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BOSTON MARATHON 2023

Brendan Collins

Bib: 4136•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Age Group (M40-44)
#0 / 2241
Top 16%
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
20:23
Rank: #2614
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:42
Rank: #2794 (-180)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:57
Rank: #2756 (+38)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:21:16
Rank: #2665 (+91)
15K → 20K
20:19 | 6:32/mi
Half· 13.11 mi
1:25:44
Rank: #2679 (-14)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:33
Rank: #2611 (+68)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:02:26
Rank: #2562 (+49)
25K → 30K
20:53 | 6:43/mi
20M
2:11:40
Rank: #2556 (+6)
30K → 20M
9:14 | 6:48/mi
21M
2:18:53
Rank: #2552 (+4)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:23:45
Rank: #2518 (+34)
21M → 35K
4:52 | 6:30/mi
23M
2:32:23
Rank: #2499 (+19)
35K → 23M
8:38 | 6:54/mi
24M
2:39:11
Rank: #2528 (-29)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:45:12
Rank: #2574 (-46)
24M → 40K
6:01 | 7:02/mi
25.2M
2:47:50
Rank: #2608 (-34)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:54:45
Rank: #2636 (-28)
25.2M → Finish
6:55 | 6:47/mi
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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:44
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0120:236:3420:23
6:34
-
10K
6.21 mi10:42:2040:426:3320:19
6:32
-0:02
15K
9.32 mi11:02:351:00:576:3220:15
6:31
-0:01
20K
12.43 mi11:22:541:21:166:3220:19
6:32
+0:01
Half
13.11 mi11:27:221:25:446:324:28
6:33
+0:01
25K
15.53 mi11:43:111:41:336:3215:49
6:31
-0:02
30K
18.64 mi12:04:042:02:266:3420:53
6:43
+0:12
20M
20.00 mi12:13:182:11:406:359:14
6:48
+0:05
21M
21.00 mi12:20:312:18:536:377:13
7:13
+0:25
35K
21.75 mi12:25:232:23:456:374:52
6:30
-0:43
23M
23.00 mi12:34:012:32:236:388:38
6:54
+0:24
24M
24.00 mi12:40:492:39:116:386:48
6:48
-0:06
40K
24.85 mi12:46:502:45:126:396:01
7:02
+0:14
25.2M
25.20 mi12:49:282:47:506:402:38
7:38
+0:36
Finish
26.22 mi12:56:232:54:456:406:55
6:47
-0:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:30 /mi

Average Pace

6:40 /mi

Slowest Pace

7:38 /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

2:44:54

94% of race

Time at Steady Pace

9:51

6% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:0120:236:3420:23
6:34
#2614
10K
6.21 mi10:42:2040:426:3320:19
6:32
#2794
15K
9.32 mi11:02:351:00:576:3220:15
6:31
#2756
20K
12.43 mi11:22:541:21:166:3220:19
6:32
#2665
Half
13.11 mi11:27:221:25:446:324:28
6:33
#2679
25K
15.53 mi11:43:111:41:336:3215:49
6:31
#2611
30K
18.64 mi12:04:042:02:266:3420:53
6:43
#2562
20M
20.00 mi12:13:182:11:406:359:14
6:48
#2556
21M
21.00 mi12:20:312:18:536:377:13
7:13
#2552
35K
21.75 mi12:25:232:23:456:374:52
6:30
#2518
23M
23.00 mi12:34:012:32:236:388:38
6:54
#2499
24M
24.00 mi12:40:492:39:116:386:48
6:48
#2528
40K
24.85 mi12:46:502:45:126:396:01
7:02
#2574
25.2M
25.20 mi12:49:282:47:506:402:38
7:38
#2608
Finish
26.22 mi12:56:232:54:456:406:55
6:47
#2636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2614249124912739(Top 10%)2616(Top 17%)2616(Top 117%)
10K6.21 mi3.10 mi2794-1802664-1732664-1733030(Top 11%)2891(Top 19%)2891(Top 129%)
15K9.32 mi3.11 mi2756+382631+332631+332739(Top 10%)2616(Top 17%)2616(Top 117%)
20K12.43 mi3.11 mi2665+912546+852546+852515(Top 9%)2408(Top 16%)2408(Top 107%)
Half13.11 mi0.68 mi2679-142560-142560-143041(Top 11%)2906(Top 19%)2906(Top 130%)
25K15.53 mi2.42 mi2611+682497+632497+632296(Top 9%)2202(Top 15%)2202(Top 98%)
30K18.64 mi3.11 mi2562+492449+482449+482520(Top 9%)2397(Top 16%)2397(Top 107%)
20M20.00 mi1.36 mi2556+62443+62443+62762(Top 10%)2609(Top 17%)2609(Top 116%)
21M21.00 mi1.00 mi2552+4244324433184(Top 12%)2970(Top 20%)2970(Top 133%)
35K21.75 mi0.75 mi2518+342410+332410+332436(Top 9%)2308(Top 15%)2308(Top 103%)
23M23.00 mi1.25 mi2499+192390+202390+203178(Top 12%)2955(Top 19%)2955(Top 132%)
24M24.00 mi1.00 mi2528-292416-262416-263623(Top 14%)3322(Top 22%)3322(Top 148%)
40K24.85 mi0.85 mi2574-462457-412457-413995(Top 15%)3577(Top 24%)3577(Top 160%)
25.2M25.20 mi0.35 mi2608-342488-312488-314466(Top 17%)3879(Top 26%)3879(Top 173%)
Finish26.22 mi1.02 mi2636-282512-242512-243976(Top 15%)3515(Top 23%)3515(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2739

Males

2616

M40-44

2616

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3030

Males

2891

M40-44

2891

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2739

Males

2616

M40-44

2616

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2515

Males

2408

M40-44

2408

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3041

Males

2906

M40-44

2906

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2296

Males

2202

M40-44

2202

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2520

Males

2397

M40-44

2397

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2762

Males

2609

M40-44

2609

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3184

Males

2970

M40-44

2970

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2436

Males

2308

M40-44

2308

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3178

Males

2955

M40-44

2955

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3623

Males

3322

M40-44

3322

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3995

Males

3577

M40-44

3577

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4466

Males

3879

M40-44

3879

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3976

Males

3515

M40-44

3515

Passing Analysis

Category:
Athletes Passed
724
Passed By
746
Net Change
-22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2614
5K → 10K83263-180#2614#2794
10K → 15K10365+38#2794#2756
15K → 20K12332+91#2756#2665
20K → Half721-14#2665#2679
Half → 25K8113+68#2679#2611
25K → 30K9142+49#2611#2562
30K → 20M4438+6#2562#2556
20M → 21M3935+4#2556#2552
21M → 35K373+34#2552#2518
35K → 23M4728+19#2518#2499
23M → 24M1847-29#2499#2528
24M → 40K1965-46#2528#2574
40K → 25.2M943-34#2574#2608
25.2M → Finish2351-28#2608#2636
TOTALS724746-22
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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