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BOSTON MARATHON 2023

Jan Erik Hedemark

Bib: 12778•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:39
Rank: #10639
Start → 5K
23:39 | 7:37/mi
10K· 6.21 mi
46:55
Rank: #10475 (+164)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:10:26
Rank: #10556 (-81)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:34:07
Rank: #10461 (+95)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:39:11
Rank: #10415 (+46)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:58:01
Rank: #10457 (-42)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:22:46
Rank: #10423 (+34)
25K → 30K
24:45 | 7:58/mi
20M
2:33:44
Rank: #10453 (-30)
30K → 20M
10:58 | 8:04/mi
21M
2:42:29
Rank: #10514 (-61)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:48:42
Rank: #10625 (-111)
21M → 35K
6:13 | 8:19/mi
23M
2:59:34
Rank: #10852 (-227)
35K → 23M
10:52 | 8:41/mi
24M
3:08:27
Rank: #11169 (-317)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:15:37
Rank: #11213 (-44)
24M → 40K
7:10 | 8:23/mi
25.2M
3:18:39
Rank: #11198 (+15)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:26:57
Rank: #11268 (-70)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:11
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:47:46
Pace8:13 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0523:397:3723:39
7:37
-
10K
6.21 mi11:14:2146:557:3323:16
7:29
-0:08
15K
9.32 mi11:37:521:10:267:3323:31
7:34
+0:05
20K
12.43 mi12:01:331:34:077:3423:41
7:37
+0:03
Half
13.11 mi12:06:371:39:117:345:04
7:26
-0:11
25K
15.53 mi12:25:271:58:017:3618:50
7:46
+0:20
30K
18.64 mi12:50:122:22:467:4024:45
7:58
+0:12
20M
20.00 mi13:01:102:33:447:4110:58
8:04
+0:06
21M
21.00 mi13:09:552:42:297:448:45
8:45
+0:41
35K
21.75 mi13:16:082:48:427:456:13
8:19
-0:26
23M
23.00 mi13:27:002:59:347:4810:52
8:41
+0:22
24M
24.00 mi13:35:533:08:277:518:53
8:53
+0:12
40K
24.85 mi13:43:033:15:377:527:10
8:23
-0:30
25.2M
25.20 mi13:46:053:18:397:533:02
8:48
+0:25
Finish
26.22 mi13:54:233:26:577:548:18
8:09
-0:39

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

7:26 /mi

Average Pace

7:54 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:02

78% of race

Time at Steady Pace

33:00

16% of race

Time at Slower Pace

11:55

6% of race

Average Pace: 7:54 /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 mi10:51:0523:397:3723:39
7:37
#10639
10K
6.21 mi11:14:2146:557:3323:16
7:29
#10475
15K
9.32 mi11:37:521:10:267:3323:31
7:34
#10556
20K
12.43 mi12:01:331:34:077:3423:41
7:37
#10461
Half
13.11 mi12:06:371:39:117:345:04
7:26
#10415
25K
15.53 mi12:25:271:58:017:3618:50
7:46
#10457
30K
18.64 mi12:50:122:22:467:4024:45
7:58
#10423
20M
20.00 mi13:01:102:33:447:4110:58
8:04
#10453
21M
21.00 mi13:09:552:42:297:448:45
8:45
#10514
35K
21.75 mi13:16:082:48:427:456:13
8:19
#10625
23M
23.00 mi13:27:002:59:347:4810:52
8:41
#10852
24M
24.00 mi13:35:533:08:277:518:53
8:53
#11169
40K
24.85 mi13:43:033:15:377:527:10
8:23
#11213
25.2M
25.20 mi13:46:053:18:397:533:02
8:48
#11198
Finish
26.22 mi13:54:233:26:577:548:18
8:09
#11268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi106398472847210748(Top 40%)8530(Top 56%)8530(Top 379%)
10K6.21 mi3.10 mi10475+1648404+688404+6810360(Top 39%)8366(Top 55%)8366(Top 371%)
15K9.32 mi3.11 mi10556-818449-458449-4510748(Top 40%)8530(Top 56%)8530(Top 379%)
20K12.43 mi3.11 mi10461+958397+528397+5210255(Top 39%)8216(Top 54%)8216(Top 365%)
Half13.11 mi0.68 mi10415+468365+328365+329615(Top 36%)7896(Top 52%)7896(Top 351%)
25K15.53 mi2.42 mi10457-428364+18364+110846(Top 41%)8426(Top 56%)8426(Top 374%)
30K18.64 mi3.11 mi10423+348298+668298+6610616(Top 40%)8151(Top 54%)8151(Top 362%)
20M20.00 mi1.36 mi10453-308291+78291+710786(Top 41%)8146(Top 54%)8146(Top 362%)
21M21.00 mi1.00 mi10514-618289+28289+211936(Top 45%)8553(Top 56%)8553(Top 380%)
35K21.75 mi0.75 mi10625-1118323-348323-3414104(Top 53%)9459(Top 62%)9459(Top 420%)
23M23.00 mi1.25 mi10852-2278413-908413-9014220(Top 53%)9458(Top 62%)9458(Top 420%)
24M24.00 mi1.00 mi11169-3178542-1298542-12916652(Top 63%)10457(Top 69%)10457(Top 464%)
40K24.85 mi0.85 mi11213-448535+78535+712562(Top 47%)8570(Top 56%)8570(Top 381%)
25.2M25.20 mi0.35 mi11198+158512+238512+2311250(Top 42%)7913(Top 52%)7913(Top 351%)
Finish26.22 mi1.02 mi11268-708527-158527-1513043(Top 49%)8788(Top 58%)8788(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10748

Males

8530

M45-49

8530

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10360

Males

8366

M45-49

8366

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10748

Males

8530

M45-49

8530

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10255

Males

8216

M45-49

8216

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9615

Males

7896

M45-49

7896

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10846

Males

8426

M45-49

8426

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10616

Males

8151

M45-49

8151

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10786

Males

8146

M45-49

8146

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11936

Males

8553

M45-49

8553

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14104

Males

9459

M45-49

9459

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14220

Males

9458

M45-49

9458

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16652

Males

10457

M45-49

10457

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12562

Males

8570

M45-49

8570

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11250

Males

7913

M45-49

7913

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13043

Males

8788

M45-49

8788

Passing Analysis

Category:
Athletes Passed
1437*
Passed By
2066
Net Change
-629
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10639
5K → 10K377*213+164#10639#10475
10K → 15K159240-81#10475#10556
15K → 20K199104+95#10556#10461
20K → Half5711+46#10461#10415
Half → 25K123165-42#10415#10457
25K → 30K186152+34#10457#10423
30K → 20M64*94-30#10423#10453
20M → 21M65126-61#10453#10514
21M → 35K24135-111#10514#10625
35K → 23M26253-227#10625#10852
23M → 24M20337-317#10852#11169
24M → 40K4892-44#11169#11213
40K → 25.2M3924+15#11213#11198
25.2M → Finish50120-70#11198#11268
TOTALS1437*2066-629

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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