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BOSTON MARATHON 2023

Jake Thorsen

Bib: 4221•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3656
Start → 5K
6:42/mi
20:49 split
10K· 6.21 mi
41:27
Rank: #3690 (-34)
5K → 10K
6:38/mi
20:38 split
15K· 9.32 mi
1:02:09
Rank: #3692 (-2)
10K → 15K
6:40/mi
20:42 split
20K· 12.43 mi
1:23:04
Rank: #3712 (-20)
15K → 20K
6:44/mi
20:55 split
Half· 13.11 mi
1:27:34
Rank: #3696 (+16)
20K → Half
6:36/mi
4:30 split
25K· 15.53 mi
1:43:47
Rank: #3602 (+94)
Half → 25K
6:41/mi
16:13 split
30K· 18.64 mi
2:05:04
Rank: #3513 (+89)
25K → 30K
6:51/mi
21:17 split
20M
2:14:15
Rank: #3388 (+125)
30K → 20M
6:45/mi
9:11 split
21M
2:21:18
Rank: #3283 (+105)
20M → 21M
7:03/mi
7:03 split
35K· 21.75 mi
2:26:09
Rank: #3231 (+52)
21M → 35K
6:29/mi
4:51 split
23M
2:34:39
Rank: #3152 (+79)
35K → 23M
6:47/mi
8:30 split
24M
2:41:17
Rank: #3111 (+41)
23M → 24M
6:38/mi
6:38 split
40K· 24.85 mi
2:46:55
Rank: #3013 (+98)
24M → 40K
6:35/mi
5:38 split
25.2M
2:49:18
Rank: #2957 (+56)
40K → 25.2M
6:55/mi
2:23 split
Finish· 26.22 mi
2:55:44
Rank: #2869 (+88)
25.2M → Finish
6:19/mi
6:26 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:34
Pace6:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:10
Pace6:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0020:496:4220:49
6:42
-
10K
6.21 mi10:43:3841:276:4020:38
6:38
-0:04
15K
9.32 mi11:04:201:02:096:4020:42
6:40
+0:02
20K
12.43 mi11:25:151:23:046:4120:55
6:44
+0:04
Half
13.11 mi11:29:451:27:346:414:30
6:36
-0:08
25K
15.53 mi11:45:581:43:476:4116:13
6:41
+0:05
30K
18.64 mi12:07:152:05:046:4321:17
6:51
+0:10
20M
20.00 mi12:16:262:14:156:439:11
6:45
-0:06
21M
21.00 mi12:23:292:21:186:447:03
7:03
+0:18
35K
21.75 mi12:28:202:26:096:434:51
6:29
-0:34
23M
23.00 mi12:36:502:34:396:438:30
6:47
+0:18
24M
24.00 mi12:43:282:41:176:436:38
6:38
-0:09
40K
24.85 mi12:49:062:46:556:435:38
6:35
-0:03
25.2M
25.20 mi12:51:292:49:186:432:23
6:55
+0:20
Finish
26.22 mi12:57:552:55:446:426:26
6:19
-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

6:19 /mi

Average Pace

6:42 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:41

96% of race

Time at Steady Pace

7:03

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:23:0020:496:4220:49
6:42
#3656
10K
6.21 mi10:43:3841:276:4020:38
6:38
#3690
15K
9.32 mi11:04:201:02:096:4020:42
6:40
#3692
20K
12.43 mi11:25:151:23:046:4120:55
6:44
#3712
Half
13.11 mi11:29:451:27:346:414:30
6:36
#3696
25K
15.53 mi11:45:581:43:476:4116:13
6:41
#3602
30K
18.64 mi12:07:152:05:046:4321:17
6:51
#3513
20M
20.00 mi12:16:262:14:156:439:11
6:45
#3388
21M
21.00 mi12:23:292:21:186:447:03
7:03
#3283
35K
21.75 mi12:28:202:26:096:434:51
6:29
#3231
23M
23.00 mi12:36:502:34:396:438:30
6:47
#3152
24M
24.00 mi12:43:282:41:176:436:38
6:38
#3111
40K
24.85 mi12:49:062:46:556:435:38
6:35
#3013
25.2M
25.20 mi12:51:292:49:186:432:23
6:55
#2957
Finish
26.22 mi12:57:552:55:446:426:26
6:19
#2869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3656344034403774(Top 14%)3553(Top 23%)3553(Top 67%)
10K6.21 mi3.10 mi3690-343480-403480-403794(Top 14%)3578(Top 24%)3578(Top 68%)
15K9.32 mi3.11 mi3692-23486-63486-63774(Top 14%)3553(Top 23%)3553(Top 67%)
20K12.43 mi3.11 mi3712-203511-253511-253798(Top 14%)3580(Top 24%)3580(Top 68%)
Half13.11 mi0.68 mi3696+163495+163495+163352(Top 13%)3183(Top 21%)3183(Top 60%)
25K15.53 mi2.42 mi3602+943408+873408+873269(Top 12%)3109(Top 20%)3109(Top 59%)
30K18.64 mi3.11 mi3513+893326+823326+823310(Top 12%)3118(Top 21%)3118(Top 59%)
20M20.00 mi1.36 mi3388+1253209+1173209+1172571(Top 10%)2438(Top 16%)2438(Top 46%)
21M21.00 mi1.00 mi3283+1053110+993110+992391(Top 9%)2260(Top 15%)2260(Top 43%)
35K21.75 mi0.75 mi3231+523059+513059+512340(Top 9%)2220(Top 15%)2220(Top 42%)
23M23.00 mi1.25 mi3152+792990+692990+692593(Top 10%)2434(Top 16%)2434(Top 46%)
24M24.00 mi1.00 mi3111+412949+412949+412744(Top 10%)2553(Top 17%)2553(Top 48%)
40K24.85 mi0.85 mi3013+982856+932856+931885(Top 7%)1776(Top 12%)1776(Top 34%)
25.2M25.20 mi0.35 mi2957+562803+532803+531504(Top 6%)1421(Top 9%)1421(Top 27%)
Finish26.22 mi1.02 mi2869+882719+842719+841684(Top 6%)1584(Top 10%)1584(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3774

Males

3553

M18-39

3553

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3794

Males

3578

M18-39

3578

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3774

Males

3553

M18-39

3553

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3798

Males

3580

M18-39

3580

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3352

Males

3183

M18-39

3183

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3269

Males

3109

M18-39

3109

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3310

Males

3118

M18-39

3118

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2571

Males

2438

M18-39

2438

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2391

Males

2260

M18-39

2260

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2340

Males

2220

M18-39

2220

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2593

Males

2434

M18-39

2434

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2744

Males

2553

M18-39

2553

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1885

Males

1776

M18-39

1776

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1504

Males

1421

M18-39

1421

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1684

Males

1584

M18-39

1584

Passing Analysis

Category:
Athletes Passed
1413
Passed By
626
Net Change
+787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3656
5K → 10K190224-34#3656#3690
10K → 15K113115-2#3690#3692
15K → 20K90110-20#3692#3712
20K → Half248+16#3712#3696
Half → 25K12632+94#3696#3602
25K → 30K14859+89#3602#3513
30K → 20M1338+125#3513#3388
20M → 21M11510+105#3388#3283
21M → 35K575+52#3283#3231
35K → 23M9516+79#3231#3152
23M → 24M6322+41#3152#3111
24M → 40K1046+98#3111#3013
40K → 25.2M604+56#3013#2957
25.2M → Finish957+88#2957#2869
TOTALS1413626+787
📊

Passing Visuals

Category:
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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