Boston Marathon logo
BOSTON MARATHON 2023

Derek O'rourke

Bib: 30796•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:13/mi
31:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:16/mi
1:00:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:13/mi
1:29:13
↑ 67↓ 78
20K· 12.43 mi
9:30/mi
1:58:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:05:04
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:28:17
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
3:00:04
↑ 181↓ 1480.2%
20M
10:46/mi
3:14:42
↑ 64↓ 500.2%
21M
11:12/mi
3:25:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:33:06
↑ 17↓ 861.7%
23M
10:07/mi
3:45:46
↑ 23↓ 630.6%
24M
10:16/mi
3:56:02
↓ 821.3%
40K· 24.85 mi
10:02/mi
4:04:37
↓ 200.3%
25.2M
10:29/mi
4:08:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
4:17:11
↑ 22↓ 21

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
Time2:05:04
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:12:07
Pace10:05 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0631:4610:1331:46
10:13
-
10K
6.21 mi12:19:541:00:349:4528:48
9:16
-0:57
15K
9.32 mi12:48:331:29:139:3428:39
9:13
-0:03
20K
12.43 mi13:18:051:58:459:3329:32
9:30
+0:17
Half
13.11 mi13:24:242:05:049:326:19
9:16
-0:14
25K
15.53 mi13:47:372:28:179:3323:13
9:35
+0:19
30K
18.64 mi14:19:243:00:049:4031:47
10:14
+0:39
20M
20.00 mi14:34:023:14:429:4414:38
10:46
+0:32
21M
21.00 mi14:45:143:25:549:4811:12
11:12
+0:26
35K
21.75 mi14:52:263:33:069:487:12
9:37
-1:35
23M
23.00 mi15:05:063:45:469:4912:40
10:07
+0:30
24M
24.00 mi15:15:223:56:029:5010:16
10:16
+0:09
40K
24.85 mi15:23:574:04:379:518:35
10:02
-0:14
25.2M
25.20 mi15:27:344:08:149:513:37
10:29
+0:27
Finish
26.22 mi15:36:314:17:119:498:57
8:47
-1:42

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

8:47 /mi

Average Pace

9:49 /mi

Slowest Pace

11:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:40

52% of race

Time at Steady Pace

1:35:04

37% of race

Time at Slower Pace

29:27

11% of race

Average Pace: 9:49 /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 mi11:51:0631:4610:1331:46
10:13
#24007
10K
6.21 mi12:19:541:00:349:4528:48
9:16
#23026
15K
9.32 mi12:48:331:29:139:3428:39
9:13
#22517
20K
12.43 mi13:18:051:58:459:3329:32
9:30
#22273
Half
13.11 mi13:24:242:05:049:326:19
9:16
#22218
25K
15.53 mi13:47:372:28:179:3323:13
9:35
#22018
30K
18.64 mi14:19:243:00:049:4031:47
10:14
#21948
20M
20.00 mi14:34:023:14:429:4414:38
10:46
#21974
21M
21.00 mi14:45:143:25:549:4811:12
11:12
#21940
35K
21.75 mi14:52:263:33:069:487:12
9:37
#21891
23M
23.00 mi15:05:063:45:469:4912:40
10:07
#21795
24M
24.00 mi15:15:223:56:029:5010:16
10:16
#21786
40K
24.85 mi15:23:574:04:379:518:35
10:02
#21715
25.2M
25.20 mi15:27:344:08:149:513:37
10:29
#21684
Finish
26.22 mi15:36:314:17:119:498:57
8:47
#21539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24007140911409121377(Top 80%)12921(Top 85%)12921(Top 244%)
10K6.21 mi3.10 mi23026+98113624+46713624+46721830(Top 82%)13078(Top 86%)13078(Top 247%)
15K9.32 mi3.11 mi22517+50913394+23013394+23021377(Top 80%)12921(Top 85%)12921(Top 244%)
20K12.43 mi3.11 mi22273+24413280+11413280+11421568(Top 81%)12988(Top 86%)12988(Top 246%)
Half13.11 mi0.68 mi22218+5513249+3113249+3121338(Top 80%)12889(Top 85%)12889(Top 244%)
25K15.53 mi2.42 mi22018+20013160+8913160+8921072(Top 79%)12745(Top 84%)12745(Top 241%)
30K18.64 mi3.11 mi21948+7013120+4013120+4021594(Top 81%)12895(Top 85%)12895(Top 244%)
20M20.00 mi1.36 mi21974-2613121-113121-122279(Top 84%)13127(Top 86%)13127(Top 248%)
21M21.00 mi1.00 mi21940+3413096+2513096+2521266(Top 80%)12640(Top 83%)12640(Top 239%)
35K21.75 mi0.75 mi21891+4913076+2013076+2020214(Top 76%)12137(Top 80%)12137(Top 230%)
23M23.00 mi1.25 mi21795+9613008+6813008+6820336(Top 76%)12168(Top 80%)12168(Top 230%)
24M24.00 mi1.00 mi21786+912995+1312995+1321473(Top 81%)12621(Top 83%)12621(Top 239%)
40K24.85 mi0.85 mi21715+7112949+4612949+4620072(Top 75%)11956(Top 79%)11956(Top 226%)
25.2M25.20 mi0.35 mi21684+3112929+2012929+2019053(Top 72%)11509(Top 76%)11509(Top 218%)
Finish26.22 mi1.02 mi21539+14512860+6912860+6916938(Top 64%)10589(Top 70%)10589(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21377

Males

12921

M18-39

12921

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21830

Males

13078

M18-39

13078

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21377

Males

12921

M18-39

12921

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21568

Males

12988

M18-39

12988

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21338

Males

12889

M18-39

12889

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21072

Males

12745

M18-39

12745

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21594

Males

12895

M18-39

12895

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22279

Males

13127

M18-39

13127

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21266

Males

12640

M18-39

12640

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20214

Males

12137

M18-39

12137

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20336

Males

12168

M18-39

12168

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21473

Males

12621

M18-39

12621

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20072

Males

11956

M18-39

11956

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19053

Males

11509

M18-39

11509

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16938

Males

10589

M18-39

10589

Passing Analysis

Category:
Athletes Passed
2849
Passed By
381
Net Change
+2468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24007
5K → 10K99615+981#24007#23026
10K → 15K5189+509#23026#22517
15K → 20K27632+244#22517#22273
20K → Half583+55#22273#22218
Half → 25K21919+200#22218#22018
25K → 30K175105+70#22018#21948
30K → 20M5379-26#21948#21974
20M → 21M8349+34#21974#21940
21M → 35K556+49#21940#21891
35K → 23M11620+96#21891#21795
23M → 24M3930+9#21795#21786
24M → 40K787+71#21786#21715
40K → 25.2M354+31#21715#21684
25.2M → Finish1483+145#21684#21539
TOTALS2849381+2468
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing