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BOSTON MARATHON 2023

Kirby Cool

Bib: 3745•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
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
20:52
Rank: #3825
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:07
Rank: #3292 (+533)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:01:14
Rank: #2973 (+319)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:21:31
Rank: #2800 (+173)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:25:59
Rank: #2804 (-4)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:08
Rank: #2830 (-26)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:06:54
Rank: #4374 (-1544)
25K → 30K
24:46 | 7:58/mi
20M
2:16:20
Rank: #4296 (+78)
30K → 20M
9:26 | 6:57/mi
21M
2:23:40
Rank: #4237 (+59)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:28:51
Rank: #4256 (-19)
21M → 35K
5:11 | 6:56/mi
23M
2:39:32
Rank: #4829 (-573)
35K → 23M
10:41 | 8:32/mi
24M
2:46:59
Rank: #4903 (-74)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:54:19
Rank: #5133 (-230)
24M → 40K
7:20 | 8:35/mi
25.2M
2:58:50
Rank: #5542 (-409)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
3:06:22
Rank: #5557 (-15)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:59
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3320:526:4320:52
6:43
-
10K
6.21 mi10:42:4841:076:3720:15
6:31
-0:12
15K
9.32 mi11:02:551:01:146:3420:07
6:28
-0:03
20K
12.43 mi11:23:121:21:316:3420:17
6:32
+0:04
Half
13.11 mi11:27:401:25:596:344:28
6:33
+0:01
25K
15.53 mi11:43:491:42:086:3416:09
6:40
+0:07
30K
18.64 mi12:08:352:06:546:4824:46
7:58
+1:18
20M
20.00 mi12:18:012:16:206:499:26
6:57
-1:01
21M
21.00 mi12:25:212:23:406:507:20
7:20
+0:23
35K
21.75 mi12:30:322:28:516:515:11
6:56
-0:24
23M
23.00 mi12:41:132:39:326:5610:41
8:32
+1:36
24M
24.00 mi12:48:402:46:596:577:27
7:27
-1:05
40K
24.85 mi12:56:002:54:197:017:20
8:35
+1:08
25.2M
25.20 mi13:00:312:58:507:064:31
13:06
+4:31
Finish
26.22 mi13:08:033:06:227:077:32
7:24
-5:42

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

6:28 /mi

Average Pace

7:07 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:19:04

75% of race

Time at Slower Pace

47:18

25% of race

Average Pace: 7:06 /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 mi10:22:3320:526:4320:52
6:43
#3825
10K
6.21 mi10:42:4841:076:3720:15
6:31
#3292
15K
9.32 mi11:02:551:01:146:3420:07
6:28
#2973
20K
12.43 mi11:23:121:21:316:3420:17
6:32
#2800
Half
13.11 mi11:27:401:25:596:344:28
6:33
#2804
25K
15.53 mi11:43:491:42:086:3416:09
6:40
#2830
30K
18.64 mi12:08:352:06:546:4824:46
7:58
#4374
20M
20.00 mi12:18:012:16:206:499:26
6:57
#4296
21M
21.00 mi12:25:212:23:406:507:20
7:20
#4237
35K
21.75 mi12:30:322:28:516:515:11
6:56
#4256
23M
23.00 mi12:41:132:39:326:5610:41
8:32
#4829
24M
24.00 mi12:48:402:46:596:577:27
7:27
#4903
40K
24.85 mi12:56:002:54:197:017:20
8:35
#5133
25.2M
25.20 mi13:00:312:58:507:064:31
13:06
#5542
Finish
26.22 mi13:08:033:06:227:077:32
7:24
#5557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3825359635962504(Top 9%)2403(Top 16%)2403(Top 45%)
10K6.21 mi3.10 mi3292+5333121+4753121+4752916(Top 11%)2786(Top 18%)2786(Top 53%)
15K9.32 mi3.11 mi2973+3192836+2852836+2852504(Top 9%)2403(Top 16%)2403(Top 45%)
20K12.43 mi3.11 mi2800+1732676+1602676+1602462(Top 9%)2358(Top 16%)2358(Top 45%)
Half13.11 mi0.68 mi2804-42683-72683-73130(Top 12%)2995(Top 20%)2995(Top 57%)
25K15.53 mi2.42 mi2830-262706-232706-233085(Top 12%)2942(Top 19%)2942(Top 56%)
30K18.64 mi3.11 mi4374-15444091-13854091-138510638(Top 40%)8157(Top 54%)8157(Top 154%)
20M20.00 mi1.36 mi4296+784021+704021+703690(Top 14%)3442(Top 23%)3442(Top 65%)
21M21.00 mi1.00 mi4237+593967+543967+543809(Top 14%)3532(Top 23%)3532(Top 67%)
35K21.75 mi0.75 mi4256-193982-153982-154943(Top 19%)4449(Top 29%)4449(Top 84%)
23M23.00 mi1.25 mi4829-5734481-4994481-49913395(Top 50%)9083(Top 60%)9083(Top 172%)
24M24.00 mi1.00 mi4903-744532-514532-517338(Top 28%)5908(Top 39%)5908(Top 112%)
40K24.85 mi0.85 mi5133-2304713-1814713-18113767(Top 52%)9120(Top 60%)9120(Top 173%)
25.2M25.20 mi0.35 mi5542-4095045-3325045-33224061(Top 90%)13815(Top 91%)13815(Top 261%)
Finish26.22 mi1.02 mi5557-155043+25043+27704(Top 29%)5990(Top 39%)5990(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2504

Males

2403

M18-39

2403

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2916

Males

2786

M18-39

2786

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2504

Males

2403

M18-39

2403

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2462

Males

2358

M18-39

2358

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3130

Males

2995

M18-39

2995

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3085

Males

2942

M18-39

2942

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10638

Males

8157

M18-39

8157

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3690

Males

3442

M18-39

3442

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3809

Males

3532

M18-39

3532

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4943

Males

4449

M18-39

4449

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13395

Males

9083

M18-39

9083

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7338

Males

5908

M18-39

5908

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13767

Males

9120

M18-39

9120

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24061

Males

13815

M18-39

13815

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7704

Males

5990

M18-39

5990

Passing Analysis

Category:
Athletes Passed
1454
Passed By
3186
Net Change
-1732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3825
5K → 10K56734+533#3825#3292
10K → 15K3289+319#3292#2973
15K → 20K18512+173#2973#2800
20K → Half1216-4#2800#2804
Half → 25K4874-26#2804#2830
25K → 30K01544-1544#2830#4374
30K → 20M10527+78#4374#4296
20M → 21M9637+59#4296#4237
21M → 35K2847-19#4237#4256
35K → 23M6579-573#4256#4829
23M → 24M26100-74#4829#4903
24M → 40K6236-230#4903#5133
40K → 25.2M0409-409#5133#5542
25.2M → Finish4762-15#5542#5557
TOTALS14543186-1732
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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