Boston Marathon logo
BOSTON MARATHON 2023

Paul Donnelly

Bib: 26101•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
10:52/mi
33:46
↑ 97↓ 3451.5%
10K· 6.21 mi
11:53/mi
1:10:42
↑ 79↓ 1380.4%
15K· 9.32 mi
11:24/mi
1:46:07
↑ 67↓ 78
20K· 12.43 mi
11:18/mi
2:21:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:55/mi
2:28:39
↑ 19↓ 370.5%
25K· 15.53 mi
12:02/mi
2:57:50
↑ 66↓ 880.2%
30K· 18.64 mi
12:44/mi
3:37:24
↑ 181↓ 1480.2%
20M
12:22/mi
3:54:13
↑ 64↓ 500.2%
21M
13:21/mi
4:07:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
4:16:12
↑ 17↓ 861.7%
23M
12:09/mi
4:31:25
↑ 23↓ 630.6%
24M
11:36/mi
4:43:01
↓ 821.3%
40K· 24.85 mi
11:55/mi
4:53:12
↓ 200.3%
25.2M
12:02/mi
4:57:21
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
5:08:04
↑ 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
Time2:28:39
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:39:25
Pace12:10 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2633:4610:5233:46
10:52
-
10K
6.21 mi12:35:221:10:4211:2336:56
11:53
+1:01
15K
9.32 mi13:10:471:46:0711:2335:25
11:24
-0:29
20K
12.43 mi13:45:522:21:1211:2235:05
11:18
-0:06
Half
13.11 mi13:53:192:28:3911:207:27
10:55
-0:23
25K
15.53 mi14:22:302:57:5011:2729:11
12:02
+1:07
30K
18.64 mi15:02:043:37:2411:4039:34
12:44
+0:42
20M
20.00 mi15:18:533:54:1311:4316:49
12:22
-0:22
21M
21.00 mi15:32:144:07:3411:4713:21
13:21
+0:59
35K
21.75 mi15:40:524:16:1211:478:38
11:32
-1:49
23M
23.00 mi15:56:054:31:2511:4815:13
12:09
+0:37
24M
24.00 mi16:07:414:43:0111:4811:36
11:36
-0:33
40K
24.85 mi16:17:524:53:1211:4810:11
11:55
+0:19
25.2M
25.20 mi16:22:014:57:2111:484:09
12:02
+0:07
Finish
26.22 mi16:32:445:08:0411:4510:43
10:31
-1:31

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

10:31 /mi

Average Pace

11:45 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:26

40% of race

Time at Steady Pace

1:55:54

38% of race

Time at Slower Pace

1:09:44

23% of race

Average Pace: 11:45 /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 mi11:58:2633:4610:5233:46
10:52
#25483
10K
6.21 mi12:35:221:10:4211:2336:56
11:53
#25995
15K
9.32 mi13:10:471:46:0711:2335:25
11:24
#25873
20K
12.43 mi13:45:522:21:1211:2235:05
11:18
#25645
Half
13.11 mi13:53:192:28:3911:207:27
10:55
#25614
25K
15.53 mi14:22:302:57:5011:2729:11
12:02
#25550
30K
18.64 mi15:02:043:37:2411:4039:34
12:44
#25488
20M
20.00 mi15:18:533:54:1311:4316:49
12:22
#25439
21M
21.00 mi15:32:144:07:3411:4713:21
13:21
#25403
35K
21.75 mi15:40:524:16:1211:478:38
11:32
#25368
23M
23.00 mi15:56:054:31:2511:4815:13
12:09
#25326
24M
24.00 mi16:07:414:43:0111:4811:36
11:36
#25277
40K
24.85 mi16:17:524:53:1211:4810:11
11:55
#25240
25.2M
25.20 mi16:22:014:57:2111:484:09
12:02
#25212
Finish
26.22 mi16:32:445:08:0411:4510:43
10:31
#25163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25483147481474825607(Top 96%)14773(Top 97%)14773(Top 280%)
10K6.21 mi3.10 mi25995-51214933-18514933-18526216(Top 98%)15014(Top 99%)15014(Top 284%)
15K9.32 mi3.11 mi25873+12214889+4414889+4425607(Top 96%)14773(Top 97%)14773(Top 280%)
20K12.43 mi3.11 mi25645+22814788+10114788+10124992(Top 94%)14496(Top 96%)14496(Top 274%)
Half13.11 mi0.68 mi25614+3114775+1314775+1324825(Top 93%)14409(Top 95%)14409(Top 273%)
25K15.53 mi2.42 mi25550+6414742+3314742+3325187(Top 95%)14543(Top 96%)14543(Top 275%)
30K18.64 mi3.11 mi25488+6214698+4414698+4425192(Top 95%)14496(Top 96%)14496(Top 274%)
20M20.00 mi1.36 mi25439+4914669+2914669+2924607(Top 92%)14192(Top 94%)14192(Top 269%)
21M21.00 mi1.00 mi25403+3614647+2214647+2224440(Top 92%)14107(Top 93%)14107(Top 267%)
35K21.75 mi0.75 mi25368+3514628+1914628+1924161(Top 91%)13931(Top 92%)13931(Top 264%)
23M23.00 mi1.25 mi25326+4214605+2314605+2324188(Top 91%)13939(Top 92%)13939(Top 264%)
24M24.00 mi1.00 mi25277+4914578+2714578+2724001(Top 90%)13817(Top 91%)13817(Top 261%)
40K24.85 mi0.85 mi25240+3714554+2414554+2423777(Top 89%)13684(Top 90%)13684(Top 259%)
25.2M25.20 mi0.35 mi25212+2814541+1314541+1322562(Top 85%)13117(Top 86%)13117(Top 248%)
Finish26.22 mi1.02 mi25163+4914520+2114520+2123028(Top 86%)13351(Top 88%)13351(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25607

Males

14773

M18-39

14773

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26216

Males

15014

M18-39

15014

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25607

Males

14773

M18-39

14773

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24992

Males

14496

M18-39

14496

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24825

Males

14409

M18-39

14409

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25187

Males

14543

M18-39

14543

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25192

Males

14496

M18-39

14496

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24607

Males

14192

M18-39

14192

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24440

Males

14107

M18-39

14107

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24161

Males

13931

M18-39

13931

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24188

Males

13939

M18-39

13939

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

24001

Males

13817

M18-39

13817

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23777

Males

13684

M18-39

13684

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22562

Males

13117

M18-39

13117

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

23028

Males

13351

M18-39

13351

Passing Analysis

Category:
Athletes Passed
1001
Passed By
681
Net Change
+320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25483
5K → 10K18530-512#25483#25995
10K → 15K14220+122#25995#25873
15K → 20K2324+228#25873#25645
20K → Half365+31#25645#25614
Half → 25K9733+64#25614#25550
25K → 30K9432+62#25550#25488
30K → 20M6011+49#25488#25439
20M → 21M4913+36#25439#25403
21M → 35K372+35#25403#25368
35K → 23M5614+42#25368#25326
23M → 24M556+49#25326#25277
24M → 40K414+37#25277#25240
40K → 25.2M302+28#25240#25212
25.2M → Finish545+49#25212#25163
TOTALS1001681+320
📊

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