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BOSTON MARATHON 2023

Brendan Reeves

Bib: 4337•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #2170
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:07
Rank: #2257 (-87)
5K → 10K
19:59 | 6:26/mi
15K· 9.32 mi
1:00:11
Rank: #2294 (-37)
10K → 15K
20:04 | 6:28/mi
20K· 12.43 mi
1:20:35
Rank: #2365 (-71)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:24:57
Rank: #2363 (+2)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:49
Rank: #2362 (+1)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:01:27
Rank: #2306 (+56)
25K → 30K
20:38 | 6:38/mi
20M
2:10:33
Rank: #2283 (+23)
30K → 20M
9:06 | 6:42/mi
21M
2:17:47
Rank: #2300 (-17)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:22:34
Rank: #2272 (+28)
21M → 35K
4:47 | 6:24/mi
23M
2:31:03
Rank: #2257 (+15)
35K → 23M
8:29 | 6:47/mi
24M
2:37:41
Rank: #2264 (-7)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:43:29
Rank: #2252 (+12)
24M → 40K
5:48 | 6:47/mi
25.2M
2:46:01
Rank: #2246 (+6)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:52:41
Rank: #2226 (+20)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:57
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3120:086:2920:08
6:29
-
10K
6.21 mi10:42:3040:076:2719:59
6:26
-0:03
15K
9.32 mi11:02:341:00:116:2720:04
6:28
+0:02
20K
12.43 mi11:22:581:20:356:2920:24
6:34
+0:06
Half
13.11 mi11:27:201:24:576:294:22
6:24
-0:10
25K
15.53 mi11:43:121:40:496:2915:52
6:33
+0:09
30K
18.64 mi12:03:502:01:276:3120:38
6:38
+0:05
20M
20.00 mi12:12:562:10:336:329:06
6:42
+0:04
21M
21.00 mi12:20:102:17:476:347:14
7:14
+0:32
35K
21.75 mi12:24:572:22:346:334:47
6:24
-0:50
23M
23.00 mi12:33:262:31:036:348:29
6:47
+0:23
24M
24.00 mi12:40:042:37:416:346:38
6:38
-0:09
40K
24.85 mi12:45:522:43:296:355:48
6:47
+0:09
25.2M
25.20 mi12:48:242:46:016:352:32
7:21
+0:34
Finish
26.22 mi12:55:042:52:416:356:40
6:33
-0:48

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

6:35 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:55

94% of race

Time at Steady Pace

9:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:3120:086:2920:08
6:29
#2170
10K
6.21 mi10:42:3040:076:2719:59
6:26
#2257
15K
9.32 mi11:02:341:00:116:2720:04
6:28
#2294
20K
12.43 mi11:22:581:20:356:2920:24
6:34
#2365
Half
13.11 mi11:27:201:24:576:294:22
6:24
#2363
25K
15.53 mi11:43:121:40:496:2915:52
6:33
#2362
30K
18.64 mi12:03:502:01:276:3120:38
6:38
#2306
20M
20.00 mi12:12:562:10:336:329:06
6:42
#2283
21M
21.00 mi12:20:102:17:476:347:14
7:14
#2300
35K
21.75 mi12:24:572:22:346:334:47
6:24
#2272
23M
23.00 mi12:33:262:31:036:348:29
6:47
#2257
24M
24.00 mi12:40:042:37:416:346:38
6:38
#2264
40K
24.85 mi12:45:522:43:296:355:48
6:47
#2252
25.2M
25.20 mi12:48:242:46:016:352:32
7:21
#2246
Finish
26.22 mi12:55:042:52:416:356:40
6:33
#2226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2170206920692405(Top 9%)2308(Top 15%)2308(Top 44%)
10K6.21 mi3.10 mi2257-872158-892158-892404(Top 9%)2302(Top 15%)2302(Top 44%)
15K9.32 mi3.11 mi2294-372197-392197-392405(Top 9%)2308(Top 15%)2308(Top 44%)
20K12.43 mi3.11 mi2365-712266-692266-692639(Top 10%)2523(Top 17%)2523(Top 48%)
Half13.11 mi0.68 mi2363+22265+12265+12227(Top 8%)2137(Top 14%)2137(Top 40%)
25K15.53 mi2.42 mi2362+12266-12266-12394(Top 9%)2293(Top 15%)2293(Top 43%)
30K18.64 mi3.11 mi2306+562212+542212+542146(Top 8%)2049(Top 14%)2049(Top 39%)
20M20.00 mi1.36 mi2283+232190+222190+222249(Top 8%)2138(Top 14%)2138(Top 40%)
21M21.00 mi1.00 mi2300-172203-132203-133252(Top 12%)3032(Top 20%)3032(Top 57%)
35K21.75 mi0.75 mi2272+282176+272176+271957(Top 7%)1861(Top 12%)1861(Top 35%)
23M23.00 mi1.25 mi2257+152161+152161+152499(Top 9%)2345(Top 15%)2345(Top 44%)
24M24.00 mi1.00 mi2264-72169-82169-82724(Top 10%)2533(Top 17%)2533(Top 48%)
40K24.85 mi0.85 mi2252+122161+82161+82723(Top 10%)2509(Top 17%)2509(Top 47%)
25.2M25.20 mi0.35 mi2246+62153+82153+83091(Top 12%)2814(Top 19%)2814(Top 53%)
Finish26.22 mi1.02 mi2226+202132+212132+212675(Top 10%)2447(Top 16%)2447(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2405

Males

2308

M18-39

2308

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2404

Males

2302

M18-39

2302

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2405

Males

2308

M18-39

2308

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2639

Males

2523

M18-39

2523

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2227

Males

2137

M18-39

2137

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2394

Males

2293

M18-39

2293

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2146

Males

2049

M18-39

2049

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2249

Males

2138

M18-39

2138

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3252

Males

3032

M18-39

3032

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1957

Males

1861

M18-39

1861

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2499

Males

2345

M18-39

2345

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2724

Males

2533

M18-39

2533

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2723

Males

2509

M18-39

2509

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3091

Males

2814

M18-39

2814

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2675

Males

2447

M18-39

2447

Passing Analysis

Category:
Athletes Passed
584
Passed By
640
Net Change
-56
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2170
5K → 10K72159-87#2170#2257
10K → 15K5693-37#2257#2294
15K → 20K42113-71#2294#2365
20K → Half1311+2#2365#2363
Half → 25K4847+1#2363#2362
25K → 30K9337+56#2362#2306
30K → 20M4421+23#2306#2283
20M → 21M3047-17#2283#2300
21M → 35K324+28#2300#2272
35K → 23M3722+15#2272#2257
23M → 24M3138-7#2257#2264
24M → 40K3018+12#2264#2252
40K → 25.2M1610+6#2252#2246
25.2M → Finish4020+20#2246#2226
TOTALS584640-56
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing