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BOSTON MARATHON 2023

Jacob Strezinski

Bib: 3035•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #1748
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
38:58
Rank: #1457 (+291)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
58:20
Rank: #1416 (+41)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:53
Rank: #1370 (+46)
15K → 20K
19:33 | 6:18/mi
Half· 13.11 mi
1:22:07
Rank: #1360 (+10)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:22
Rank: #1339 (+21)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:57:09
Rank: #1280 (+59)
25K → 30K
19:47 | 6:22/mi
20M
2:05:58
Rank: #1282 (-2)
30K → 20M
8:49 | 6:29/mi
21M
2:12:48
Rank: #1278 (+4)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:17:32
Rank: #1284 (-6)
21M → 35K
4:44 | 6:20/mi
23M
2:25:45
Rank: #1285 (-1)
35K → 23M
8:13 | 6:34/mi
24M
2:32:12
Rank: #1292 (-7)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:37:51
Rank: #1296 (-4)
24M → 40K
5:39 | 6:36/mi
25.2M
2:40:17
Rank: #1296
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:46:54
Rank: #1312 (-16)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:07
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:24:47
Pace6:28 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0219:506:2319:50
6:23
-
10K
6.21 mi10:40:1038:586:1619:08
6:10
-0:13
15K
9.32 mi10:59:3258:206:1619:22
6:14
+0:04
20K
12.43 mi11:19:051:17:536:1619:33
6:18
+0:04
Half
13.11 mi11:23:191:22:076:164:14
6:12
-0:06
25K
15.53 mi11:38:341:37:226:1615:15
6:17
+0:05
30K
18.64 mi11:58:211:57:096:1719:47
6:22
+0:05
20M
20.00 mi12:07:102:05:586:188:49
6:29
+0:07
21M
21.00 mi12:14:002:12:486:196:50
6:50
+0:21
35K
21.75 mi12:18:442:17:326:194:44
6:20
-0:30
23M
23.00 mi12:26:572:25:456:208:13
6:34
+0:14
24M
24.00 mi12:33:242:32:126:216:27
6:27
-0:07
40K
24.85 mi12:39:032:37:516:215:39
6:36
+0:09
25.2M
25.20 mi12:41:292:40:176:222:26
7:03
+0:27
Finish
26.22 mi12:48:062:46:546:226:37
6:30
-0:33

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

6:10 /mi

Average Pace

6:22 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:38

94% of race

Time at Steady Pace

9:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:21:0219:506:2319:50
6:23
#1748
10K
6.21 mi10:40:1038:586:1619:08
6:10
#1457
15K
9.32 mi10:59:3258:206:1619:22
6:14
#1416
20K
12.43 mi11:19:051:17:536:1619:33
6:18
#1370
Half
13.11 mi11:23:191:22:076:164:14
6:12
#1360
25K
15.53 mi11:38:341:37:226:1615:15
6:17
#1339
30K
18.64 mi11:58:211:57:096:1719:47
6:22
#1280
20M
20.00 mi12:07:102:05:586:188:49
6:29
#1282
21M
21.00 mi12:14:002:12:486:196:50
6:50
#1278
35K
21.75 mi12:18:442:17:326:194:44
6:20
#1284
23M
23.00 mi12:26:572:25:456:208:13
6:34
#1285
24M
24.00 mi12:33:242:32:126:216:27
6:27
#1292
40K
24.85 mi12:39:032:37:516:215:39
6:36
#1296
25.2M
25.20 mi12:41:292:40:176:222:26
7:03
#1296
Finish
26.22 mi12:48:062:46:546:226:37
6:30
#1312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1748166616661363(Top 5%)1297(Top 9%)1297(Top 25%)
10K6.21 mi3.10 mi1457+2911389+2771389+2771203(Top 5%)1140(Top 8%)1140(Top 22%)
15K9.32 mi3.11 mi1416+411351+381351+381363(Top 5%)1297(Top 9%)1297(Top 25%)
20K12.43 mi3.11 mi1370+461304+471304+471350(Top 5%)1290(Top 9%)1290(Top 24%)
Half13.11 mi0.68 mi1360+101296+81296+81381(Top 5%)1321(Top 9%)1321(Top 25%)
25K15.53 mi2.42 mi1339+211278+181278+181298(Top 5%)1241(Top 8%)1241(Top 23%)
30K18.64 mi3.11 mi1280+591224+541224+541125(Top 4%)1072(Top 7%)1072(Top 20%)
20M20.00 mi1.36 mi1282-21225-11225-11394(Top 5%)1329(Top 9%)1329(Top 25%)
21M21.00 mi1.00 mi1278+41222+31222+31500(Top 6%)1429(Top 9%)1429(Top 27%)
35K21.75 mi0.75 mi1284-61225-31225-31649(Top 6%)1567(Top 10%)1567(Top 30%)
23M23.00 mi1.25 mi1285-11227-21227-21641(Top 6%)1559(Top 10%)1559(Top 29%)
24M24.00 mi1.00 mi1292-71232-51232-51875(Top 7%)1761(Top 12%)1761(Top 33%)
40K24.85 mi0.85 mi1296-41235-31235-31929(Top 7%)1811(Top 12%)1811(Top 34%)
25.2M25.20 mi0.35 mi1296123512351880(Top 7%)1763(Top 12%)1763(Top 33%)
Finish26.22 mi1.02 mi1312-161248-131248-132416(Top 9%)2224(Top 15%)2224(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1363

Males

1297

M18-39

1297

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1203

Males

1140

M18-39

1140

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1363

Males

1297

M18-39

1297

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1350

Males

1290

M18-39

1290

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1381

Males

1321

M18-39

1321

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1298

Males

1241

M18-39

1241

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1125

Males

1072

M18-39

1072

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1394

Males

1329

M18-39

1329

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1500

Males

1429

M18-39

1429

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1649

Males

1567

M18-39

1567

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1641

Males

1559

M18-39

1559

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1875

Males

1761

M18-39

1761

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1929

Males

1811

M18-39

1811

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1880

Males

1763

M18-39

1763

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2416

Males

2224

M18-39

2224

Passing Analysis

Category:
Athletes Passed
706
Passed By
270
Net Change
+436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1748
5K → 10K30514+291#1748#1457
10K → 15K6726+41#1457#1416
15K → 20K6418+46#1416#1370
20K → Half133+10#1370#1360
Half → 25K3817+21#1360#1339
25K → 30K7213+59#1339#1280
30K → 20M2224-2#1280#1282
20M → 21M2521+4#1282#1278
21M → 35K1622-6#1278#1284
35K → 23M2526-1#1284#1285
23M → 24M1724-7#1285#1292
24M → 40K1519-4#1292#1296
40K → 25.2M990#1296#1296
25.2M → Finish1834-16#1296#1312
TOTALS706270+436
📊

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