Boston Marathon logo
BOSTON MARATHON 2023

Adam Bracken

Bib: 5109•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3371
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
40:57
Rank: #3084 (+287)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:48
Rank: #3419 (-335)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:22:14
Rank: #3186 (+233)
15K → 20K
20:26 | 6:35/mi
Half· 13.11 mi
1:26:40
Rank: #3159 (+27)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:38
Rank: #3042 (+117)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:03:25
Rank: #2861 (+181)
25K → 30K
20:47 | 6:41/mi
20M
2:12:30
Rank: #2776 (+85)
30K → 20M
9:05 | 6:41/mi
21M
2:19:25
Rank: #2671 (+105)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:24:12
Rank: #2621 (+50)
21M → 35K
4:47 | 6:24/mi
23M
2:32:42
Rank: #2577 (+44)
35K → 23M
8:30 | 6:47/mi
24M
2:39:26
Rank: #2585 (-8)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:45:22
Rank: #2618 (-33)
24M → 40K
5:56 | 6:56/mi
25.2M
2:47:54
Rank: #2621 (-3)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:54:50
Rank: #2660 (-39)
25.2M → Finish
6:56 | 6:48/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
Time1:26:40
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:10
Pace6:44 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3920:436:4020:43
6:40
-
10K
6.21 mi10:43:5340:576:3520:14
6:31
-0:09
15K
9.32 mi11:04:441:01:486:3820:51
6:43
+0:12
20K
12.43 mi11:25:101:22:146:3720:26
6:35
-0:08
Half
13.11 mi11:29:361:26:406:374:26
6:30
-0:05
25K
15.53 mi11:45:341:42:386:3615:58
6:35
+0:05
30K
18.64 mi12:06:212:03:256:3720:47
6:41
+0:06
20M
20.00 mi12:15:262:12:306:379:05
6:41
0:00
21M
21.00 mi12:22:212:19:256:386:55
6:55
+0:14
35K
21.75 mi12:27:082:24:126:384:47
6:24
-0:31
23M
23.00 mi12:35:382:32:426:388:30
6:47
+0:23
24M
24.00 mi12:42:222:39:266:396:44
6:44
-0:03
40K
24.85 mi12:48:182:45:226:395:56
6:56
+0:12
25.2M
25.20 mi12:50:502:47:546:402:32
7:21
+0:25
Finish
26.22 mi12:57:462:54:506:406:56
6:48
-0:33

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

6:24 /mi

Average Pace

6:40 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:18

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:23:3920:436:4020:43
6:40
#3371
10K
6.21 mi10:43:5340:576:3520:14
6:31
#3084
15K
9.32 mi11:04:441:01:486:3820:51
6:43
#3419
20K
12.43 mi11:25:101:22:146:3720:26
6:35
#3186
Half
13.11 mi11:29:361:26:406:374:26
6:30
#3159
25K
15.53 mi11:45:341:42:386:3615:58
6:35
#3042
30K
18.64 mi12:06:212:03:256:3720:47
6:41
#2861
20M
20.00 mi12:15:262:12:306:379:05
6:41
#2776
21M
21.00 mi12:22:212:19:256:386:55
6:55
#2671
35K
21.75 mi12:27:082:24:126:384:47
6:24
#2621
23M
23.00 mi12:35:382:32:426:388:30
6:47
#2577
24M
24.00 mi12:42:222:39:266:396:44
6:44
#2585
40K
24.85 mi12:48:182:45:226:395:56
6:56
#2618
25.2M
25.20 mi12:50:502:47:546:402:32
7:21
#2621
Finish
26.22 mi12:57:462:54:506:406:56
6:48
#2660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3371317831784218(Top 16%)3955(Top 26%)3955(Top 75%)
10K6.21 mi3.10 mi3084+2872934+2442934+2442869(Top 11%)2741(Top 18%)2741(Top 52%)
15K9.32 mi3.11 mi3419-3353240-3063240-3064218(Top 16%)3955(Top 26%)3955(Top 75%)
20K12.43 mi3.11 mi3186+2333033+2073033+2072698(Top 10%)2580(Top 17%)2580(Top 49%)
Half13.11 mi0.68 mi3159+273009+243009+242770(Top 10%)2654(Top 17%)2654(Top 50%)
25K15.53 mi2.42 mi3042+1172903+1062903+1062624(Top 10%)2512(Top 17%)2512(Top 48%)
30K18.64 mi3.11 mi2861+1812736+1672736+1672349(Top 9%)2238(Top 15%)2238(Top 42%)
20M20.00 mi1.36 mi2776+852652+842652+842218(Top 8%)2110(Top 14%)2110(Top 40%)
21M21.00 mi1.00 mi2671+1052552+1002552+1001834(Top 7%)1746(Top 12%)1746(Top 33%)
35K21.75 mi0.75 mi2621+502506+462506+461973(Top 7%)1877(Top 12%)1877(Top 36%)
23M23.00 mi1.25 mi2577+442464+422464+422585(Top 10%)2426(Top 16%)2426(Top 46%)
24M24.00 mi1.00 mi2585-82470-62470-63267(Top 12%)3022(Top 20%)3022(Top 57%)
40K24.85 mi0.85 mi2618-332499-292499-293505(Top 13%)3184(Top 21%)3184(Top 60%)
25.2M25.20 mi0.35 mi2621-32501-22501-23111(Top 12%)2834(Top 19%)2834(Top 54%)
Finish26.22 mi1.02 mi2660-392536-352536-354059(Top 15%)3580(Top 24%)3580(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4218

Males

3955

M18-39

3955

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2869

Males

2741

M18-39

2741

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4218

Males

3955

M18-39

3955

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2698

Males

2580

M18-39

2580

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2770

Males

2654

M18-39

2654

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2624

Males

2512

M18-39

2512

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2349

Males

2238

M18-39

2238

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2218

Males

2110

M18-39

2110

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1834

Males

1746

M18-39

1746

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1973

Males

1877

M18-39

1877

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2585

Males

2426

M18-39

2426

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3267

Males

3022

M18-39

3022

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3505

Males

3184

M18-39

3184

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3111

Males

2834

M18-39

2834

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4059

Males

3580

M18-39

3580

Passing Analysis

Category:
Athletes Passed
1371
Passed By
660
Net Change
+711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3371
5K → 10K33750+287#3371#3084
10K → 15K20355-335#3084#3419
15K → 20K24411+233#3419#3186
20K → Half3811+27#3186#3159
Half → 25K12811+117#3159#3042
25K → 30K19110+181#3042#2861
30K → 20M883+85#2861#2776
20M → 21M1094+105#2776#2671
21M → 35K522+50#2671#2621
35K → 23M7329+44#2621#2577
23M → 24M3240-8#2577#2585
24M → 40K2962-33#2585#2618
40K → 25.2M710-3#2618#2621
25.2M → Finish2362-39#2621#2660
TOTALS1371660+711
📊

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