Boston Marathon logo
BOSTON MARATHON 2023

Bobby Mcdonough

Bib: 1108•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #1273
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:42
Rank: #1283 (-10)
5K → 10K
19:16 | 6:12/mi
15K· 9.32 mi
58:19
Rank: #1404 (-121)
10K → 15K
19:37 | 6:19/mi
20K· 12.43 mi
1:17:33
Rank: #1274 (+130)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:21:43
Rank: #1257 (+17)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:43
Rank: #1200 (+57)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:56:00
Rank: #1092 (+108)
25K → 30K
19:17 | 6:12/mi
20M
2:04:27
Rank: #1043 (+49)
30K → 20M
8:27 | 6:13/mi
21M
2:10:53
Rank: #984 (+59)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:15:26
Rank: #970 (+14)
21M → 35K
4:33 | 6:05/mi
23M
2:23:18
Rank: #949 (+21)
35K → 23M
7:52 | 6:17/mi
24M
2:29:30
Rank: #937 (+12)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:34:52
Rank: #917 (+20)
24M → 40K
5:22 | 6:17/mi
25.2M
2:37:11
Rank: #910 (+7)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:43:20
Rank: #883 (+27)
25.2M → Finish
6:09 | 6:02/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
Time1:21:43
Pace6:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:37
Pace6:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0119:266:1519:26
6:15
-
10K
6.21 mi10:39:1738:426:1419:16
6:12
-0:03
15K
9.32 mi10:58:5458:196:1519:37
6:19
+0:07
20K
12.43 mi11:18:081:17:336:1419:14
6:11
-0:08
Half
13.11 mi11:22:181:21:436:144:10
6:06
-0:05
25K
15.53 mi11:37:181:36:436:1415:00
6:11
+0:05
30K
18.64 mi11:56:351:56:006:1319:17
6:12
+0:01
20M
20.00 mi12:05:022:04:276:138:27
6:13
+0:01
21M
21.00 mi12:11:282:10:536:146:26
6:26
+0:13
35K
21.75 mi12:16:012:15:266:144:33
6:05
-0:21
23M
23.00 mi12:23:532:23:186:147:52
6:17
+0:12
24M
24.00 mi12:30:052:29:306:146:12
6:12
-0:05
40K
24.85 mi12:35:272:34:526:145:22
6:17
+0:05
25.2M
25.20 mi12:37:462:37:116:142:19
6:43
+0:26
Finish
26.22 mi12:43:552:43:206:146:09
6:02
-0:41

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

6:02 /mi

Average Pace

6:14 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:01

99% of race

Time at Steady Pace

2:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:20:0119:266:1519:26
6:15
#1273
10K
6.21 mi10:39:1738:426:1419:16
6:12
#1283
15K
9.32 mi10:58:5458:196:1519:37
6:19
#1404
20K
12.43 mi11:18:081:17:336:1419:14
6:11
#1274
Half
13.11 mi11:22:181:21:436:144:10
6:06
#1257
25K
15.53 mi11:37:181:36:436:1415:00
6:11
#1200
30K
18.64 mi11:56:351:56:006:1319:17
6:12
#1092
20M
20.00 mi12:05:022:04:276:138:27
6:13
#1043
21M
21.00 mi12:11:282:10:536:146:26
6:26
#984
35K
21.75 mi12:16:012:15:266:144:33
6:05
#970
23M
23.00 mi12:23:532:23:186:147:52
6:17
#949
24M
24.00 mi12:30:052:29:306:146:12
6:12
#937
40K
24.85 mi12:35:272:34:526:145:22
6:17
#917
25.2M
25.20 mi12:37:462:37:116:142:19
6:43
#910
Finish
26.22 mi12:43:552:43:206:146:09
6:02
#883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1273120712071702(Top 6%)1628(Top 11%)1628(Top 31%)
10K6.21 mi3.10 mi1283-101218-111218-111359(Top 5%)1295(Top 9%)1295(Top 25%)
15K9.32 mi3.11 mi1404-1211339-1211339-1211702(Top 6%)1628(Top 11%)1628(Top 31%)
20K12.43 mi3.11 mi1274+1301213+1261213+1261031(Top 4%)981(Top 6%)981(Top 19%)
Half13.11 mi0.68 mi1257+171198+151198+151023(Top 4%)975(Top 6%)975(Top 18%)
25K15.53 mi2.42 mi1200+571145+531145+53962(Top 4%)913(Top 6%)913(Top 17%)
30K18.64 mi3.11 mi1092+1081041+1041041+104698(Top 3%)661(Top 4%)661(Top 13%)
20M20.00 mi1.36 mi1043+49992+49992+49695(Top 3%)658(Top 4%)658(Top 12%)
21M21.00 mi1.00 mi984+59936+56936+56545(Top 2%)511(Top 3%)511(Top 10%)
35K21.75 mi0.75 mi970+14923+13923+13874(Top 3%)831(Top 5%)831(Top 16%)
23M23.00 mi1.25 mi949+21902+21902+21797(Top 3%)756(Top 5%)756(Top 14%)
24M24.00 mi1.00 mi937+12890+12890+121016(Top 4%)962(Top 6%)962(Top 18%)
40K24.85 mi0.85 mi917+20870+20870+20826(Top 3%)782(Top 5%)782(Top 15%)
25.2M25.20 mi0.35 mi910+7863+7863+7924(Top 3%)880(Top 6%)880(Top 17%)
Finish26.22 mi1.02 mi883+27837+26837+26812(Top 3%)778(Top 5%)778(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1702

Males

1628

M18-39

1628

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1359

Males

1295

M18-39

1295

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1702

Males

1628

M18-39

1628

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1031

Males

981

M18-39

981

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1023

Males

975

M18-39

975

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

962

Males

913

M18-39

913

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

698

Males

661

M18-39

661

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

695

Males

658

M18-39

658

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

545

Males

511

M18-39

511

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

874

Males

831

M18-39

831

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

797

Males

756

M18-39

756

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1016

Males

962

M18-39

962

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

826

Males

782

M18-39

782

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

924

Males

880

M18-39

880

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

812

Males

778

M18-39

778

Passing Analysis

Category:
Athletes Passed
630
Passed By
240
Net Change
+390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1273
5K → 10K6575-10#1273#1283
10K → 15K15136-121#1283#1404
15K → 20K1377+130#1404#1274
20K → Half181+17#1274#1257
Half → 25K581+57#1257#1200
25K → 30K1113+108#1200#1092
30K → 20M512+49#1092#1043
20M → 21M590+59#1043#984
21M → 35K151+14#984#970
35K → 23M221+21#970#949
23M → 24M186+12#949#937
24M → 40K244+20#937#917
40K → 25.2M70+7#917#910
25.2M → Finish303+27#910#883
TOTALS630240+390
📊

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