Boston Marathon logo
BOSTON MARATHON 2023

Robert Burns

Bib: 25813•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:53
Rank: #1821
Start → 5K
19:53 | 6:24/mi
10K· 6.21 mi
39:18
Rank: #1670 (+151)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
59:34
Rank: #1967 (-297)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:20:38
Rank: #2385 (-418)
15K → 20K
21:04 | 6:47/mi
Half· 13.11 mi
1:25:08
Rank: #2431 (-46)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:23
Rank: #2553 (-122)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:02:48
Rank: #2687 (-134)
25K → 30K
21:25 | 6:54/mi
20M
2:12:21
Rank: #2738 (-51)
30K → 20M
9:33 | 7:02/mi
21M
2:19:44
Rank: #2771 (-33)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:25:01
Rank: #2874 (-103)
21M → 35K
5:17 | 7:04/mi
23M
2:33:48
Rank: #2897 (-23)
35K → 23M
8:47 | 7:01/mi
24M
2:40:47
Rank: #2967 (-70)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:46:49
Rank: #2987 (-20)
24M → 40K
6:02 | 7:03/mi
25.2M
2:49:26
Rank: #3004 (-17)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:56:34
Rank: #3075 (-71)
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
Time1:25:08
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:2419:536:2419:53
6:24
-
10K
6.21 mi11:54:4939:186:1919:25
6:15
-0:09
15K
9.32 mi12:15:0559:346:2320:16
6:31
+0:16
20K
12.43 mi12:36:091:20:386:2921:04
6:47
+0:16
Half
13.11 mi12:40:391:25:086:304:30
6:36
-0:11
25K
15.53 mi12:56:541:41:236:3216:15
6:42
+0:06
30K
18.64 mi13:18:192:02:486:3521:25
6:54
+0:12
20M
20.00 mi13:27:522:12:216:379:33
7:02
+0:08
21M
21.00 mi13:35:152:19:446:397:23
7:23
+0:21
35K
21.75 mi13:40:322:25:016:405:17
7:04
-0:19
23M
23.00 mi13:49:192:33:486:418:47
7:01
-0:03
24M
24.00 mi13:56:182:40:476:426:59
6:59
-0:02
40K
24.85 mi14:02:202:46:496:436:02
7:03
+0:04
25.2M
25.20 mi14:04:572:49:266:432:37
7:35
+0:32
Finish
26.22 mi14:12:052:56:346:447:08
7:00
-0:35

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

6:15 /mi

Average Pace

6:44 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:23

57% of race

Time at Steady Pace

1:05:11

37% of race

Time at Slower Pace

10:00

6% of race

Average Pace: 6:44 /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 mi11:35:2419:536:2419:53
6:24
#1821
10K
6.21 mi11:54:4939:186:1919:25
6:15
#1670
15K
9.32 mi12:15:0559:346:2320:16
6:31
#1967
20K
12.43 mi12:36:091:20:386:2921:04
6:47
#2385
Half
13.11 mi12:40:391:25:086:304:30
6:36
#2431
25K
15.53 mi12:56:541:41:236:3216:15
6:42
#2553
30K
18.64 mi13:18:192:02:486:3521:25
6:54
#2687
20M
20.00 mi13:27:522:12:216:379:33
7:02
#2738
21M
21.00 mi13:35:152:19:446:397:23
7:23
#2771
35K
21.75 mi13:40:322:25:016:405:17
7:04
#2874
23M
23.00 mi13:49:192:33:486:418:47
7:01
#2897
24M
24.00 mi13:56:182:40:476:426:59
6:59
#2967
40K
24.85 mi14:02:202:46:496:436:02
7:03
#2987
25.2M
25.20 mi14:04:572:49:266:432:37
7:35
#3004
Finish
26.22 mi14:12:052:56:346:447:08
7:00
#3075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1821173617362771(Top 10%)2647(Top 17%)2647(Top 50%)
10K6.21 mi3.10 mi1670+1511595+1411595+1411561(Top 6%)1493(Top 10%)1493(Top 28%)
15K9.32 mi3.11 mi1967-2971883-2881883-2882771(Top 10%)2647(Top 17%)2647(Top 50%)
20K12.43 mi3.11 mi2385-4182285-4022285-4024238(Top 16%)3966(Top 26%)3966(Top 75%)
Half13.11 mi0.68 mi2431-462330-452330-453373(Top 13%)3204(Top 21%)3204(Top 61%)
25K15.53 mi2.42 mi2553-1222445-1152445-1153359(Top 13%)3186(Top 21%)3186(Top 60%)
30K18.64 mi3.11 mi2687-1342567-1222567-1223600(Top 14%)3380(Top 22%)3380(Top 64%)
20M20.00 mi1.36 mi2738-512617-502617-504159(Top 16%)3838(Top 25%)3838(Top 73%)
21M21.00 mi1.00 mi2771-332649-322649-324036(Top 15%)3714(Top 24%)3714(Top 70%)
35K21.75 mi0.75 mi2874-1032739-902739-905623(Top 21%)4954(Top 33%)4954(Top 94%)
23M23.00 mi1.25 mi2897-232757-182757-183847(Top 14%)3544(Top 23%)3544(Top 67%)
24M24.00 mi1.00 mi2967-702819-622819-624566(Top 17%)4102(Top 27%)4102(Top 78%)
40K24.85 mi0.85 mi2987-202833-142833-144111(Top 15%)3672(Top 24%)3672(Top 69%)
25.2M25.20 mi0.35 mi3004-172848-152848-154248(Top 16%)3718(Top 24%)3718(Top 70%)
Finish26.22 mi1.02 mi3075-712912-642912-645165(Top 19%)4373(Top 29%)4373(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2771

Males

2647

M18-39

2647

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1561

Males

1493

M18-39

1493

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2771

Males

2647

M18-39

2647

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4238

Males

3966

M18-39

3966

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3373

Males

3204

M18-39

3204

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3359

Males

3186

M18-39

3186

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3600

Males

3380

M18-39

3380

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4159

Males

3838

M18-39

3838

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4036

Males

3714

M18-39

3714

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5623

Males

4954

M18-39

4954

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3847

Males

3544

M18-39

3544

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4566

Males

4102

M18-39

4102

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4111

Males

3672

M18-39

3672

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4248

Males

3718

M18-39

3718

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5165

Males

4373

M18-39

4373

Passing Analysis

Category:
Athletes Passed
454
Passed By
1708
Net Change
-1254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1821
5K → 10K18534+151#1821#1670
10K → 15K6303-297#1670#1967
15K → 20K9427-418#1967#2385
20K → Half147-46#2385#2431
Half → 25K21143-122#2431#2553
25K → 30K34168-134#2553#2687
30K → 20M2172-51#2687#2738
20M → 21M2861-33#2738#2771
21M → 35K9112-103#2771#2874
35K → 23M4871-23#2874#2897
23M → 24M2090-70#2897#2967
24M → 40K3151-20#2967#2987
40K → 25.2M1532-17#2987#3004
25.2M → Finish2697-71#3004#3075
TOTALS4541708-1254
📊

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