Boston Marathon logo
BOSTON MARATHON 2023

Rory Buckman

Bib: 1850•M

BC

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 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:32
Rank: #628
Start → 5K
18:32 | 5:58/mi
10K· 6.21 mi
37:08
Rank: #683 (-55)
5K → 10K
18:36 | 5:59/mi
15K· 9.32 mi
55:57
Rank: #730 (-47)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:14:47
Rank: #698 (+32)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:18:52
Rank: #698
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:37
Rank: #698
Half → 25K
14:45 | 6:05/mi
30K· 18.64 mi
1:53:09
Rank: #713 (-15)
25K → 30K
19:32 | 6:17/mi
20M
2:01:46
Rank: #721 (-8)
30K → 20M
8:37 | 6:20/mi
21M
2:08:33
Rank: #737 (-16)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:13:03
Rank: #731 (+6)
21M → 35K
4:30 | 6:01/mi
23M
2:21:08
Rank: #752 (-21)
35K → 23M
8:05 | 6:27/mi
24M
2:27:46
Rank: #772 (-20)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:33:44
Rank: #808 (-36)
24M → 40K
5:58 | 6:59/mi
25.2M
2:36:24
Rank: #837 (-29)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:43:32
Rank: #907 (-70)
25.2M → Finish
7:08 | 7:00/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 HalfFaster
Distance13.11 mi
Time1:18:52
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:24:40
Pace6:28 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0518:325:5818:32
5:58
-
10K
6.21 mi10:37:4137:085:5918:36
5:59
+0:01
15K
9.32 mi10:56:3055:576:0018:49
6:03
+0:04
20K
12.43 mi11:15:201:14:476:0118:50
6:04
+0:01
Half
13.11 mi11:19:251:18:526:014:05
5:59
-0:05
25K
15.53 mi11:34:101:33:376:0214:45
6:05
+0:06
30K
18.64 mi11:53:421:53:096:0419:32
6:17
+0:12
20M
20.00 mi12:02:192:01:466:058:37
6:20
+0:03
21M
21.00 mi12:09:062:08:336:076:47
6:47
+0:27
35K
21.75 mi12:13:362:13:036:074:30
6:01
-0:46
23M
23.00 mi12:21:412:21:086:088:05
6:27
+0:26
24M
24.00 mi12:28:192:27:466:096:38
6:38
+0:11
40K
24.85 mi12:34:172:33:446:115:58
6:59
+0:21
25.2M
25.20 mi12:36:572:36:246:122:40
7:44
+0:45
Finish
26.22 mi12:44:052:43:326:157:08
7:00
-0:44

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

5:58 /mi

Average Pace

6:15 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:43

28% of race

Time at Steady Pace

1:28:38

54% of race

Time at Slower Pace

29:11

18% 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 mi10:19:0518:325:5818:32
5:58
#628
10K
6.21 mi10:37:4137:085:5918:36
5:59
#683
15K
9.32 mi10:56:3055:576:0018:49
6:03
#730
20K
12.43 mi11:15:201:14:476:0118:50
6:04
#698
Half
13.11 mi11:19:251:18:526:014:05
5:59
#698
25K
15.53 mi11:34:101:33:376:0214:45
6:05
#698
30K
18.64 mi11:53:421:53:096:0419:32
6:17
#713
20M
20.00 mi12:02:192:01:466:058:37
6:20
#721
21M
21.00 mi12:09:062:08:336:076:47
6:47
#737
35K
21.75 mi12:13:362:13:036:074:30
6:01
#731
23M
23.00 mi12:21:412:21:086:088:05
6:27
#752
24M
24.00 mi12:28:192:27:466:096:38
6:38
#772
40K
24.85 mi12:34:172:33:446:115:58
6:59
#808
25.2M
25.20 mi12:36:572:36:246:122:40
7:44
#837
Finish
26.22 mi12:44:052:43:326:157:08
7:00
#907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi628584584835(Top 3%)789(Top 5%)789(Top 15%)
10K6.21 mi3.10 mi683-55639-55639-55764(Top 3%)720(Top 5%)720(Top 14%)
15K9.32 mi3.11 mi730-47686-47686-47835(Top 3%)789(Top 5%)789(Top 15%)
20K12.43 mi3.11 mi698+32655+31655+31692(Top 3%)650(Top 4%)650(Top 12%)
Half13.11 mi0.68 mi698655655731(Top 3%)690(Top 5%)690(Top 13%)
25K15.53 mi2.42 mi698656-1656-1713(Top 3%)672(Top 4%)672(Top 13%)
30K18.64 mi3.11 mi713-15671-15671-15883(Top 3%)841(Top 6%)841(Top 16%)
20M20.00 mi1.36 mi721-8679-8679-8962(Top 4%)919(Top 6%)919(Top 17%)
21M21.00 mi1.00 mi737-16695-16695-161342(Top 5%)1279(Top 8%)1279(Top 24%)
35K21.75 mi0.75 mi731+6689+6689+6723(Top 3%)683(Top 5%)683(Top 13%)
23M23.00 mi1.25 mi752-21709-20709-201273(Top 5%)1204(Top 8%)1204(Top 23%)
24M24.00 mi1.00 mi772-20729-20729-202697(Top 10%)2506(Top 17%)2506(Top 47%)
40K24.85 mi0.85 mi808-36763-34763-343679(Top 14%)3320(Top 22%)3320(Top 63%)
25.2M25.20 mi0.35 mi837-29792-29792-294920(Top 18%)4197(Top 28%)4197(Top 79%)
Finish26.22 mi1.02 mi907-70860-68860-685155(Top 19%)4363(Top 29%)4363(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

835

Males

789

M18-39

789

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

764

Males

720

M18-39

720

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

835

Males

789

M18-39

789

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

692

Males

650

M18-39

650

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

731

Males

690

M18-39

690

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

713

Males

672

M18-39

672

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

883

Males

841

M18-39

841

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

962

Males

919

M18-39

919

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1342

Males

1279

M18-39

1279

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

723

Males

683

M18-39

683

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1273

Males

1204

M18-39

1204

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2697

Males

2506

M18-39

2506

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3679

Males

3320

M18-39

3320

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4920

Males

4197

M18-39

4197

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5155

Males

4363

M18-39

4363

Passing Analysis

Category:
Athletes Passed
145
Passed By
424
Net Change
-279
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#628
5K → 10K964-55#628#683
10K → 15K754-47#683#730
15K → 20K364+32#730#698
20K → Half660#698#698
Half → 25K17170#698#698
25K → 30K1631-15#698#713
30K → 20M917-8#713#721
20M → 21M1026-16#721#737
21M → 35K148+6#737#731
35K → 23M627-21#731#752
23M → 24M424-20#752#772
24M → 40K440-36#772#808
40K → 25.2M433-29#808#837
25.2M → Finish373-70#837#907
TOTALS145424-279
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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