Boston Marathon logo
BOSTON MARATHON 2023

Michael Oneill

Bib: 26148•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
10:25/mi
32:21
↑ 97↓ 3451.5%
10K· 6.21 mi
9:57/mi
1:03:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:34:07
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
2:02:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:46/mi
2:08:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:29:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:58:30
↑ 181↓ 1480.2%
20M
8:55/mi
3:10:37
↑ 64↓ 500.2%
21M
9:45/mi
3:20:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:26:49
↑ 17↓ 861.7%
23M
8:47/mi
3:37:49
↑ 23↓ 630.6%
24M
8:53/mi
3:46:42
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:54:27
↓ 200.3%
25.2M
9:02/mi
3:57:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
4:05:50
↑ 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 Half
Distance13.11 mi
Time2:08:13
Pace9:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
📊Negative Split: 8.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0632:2110:2532:21
10:25
-
10K
6.21 mi12:20:021:03:1710:1130:56
9:57
-0:28
15K
9.32 mi12:50:521:34:0710:0630:50
9:55
-0:02
20K
12.43 mi13:18:592:02:149:5028:07
9:03
-0:52
Half
13.11 mi13:24:582:08:139:475:59
8:46
-0:17
25K
15.53 mi13:46:202:29:359:3821:22
8:49
+0:03
30K
18.64 mi14:15:152:58:309:3528:55
9:18
+0:29
20M
20.00 mi14:27:223:10:379:3212:07
8:55
-0:23
21M
21.00 mi14:37:073:20:229:329:45
9:45
+0:50
35K
21.75 mi14:43:343:26:499:316:27
8:37
-1:08
23M
23.00 mi14:54:343:37:499:2811:00
8:47
+0:10
24M
24.00 mi15:03:273:46:429:278:53
8:53
+0:06
40K
24.85 mi15:11:123:54:279:267:45
9:04
+0:11
25.2M
25.20 mi15:14:193:57:349:263:07
9:02
-0:02
Finish
26.22 mi15:22:354:05:509:238:16
8:07
-0:55

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

8:07 /mi

Average Pace

9:23 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:43

6% of race

Time at Steady Pace

2:07:15

52% of race

Time at Slower Pace

1:43:52

42% of race

Average Pace: 9:23 /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 mi11:49:0632:2110:2532:21
10:25
#24497
10K
6.21 mi12:20:021:03:1710:1130:56
9:57
#24023
15K
9.32 mi12:50:521:34:0710:0630:50
9:55
#23797
20K
12.43 mi13:18:592:02:149:5028:07
9:03
#23019
Half
13.11 mi13:24:582:08:139:475:59
8:46
#22869
25K
15.53 mi13:46:202:29:359:3821:22
8:49
#22288
30K
18.64 mi14:15:152:58:309:3528:55
9:18
#21682
20M
20.00 mi14:27:223:10:379:3212:07
8:55
#21385
21M
21.00 mi14:37:073:20:229:329:45
9:45
#21158
35K
21.75 mi14:43:343:26:499:316:27
8:37
#21005
23M
23.00 mi14:54:343:37:499:2811:00
8:47
#20698
24M
24.00 mi15:03:273:46:429:278:53
8:53
#20537
40K
24.85 mi15:11:123:54:279:267:45
9:04
#20400
25.2M
25.20 mi15:14:193:57:349:263:07
9:02
#20318
Finish
26.22 mi15:22:354:05:509:238:16
8:07
#20131
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24497143211432123358(Top 88%)13813(Top 91%)13813(Top 261%)
10K6.21 mi3.10 mi24023+47414093+22814093+22823617(Top 89%)13908(Top 92%)13908(Top 263%)
15K9.32 mi3.11 mi23797+22613996+9713996+9723358(Top 88%)13813(Top 91%)13813(Top 261%)
20K12.43 mi3.11 mi23019+77813640+35613640+35619922(Top 75%)12267(Top 81%)12267(Top 232%)
Half13.11 mi0.68 mi22869+15013570+7013570+7019329(Top 73%)12035(Top 79%)12035(Top 228%)
25K15.53 mi2.42 mi22288+58113269+30113269+30118023(Top 68%)11444(Top 75%)11444(Top 217%)
30K18.64 mi3.11 mi21682+60613003+26613003+26618660(Top 70%)11632(Top 77%)11632(Top 220%)
20M20.00 mi1.36 mi21385+29712850+15312850+15316092(Top 60%)10458(Top 69%)10458(Top 198%)
21M21.00 mi1.00 mi21158+22712734+11612734+11617049(Top 64%)10816(Top 71%)10816(Top 205%)
35K21.75 mi0.75 mi21005+15312656+7812656+7815967(Top 60%)10290(Top 68%)10290(Top 195%)
23M23.00 mi1.25 mi20698+30712512+14412512+14414912(Top 56%)9782(Top 64%)9782(Top 185%)
24M24.00 mi1.00 mi20537+16112433+7912433+7916680(Top 63%)10485(Top 69%)10485(Top 198%)
40K24.85 mi0.85 mi20400+13712367+6612367+6616480(Top 62%)10349(Top 68%)10349(Top 196%)
25.2M25.20 mi0.35 mi20318+8212322+4512322+4512738(Top 48%)8651(Top 57%)8651(Top 164%)
Finish26.22 mi1.02 mi20131+18712229+9312229+9312858(Top 48%)8712(Top 57%)8712(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23358

Males

13813

M18-39

13813

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23617

Males

13908

M18-39

13908

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23358

Males

13813

M18-39

13813

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19922

Males

12267

M18-39

12267

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19329

Males

12035

M18-39

12035

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18023

Males

11444

M18-39

11444

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18660

Males

11632

M18-39

11632

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16092

Males

10458

M18-39

10458

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17049

Males

10816

M18-39

10816

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15967

Males

10290

M18-39

10290

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14912

Males

9782

M18-39

9782

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16680

Males

10485

M18-39

10485

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16480

Males

10349

M18-39

10349

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12738

Males

8651

M18-39

8651

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12858

Males

8712

M18-39

8712

Passing Analysis

Category:
Athletes Passed
4448
Passed By
82
Net Change
+4366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24497
5K → 10K51844+474#24497#24023
10K → 15K25327+226#24023#23797
15K → 20K7791+778#23797#23019
20K → Half1511+150#23019#22869
Half → 25K5810+581#22869#22288
25K → 30K6071+606#22288#21682
30K → 20M2970+297#21682#21385
20M → 21M2292+227#21385#21158
21M → 35K1541+153#21158#21005
35K → 23M3070+307#21005#20698
23M → 24M1643+161#20698#20537
24M → 40K1392+137#20537#20400
40K → 25.2M820+82#20400#20318
25.2M → Finish1870+187#20318#20131
TOTALS444882+4366
📊

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