Boston Marathon logo
BOSTON MARATHON 2023

Tyler Brown

Bib: 26480•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

Start
0:00:00
Race begins
5K· 3.11 mi
26:49
Rank: #18425
Start → 5K
26:49 | 8:38/mi
10K· 6.21 mi
53:19
Rank: #18410 (+15)
5K → 10K
26:30 | 8:32/mi
15K· 9.32 mi
1:22:05
Rank: #19633 (-1223)
10K → 15K
28:46 | 9:16/mi
20K· 12.43 mi
1:49:49
Rank: #19519 (+114)
15K → 20K
27:44 | 8:56/mi
Half· 13.11 mi
1:55:52
Rank: #19537 (-18)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:18:04
Rank: #19561 (-24)
Half → 25K
22:12 | 9:09/mi
30K· 18.64 mi
2:48:40
Rank: #19808 (-247)
25K → 30K
30:36 | 9:51/mi
20M
3:03:16
Rank: #20104 (-296)
30K → 20M
14:36 | 10:45/mi
21M
3:16:36
Rank: #20550 (-446)
20M → 21M
13:20 | 13:20/mi
35K· 21.75 mi
3:28:02
Rank: #21187 (-637)
21M → 35K
11:26 | 15:17/mi
23M
3:46:22
Rank: #21858 (-671)
35K → 23M
18:20 | 14:39/mi
24M
4:00:03
Rank: #22184 (-326)
23M → 24M
13:41 | 13:41/mi
40K· 24.85 mi
4:09:24
Rank: #22193 (-9)
24M → 40K
9:21 | 10:56/mi
25.2M
4:13:04
Rank: #22148 (+45)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:23:46
Rank: #22185 (-37)
25.2M → Finish
10:42 | 10:30/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
Time1:55:52
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:27:54
Pace11:17 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3426:498:3826:49
8:38
-
10K
6.21 mi12:15:0453:198:3526:30
8:32
-0:06
15K
9.32 mi12:43:501:22:058:4828:46
9:16
+0:44
20K
12.43 mi13:11:341:49:498:5027:44
8:56
-0:20
Half
13.11 mi13:17:371:55:528:506:03
8:52
-0:04
25K
15.53 mi13:39:492:18:048:5322:12
9:09
+0:17
30K
18.64 mi14:10:252:48:409:0330:36
9:51
+0:42
20M
20.00 mi14:25:013:03:169:1014:36
10:45
+0:54
21M
21.00 mi14:38:213:16:369:2213:20
13:20
+2:35
35K
21.75 mi14:49:473:28:029:3411:26
15:17
+1:57
23M
23.00 mi15:08:073:46:229:5118:20
14:39
-0:38
24M
24.00 mi15:21:484:00:0310:0013:41
13:41
-0:58
40K
24.85 mi15:31:094:09:2410:029:21
10:56
-2:45
25.2M
25.20 mi15:34:494:13:0410:033:40
10:38
-0:18
Finish
26.22 mi15:45:314:23:4610:0410:42
10:30
-0:08

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

8:32 /mi

Average Pace

10:04 /mi

Slowest Pace

15:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:04

52% of race

Time at Steady Pace

1:08:55

26% of race

Time at Slower Pace

56:47

22% of race

Average Pace: 10:04 /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 mi11:48:3426:498:3826:49
8:38
#18425
10K
6.21 mi12:15:0453:198:3526:30
8:32
#18410
15K
9.32 mi12:43:501:22:058:4828:46
9:16
#19633
20K
12.43 mi13:11:341:49:498:5027:44
8:56
#19519
Half
13.11 mi13:17:371:55:528:506:03
8:52
#19537
25K
15.53 mi13:39:492:18:048:5322:12
9:09
#19561
30K
18.64 mi14:10:252:48:409:0330:36
9:51
#19808
20M
20.00 mi14:25:013:03:169:1014:36
10:45
#20104
21M
21.00 mi14:38:213:16:369:2213:20
13:20
#20550
35K
21.75 mi14:49:473:28:029:3411:26
15:17
#21187
23M
23.00 mi15:08:073:46:229:5118:20
14:39
#21858
24M
24.00 mi15:21:484:00:0310:0013:41
13:41
#22184
40K
24.85 mi15:31:094:09:2410:029:21
10:56
#22193
25.2M
25.20 mi15:34:494:13:0410:033:40
10:38
#22148
Finish
26.22 mi15:45:314:23:4610:0410:42
10:30
#22185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18425115781157821502(Top 81%)12982(Top 86%)12982(Top 246%)
10K6.21 mi3.10 mi18410+1511623-4511623-4518433(Top 69%)11684(Top 77%)11684(Top 221%)
15K9.32 mi3.11 mi19633-122312085-46212085-46221502(Top 81%)12982(Top 86%)12982(Top 246%)
20K12.43 mi3.11 mi19519+11412059+2612059+2619342(Top 73%)12034(Top 79%)12034(Top 228%)
Half13.11 mi0.68 mi19537-1812068-912068-919838(Top 75%)12251(Top 81%)12251(Top 232%)
25K15.53 mi2.42 mi19561-2412083-1512083-1519643(Top 74%)12130(Top 80%)12130(Top 230%)
30K18.64 mi3.11 mi19808-24712170-8712170-8720601(Top 77%)12471(Top 82%)12471(Top 236%)
20M20.00 mi1.36 mi20104-29612278-10812278-10822241(Top 84%)13107(Top 86%)13107(Top 248%)
21M21.00 mi1.00 mi20550-44612470-19212470-19224421(Top 92%)14095(Top 93%)14095(Top 267%)
35K21.75 mi0.75 mi21187-63712738-26812738-26826457(Top 99%)15083(Top 99%)15083(Top 285%)
23M23.00 mi1.25 mi21858-67113040-30213040-30226175(Top 98%)14924(Top 98%)14924(Top 282%)
24M24.00 mi1.00 mi22184-32613180-14013180-14025907(Top 97%)14763(Top 97%)14763(Top 279%)
40K24.85 mi0.85 mi22193-913177+313177+322213(Top 83%)12946(Top 85%)12946(Top 245%)
25.2M25.20 mi0.35 mi22148+4513152+2513152+2519498(Top 73%)11706(Top 77%)11706(Top 221%)
Finish26.22 mi1.02 mi22185-3713158-613158-622985(Top 86%)13325(Top 88%)13325(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21502

Males

12982

M18-39

12982

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18433

Males

11684

M18-39

11684

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21502

Males

12982

M18-39

12982

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19342

Males

12034

M18-39

12034

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19838

Males

12251

M18-39

12251

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19643

Males

12130

M18-39

12130

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20601

Males

12471

M18-39

12471

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22241

Males

13107

M18-39

13107

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24421

Males

14095

M18-39

14095

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26457

Males

15083

M18-39

15083

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26175

Males

14924

M18-39

14924

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

25907

Males

14763

M18-39

14763

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22213

Males

12946

M18-39

12946

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19498

Males

11706

M18-39

11706

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22985

Males

13325

M18-39

13325

Passing Analysis

Category:
Athletes Passed
936
Passed By
4696
Net Change
-3760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18425
5K → 10K333318+15#18425#18410
10K → 15K121235-1223#18410#19633
15K → 20K21096+114#19633#19519
20K → Half2240-18#19519#19537
Half → 25K114138-24#19537#19561
25K → 30K98345-247#19561#19808
30K → 20M24320-296#19808#20104
20M → 21M9455-446#20104#20550
21M → 35K3640-637#20550#21187
35K → 23M8679-671#21187#21858
23M → 24M2328-326#21858#22184
24M → 40K3140-9#22184#22193
40K → 25.2M472+45#22193#22148
25.2M → Finish2360-37#22148#22185
TOTALS9364696-3760
📊

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