Boston Marathon logo
BOSTON MARATHON 2023

Sam Brune

Bib: 24840•M

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:08
Rank: #21738
Start → 5K
29:08 | 9:23/mi
10K· 6.21 mi
57:50
Rank: #21748 (-10)
5K → 10K
28:42 | 9:14/mi
15K· 9.32 mi
1:23:47
Rank: #20514 (+1234)
10K → 15K
25:57 | 8:21/mi
20K· 12.43 mi
1:50:28
Rank: #19804 (+710)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:56:06
Rank: #19632 (+172)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:16:43
Rank: #19089 (+543)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:44:40
Rank: #18755 (+334)
25K → 30K
27:57 | 9:00/mi
20M
2:56:58
Rank: #18596 (+159)
30K → 20M
12:18 | 9:03/mi
21M
3:06:19
Rank: #18381 (+215)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:12:46
Rank: #18291 (+90)
21M → 35K
6:27 | 8:37/mi
23M
3:24:11
Rank: #18191 (+100)
35K → 23M
11:25 | 9:07/mi
24M
3:33:05
Rank: #18140 (+51)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:40:51
Rank: #18078 (+62)
24M → 40K
7:46 | 9:05/mi
25.2M
3:44:13
Rank: #18055 (+23)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:52:51
Rank: #17947 (+108)
25.2M → Finish
8:38 | 8:28/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
Time1:56:06
Pace8:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:45
Pace8:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4929:089:2329:08
9:23
-
10K
6.21 mi12:20:3157:509:1828:42
9:14
-0:09
15K
9.32 mi12:46:281:23:478:5925:57
8:21
-0:53
20K
12.43 mi13:13:091:50:288:5326:41
8:35
+0:14
Half
13.11 mi13:18:471:56:068:515:38
8:15
-0:20
25K
15.53 mi13:39:242:16:438:4820:37
8:30
+0:15
30K
18.64 mi14:07:212:44:408:5027:57
9:00
+0:30
20M
20.00 mi14:19:392:56:588:5112:18
9:03
+0:03
21M
21.00 mi14:29:003:06:198:529:21
9:21
+0:18
35K
21.75 mi14:35:273:12:468:526:27
8:37
-0:44
23M
23.00 mi14:46:523:24:118:5311:25
9:07
+0:30
24M
24.00 mi14:55:463:33:058:538:54
8:54
-0:13
40K
24.85 mi15:03:323:40:518:537:46
9:05
+0:11
25.2M
25.20 mi15:06:543:44:138:543:22
9:46
+0:41
Finish
26.22 mi15:15:323:52:518:538:38
8:28
-1:18

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

8:15 /mi

Average Pace

8:53 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:07

61% of race

Time at Steady Pace

1:26:22

37% of race

Time at Slower Pace

3:22

1% of race

Average Pace: 8:53 /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 mi11:51:4929:089:2329:08
9:23
#21738
10K
6.21 mi12:20:3157:509:1828:42
9:14
#21748
15K
9.32 mi12:46:281:23:478:5925:57
8:21
#20514
20K
12.43 mi13:13:091:50:288:5326:41
8:35
#19804
Half
13.11 mi13:18:471:56:068:515:38
8:15
#19632
25K
15.53 mi13:39:242:16:438:4820:37
8:30
#19089
30K
18.64 mi14:07:212:44:408:5027:57
9:00
#18755
20M
20.00 mi14:19:392:56:588:5112:18
9:03
#18596
21M
21.00 mi14:29:003:06:198:529:21
9:21
#18381
35K
21.75 mi14:35:273:12:468:526:27
8:37
#18291
23M
23.00 mi14:46:523:24:118:5311:25
9:07
#18191
24M
24.00 mi14:55:463:33:058:538:54
8:54
#18140
40K
24.85 mi15:03:323:40:518:537:46
9:05
#18078
25.2M
25.20 mi15:06:543:44:138:543:22
9:46
#18055
Finish
26.22 mi15:15:323:52:518:538:38
8:28
#17947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21738129551295516859(Top 63%)11012(Top 73%)11012(Top 208%)
10K6.21 mi3.10 mi21748-1013009-5413009-5421727(Top 82%)13031(Top 86%)13031(Top 247%)
15K9.32 mi3.11 mi20514+123412471+53812471+53816859(Top 63%)11012(Top 73%)11012(Top 208%)
20K12.43 mi3.11 mi19804+71012179+29212179+29217414(Top 65%)11221(Top 74%)11221(Top 212%)
Half13.11 mi0.68 mi19632+17212109+7012109+7016185(Top 61%)10770(Top 71%)10770(Top 204%)
25K15.53 mi2.42 mi19089+54311901+20811901+20816214(Top 61%)10629(Top 70%)10629(Top 201%)
30K18.64 mi3.11 mi18755+33411731+17011731+17017146(Top 64%)10970(Top 72%)10970(Top 208%)
20M20.00 mi1.36 mi18596+15911645+8611645+8616797(Top 63%)10748(Top 71%)10748(Top 203%)
21M21.00 mi1.00 mi18381+21511542+10311542+10315249(Top 57%)10042(Top 66%)10042(Top 190%)
35K21.75 mi0.75 mi18291+9011497+4511497+4515957(Top 60%)10280(Top 68%)10280(Top 195%)
23M23.00 mi1.25 mi18191+10011448+4911448+4916615(Top 62%)10508(Top 69%)10508(Top 199%)
24M24.00 mi1.00 mi18140+5111409+3911409+3916758(Top 63%)10513(Top 69%)10513(Top 199%)
40K24.85 mi0.85 mi18078+6211375+3411375+3416558(Top 62%)10383(Top 68%)10383(Top 196%)
25.2M25.20 mi0.35 mi18055+2311357+1811357+1816347(Top 61%)10270(Top 68%)10270(Top 194%)
Finish26.22 mi1.02 mi17947+10811303+5411303+5415230(Top 57%)9836(Top 65%)9836(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16859

Males

11012

M18-39

11012

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21727

Males

13031

M18-39

13031

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16859

Males

11012

M18-39

11012

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17414

Males

11221

M18-39

11221

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16185

Males

10770

M18-39

10770

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16214

Males

10629

M18-39

10629

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17146

Males

10970

M18-39

10970

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16797

Males

10748

M18-39

10748

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15249

Males

10042

M18-39

10042

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15957

Males

10280

M18-39

10280

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16615

Males

10508

M18-39

10508

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16758

Males

10513

M18-39

10513

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16558

Males

10383

M18-39

10383

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16347

Males

10270

M18-39

10270

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15230

Males

9836

M18-39

9836

Passing Analysis

Category:
Athletes Passed
4252
Passed By
461
Net Change
+3791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21738
5K → 10K272282-10#21738#21748
10K → 15K12351+1234#21748#20514
15K → 20K7155+710#20514#19804
20K → Half1720+172#19804#19632
Half → 25K5463+543#19632#19089
25K → 30K36531+334#19089#18755
30K → 20M17718+159#18755#18596
20M → 21M22611+215#18596#18381
21M → 35K955+90#18381#18291
35K → 23M13232+100#18291#18191
23M → 24M8231+51#18191#18140
24M → 40K7715+62#18140#18078
40K → 25.2M3613+23#18078#18055
25.2M → Finish12214+108#18055#17947
TOTALS4252461+3791
📊

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