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BOSTON MARATHON 2023

Jon Park

Bib: 2239•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:58
Rank: #914
Start → 5K
18:58 | 6:06/mi
10K· 6.21 mi
37:54
Rank: #972 (-58)
5K → 10K
18:56 | 6:06/mi
15K· 9.32 mi
57:25
Rank: #1104 (-132)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:17:27
Rank: #1247 (-143)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:21:50
Rank: #1292 (-45)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:37:54
Rank: #1497 (-205)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
1:59:59
Rank: #1903 (-406)
25K → 30K
22:05 | 7:06/mi
20M
2:10:00
Rank: #2140 (-237)
30K → 20M
10:01 | 7:22/mi
21M
2:17:49
Rank: #2308 (-168)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:23:18
Rank: #2426 (-118)
21M → 35K
5:29 | 7:20/mi
23M
2:32:44
Rank: #2592 (-166)
35K → 23M
9:26 | 7:32/mi
24M
2:40:09
Rank: #2796 (-204)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:46:39
Rank: #2952 (-156)
24M → 40K
6:30 | 7:36/mi
25.2M
2:49:29
Rank: #3021 (-69)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:57:15
Rank: #3262 (-241)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:50
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3918:586:0618:58
6:06
-
10K
6.21 mi10:38:3537:546:0618:56
6:06
0:00
15K
9.32 mi10:58:0657:256:1019:31
6:17
+0:11
20K
12.43 mi11:18:081:17:276:1420:02
6:27
+0:10
Half
13.11 mi11:22:311:21:506:154:23
6:25
-0:02
25K
15.53 mi11:38:351:37:546:1816:04
6:38
+0:13
30K
18.64 mi12:00:401:59:596:2622:05
7:06
+0:28
20M
20.00 mi12:10:412:10:006:3010:01
7:22
+0:16
21M
21.00 mi12:18:302:17:496:347:49
7:49
+0:27
35K
21.75 mi12:23:592:23:186:355:29
7:20
-0:29
23M
23.00 mi12:33:252:32:446:389:26
7:32
+0:12
24M
24.00 mi12:40:502:40:096:407:25
7:25
-0:07
40K
24.85 mi12:47:202:46:396:426:30
7:36
+0:11
25.2M
25.20 mi12:50:102:49:296:442:50
8:13
+0:37
Finish
26.22 mi12:57:562:57:156:467:46
7:37
-0:36

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

6:06 /mi

Average Pace

6:46 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:54

55% of race

Time at Steady Pace

1:08:42

39% of race

Time at Slower Pace

10:39

6% of race

Average Pace: 6:46 /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 mi10:19:3918:586:0618:58
6:06
#914
10K
6.21 mi10:38:3537:546:0618:56
6:06
#972
15K
9.32 mi10:58:0657:256:1019:31
6:17
#1104
20K
12.43 mi11:18:081:17:276:1420:02
6:27
#1247
Half
13.11 mi11:22:311:21:506:154:23
6:25
#1292
25K
15.53 mi11:38:351:37:546:1816:04
6:38
#1497
30K
18.64 mi12:00:401:59:596:2622:05
7:06
#1903
20M
20.00 mi12:10:412:10:006:3010:01
7:22
#2140
21M
21.00 mi12:18:302:17:496:347:49
7:49
#2308
35K
21.75 mi12:23:592:23:186:355:29
7:20
#2426
23M
23.00 mi12:33:252:32:446:389:26
7:32
#2592
24M
24.00 mi12:40:502:40:096:407:25
7:25
#2796
40K
24.85 mi12:47:202:46:396:426:30
7:36
#2952
25.2M
25.20 mi12:50:102:49:296:442:50
8:13
#3021
Finish
26.22 mi12:57:562:57:156:467:46
7:37
#3262
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9148608601580(Top 6%)1508(Top 10%)1508(Top 29%)
10K6.21 mi3.10 mi972-58918-58918-581051(Top 4%)999(Top 7%)999(Top 19%)
15K9.32 mi3.11 mi1104-1321047-1291047-1291580(Top 6%)1508(Top 10%)1508(Top 29%)
20K12.43 mi3.11 mi1247-1431187-1401187-1402037(Top 8%)1956(Top 13%)1956(Top 37%)
Half13.11 mi0.68 mi1292-451230-431230-432386(Top 9%)2291(Top 15%)2291(Top 43%)
25K15.53 mi2.42 mi1497-2051430-2001430-2002878(Top 11%)2749(Top 18%)2749(Top 52%)
30K18.64 mi3.11 mi1903-4061822-3921822-3924961(Top 19%)4560(Top 30%)4560(Top 86%)
20M20.00 mi1.36 mi2140-2372051-2292051-2296000(Top 23%)5285(Top 35%)5285(Top 100%)
21M21.00 mi1.00 mi2308-1682211-1602211-1606217(Top 23%)5346(Top 35%)5346(Top 101%)
35K21.75 mi0.75 mi2426-1182323-1122323-1127260(Top 27%)6033(Top 40%)6033(Top 114%)
23M23.00 mi1.25 mi2592-1662478-1552478-1556580(Top 25%)5547(Top 37%)5547(Top 105%)
24M24.00 mi1.00 mi2796-2042660-1822660-1827117(Top 27%)5767(Top 38%)5767(Top 109%)
40K24.85 mi0.85 mi2952-1562801-1412801-1417283(Top 27%)5782(Top 38%)5782(Top 109%)
25.2M25.20 mi0.35 mi3021-692865-642865-647666(Top 29%)5942(Top 39%)5942(Top 112%)
Finish26.22 mi1.02 mi3262-2413085-2203085-2209364(Top 35%)6933(Top 46%)6933(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1580

Males

1508

M18-39

1508

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1051

Males

999

M18-39

999

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1580

Males

1508

M18-39

1508

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2037

Males

1956

M18-39

1956

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2386

Males

2291

M18-39

2291

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2878

Males

2749

M18-39

2749

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4961

Males

4560

M18-39

4560

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6000

Males

5285

M18-39

5285

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6217

Males

5346

M18-39

5346

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7260

Males

6033

M18-39

6033

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6580

Males

5547

M18-39

5547

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7117

Males

5767

M18-39

5767

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7283

Males

5782

M18-39

5782

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7666

Males

5942

M18-39

5942

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9364

Males

6933

M18-39

6933

Passing Analysis

Category:
Athletes Passed
107
Passed By
2455
Net Change
-2348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#914
5K → 10K2684-58#914#972
10K → 15K4136-132#972#1104
15K → 20K9152-143#1104#1247
20K → Half045-45#1247#1292
Half → 25K5210-205#1292#1497
25K → 30K6412-406#1497#1903
30K → 20M5242-237#1903#2140
20M → 21M5173-168#2140#2308
21M → 35K8126-118#2308#2426
35K → 23M12178-166#2426#2592
23M → 24M8212-204#2592#2796
24M → 40K9165-156#2796#2952
40K → 25.2M473-69#2952#3021
25.2M → Finish6247-241#3021#3262
TOTALS1072455-2348
📊

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