29:372:28:026:105:53
5:53
-0:08
40K
24.85 mi12:34:472:33:126:105:10
6:03
+0:10
25.2M
25.20 mi12:36:582:35:236:102:11
6:20
+0:17
Finish
26.22 mi12:42:492:41:146:095:51
5:44
-0:36

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

5:44 /mi

Average Pace

6:09 /mi

Slowest Pace

6:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:29

82% of race

Time at Steady Pace

28:45

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:21:4420:096:2920:09
6:29
#2184
10K
6.21 mi10:40:5839:236:2019:14
6:11
#1729
15K
9.32 mi11:00:1158:366:1719:13
6:11
#1523
20K
12.43 mi11:19:141:17:396:1519:03
6:08
#1301
Half
13.11 mi11:23:171:21:426:144:03
5:56
#1253
25K
15.53 mi11:37:591:36:246:1214:42
6:04
#1144
30K
18.64 mi11:57:091:55:346:1219:10
6:10
#1016
20M
20.00 mi12:05:272:03:526:128:18
6:06
#959
21M
21.00 mi12:11:522:10:176:126:25
6:25
#926
35K
21.75 mi12:16:122:14:376:114:20
5:48
#883
23M
23.00 mi12:23:442:22:096:117:32
6:01
#832
24M
24.00 mi12:29:372:28:026:105:53
5:53
#795
40K
24.85 mi12:34:472:33:126:105:10
6:03
#760
25.2M
25.20 mi12:36:582:35:236:102:11
6:20
#749
Finish
26.22 mi12:42:492:41:146:095:51
5:44
#717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2184208320831190(Top 4%)1134(Top 7%)1134(Top 21%)
10K6.21 mi3.10 mi1729+4551652+4311652+4311307(Top 5%)1244(Top 8%)1244(Top 24%)
15K9.32 mi3.11 mi1523+2061453+1991453+1991190(Top 4%)1134(Top 7%)1134(Top 21%)
20K12.43 mi3.11 mi1301+2221240+2131240+213860(Top 3%)815(Top 5%)815(Top 15%)
Half13.11 mi0.68 mi1253+481194+461194+46624(Top 2%)586(Top 4%)586(Top 11%)
25K15.53 mi2.42 mi1144+1091089+1051089+105651(Top 2%)610(Top 4%)610(Top 12%)
30K18.64 mi3.11 mi1016+128966+123966+123626(Top 2%)590(Top 4%)590(Top 11%)
20M20.00 mi1.36 mi959+57910+56910+56500(Top 2%)466(Top 3%)466(Top 9%)
21M21.00 mi1.00 mi926+33879+31879+31515(Top 2%)481(Top 3%)481(Top 9%)
35K21.75 mi0.75 mi883+43836+43836+43376(Top 1%)347(Top 2%)347(Top 7%)
23M23.00 mi1.25 mi832+51787+49787+49325(Top 1%)300(Top 2%)300(Top 6%)
24M24.00 mi1.00 mi795+37751+36751+36374(Top 1%)348(Top 2%)348(Top 7%)
40K24.85 mi0.85 mi760+35718+33718+33396(Top 1%)371(Top 2%)371(Top 7%)
25.2M25.20 mi0.35 mi749+11707+11707+11270(Top 1%)250(Top 2%)250(Top 5%)
Finish26.22 mi1.02 mi717+32675+32675+32292(Top 1%)274(Top 2%)274(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1190

Males

1134

M18-39

1134

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1307

Males

1244

M18-39

1244

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1190

Males

1134

M18-39

1134

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

860

Males

815

M18-39

815

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

624

Males

586

M18-39

586

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

651

Males

610

M18-39

610

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

626

Males

590

M18-39

590

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

500

Males

466

M18-39

466

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

515

Males

481

M18-39

481

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

376

Males

347

M18-39

347

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

325

Males

300

M18-39

300

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

374

Males

348

M18-39

348

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

396

Males

371

M18-39

371

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

270

Males

250

M18-39

250

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

292

Males

274

M18-39

274

Passing Analysis

Category:
Athletes Passed
1483
Passed By
16
Net Change
+1467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2184
5K → 10K4572+455#2184#1729
10K → 15K2137+206#1729#1523
15K → 20K2253+222#1523#1301
20K → Half480+48#1301#1253
Half → 25K1090+109#1253#1144
25K → 30K1302+128#1144#1016
30K → 20M581+57#1016#959
20M → 21M330+33#959#926
21M → 35K430+43#926#883
35K → 23M510+51#883#832
23M → 24M370+37#832#795
24M → 40K361+35#795#760
40K → 25.2M110+11#760#749
25.2M → Finish320+32#749#717
TOTALS148316+1467
📊

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