Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Colin Slavin

Bib: 2772 β€’M β€’Age: N/A

CT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 8%
Age Group (M18-39)
#0 / 5723
Top 20%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
18:11
3.11 mi
Rank: #744
Start β†’ 5K
18:11 | 5:52/mi
10K
36:10
6.21 mi
Rank: #702 (+42)
5K β†’ 10K
17:59 | 5:48/mi
15K
54:08
9.32 mi
Rank: #670 (+32)
10K β†’ 15K
17:58 | 5:47/mi
20K
1:12:13
12.43 mi
Rank: #645 (+25)
15K β†’ 20K
18:05 | 5:50/mi
HALF
1:16:05
13.11 mi
Rank: #636 (+9)
20K β†’ HALF
3:52 | 5:41/mi
25K
1:30:12
15.53 mi
Rank: #613 (+23)
HALF β†’ 25K
14:07 | 5:50/mi
30K
1:48:50
18.64 mi
Rank: #610 (+3)
25K β†’ 30K
18:38 | 6:00/mi
20M
1:58:18
20.00 mi
Rank: #752 (-142)
30K β†’ 20M
9:28 | 6:59/mi
21M
2:05:14
21.00 mi
Rank: #825 (-73)
20M β†’ 21M
6:56 | 6:56/mi
35K
2:10:11
21.75 mi
Rank: #909 (-84)
21M β†’ 35K
4:57 | 6:37/mi
23M
2:19:05
23.00 mi
Rank: #1062 (-153)
35K β†’ 23M
8:54 | 7:07/mi
24M
2:25:55
24.00 mi
Rank: #1172 (-110)
23M β†’ 24M
6:50 | 6:50/mi
40K
2:31:49
24.85 mi
Rank: #1257 (-85)
24M β†’ 40K
5:54 | 6:55/mi
25.2M
2:34:33
25.20 mi
Rank: #1308 (-51)
40K β†’ 25.2M
2:44 | 7:56/mi
FINISH
2:41:19
26.22 mi
Rank: #1376 (-68)
25.2M β†’ FINISH
6:46 | 6:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:16:05
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:25:14
Pace6:31 /mi
πŸ“ŠPositive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0218:115:5218:11
5:52
-
10K
6.21 mi10:37:0136:105:5017:59
5:48
-0:04
15K
9.32 mi10:54:5954:085:4917:58
5:47
-0:01
20K
12.43 mi11:13:041:12:135:4918:05
5:50
+0:03
HALF
13.11 mi11:16:561:16:055:493:52
5:41
-0:09
25K
15.53 mi11:31:031:30:125:4914:07
5:50
+0:09
30K
18.64 mi11:49:411:48:505:5118:38
6:00
+0:10
20M
20.00 mi11:59:091:58:185:559:28
6:59
+0:59
21M
21.00 mi12:06:052:05:145:586:56
6:56
-0:03
35K
21.75 mi12:11:022:10:116:004:57
6:37
-0:19
23M
23.00 mi12:19:562:19:056:038:54
7:07
+0:30
24M
24.00 mi12:26:462:25:556:056:50
6:50
-0:17
40K
24.85 mi12:32:402:31:496:075:54
6:55
+0:05
25.2M
25.20 mi12:35:242:34:336:082:44
7:56
+1:01
FINISH
26.22 mi12:42:102:41:196:106:46
6:39
-1:17

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

5:41 /mi

Average Pace

6:09 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:48:50

67% of race

Time at Steady Pace

31:23

19% of race

Time at Slower Pace

21:06

13% of race

Average Pace: 6:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:19:0218:115:5218:11
5:52
#744
10K
6.21 mi10:37:0136:105:5017:59
5:48
#702
15K
9.32 mi10:54:5954:085:4917:58
5:47
#670
20K
12.43 mi11:13:041:12:135:4918:05
5:50
#645
HALF
13.11 mi11:16:561:16:055:493:52
5:41
#636
25K
15.53 mi11:31:031:30:125:4914:07
5:50
#613
30K
18.64 mi11:49:411:48:505:5118:38
6:00
#610
20M
20.00 mi11:59:091:58:185:559:28
6:59
#752
21M
21.00 mi12:06:052:05:145:586:56
6:56
#825
35K
21.75 mi12:11:022:10:116:004:57
6:37
#909
23M
23.00 mi12:19:562:19:056:038:54
7:07
#1062
24M
24.00 mi12:26:462:25:556:056:50
6:50
#1172
40K
24.85 mi12:32:402:31:496:075:54
6:55
#1257
25.2M
25.20 mi12:35:242:34:336:082:44
7:56
#1308
FINISH
26.22 mi12:42:102:41:196:106:46
6:39
#1376
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi744705705643(Top 2%)612(Top 4%)612(Top 11%)
10K6.21 mi3.10 mi702+42667+38667+38661(Top 2%)634(Top 4%)634(Top 11%)
15K9.32 mi3.11 mi670+32636+31636+31643(Top 2%)612(Top 4%)612(Top 11%)
20K12.43 mi3.11 mi645+25614+22614+22612(Top 2%)586(Top 4%)586(Top 10%)
HALF13.11 mi0.68 mi636+9605+9605+9464(Top 2%)442(Top 3%)442(Top 8%)
25K15.53 mi2.42 mi613+23586+19586+19577(Top 2%)554(Top 3%)554(Top 10%)
30K18.64 mi3.11 mi610+3583+3583+3686(Top 2%)659(Top 4%)659(Top 12%)
20M20.00 mi1.36 mi752-142718-135718-1355296(Top 18%)4717(Top 29%)4717(Top 82%)
21M21.00 mi1.00 mi825-73789-71789-713039(Top 10%)2820(Top 17%)2820(Top 49%)
35K21.75 mi0.75 mi909-84870-81870-814282(Top 15%)3844(Top 24%)3844(Top 67%)
23M23.00 mi1.25 mi1062-1531017-1471017-1476165(Top 21%)5203(Top 32%)5203(Top 91%)
24M24.00 mi1.00 mi1172-1101126-1091126-1095317(Top 18%)4550(Top 28%)4550(Top 80%)
40K24.85 mi0.85 mi1257-851209-831209-834789(Top 17%)4115(Top 25%)4115(Top 72%)
25.2M25.20 mi0.35 mi1308-511257-481257-487756(Top 27%)5926(Top 36%)5926(Top 104%)
FINISH26.22 mi1.02 mi1376-681323-661323-664979(Top 17%)4158(Top 25%)4158(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
Γ—21
+97ft-345ft

Overall

643

Males

612

M18-39

612

5K→10K

3.1 - 6.2 mi

Top 2%
Γ—5
+79ft-138ft

Overall

661

Males

634

M18-39

634

10K→15K

6.2 - 9.3 mi

Top 2%
Γ—3
+67ft-78ft

Overall

643

Males

612

M18-39

612

15K→20K

9.3 - 12.4 mi

Top 2%
Γ—5
+106ft-86ft

Overall

612

Males

586

M18-39

586

20K→HALF

12.4 - 13.1 mi

Top 2%
Γ—2
+19ft-37ft

Overall

464

Males

442

M18-39

442

HALF→25K

13.1 - 15.5 mi

Top 2%
Γ—4
+66ft-88ft

Overall

577

Males

554

M18-39

554

25K→30K

15.5 - 18.6 mi

Top 2%
Γ—9
+181ft-148ft

Overall

686

Males

659

M18-39

659

30K→20M

18.6 - 20.0 mi

Top 18%
Γ—5
+64ft-50ft

Overall

5296

Males

4717

M18-39

4717

20M→21M

20.0 - 21.0 mi

Top 10%
Γ—8
+106ft-24ft

Overall

3039

Males

2820

M18-39

2820

21M→35K

21.0 - 21.8 mi

Top 15%
Γ—7
+17ft-86ft

Overall

4282

Males

3844

M18-39

3844

35K→23M

21.8 - 23.0 mi

Top 21%
Γ—5
+23ft-63ft

Overall

6165

Males

5203

M18-39

5203

23M→24M

23.0 - 24.0 mi

Top 18%
Γ—6
+12ft-82ft

Overall

5317

Males

4550

M18-39

4550

24M→40K

24.0 - 24.9 mi

Top 17%
Γ—1
+6ft-20ft

Overall

4789

Males

4115

M18-39

4115

40K→25.2M

24.9 - 25.2 mi

Top 27%
Γ—1
+13ft-16ft

Overall

7756

Males

5926

M18-39

5926

25.2M→FINISH

25.2 - 26.2 mi

Top 17%
Γ—2
+22ft-21ft

Overall

4979

Males

4158

M18-39

4158

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
240
Passed By
872
Net Change
-632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#744
5K β†’ 10K6826+42#744#702
10K β†’ 15K4311+32#702#670
15K β†’ 20K3914+25#670#645
20K β†’ HALF90+9#645#636
HALF β†’ 25K318+23#636#613
25K β†’ 30K2724+3#613#610
30K β†’ 20M0142-142#610#752
20M β†’ 21M376-73#752#825
21M β†’ 35K488-84#825#909
35K β†’ 23M6159-153#909#1062
23M β†’ 24M2112-110#1062#1172
24M β†’ 40K489-85#1172#1257
40K β†’ 25.2M051-51#1257#1308
25.2M β†’ FINISH472-68#1308#1376
TOTALS240872-632
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

AI Key Insights

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Activity Data

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